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Fusion Digital Power Designer User`s Guide

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1. Design 1209240 Address 91 Rail 3 ch lcooz40 Address 91 Rail 44 Auto Calculate selecting a new table bank selecting a new output rail UCD92XX only e Switches compensator inputs e Switches plant inputs and sets Fs and Vout based on device values for the new rail e But does not affect plant parameters other than lout these are global to the output rail or e Switches compensator inputs to the bank for device in the case of a UCD91XX this rail e Recalculates the design e Recalculates the design e Changes the coefficients affected by the e Changes the coefficients affected by the hardware buttons on the left side of the form hardware buttons on the left side of the form Texas Instruments Page 36 Fusion Digital Power Designer User s Guide For Version 1 3 23 The following diagram shows the hierarchical nature of saved designs using the UCD9240 as an example CLA Bank 0x0 CLA Bank 0x1 CLA Bank 0x2 Compensator Fz1 Fz2 etc Plant lout Figure 16 Design Preferences Hierarchy UCD9240 Although lout is a plant parameter each CLA design can have a unique value for lout This simplifies design review by allowing the design to address various load ranges And as was described in Section 8 3 plant switching frequency Fs and output voltage Vout are not stored in your design preferences at all These are always derived from current hardware values 8 5 Design Input 8 5 1 Au
2. C e Fan speed will only give a reading if a fan is installed and configured Switching Frequency 500 khz ga en through the Advanced Configuration screen See FAN_CONFIG_1_2 Phase 1 Iont 0 00 4 Phase 2 Tout 0 00 4 Fan Speed o RPM Status Registers This area displays a summary of status bits set in the various PMBus status registers Warning conditions are colored orange while fault conditions are colored red Vout STATUS_VOUT Vin STATUS_VIN Temp STATUS_TEMPERATURE lout STATUS_IOUT Power Good STATUS_WORD hi byte Comm STATUS_CML Fans STATUS_FANS_1_2 Logged Faults LOGGED_FAULT MFR 26 As is the case with most aspects of the GUI status registers shown can vary with the device For example an in development part may not show logged faults Logged faults are stored to non volatile memory and will not be changed by a system reset You clear these faults by clicking the Clear Logged Faults button which writes to LOGGED_FAULT behind the scenes All other faults are standard PMBus faults and are only stored in RAM These are cleared by a reset or when you click the Clear Faults button Clearing faults issues the PMBus CLEAR_FAULTS command Texas Instruments Page 15 Fusion Digital Power Designer User s Guide For Version 1 3 23 Control The PC acts as a PMBus master via the USB serial adapter You can command the CONTROL signal from the master to be on or off using this radio button Whether this will have
3. output voltage to the upper or lower margin voltages The unit stays in the commanded operating mode until a subsequent Fusion Digital Power Designer v1 3 9 2007 06 20 UCD9240 Firmware v2 5 0 816 2007 06 13 USB Adapter v1 0 5 Nout Max 3 634 Y v 1 150 Hy 1 100 H y DA Limiter gt Wout 0 261 Y 1 050 Y y 0 000 KH y Yout Scale En Loop SE 0 000 FJ y 09 22 47 Wrote YOUT_MARGIN_LOW 1 050 Y 0x10CC to RAM 09 22 47 Wrote YOUT_MARGIN_HIGH 1 150 Y 0x1266 to RAM 09 22 47 Wrote VOUT_COMMAND 1 100 Y 0x1199 to RAM 09 22 56 Wrote OPERATION Unit On Margin None 0x80 to RAM d Texas INSTRUMENTS fusion digital power Figure 5 Configure Task UCD9240 Texas Instruments Page 19 Fusion Digital Power Designer User s Guide For Version 1 3 23 Configure Control This area controls writes to the device In most cases changes you make will not be written to hardware until you click the Write to Hardware button As shown above the button is disabled because there have been no changes to any parameters Once a change is made the Write to Hardware and Discard Changes buttons will be enabled This area manages writes to the device for all parameter editors on all tabs in the top of the form So if you make an edit in the Basic Configuration tab and then change to the Advanced Configuration tab clicking Write to Hardware button will write changes made in both tabs Disc
4. s header The available categories are e Calibration e Configuration e Limits e Manufacturer Info e On Off Configuration e Status Within a category parameters are sorted by command name Alternatively you can turn off category grouping using the checkbox shown in 6 This is especially useful when you want to modify a few parameters and know their names or command codes If you are reviewing parameters against the official PMBus specification or a Texas Instruments PMBus command reference you may find it useful to sort the grid by command code using the sort radio button Certain devices may have additional options shown in the left hard control area 0 Devices like the UCD92XX that support multiple output rails will have the checkbox Show Paged Commands Only This will filter the grid and only show those parameters that have unique values for each output rail via the PMBus PAGE command described briefly in Section 2 3 The advanced configuration form gives you access to every parameter the device supports with the following exceptions e PID coefficient related parameters are not displayed There is a stand alone coefficient editor in a separate tab e Security related parameters are not displayed There is a custom Security management task when a device supports TI configuration security e The UCD92XX PHASE_INFO parameter is not displayed This is edited through a custom phase rail configuration tab e PHAS
5. Crossover 155 13 kHz Magnitude Loop Gain dB MA A 0 oO o 86 6 1 000 10 000 Frequency Hz 100 000 Angle Degrees 1 000 10 000 Frequency Hz 100 000 Bode Plot Bode Data Il Schematic Texas Instruments When the design is recalculated the Bode Plot and Bode Data tabs will be updated Phase Margin and Gain Margin are calculated based on the overall loop response of the system If there is no crossover point gain plot crossing 0 dB line the Phase Margin will be listed as unstable If the phase plot does not cross the 180 line the Gain Margin will be listed as Infinite You can choose to plot only the plant response only the compensator response or overall loop response by using the radio buttons on the left side of the design form 0 dB and 180 crossovers are marked on the Bode plot Poles and zeros of the compensator are shown when the loop or the compensator response is selected Section 8 11 1 reviews the components of the plant and compensator gains for the UCD91XX and Section 8 12 1 for the UCD92XX Page 41 Fusion Digital Power Designer User s Guide 8 8 Bode Data Export Raw Gain Data Gplant_Imag Gplant_Mag Gplant_Fh 0 006 19 670 0 007 19 60 0 007 19 60 0 007 19 60 0 008 19 670 0 008 19 670 0 009 19 670 0 009 19 60 0 009 19 60 0 010 19 60 0 010 19 60 0 011 19 670 17 959 W627 0 011 19 670 18 656 9 620 0 012 19 670 T D
6. T sample tig EADC_SAMPLE_TRIGGER Trog 80ns Gdelay2 s Phase shift due to on time pulse width and the phase shift between multiple power stages G s e Tram Tonase T 8 Vo 8 VM T duty Vin 8 es 2 N s phases delay 2 Texas Instruments Page 50 Fusion Digital Power Designer User s Guide For Version 1 3 23 Gdiv Transfer function for the VOUT sense divider and its capacitive filter network G Leg V conse R R Cs T R Tv RR C C s R R Keadc Gain of the 6 bit Error ADC It has a value of 125 LSBs V The next effect is that during regulation mode the resolution of the error ADC is 1 0 mV Kpwm DPWM modulator gain This accounts for the bit resolution of the DPWM output K m 2 seconds LSB Kafe Analog front end amplifier gain This is user adjustable in the design tool and stored on a per rail per bank basis Knonlinear Gain for a near zero error signal through the nonlinear gain block between the EADC and control law accelerator CLA To ensure stability for the system the gain that is used when calculating loop response is the gain that would be selected when the error voltage value is greater than or equal to zero For example gain 4 6 limit 3 12 gain 3 5 5 limit 2 8 gain 2 4 25 limit 1 3 gain 1 4 0 lt nominal gain is 4 0 limit 0 5 gain 0 4 5 8 12 2 CLA Gains Review Form Example e The coefficients are read only in this view An Fusion Digi
7. The GUI does not need to read the current values from the device in this case This mode starts quickly but takes longer to run because every single parameter is written even if the imported parameter does not differ from the target device parameter There is normally no need to use mode 2 Texas Instruments Page 56 Fusion Digital Power Designer User s Guide For Version 1 3 23 In both modes on the next page you can review the parameters which will be written to the device In the following example option 2 was selected above An Fusion Digital Power Designer Project Open Wizard Review Parameters to Import The Following table summarizes any differences between the parameters in your project file and the values currently in memory on the device By default only modified parameters will be written out You can chose however to skip certain parameters by unchecking it s checkbox When ready click the Write button to write checked parameters to the device Import Parameter A Updated y Device Yalue Device Hex New Yalue New Hex e LOGGED_FAULT MFR 26 Yes O0x000000 O0x000000 0x080000 0x080000 pe YOUT_COMMAND Yes 1 000 Y 0x0800 1 250 Y 0x0400 zi WOUT_MARGIN_HIGH Yes 1 120 Y Ox08F5 1 400 Y 0x0B33 ze YOUT_MARGIN_LOW Yes 0 880 Y Ox0704 1 100 Y Ox08CC zi WOUT_OW_FAULT_LIMIT Yes 1 300 Y 0x0466 1 625 Y Ox0D00 zi YOUT_OY_WARN_LIMIT Yes 1 200 Y 0x0999 1 500 Y Ox0CO0 zi YOUT_UY_FAULT_LIMIT Yes 0 800 Y Ox0666 0 975 Y 0x0700 pe
8. Updated y Device Value Device Hex New Value New Hex l LOGGED_FAULT MFR 26 Yes O0x000000 Ox000000 0x080000 0x080000 e YOUT_COMMAND Yes 1 000 Y 0x0800 1 250 Y 0x0400 pe WOUT_MARGIN_HIGH Yes 1 120 Y Ox08F5 1 400 Y 0x0B33 ze YOUT_MARGIN_LOW Yes 0 880 Y Ox0704 1 100 Y Ox08CC zi WOUT_OW_FAULT_LIMIT Yes 1 300 Y 0x0466 1 625 Y Ox0D00 zi YOUT_OY_WARN_LIMIT Yes 1 200 Y 0x0999 1 500 Y Ox0CO0 zi YOUT_UY_FAULT_LIMIT Yes 0 800 Y Ox0666 0 975 Y 0x0700 pe YOUT_UW WARN_LIMIT Yes 0 850 Y Ox06CC 1 000 Y 0x0800 ALMOST_ZERO_MAX MFR 15 0 300 Y 0x0266 0 300 Y 0x0266 CLF_EVENTS MFR 01 No 50 0x0032 50 0x0032 COEFFICIENT_TABLE_1 No coefficients block data coefficients block data COEFFICIENT_TABLE_2 No coefficients block data coefficients block data lll 19 Show All Parameters Show Updated Parameters Only Unselect All Select All lt Prev Write Checked Cancel Figure 22 Project Import Review Parameters Form LOGGED_FAULT Unchecked Note the Unselect All and Select All buttons These quickly change the checked status of all parameters And you can always use the Prev button to go back and repeat a step Texas Instruments Page 57 Fusion Digital Power Designer User s Guide For Version 1 3 23 Once you are ready to write the checked parameters to hardware click the Write Checked button The status of each write will be shown in real time as they occur An Fusion Digital Power Designer Project Open Wizard W
9. 0 000 0 000 0 000 0 000 2 100 0 000 0 000 0 000 0 000 0 000 5 400 8 100 10 800 13 500 16 200 18 900 21 600 e Ai dn k d der N wD BUD d o CHERCHE EEN a a can only directly edit coefficients above when near Table You can only directly edit coefficients above when hecked cc 2 a 7 Monitor 732 bi 1 064 E ba Y 7 Monitor COEFFICIENT_TABLE_2 Transaction Log Log 11 13 28 Wrote CLA bank 0x00 Fixed Scaler 0 B01 289 A Coefficient table 2 D B11 3586 B21 225 411 2048 421 0 412 0 B12 0 E Float B01 0 1410 B11 0 2490 B21 0 1100 411 1 0000 421 0 0000 412 0 0000 612 0 0000 Security J Design Design 11 13 33 Wrote CLA ba nk Ox 01 Fixed Scaler 3 B01 850 a Fusion Digital Power Designer v1 3 14 2007 07 01 UCD9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 J Texas INSTRUMENTS fusion digital power Fusion Digital Power Designer v1 3 14 2007 07 01 UCD9240 Firmware v2 5 0 816 2007 06 13 USB Adapter v1 0 5 Texas INSTRUMENTS fusion digital power You could also use the Design task to write coefficients to hardware and later use the CLA Editor to tweak the coefficients Going the other way from hardware to design is also possible You can reload your compensator inputs based on the hardware coef
10. 2 750 Y Ox2co0 3 250 Y 0x3400 ellla 19 e Show All Parameters Show Updated Parameters Only Unselect Al Select Al lt Prev Wrte checked cancel Figure 24 Project Import Review Parameters Form UCD9240 This example also shows how you can move your cursor over a cell to view the contents of a clipped cell The wizard form can also be resized 9 3 1 Configuration Import Warnings The wizard reviews your project file for inconsistencies The file is checked against the expected PMBus configuration for the device and firmware version you are connected to If any inconsistencies are found you will see a warning page similar to the following La Fusion Digital Power Designer Project Open Wizard Review Project File Warnings Please review the following warnings and or errors regarding your project file You can still import the remaining parameters from your project file SYNC_IN_OUT MFR 17 0xE1 parameter is supported by the device but not Found in your project file TRACKING_ENABLE MFR 22 0xE6 parameter is supported by the device but not found in your project file TRACKING_SCALE_MONITOR MFR 23 0xE7 parameter is supported by the device but not found in your project File PAGE_ISOLATED MFR 06 0xD6 Rail 1 parameter is supported by the device but not found in your project file PAGE_ISOLATED MFR 06 0xD6 Rail 2 parameter is supported by the device but not Found in your project file PAGE_ISOLATED MFR
11. AG VI 17 6 Contigua E 19 6 1 Comguraton RE 19 6 2 General Editing Concluida dorada 21 6 3 EC ONS E 22 Eescher 23 Eeer gt 110 PA Eege 23 SE Enumeration EAO es sr o 24 63A Custom GIONS E 24 6 4 SONS FON aaa a 25 Texas Instruments Page ii Fusion Digital Power Designer User s Guide For Version 1 3 23 Oe Ee eil te O 25 042 o 26 643 Advanced CONO EE 26 F GOntiQUra ion SEC UNY ccc ects iia nes 29 7 1 Configuration Securty OVETVIEW issnin e 29 7 2 UGC galas Beie ever e 0 EE 30 7 3 TUNG OFor DIS INS laa 32 7 4 Automatic Login Disable E 32 7 5 Secu COMMMAN EE 33 7 6 Se CUNY IS SEENEN 33 1 1 Sec nt IN OMNE MOJO estalla lite leciaci s 33 9 DOS UE 34 8 1 Design amp Hardware Uv rview non non nor morron nro nrnnnnr nor non nornrn nora ninnnas 34 8 2 Design User Interface OVNI cnica iaa 34 8 3 DEN lle lo o e leal a lb 35 8 4 How DESIGMS Are ME 36 8 9 Design NDUT EE 37 60 1 Auto Calculatio ol De No isa aii a wat ado dido 37 A A A ee ee eer ee 38 Eet EECHER ege a ne ce ne eee 40 8 6 HUD UIE FOU cesses tating tad 41 8 Beie EE 41 8 8 Bode DAI EXD GE 42 8 9 Contollid the Desin TaS EE 42 ZS SE A e O A AA 44 GTE MEET ee 45 8 11 1 UCD91XX Loop Response Components s s sensssesenessnerersrisrsrsrrsrurerrsrururinrnranrnrurananrsrerinrernrrnrererrerns 45 9 112 Coeficient Table REVIEW Fom le 47 eier ee EE 48 0 12 WCDOZKX ee Ella ranita ion 50 8 12 1 UCD92XX Loop Response Components s ssnessesens
12. Gplant_Real Frequency 10 000 10 500 11 025 11 576 12 155 12 763 13 401 14 071 14 775 15 513 16 259 17 103 Woe Woe Woe Woe W627 W627 W027 J627 Abe Abe aber aber Gain Columns Gains to Sonar Real Gplant Gdiw Imaginary Gclal Keadc Magnitude Total Compensator Phase Total Plant own Loop Select All Select Mone f Export fE Print Bode Hot Bode Data Schematic 8 9 Controlling the Design Task UCD92XX Design UCD91Xx Design For Version 1 3 23 You can export the raw data used to create the Bode ol plots by clicking on the Bode Data tab By default every 0 038 Z gain component of the overall loop response will be 0 040 included in the export You can narrow your export 0 042 using the checkboxes at the bottom of the form 0 044 EE e Gain Columns A gain is a complex number You SS can select whether to export the real part of the RS gain the imaginary part the magnitude or the Se phase angle in degrees Ze e Gains to Show Export You can select whether to 0 065 include individual gain components such as the 0 068 divider gain Gdiv in the export or simply export 0 072 what is plotted total plant total compensator or overall loop e Once you have decided what to export click the Export button To Test CSW e You can export to either an Excel spreadsheet or a simple text file in comma separated value CSV format Design task options an
13. OutputOpenLoop AA Z R s L R DCR D Roson 1D Breu V D OUT Vin This is the open loop output impedance When feedback is applied to the power supply the output impedance is further improved In fact a useful design criteria for defining the feedback compensation coefficients is to try to minimize the output impedance over all frequencies Zour y ES Shee KIT Figure 2 Output impedance model The calculation of closed loop output impedance follows Z 7 __ OutputOpenLoop OutputClosedLoop q 6 OpenLoop GopenLoop IS the product of the plant gain and the compensator gain so the effect of increasing the compensator gain has the effect of decreasing the output impedance which should improve the performance of the power supply Texas Instruments Page 68 Fusion Digital Power Designer User s Guide For Version 1 3 23 Texas Instruments Page 69 Fusion Digital Power Designer User s Guide For Version 1 3 23 14 REFERENCES RELATED MATERIAL AND LINKS 1 USB Interface Adapter EVM HPA172 2 Configuration Security for the UCD91XX Digital Controllers Texas Instruments 3 Designing the Digital Compensator For UCD91xx based Digital Power Supply Texas Instruments Available on the UCD9112 product page at a later date 4 UCD9240 Digital Point of Load System Controller Device and EVM Description Texas Instruments Available from your TI representative 5 See http en wikipedia org wiki XML for an over
14. Vout Output voltage synchronized to VOUT_COMMAND V Fs Switching frequency synchronized to kHz FREQUENCY_SWITCH lout Output current used to define the plant response A L Output filter inductor uH DCR DC series resistance of the inductor L mQ Rds on hi Upper MOSFET drain to source on resistance mQ Rds on lo Lower MOSFET drain to source on resistance m R1 Vout sense filter top voltage divider resistor kQ R2 Vout sense filter bottom voltage divider resistor kQ Cp Vout sense filter capacitor pF Cz Vout sense filter capacitor pF Capacitor Legs C Output filter capacitance uF ESR Equivalent series resistance of the capacitor C mO ESL Equivalent series inductance of the capacitor C nH This tab next to the voltage feedback tab at the bottom of the form is used to input the parameters for the current sense circuit The schematic represents the lossless current sense technique used by the UCD7230 gate driver This form will calculate either values of R or C so that the time constant of the R C circuit matches that of the L DCR circuit At this value the voltage across C will match the voltage across DCR and the inductor current can be determined DCR and L are synchronized to their values on the Plant Compensator tab any change you make here will be reflected there and vice versa You can select whether to solve for C or R by clicking the radio button Page 39 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 5 3 Compens
15. any affect depends on the setting of the ON_OFF_CONFIG parameter For example the default settings of the UCD9112 EVM require OPERATION to be ON and CONTROL ON for the device to output power Because the PC is a master this radio button will never be set based on any device reading If a fault occurs and power conversion stops you will normally need to clear the fault set CONTROL to OFF and then back to ON to restart conversion O Operation This widget provides quick access to bits 7 6 of the OPERATION command Depending on ON_OFF_CONFIG settings it can be used to control the output OPERATION is not polled the value shown is the last value you wrote to the device An exception is if the device is reset the GUI will refresh the value of OPERATION since it may have reverted to a different default state O Margin This widget provides quick access to bits 5 4 of the OPERATION command This command allows the user to set the output voltage to one of VOUT_MARGIN_HIGH VOUT_MARGIN_LOW or VOUT_COMMAND The same rules regarding polling reset that apply to Operation apply here Limit Editors You can modify warning and fault limits for a particular variable through these widgets Just type in or use the E buttons to change a value Click the Write button to commit your change to hardware Once you have written your new limit value s to the device the plot should be updated The following table summarizes limits specified in the PMBus v1 1 stan
16. bitmask Selecting which commands to protect is as simple as clicking a checkbox When a device supports security a Security task is shown in the GUI For example on the UCD9112 Y Fasian Digital Power Designer UCD9112 Tenas a en ee Fusion Digital Power Designer UCD9112 Texas Instruments l File Device Debug a ci Security Security ProtectionBitmas S Protection ESA Security Is Off Protect Command l A Code Description E Category Operations COEFFICIENT_WRITE_TO_FLASH MFR 06 OxD6 Save CLA Coefficient tables in RAM to data flash Note that before issuing this command the use RESTORE_DEFAULT_ALL Ox12 Instructs the PMBus device to copy the entire contents of the non volatile Default Store memory i SOFT_RESET MFR 11 OxDB Resets the device STORE_DEFAULT_ALL 0x11 Instructs the PMBus device to copy the entire contents of the Operating Memory to the matching Turn Op Security H Category Parameters amp e ALMOST_ZERO_MAX MFR 15 OxDF Output voltage below this setting is treated as zero by the firmware When start up if there is o l CLF_EVENTS MFR 01 OxD1 Total number of current limit Flags For both phases if multi phase that if detected will cause COEFFICIENT_ROW MFR 05 OxDS 4 CLA coefficient row three coefficients i ENABLE_PHASE MFR 14 OxDE Selects the phase to enable FAN_COMMAND_1 0x3B Used to adjust the operation of Fan 1 contained in the PMBus devic
17. down widget will show a representation of the value in the editor This varies depending on the parameter Some examples VOUT_OV_FAULT_RESPONSE etc 0x81 y The hex encoded value is displayed REMOTE_TEMP_CAL MFR 18 333 476 ER Ox014D062 This command sets temperature offset and scale in a single 000 Offset saae ec parameter The pulldown summarizes the current setting 0x00 Scale e P ES UU 6 4 Configure Forms While configure forms vary by device certain forms or variations of forms are always present e Voltage configuration edit output voltage related parameters e Basic configuration edit parameters most likely to need tweaking for your application e Advanced configuration view and optionally edit most parameters supported by the device e PID coefficient editor varies by device family but allows direct editing of CLA coefficients 6 4 1 Voltage Configuration This form graphically represents how output voltage related parameters are applied to determine the output voltage Move your cursor over an editor to view it s official PMBus command name This form may vary slightly depending on the device Pre production UCD9240 is shown below voltage Configuration Basic Configuration Advanced Configuration Phase Rail Configuration CLA Banks Operation Dn C Immediate OFF No Sequencing O Soft OFF With Sequencing Margin None Low O High Yout Max 3 634 Hv Margin High 1
18. have more user friendly names assigned to them For example a TI manufacturer specific command to used control voltage tracking is named TRACKING_ENABLE instead of MFR_SPECIFIC_19 Some commands may read or write different values depending on the converter phase you are interested in For example on a two phase device like the UCD9112 READ_IOUT can be used to read the output current on phase 1 phase 2 or both phases total current Under the hood of the GUI the PMBus PHASE command is used to tell the device which phase READ_IOUT should return This happens seamlessly The GUI identifies parameters like this by appending a label to the end of each phased command For example in the case of READ_IOUT on the UCD9112 you might see READ_IOUT_1 READ_IOUT_2 and READ_IOUT_ALL lf a device supports multiple output rails such as UCD92XX devices most commands will operate on a specific output rail For example READ_VOUT returns the output voltage for a specific rail Behind the scenes the GUI uses the PMBus PAGE command to set which output rail a paged command operates on Similar to PHASE you don t have to set PAGE directly The GUI will handle writing to it depending on what rail you are managing Refer to your device s application notes to determine which commands are paged and which are not some example commands are shown in the following table Command Code Description ON_OFF_CONFIG 0x02 A read write parameter Configures the
19. only part of the system that is enforcing security The device will write protect commands specified in the security bitmask when security is on and will NACK attempts to write to the parameter or in the case of a send byte execute the command 7 3 Turning Off or Disabling Security When security has been activated and you would like to edit a locked parameter or edit the security bitmask you have two choices e Temporarily disable security This unlocks the device until it is reset or power cycled This is useful if you are concerned about remembering to reactivate security e Turn off security This unlocks the device until you re active security per the procedure described in Section 7 2 In either case you must know the password for the device There is no backdoor password for device be sure to write it down somewhere secure Texas Instruments can not recover your password or unlock your device if you forget your password If you enter the wrong password for either of the above the device will enter the password locked out state You will not be able to make another attempt at temporarily disabling security or turning security off until you reset the device There is no restriction on the number of times you can attempt to enter a password outside of the reset requirement between each attempt So you need not worry about permanently locking your device due to some bad attempt count 7 4 Automatic Login Disable Form If secu
20. present in the design m Capacitor Legs C uF 47 000 470 000 22 000 O Real Zeros Only O Complex or Real Zeros PID Ko E Ko 9 750 1 E Ek Q Ki 1 500 6 O Pant O Compensator Loop Note Non Linear Coefficient Row Overrides Entered EW EJ imaginary Coda kead Kpowm 2 Magnitude 2 Total Compensator V Loop apat Le E Total Plant i EOS 4 Fusion Digtal Power Designer v1 3 13 2007 06 28 Ieper 12 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 P Texas Instruments fusion digital power Fusion Digtal Power Designer v1 3 13 2007 06 28 uco9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 YY Texas Instruments fusion digital power Fusion Digital Power Designer User s Guide For Version 1 3 23 IMPORTANT NOTICE Texas Instruments and its subsidiaries Tl reserve the right to make changes to their products or to discontinue any product or service without notice and advise customers to obtain the latest version of relevant information to verify before placing orders that information being relied on is current and complete All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment including those pertaining to warranty patent infringement and limitation of liability Tl warrants performance of its products to the specifications applicable at the time of sale in accordance
21. you are working on in the Design task do not necessarily match the coefficients in hardware While there may be a correlation if you have written the design generated coefficients to hardware this is a loose association You can edit coefficients directly in the Configure task bypassing the design process entirely Or you can edit your design and chose not to write out the generated coefficients to hardware Thus the project file contains separate entries for design inputs for every output rail and every CLA table bank on an output rail and separate entries for a device s actual CLA tables banks on each output rail 9 2 Saving Project Files The File menu is used to save a project file to your hard drive using the Save Project As item 44 Fusion Digital Power Desi Device Debug Import Project a E Mail Project Preferences Pe About A Exit l This will bring up a standard Windows save dialog box By default the device s part number will be part of the filename with the extension xml For example UCD9112 Project xml When saving everything is saved all PMBus configurable parameters and your current design input parameters from the Design task If you have never visited the Configure task in this session the GUI will first need to read all of the device s parameters Texas Instruments Page 93 Fusion Digital Power Designer User s Guide For Version 1 3 23 Remember that saving a project fi
22. you can launch the installer from within WinZip or similar ZIP utility Figure 1 GUI Download on UCD92XX Product Page Once you have started the installer you will normally want to accept all of the installation defaults You may want to review the following install form however Texas Instruments Page 6 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 Setup Texas Instruments Fusion Digital Power Designer Select Additional Tasks Which additional tasks should be performed Select the additional tasks you would like Setup to perform while installing Texas Instruments Fusion Digital Power Designer then click Next Additional icons Create a Quick Launch icon The previous form in the installer controls whether GUI shortcuts are added to the desktop and quick launch area The quick launch area is the area next to the Start menu which contains shortcuts to commonly used applications Quick Launch Shortcut 3 4 Starting the GUI When you launch the GUI it attempts to find a supported device attached to the PMBus The following sequence is followed 1 The GUI looks for an attached USB serial bus adapter 2 The GUI sends SMBus commands to the broadcast address 11 telling any devices that are in ROM mode to execute their program go to flash mode While this is not necessary for production devices such as the UCD9112 it may be necessary for in development products that are set to boot to R
23. 06 0xD6 Rail 43 parameter is supported by the device but not Found in your project file PAGE_ISOLATED MFR 06 0xD6 Rail 4 parameter is supported by the device but not found in your project file Copy To Clipboard Cancel Figure 25 Project Import Configuration Warnings Example 1 Texas Instruments Page 59 Fusion Digital Power Designer User s Guide For Version 1 3 23 This example from a UCD9240 shows warnings that can result from reading a project file that was saved from an early pre production version of firmware and then later imported into the same device with newer firmware loaded The GUI detected that four parameters one paged are supported by the attached device but not found in the project file being imported The opposite scenario is also checked for If your project file contains parameters that are not supported by the firmware you have loaded in the device you will also get warnings For example Ly Fusion Digital Power Designer Project Open Wizard Review Project File Warnings Please review the following warnings and or errors regarding your project file You can still import the remaining parameters from your project file SYNC_IN_OUT MFR 17 0xE1 parameter not supported on the UCD9240 TRACKING ENABLE MFR 22 0xE6 parameter not supported on the UCD9240 TRACKING SCALE MONITOR MFR 23 0xE7 parameter not supported on the UCD9240 PAGE_ISOLATED MFR 06 0xD6 Rail 1 parameter not supported on the UCD92
24. 0x000000 0x000000 0x05 0x005F 0x3037303 0x5449202 0x0030 0x44414C4 0x5543443 0x5543443 0x5543443 0x007D 0x07D8 0x000F 0xCA40 OPERATION OT_FAULT_LIMIT OT_FAULT_RESPONSE OT_WARN_LIMIT PMBUS_REVISION POWER_GOOD_OFF POWER_GOOD_ON POWER_GOOD_POLARITY MFR 00 PREBIAS_MAX MFR 16 READ_DUTY_CYCLE READ_FAN_SPEED_1 READ_FREQUENCY READ_IOUT_1 READ_IOUT_2 READ_IOUT_ALL READ_LOGGED_MAX_ TEMPERATURE READ_TEMPERATURE_1 READ_TEMPERATURE_2 READ_VIN READ_YOUT REMOTE_TEMP_CAL MFR 18 STATUS_BYTE STATUS_CML STATUS_FANS_1_2 STATUS_INPUT STATUS_IOUT STATUS_MFR_SPECIFIC STATUS_OTHER STATUS_TEMPERATURE STATUS_ OUT STATUS_WORD TOFF_DELAY 0x80 120 110 2 A Eb EJ Eb EJ A 1 1 1 1 0 860 KH y 0 900 FJ v Low v 3 650 Y y 10 O RPM 500 0 Khz 0 134 0 06 A 0 134 ks 113 C 40 C 12 250 Y 1 004 333 476 v 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x0000 5 Ems 0x80 0x0078 0x81 0x006E 0x21 0x06E1 0x0733 0x00 0x1D33 0xE098 0x0000 Ox01F4 OxE002 OxE7FF 0xE801 0x0000 0x0071 0x0028 OxE0C4 0x0808 0x014D062 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x0000 0x0005 TON_MAX_FAULT_LIMIT TON_MAX_FAULT_RESPONSE TON_RISE TRACKING_ENABLE MFR 19 TRACKING_SCALE_MONITOR MFR 23 USER_DATA_00 UT_FAULT_LIMIT UT_FAULT_RESPONSE UT_WARN_LIMIT IN_OFF IN_ON IN_OV_FAULT_LIMIT IN_OV_FAULT_RESPONSE IN_OV_WARN_LIMIT IN_SCALE MFR 03 OUT_
25. 1 Texas Instruments Page 17 Fusion Digital Power Designer User s Guide d Fusion Digital Power Designer Parameters Being Polled Order A Parameter LOGGED_FAULT MFR 26 READ FAN SPEED 1 READ FREQUENCY READ LOGGED Mas TEMPERATURE READ TEMPERATURE 2 READ VIN READ VOUT STATUS WORD USER Ba OO MFR 10 READ OUT ALL READ OUT READ IOLIT 2 1 d 3 4 S 6 T o a Last Polling Cycle Completed On 6 28 2007 3 33 46 PM Last Value 0xDO00000 U RPM 500 0 Khz 46 41 C 12 250 1 004 Y 00000 1 Last Raw Last Status For Version 1 3 23 Mew Value Read Ox000000 Ox0000 Ox01F4 Ox002E Ox0029 OxEO 4 Ox0608 00000 Ox01 OxES00 0xE001 OxE FE DCK DCK DCK DCK DCK DCK 6 29 2007 3 01 35 PM 6 28 2007 3 01 35 PM 6 28 2007 3 01 35 PM 6 28 2007 3 01 35 PM 6 28 2007 3 33 45 PM 6 29 2007 3 33 25 PM 6 28 2007 3 39 46 PM 6 28 2007 3 01 35 PM 6 28 2007 3 33 45 PM 6 28 2007 3 33 46 PM 6 28 2007 3 33 46 PM Figure 4 Background Polling Status Form UCD9112 Monitor Task Active This form is updated after every polling cycle approximately once every Y second You can keep this form open while you work elsewhere in the GUI When you are on the advanced configuration form you ll see that a much larger number of parameters are polled because the GUI polls all variables dynamic parameters while this form is visible You can click a column header to change the row sort order By
26. 12 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 For Version 1 3 23 UCD9112 Address 8 Security Protection Bitmask Read Only Login or Turn Off Security to Edit Protect Command Code Description E Category Operations COEFFICIENT_WRITE_TO_FLASH MFR 06 RESTORE_DEFAULT_ALL SOFT_RESET MFR 11 STORE_DEFAULT_ALL H Category Parameters ALMOST_ZERO_MAX MFR 15 CLF_EVENTS MFR 01 COEFFICIENT_ROW MFR 05 ENABLE_PHASE MFR 14 FAN_COMMAND_1 FAN_CONFIG_1_2 FAN_SPEED_FAULT_LIMIT MFR 24 FREQUENCY_SWITCH IOUT_CAL_GAIN IOUT_CAL_OFFSET IOUT_OC_FAULT_LIMIT IOUT_OC_FAULT_RESPONSE IOUT_OC_WARN_LIMIT LIGHT_LOAD_ENABLE MFR 29 LOGGED_FAULT MFR 26 LOGGED_MAX_TEMPERATURE MFR 25 LOUT MFR 22 MAX_DUTY MFR_DATE MFR_ID MFR_IOUT_MAX MFR_LOCATION OxD6 0x12 OxDB 0x11 OxDF OxD1 OxDS OxDE Ox3B Ox34 OxES 0x33 0x38 0x39 0x46 0x47 0x44 OxED OxEA OxE9 OxE6 0x32 0x9D 0x99 OxA6 Ox9C Save CLA Coefficient tables in RAM to data flash Note that before issuing this command the use Instructs the PMBus device to copy the entire contents of the non volatile Default Store memory Resets the device Instructs the PMBus device to copy the entire contents of the Operating Memory to the matching Output voltage below this setting is treated as zero by the firmware When start up if there is o Total number of current limit flags For both phases if multi phase that
27. 150 a y Yout 1 100 S y gt A Limiter Nout 0 255 Y Margin Low 1 050 Sa y Nout Trim 0 000 HH y Vout Scale 2 Sieg 0 440 E Calibration Offset 0 000 HH Y Figure 7 Voltage Configuration UCD9240 Texas Instruments Page 25 Fusion Digital Power Designer User s Guide For Version 1 3 23 6 4 2 Basic Configuration The basic configuration tab collects the most critical configuration parameters in one form The UCD91XX form is shown below Other device versions may vary slightly Yoltage Configuration Basic Configuration Advanced Configuration Phase Rail Configuration CLA Banks Response vout Margin High Over Current 42 0 48 0 HA 0x80 v vout Margin Low 0 950 Liv Over Current LY 0 920 Hy 0x80 Yout Transtion Rate 0 071 E m s Under Current 10 0 A 0x00 Warn Fault Response ee Over Voltage 1 200 1 300 Hy 0x80 Warn Fault Response Under Voltage 0 800 EY 0 700 EY 0x00 Over Temp 75 so FJ c oxeo v Soft Start amp Soft Stop Turn On Delay Of ms Rise Time zim Warn Fault Response Turn Off Delay Ems Fall Time Ems Over Voltage 15 078 Y 15 578 H Y 0x80 ar eae Under Yoltage 6 031 5 531 Y v 0x00 Turn On Time 17 E ms 0x00 On Off Configuration On Off Configuration Ox1A v Click to Edit Figure 8 Basic Configuration UCD91XX 6 4 3 Advanced Configuration A sample advanced configuration form for a UCD9240 is shown below d Fusion Di
28. 24 Oct 14 Figure 4 Background Polling Status Form UCD9112 Monitor Task Achve 18 Figures Configure Task DER EE 19 Figure6 Over Voltage Fault Response Editor UCD9112 0 0 cccccsesecsessecsscsscessesesesseseessesessesseseseesaeean 24 Figure7 Voltage Configuration UCD9240 ei ii ise iia 25 Figure 8 Basie GOMMGUNAUOM CO AE EE 26 Figure9 Advanced Configuration Group by Category UCD9240 ooococccoccocccccocicoccconocacononncononononononaconcononncnninos 26 Figure 10 Advanced Configuration Do Not Group by Category on a Wide Dienl y 28 Figure 11 UCD9112 Security EENHEETEN 29 Fig re12 Securty Activator FoM EE 30 Figure 143 UCD9112 Security Security On State eene Eeer EE 31 Fig re 14 Secunty LOGIN Disable F e 32 Figure 15 GUI Startup Security Automatic Login Disable Form ccccccccsssescssscsesssecsseessecsseessesasersesasersen 33 Figure 16 Design Preferences Hierarchy UCTO2 0 e 37 Figure 17 Plant inputs VEDST1Z2Detaulls ias 38 Figure 18 E Mail Project Sample Microsoft Outlook ccccccccsecsscsscsccsessssessecesseseessecesessessesseseeseesaesaseseeean 94 Figure 19 Import Project Wizard Select File on UCD9112 o oooococccccocccccccconoccnncononnrononnnnnonnonconcononncononnonnnnnnnos 55 Figure 20 Import Project Wizard Item Selection EE 55 Figure 21 Project Import Review Parameters Form on UCToi cc ccccccsssssesssesscsecsecesseesessesassassasaseaseae 97 Figure 22 Project Import Review Parameters Form LOG
29. 40 PAGE_ISOLATED MFR 06 0xD6 Rail 2 parameter not supported on the UCD9240 PAGE_ISOLATED MFR 06 0xD6 Rail 3 parameter not supported on the UCD9240 PAGE_ISOLATED MFR 06 0xD6 Rail 4 parameter not supported on the UCD9240 l Copy To Clipboard lt Prev Next gt Cancel Figure 26 Project Import Configuration Warnings Example 2 Texas Instruments Page 60 Fusion Digital Power Designer User s Guide For Version 1 3 23 10 OFFLINE MODE Offline mode is a special disconnected operational mode of the GUI You can review your device configuration or work on its design offline without the need for the device to be connected to your PC There are two ways you can start the GUI in offline mode 1 Launch the GUI s without a device attached to the USB adapter or with the device powered down The GUI will show this form An Fusion Digital Power Designer Startup fa e No Deyices Found No compatible PMBus devices were found Please check your USB connection and power to your device offline Mode Exit Program Just click the Offline Mode button 2 Launch the special offline mode shortcut in the GUI s Start Menu o Windows Update Internet Explorer EN Command Prompt fg Programs mm Accessories Documents gt 7 Administrative Tools G Settings lm Texas Instruments Fusion Digital Power Designer da Fusion Digital Power Designer earch gt 7 Startup Fusion Di
30. COMMAND YOUT_MARGIN_HIGH YOUT_MARGIN_LOW YOUT_MAX OUT_MODE YOUT_OY_FAULT_LIMIT YOUT_OY_FAULT_RESPONSE YOUT_OY_WARN_LIMIT YOUT_SCALE_LOOP YOUT_SCALE_MONITOR YOUT_SENSE_UPPER_RESISTR MFR 02 YOUT_TRANSITION_RATE OUT_TRIM YOUT_UY_FAULT_LIMIT YOUT_UY_FAULT_RESPONSE YOUT_UY_WARN_LIMIT WRITE_PROTECT 0x62 0x63 0x61 0xE3 OxE OxBO 0x53 0x54 0x52 0x36 0x35 0x55 0x56 0x57 0xD3 0x21 0x25 0x26 0x24 0x20 0x40 0x41 0x42 0x29 0x24 OxD2 0x27 0x22 0x44 0x45 0x43 0x10 15 0x000F D 0x81 5 0x0005 Disabled 0x00 0 570 0xB247 d L es L bh 0x00 40 FE ec 0x07D8 0x81 v 0x81 30 E c 4 500 FJ y OxO7E2 OxCA40 5 000 0x0005 14 000 0x000E 0x81 0x81 13 188 OxD34C 0 148 OxA25E 1 000 0x0800 1 120 Ox08FS 0 880 Ox0704 4 000 0x2000 A PN HN E 8 9 00 EB EN EXP 11 0x15 1 300 Ox0466 0x81 J EN Eb 0x81 1 200 Ox0999 0 623 OxB27D 0 570 OxB24 6 031 OxCBO3 0 094 Ox9B02 lt SES 0 000 0x0000 0 800 0x0666 H El D EK H E ES 0x81 0x81 K Den Ev oxoscc 0x00 v 0x00 YOUT_UY_FAULT_LIMIT causes an output undervoltage Fault Transaction Log Sets the value of the output voltage at the sense or output pins that Fusion Digital Power Designer v1 3 12 2007 06 24 UCD9112 Firmware v1 0 42 2007 06 13
31. D91XX CLA Editor UCD92XX CLA Editor An Fusion Digital Power Designer UCD9112 Texas Instruments bs Fusion Digital Power Designer UCD9240 Rail 4 Texas Instruments File Device Debug UCD9112 Address 8 File Device Debug UCD9240 Address 91 Rail 4 v Configure Basic Configuration 1 Advanced Configuration Coefficient Tables Configure Voltage Configuration 1 Basic Configuration lf Advanced Configuration if Phase Rail Configuration CLA Banks gt Instructions Reload From Hardware The coefficient tables ded in nal m niie device ato teen bee os Es d Output ral on the UCD9240 has tree banks of CLA coefficients Bank 0 is use oda ing soft start amp sft stop voltage E Ser Wei ee apes eet oth linear and non linear ank 1 is used during normal re sed during light load o Instructions orm usii ie editor ra below eh have unche eked Lee ar Table Sch edit a cell by clicking it a andthe Ste Ge Ke peri Store RAM To Flash Coefficient Table 1 Coefficient Table 2 p CLA Gains Restore Flash to RAM Bn N es 2 z z Active Bank Inactive Bank Flash Bank 0x0 Flash Bank 0x1 Flash Bank 0x2 21 600 18 900 16 200 13 500 10 800 8 100 5 400 2 100 0 o z 0 173 2 863 0 141 3 320 3 320 0 287 4 984 0 249 5 883 5 883 0 119 2 156 0 110 2 594 2 594 1 266 1 000 1 000 1 000 1 000 0 266 0 000 0 000 0 000 0 000 0 000
32. E and PAGE are not displayed These parameters are set internally by the GUI to manage access to parameters which have different values depending on current phase PHASE and output rail PAGE e USER_RAM_00 is also managed internally by the GUI The GUI uses this to detect if you have power cycled or reset the device If an item is dynamic on the device such as READ_ TEMPERATURE 2 it will be polled while the form is displayed For example READ _DUTY_CYCLE is normally not displayed anywhere within the GUI and will not be polled from the device But when you are on the advanced configuration form it will be polled in the background and update approximately every 72 second Texas Instruments Page 27 Fusion Digital Power Designer User s Guide For Version 1 3 23 If you have a large PC display the grid will expand to fill in the space available In the UCD9112 example shown below almost every parameter is visible on a widescreen notebook The grid is sorted by command name in this example d Fusion Digital Power Designer UCD9112 Texas Instruments Device Debug File UCD9112 Address 8 Configure Store RAM To Flash Restore Flash to RAM C Group by Category Sort Parameters By 2 Command Name Command Code 2 Monitor BACH J Security lt Design Basic Configuration Advanced Configuration I Coefficient Tables 1 Command Code alue Edi
33. GED_FAULT Unchecked 57 Figure 23 Project Import PMBus Configuration Write Top 58 Figure 24 Project Import Review Parameters Form UCTO2 0 59 Figure 25 Project Import Configuration Warnings Example 1 59 Figure 26 Project Import Configuration Warnings Example Z ooconccccccccccciococconconconcononnonnonnonnononnconcononnonnonos 60 Figurer Offline Mode Staup VV IZA ia 61 Texas Instruments Fusion Digital Power Designer User s Guide For Version 1 3 23 Figure 28 Offline Mode Startup Wizard New Project Device Selection ccccccccssesssessssessessessesssesssessesseseeeen 62 Figure 29 Offline Mode UCD Lia dad 63 Figure 30 Device Reset Notification Fom EE 65 Texas Instruments Page 1 Fusion Digital Power Designer User s Guide For Version 1 3 23 1 ABOUT THIS USER S GUIDE 1 1 Documented Program Version This user s guide describes Fusion Digital Power Designer version 1 3 23 As features are modified or added in the software this document will be updated Please refer to Section 3 3 for instructions on downloading the latest version of the software 1 2 Conventions Any hexadecimal number will be prefixed by Ox For example OxFF Any other number should be assumed to be decimal 1 3 User Interface Terminology amp Tips Checkbox Yin Vout Tout Temp You can select any number of boxes Radio Button ei Mone Low 0 High You can only select one of the circles at a time For example clicking
34. High will deselect None Spin Edit 0 580 E Used for numeric entry You can type in a number directly or click the up and down arrows to increment or decrement the number The up down usually changes the last decimal place adding or subtracting 0 001 in this example Widget A generic term used to describe a user interface component such as a button or checkbox Disabled Grayed Out You can not edit to the widget This is usually because the GUI has determined that a particular item is a don t care or does not make sense given the setting of some other widget or PMBus command 1 4 Providing Feedback on this User s Guide Please contact your Texas Instruments representative to give feedback on this document or send e mail to digitalpowerapplications list ti com Texas Instruments Page 2 Fusion Digital Power Designer User s Guide For Version 1 3 23 2 ABOUT FUSION DIGITAL POWER DESIGNER 2 1 Overview Fusion Digital Power Designer is a Graphical User Interface GUI used to configure and monitor a Texas Instruments digital power controller typically embedded on an Evaluation Module EVM The application referred to as the GUI throughout this user s guide uses the PMBus protocol to communicate with the controller over serial bus by way of a TI USB adapter Some of the tasks you can perform with the GUI include e Turn on or off the power supply output either through the hardware control line or the P
35. MBus OPERATION command e Monitor real time data Items such as input voltage output voltage output current temperature and warnings faults are continuously monitored and displayed by the GUI e Configure the control law accelerator CLA coefficients through an interactive design tool e Configure common operating characteristics such as Vout warning and fault thresholds and switching frequency 2 2 Supported TI Controllers The GUI currently supports the following Texas Instruments digital power controllers e UCD9111 e UCD9I112 e UCD9240 Other pre production or special purpose controllers not listed above may also be supported At startup the GUI scans all possible PMBus addresses and detects the first responding device Based on the device found the GUI configures its features and the list of PMBus commands it supports For in development products the GUI may also configure itself differently depending on the firmware version it detects The goal is for the customer to avoid the hassle of installing different versions of the GUI for different devices 2 3 PMBus amp the GUI The GUI communicates with the device using the Power Management Bus PMBus protocol PMBus uses the System Management Bus SMBus to communicate with a controller over serial bus The PMBus specification defines the application layer while the SMBus standard defines the transport layer This section gives a brief overview of some PMBus concepts that
36. OM mode Currently the UCD92XX execute program command is sent first send byte command code OxF0 and then the UCD91XX version is sent send byte command code 0x08 3 The GUI scans addresses 1 through 127 for an attached device lt does this by reading a special manufacturer command DEVICE_ID on each address This parameter contains information about the device including part number and firmware version Address 12 is skipped because this is reserved for use in the SMBus Alert Response Protocol 4 While the scanning process occurs you will see a dialog box An Fusion Digital Power Designer Startup Scanning for devices TH Found 0 No Devices Found No compatible PMBus devices were found Please check your USB connection and power to your device Texas Instruments Page 7 Fusion Digital Power Designer User s Guide For Version 1 3 23 Double check your USB adapter connection and power to your device and click Retry if you would like to retry the scan Offline mode allows you to use most of the GUI s features while not electrically connected to a device It is described in more detail in Section 9 When the GUI finds a device it makes a note of the address in it s preferences The next time you launch the GUI it will see if a device is still at this address before scanning the address range 1 through 127 This speeds up GUI startup S Currently the GUI will stop scanning for devices after fin
37. Once you click Next you will be presented with a list of devices that have default offline project files Pick a device and then click Next again 43 Fusion Digital Power Designer Offline Mode Startup Select Device You can create and edit a configuration for any Texas Instruments Digital Power Controller supported by Fusion Digital Power Designer Se the device you would like to configure From the list below Device UCD9240 v UCD9111 A set of defau UCD9112 aded For configurable PMBus paramters such as YOUT_COMMAND and TON_DELAY These values may not necessarily be default values for your EVM UCD9240 k Next gt Cancel Figure 28 Offline Mode Startup Wizard New Project Device Selection Note that the devices listed are not the complete list of devices the GUI supports The GUI usually supports a number of in development devices not shown in the list above The only difference is that while these devices can be edited in online or offline mode you can not create a new project for such devices When you create a new project a project file is not saved to disk until you request it This is very much like when you create a new document in Microsoft Word Texas Instruments Page 62 Fusion Digital Power Designer User s Guide For Version 1 3 23 10 3 Differences between Offline amp Online Mode The GUI uses the DEVICE_ID parameter embedded inside the file to emulate the firmware version that was loaded in the E
38. Power Designer Select Destination Location Where should Texas Instruments Fusion Digital Power Designer be installed na Setup will install Texas Instruments Fusion Digital Power Designer into the following folder At least 19 1 MB of free disk space is required You will also need to rename the Start Menu folder that gets created Again Beta has been appended to the default fe Setup Texas Instruments Fusion Digital Power Designer Select Start Menu Folder Where should Setup place the program s shortcuts Setup will create the program s shortcuts in the following Start Menu folder To continue click Next If you would like to select a different folder click Browse Don t create a Start Menu folder Texas Instruments Page 9 Fusion Digital Power Designer User s Guide For Version 1 3 23 Finally you ll need to decide whether you want to install desktop or quick launch shortcuts for this version of the GUI These shortcuts will overwrite any existing shortcuts In the beta example used here it is probably best to skip the creation of shortcuts ie Setup Texas Instruments Fusion Digital Power Designer Select Additional Tasks Which additional tasks should be performed Select the additional tasks you would like Setup to perform while installing Texas Instruments Fusion Digital Power Designer then click Next Additional icons C Create a desktop icon Using this technique
39. Texas Instruments Page 64 Fusion Digital Power Designer User s Guide For Version 1 3 23 11 DEVICE RESET amp RECONNECT 11 1 Automatic Device Reset Detection Because the GUI maintains a cached copy of device parameters it reads it is critical that it handles device reset situations To facilitate this the GUI uses a special manufacturer command USER_RAM_00 to automatically detect if the device has been reset When the GUI first starts up it writes a value of 0x1 to USER_RAM_00 When background polling is running the GUI reads USER_RAM_00 and sees if it has changed back to 0x0 the device s boot value for the parameter It it has changed a device reset has occurred When a device reset is detected you will be presented with a reset notification form d Device Reset Notification Fusion Digital Power Designer detected that the UCD911 go Address 8 was reset All device parameters will be refreshed when you click the OK button Don t notify me of resets again automaticaly refresh device parameters Figure 30 Device Reset Notification Form Once you acknowledge the reset all PMBus editor widgets will be cleared and device parameters will be refreshed from the device Any unwritten PMBus edits will be discarded as well This ensures that the GUI is again synchronized with the device If you would prefer to have the GUI skip the notification and automatically jump to the parameter refresh just click the checkbox shown in Figur
40. USB Adapter v1 0 5 Figure 10 Advanced Configuration Do Not Group by Category on a Wide Display 9 Texas INSTRUMENTS fusion digital power In addition to providing one of the editors described in Section 6 3 for each parameter each row of the grid displays the hex encoding of the parameter When a parameter is writable you can edit the hex directly In the switching frequency example shown below OxXFBE5 is the LINEAR11 encoding of 498 5 FREQUENCY SWITCH Texas Instruments 0x33 498 5 H khz OxFBES Page 28 Fusion Digital Power Designer User s Guide For Version 1 3 23 7 CONFIGURATION SECURITY 7 4 Configuration Security Overview The PMBus standard only allows very basic write protection through the WRITE_PROTECT parameter With it you can lockout writes to the entire device or optionally select a pre defined list of commands to exclude from write protection Version 1 1 of the PMBus specification only allows the following combinations Data Byte Value Meaning 1000 0000 Disable all writes except to the WRITE_PROTECT command 0100 0000 Disable all writes except to the WRITE_PROTECT OPERATION and PAGE commande 0010 0000 Disable all writes except to the WRITE_PROTECT OPERATION PAGE ON_OFF_CONFIG and VOUT_COMMAND commande 0000 0000 Enable writes to all commands Texas Instruments enhanced configuration security lets you pick and chose which commands to write protect on a command by command basis though a security
41. UT_CAL_GAIN_3 IOUT_CAL_GAIN_4 IOUT_CAL_OFFSET_1 IOUT_CAL_OFFSET_2 IOUT_CAL_OFFSET_3 IOUT_CAL_OFFSET_4 TEMPERATURE_CAL_GAIN_1 MFR 20 TEMPERATURE_CAL_GAIN_2 MFR 20 TEMPERATURE_CAL_GAIN_3 MFR 20 TEMPERATURE_CAL_GAIN_4 MFR 20 TEMPERATURE_CAL_OFFSET_1 MFR 21 TEMPERATURE_CAL_OFFSET_2 MFR 21 TEMPERATURE_CAL_OFFSET_3 MFR 21 TEMPERATURE_CAL_OFFSET_4 MFR 21 TEMPERATURE_CAL_OFFSET_2 MFR 21 Transaction Log Used to calibrate TEMPERATURE_2 readings Phase 2 0x38 0x38 0x38 0x38 0x39 0x39 0x39 0x39 0xE4 0xE4 OxE4 DxE4 OxES OxES OxES OxES Wal Eb kd kd kl el Jak Jk Eb Jl elo fil fl Joh Eb Eb P P ob H L Irch in R R A A A AA lt l OxDAA4 OxDAAt 0xD360 0xD360 OxDSD2 OxDSD2 OxCC43 OxCC43 0x0064 0x0064 0x0064 0x0064 Ox07CE Ox07CE Ox07CE Ox07CE E Fusion Digital Power Designer v1 3 9 2007 06 18 UCD9240 Firmware v2 5 0 816 2007 06 13 USB Adapter v1 0 5 Figure 3 Dashboard UCD9240 Texas INSTRUMENTS fusion digital power O Readings The information displayed in this area will vary based on device All readings are normally updated once every Y second The PMBus PHASE command is used to acquire readings for different phases from the device READ_IOUT will return different values depending on what value was last written to the PHASE command A special case is the all phase value Readings such as lout All in the UCD9112 sam
42. VM at the time the project file was created In essence the GUI creates a virtual device that you can manage Offline mode differs very little cosmetically from online mode as shown by the following UCD9112 example An Fusion Digital Power Designer UCD9112 Offline Edit Texas Instruments File Device Debug UCD91 12 Offline Y O Monitor Yin Input Voltage Yolts x Yout Ouput Yoltage Yolts x Show Hide Plots Vout ees ETT ATT gt EE 1 4 e vin vout vin 12 250 Tout Temp Temperature 42 C Max Recorded Temp C Fit All Plots on Screen Switching Frequency 500 Khz O Scale Plots to Screen Tout HESS Width Phase 1 Iout 0 06 A Phase 2 Tout 0 06 A Fan Speed 0 RPM Status Registers Show Warn amp Fault Limit Editors Show Value Labels on Plots i i i i oL i i i i P 32 00 32 20 32 40 33 00 31 40 32 00 32 20 32 40 33 00 Launch Dashboard Power Good Comm Fans None Installed Logged Faults OK SES Immediate OFF No Sequencing Configure O Soft OFF With Sequencing t Security Design L 31 40 32 00 32 20 32 40 31 40 32 00 32 20 32 40 33 00 Fusion Digital Power Designer v1 3 12 2007 06 25 UCD9112 Firmware v1 0 40 2007 05 16 Offline Edit Not Saved d Texas INSTRUMENTS fusion digital power Figure 29 Offline Mode UCD9112 In offline mode read only parameters are a snapshot of the last value read from the devic
43. Wrote MFR_ID TIPACME 0 544924143404500 to Flash lf a parameter is written directly to flash the GUI will pause 200 ms after each write in order to give the flash write time to complete in firmware before executing the next PMBus command 6 3 Editors The GUI hides the complexity of the underlying encoding used for each parameter a custom widget is always available for editing a particular parameter Even though the GUI is ultimately reading and writing byte encoded data to the device you normally do not need to be concerned with encoding details If you would like to debug or review encoding the GUI provides several methods to review the low level encoded value of a parameter Texas Instruments Page 22 Fusion Digital Power Designer User s Guide For Version 1 3 23 6 3 1 Numeric Editors Most of the configurable items on the device represent numeric values A widget called a spin edit and is used to edit numerical values both floating point numbers such as for VOUT_COMMAND and integers such as for FAN_SPEED_FAULT_LIMIT For example VOUT_COMMAND 1 000 E7 y FAN_SPEED_FAULT_LIMIT 1 000 E sen You can either type an entry directly or use the up and down buttons to increment or decrement the value at the last decimal place For example clicking up for the 1 000 value shown would change it to 1 001 Depending on the PMBus parameter the spin edit may enforce a minimum and or maximum value If you try to use the up down buttons to g
44. YOUT_UV_WARN_LIMIT Yes 0 850 Y Ox06CC 1 000 Y 0x0800 l ALMOST_ZERO_MAX MFR 15 0 300 Y 0x0266 0 300 Y 0x0266 CLF_EVENTS MFR 01 No 50 Ox0032 50 Ox0032 COEFFICIENT_TABLE_1 No coefficients block data coefficients block data COEFFICIENT_TABLE_2 No coefficients block data coefficients block data lo Mo gt e Show All Parameters Show Updated Parameters Only Unselect Al Select Al lt Prev Write checked cancel Figure 21 Project Import Review Parameters Form on UCD9112 In this example the device has a Vout set point of 1 0V Vout margins and limits are set accordingly The project file that is being imported has a set point of 1 25V again with margins and limits are set accordingly The GUI detected these differences and selected the project values to be written Another parameter LOGGED_FAULT is checked because there was a logged fault present at the time the project file was saved We will uncheck this box and skip over LOGGED_FAULT Ly Fusion Digital Power Designer Project Open Wizard Review Parameters to Import The following table summarizes any differences between the parameters in your project file and the values currently in memory on the device By default only modified parameters will be written out You can chose however to skip certain parameters by unchecking it s checkbox When ready click the Write button to write checked parameters to the device Import Parameter A
45. abled Security is temporarily disabled Any command can be written to and the security bitmask can be modified When the device is reset security will be returned to the On state 4 Password Lockout When changing the password or disabling security the user must enter the current password If they enter it incorrectly the system will lockout additional password entry until the device is reset 7 2 Turning on Security EVMs provided directly from Texas Instruments normally have security turned off by default To turn on security you set a security password Click the Turn On Security button shown in Figure 11 You will be prompted for a password 43 Set Security Password Set Security Password On UCD9112 Address 8 You must enter a six character password to activate security The password is case sensitive Enter Password essees Confirm Password eeeeeg Set Password Cancel Figure 12 Security Activation Form Passwords must be exactly six characters long Once you click Set Password you will get a confirmation on success and the security task form will change to reflect the new state Security On Texas Instruments Page 30 Fusion Digital Power Designer User s Guide An Fusion Digital Power Designer UCD9112 Texas Instruments File Device Debug Security Is On Change Password Login Temp Disable Turn Off Security 7 Monitor 7 Configure Fusion Digital Power Designer v1 3 12 2007 06 24 UCD91
46. al Power Designer User s Guide For Version 1 3 23 There are a few other items that are always visible in the GUI Menu Device Rail Selector Some menu items are duplicated in other parts Shows what device and optionally output rail of the GUI you are currently monitoring and configuring da Fusion Digital Power Designer UCD9112 Texas Instruments File Device Monitor Vin Input Voltage Vols Show Hide Plots Mot v vin vout vin 12 250 Y 7 tout V Temp Temperature 36 C Max Recorded Temp Sc 1 2 44 1d Fit All Plots on Screen Switching Frequency 500 Khz O Scale Plots to Screen Tout 0 00 A l 0 8 width Phase 1 Iout 0 13 4 i 200 Y Phase 2 Iout 0 06 A ae Fan Speed 0 RPM C Show Warn amp Fault f f Limit Editors i i i i 0 4 Status Registers i 1 j i v Show Value Labels H j i on Plots vout i i i 0 2 vin i 1 i Stop Polling Temp 0 Les Tout 32 00 32 20 32 40 33 00 Launch Dashboard Power Good Comm x Temperature Degrees Celsius Fans None Installed y Logged Faults OK Immediate Off No Sequencing 2 Configure Soft OFF With Sequencing Security 0 i 50 i i i i i Design 32 40 33 00 32 00 32 20 32 40 33 00 33 20 Fusion Digital Power Designer v1 3 9 2007 06 18 UCD9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 Texas INSTRUMENTS f
47. and Vout margins and limits are different for all four output rails on a UCD9240 4 Fusion Digital Power Designer Project Open Wizard Review Parameters to Import The following table summarizes any differences between the parameters in your project file and the values currently in memory on the device By default only modified parameters will be written out You can chose however to skip certain parameters by unchecking it s checkbox When ready click the Write button to write checked parameters to the device Import Parameter A Updated y Device Yalue Device Hex New Value New Hex OPERATION Rail 1 Yes Unit a 0x00 Unit On Margi 0x98 OPERATION Rail 2 Yes Unit Immediate 0x00 Unit On Margi 0x48 YOUT_MARGIN_HIGH Rail 1 Yes 1 050 A JA UA Ox11EB Unit ImmediateOff Margin None j YOUT_MARGIN_HIGH Rail 2 Yes 1 575 Y 0x14E1 YOUT_MARGIN_HIGH Rail 3 Yes 1 690 Y Ox1E3D 2 016 Y 0x2041 YOUT_MARGIN_HIGH Rail 4 Yes 2 625 Y 0x2400 2 800 Y Ox2CCC YOUT_MARGIN_LOW Rail 1 Yes 0 950 Y Ox0F33 0 880 Y Ox0E14 YOUT_MARGIN_LOW Rail 2 Yes 1 425 Y Ox160C 1 320 Y Ox151E YOUT_MARGIN_LOW Rail 3 1 710 Y Ox1B5C 1 584 Y 0x1958 YOUT_MARGIN_LOW Rail 4 Yes 2 375 0x2600 2 200 Y 0x2333 YOUT_OW_FAULT_LIMIT Rail 1 Yes 1 100 Y 0x1199 1 300 Y Ox14CC YOUT_OY_FAULT_LIMIT Rail 2 Yes 1 650 Y 0x1466 1 950 Y Ox1F33 YOUT_OV_FAULT_LIMIT Rail 3 Yes 1 980 Y Ox1FAE 2 340 Y 0x2570 YOUT_OW_FAULT_LIMIT Rail 4 Yes
48. ard Changes will undo all pending changes you have made to your device s configuration since you last wrote to hardware Warning there is no confirmation for this button This only affects the GUI it does not affect hardware values Most PMBus parameters have an operational value that is stored in RAM and a power on default that is stored in non volatile flash memory When you change one of these parameters and write out the change to the device you are only changing the operational RAM copy When the device is reset this value will be overwritten with the value from flash memory You can copy all RAM values to flash by clicking the Store RAM to Flash button This executes the STORE_DEFAULT_ALL command on the device You can use the Restore Flash to RAM button to overwrite operational RAM values with the values stored in flash memory This executes the RESTORE_DEFAULT_ALL command on the device and is similar to doing a device reset If the RESTORE_DEFAULT_ALL command is executed successfully any differences between previous RAM values and new RAM values loaded from flash will be noted in the GUI with a Y icon Moving the cursor over this icon will give additional details VW 1 000 HA Mew Yalue Restored to YOUT_COMMAND ol A new value was loaded into operational memory The restored value is 1 000 Y 00800 The old value was 1 100 h g Y Ox08cc You can clear these notices clicking the Clear Restore Notices button Note The R
49. are used in the GUI Visit www pmbus org and www smbus org for a more thorough description of PMBus and SMBus The PMBus protocol defines a set of standard commands that devices may support A command represents an action a device Is to perform or information it can read and or write A PMBus parameter is a special type of command You can read a parameter to get information from the device and optionally write to a parameter to configure the device Some parameters are read only while others support read and write Parameters are referred to as variables in this user s guide Another type of command is a send byte command These are similar to function calls in a programming language they instruct the device to do something Texas Instruments Page 3 Fusion Digital Power Designer User s Guide For Version 1 3 23 Every command has a unique command code These are shown in the GUI using hexadecimal notation Command codes start at 0x00 and end at OxFF Commands are named using fairly descriptive labels such as VOUT_COMMAND for the command that is used to set output voltage Manufacturers may define their own proprietary commands Command codes 0xDO through OxFF are reserved for these manufacturer specific commands Many of the UCD9xxx digital power controllers share a common set of manufacturer commands In the PMBus specification manufacturer commands have generic names such as MFR_SPECIFIC_00 MFR_SPECIFIC_01 and so on TI manufacturer commands
50. ator Inputs UCD91XxX UCD92XX Compensator Rail 1 Bank 0x0 Soft start stop _ Real Zeros Only Complex or Real Zeros 8 PID O Real Zeros Only Complex or Real Zeros C PID k 2 924643 E Kp Ki Ep a 0 967 Ki KU 1 Fa 8 793 kHz Kd 158 677 7 kHz kHz P 158 677 EJ kHz Fp3 158 677 E kHz The compensator inputs are entered in the continuous s domain There are three modes of entering the second order filter Click on the radio button to change modes Real Zeros Only In this mode you can only enter two real zeros Fz1 and Fz2 along with the filter gain K Complex or Specify a quality factor Q and the compensator zero frequency Fz along with the Real Zeros compensator gain K If Q is greater than 0 5 the compensator will have a pair of complex zeros If Q is less than or equal to 0 5 it will have two real zeros s s so g A lee dl pet H s Koan Az Sz or H s Kan Ei E S S S 8 Op Dir el eege UCD91XX UCD92XX PID Specify the Proportional Integral Derivative PID gains of the compensator in continuous terms Kp Ki and Kd As you modify a design parameter in a particular input mode the complimentary inputs are calculated and shown The relationship between real and complex zeros is F h 40 The one special case is going from complex zeros Q gt 0 5 to real zeros In this case E Fa Fa 30 UCD91XX Notes The gain entered in real zero or compl
51. been made non linear overrides e ei O Thecalculated b0 bi and b2 are shown here These can no be edited They will be updated whenever the design is recalculated Calculated Coefficients by 1 077 by 2 051 by 977 Make All Linear Symmetric overrides E g entering gains For bin 2 also enters negated gains in bin 2 Bin M Ni M32 Click Checkbox to Override a Bin Using Gains O To override a bin click it s checkbox and enter a new discrete Kp Ki and or Kd Any SE 6840 C Ke Ko non linear overrides you define will be 6 462 5 863 Ke ko sticky and will be maintained even after ES Ae ke F the design is recalculated Overrides are also saved to design preferences and SE SEN TH Ko E project files 8 616 7 817 III Es Ka a 5 m4 H E ER 5 103 3015 e Ke Ae you edit the PID gains the new values for the row will be updated The N N 1 and 1 077 977 O Ke N 2 columns always represent the value 0 o O ke l l that will be written to the device when you click the Write to Hardware button o 3 210 2 210 Ges EEF O By default overrides are symmetrical If you override bin 4 bin 4 will also be overridden as shown in this example If you would like to enter different overrides for a negative bin uncheck this checkbox O Clicking this button is equivalent to unchecking every override checkbox it will discard any overrides present and
52. combination of CONTROL pin input and PMBus commands needed to turn the unit output on and off Paged READ_VOUT Ox8B A read only parameter Returns the measured output voltage Paged READ_I0UT_1 Ox8C A read only parameter Output current for phase 1 Phased and paged READ_IOUT_ALL Ox8C A read only parameter Total output current Notice how the command code is the same as for READ_IOUT_1 Paged CLEAR_FAULTS 0x03 A send byte command This instructs the device to clear any fault or warning bits that have been set in the various status registers the device maintains Because this is a send byte you do not actually read this command Paged TRACKING_ENABLE MFR 19 OxE3 A read write manufacturer parameter This controls whether the voltage tracking feature is enabled on the UCD91XX A tag such as MFR 19 shown here is used in the GUI to indicate a parameter is a manufacturer command In this case 19 means this command uses the MFR_SPECIFIC_19 command slot Paged MFR_LOCATION 0x9C A read write string parameter Since this is global to a device it is not paged Texas Instruments Page 4 Fusion Digital Power Designer User s Guide For Version 1 3 23 2 4 Getting Device or Application Support If you need assistance with the GUI or your digital power controller please contact your Texas Instruments sales representative or send an e mail to digitaloowerapplications list ti com Texas Instruments Page 5 Fusion Digital Power Desig
53. crete About Phases Des Ig n Plot Number of Phases 2 S 40 _ Plant For DCR L Rds on hi and Rds on lo enter the actual component value and C 0 ntro Compensator rating from the design For this dual phase device the evaluation of the Se 20 ge plant will adjust these with the correct effective value based on the multiple be C 1 ti 2 Loop phases present in the design 0 f ti Write to Hardware COEN i EE SE 20 UNCTIONS C uF SAM ESL nk 1 000 10 000 100 000 SU ch as 47 000 2 000 0 800 Frequency Hz 470 000 8 400 1 500 oe Note Non Linear Phase Loo writing your Coefficient Row san 22 000 2 000 0 800 P ef Overrides Entered coefficients Ge N S to hardware s inen Leg Delete Selected Le are controlled O Complex or Real Zeros PID here Kp 9 750 1 Ei EN Angle Degrees y E Configure KH 1 500E 6 Ki 1 000 10 000 100 000 Security kHz Kd 2 004E 3 E Frequency Hz Plant Compensator Voltage Feedback Current Sense Table Edit Bode Plot Bode Data Il Schematic J PA dapter v1 E BREEEEEEE ooo l Fusion Digital Power Designer 11 3 13 2007 06 28 UCD9112 Firmware v1 0 42 2007 06 13 USB Left Tab Group Right Tab Group Used to switch between design input entry forms and Used to switch between bode plots bode perform other device specific functions UCD91XX data and a schematic of the EVM advanced table edi
54. d i TEXAS NSTRUMENTS Fusion Digital Power Designer User s Guide For Version 1 3 23 or Higher User s Guide Last Updated on 15 September 2007 Documentation for the Microsoft Windows application used to monitor and configure Texas Instruments UCD91XX and UCD92XX PMBus digital power controllers TE Fusion Digital Power Designer UCDS112 Texas Instruments fm gy Se Fusion Digital Power Designer UCD9112 Texas Instruments Fusion Digital Power Designer UCD9240 Rail 41 Texas Instruments ca Ak EN File Device UCD9112 Address 8 UCD9240 Address 91 Rail 1 Show Hide Plots vin M vout i f H H i eg en E iil KE AA O Immediate OFF No Sequencing O Soft Off With Sequencing Go Oo Fk All Plots on Screen Scale Plots to Screen width Tout i 1 i H Tout Seen Margin None Olow Ooh Vout Max 3 634 Ev Margin High 1 050 7 e Vout A oe H v 0 0 Limiter Vout 3 920 Y Margin Low 0 950 E y gt Vout Trim 0 0 v eg reng 0 490 E Calibration Offset 0 000 5 v GE O Immediate Off No Sequencing O Soft Off with Sequencing On 0x01 to RAM 4 Fusion Digital Power Designer UCD9112 Texas Instruments my AM to data flash Note that before issuing this command the py the entire contents of the non volatile Default Store mem Y Limits FAN_SPEED_FAULT_LIMIT MFR 24 py the entire contents o
55. d actions vary only slightly between UCD91XX and UCD92XX devices When the Auto Calculate checkbox is checked the Calculate Auto Calculate Sa fa Reload Reset Design Reload Reset Design Auto Calculate Review Gains Review Table System Continuous Discrete _ Compensator 8 Loop Write bo Hardware 6 Write bo Hardware Texas Instruments button will always be disabled the design will re calculate when you change an input If Auto Calculate is unchecked the Calculate button will be enabled when the design is out of date and you need to recalculate After you click the button it will be grayed out again You can review the CLA coefficients that have been generated by clicking the Review Table or Review Gains button The coefficients are displayed in their own floating window When the design is updated the coefficients will be refreshed If the design is not stable no coefficients will be generated and the Review Table Gains button and the Write to Hardware button will be disabled Page 42 Fusion Digital Power Designer User s Guide For Version 1 3 23 The Reload Reset Design button is used to redefine the CLA inputs based on the current hardware coefficients and or reset the plant inputs based on the EVM reference design Fs and Vout will be reset to current hardware values of VOUT_COMMAND and FREQUENCY_SWITCH Clicking the button brings up a dialog box in which yo
56. dard Not all limits are supported on all devices Vin OVF VIN_OV_FAULT_LIMIT Vin Over Voltage Fault Limit OVW VIN_OV_WARN_LIMIT Vin Over Voltage Warning Limit UVW VIN_UV_WARN_LIMIT Vin Under Voltage Warning Limit UVF VIN_UV_FAULT_LIMIT Vin Under Voltage Fault Limit Vout OVF VOUT_OV_FAULT_LIMIT Vout Over Voltage Fault Limit OVW VOUT_OV_WARN_LIMIT Vout Over Voltage Warning Limit UVW VOUT_UV_WARN_LIMIT Vout Under Voltage Warning Limit UVF VOUT_UV_FAULT_LIMIT Vout Under Voltage Fault Limit lout OCF IOUT_OC_FAULT_LIMIT lout Over Current Fault Limit OCW OUT OC WARN MIT lout Over Current Warning Limit UCF IOUT_UC_FAULT_LIMIT lout Under Current Fault Limit Temperature OTF OT_FAULT_LIMIT Over Temperature Fault Limit OTW OT_WARN_LIMIT Over Temperature Warning Limit UTW UT_WARN_LIMIT Under Temperature Warning Limit UTF UT_FAULT_LIMIT Under Temperature Fault Limit Texas Instruments Page 16 Fusion Digital Power Designer User s Guide For Version 1 3 23 Plot A reading and its associated limits are plotted on the graph every 500 milliseconds If communication is lost with the device for any reason plotting will stop Plotting will also stop if you turn off background polling using the Stop Polling button on the left side of the form Fault limits are plotted in red while warning limits are plotted in orange The device value is plotted in green You can chose whether to show or hide the fault limit editors and the value labels on us
57. default the grid is sorted by the order in which the parameters are read from the device the Order column Texas Instruments Page 18 Fusion Digital Power Designer User s Guide 6 CONFIGURATION For Version 1 3 23 The Configure task is used to interactively configure the device through PMBus commands When you first click the Configure button the GUI will cache all parameters on the device by fetching those parameters that have not been previously read A dialog box will show you the progress d Fusion Digital Power Designer Reading Device Parameters Reading Parameters From UCD9112 Address 8 em MFR_MODEL You can not cancel this step 6 1 Configuration Overview Once all parameters have been read from the device the GUI should look something like the following 4 Fusion Digital Power Designer UCD9240 Rail 1 Texas Instruments File Device mm fea e UCD9240 Address 91 Rail 1 Voltage Configuration Basic Configuration Advanced Configuration Phase Rail Configuration CLA Banks RK Operation O Immediate Off No Sequencing O Soft OFF With Sequencing Store RAM To Flash Restore Flash to RAM Margin None O Low High Margin High Nout Margin Low Nout Trim Calibration Offset Monitor A gt Design OPERATION Used to turn the unit on and off in conjunction with the input From the CONTROL pin It is also used to cause the unit to set the
58. ding the first device A future release of the GUI will support managing multiple devices concurrently 3 4 1 Connection Troubleshooting Tips Problem Resolution The scan never occurs The GUI immediately This usually indicates the USB serial adapter is not attached to comes up with the error form When retry is the PC or is malfunctioning Verify that the green LED on the clicked the error form reappears immediately serial adapter is ON If it is not unplug the adapter power off your device reconnect the adapter and then power on your device The GUI scans each address but can not find Verify that power is on to the device Try re applying power to the device the EVM Also try resetting the USB adapter as described above 3 5 Program Preferences Many aspects of the GUI are configurable Your settings are maintained in a preference file on your PC Some common preferences include e GUI window size and location e Show hide status of various components of the interface such as charts in the monitoring task e The input parameters for your last design The GUI does not maintain the state of the hardware configuration in its preferences lt does however provide a powerful feature to export a device s parameters and design to a separate file This file called a project file can be loaded at a later date and even edited offline See Section 9 Project Files and Section 10 Offline Mode Preferences are stored in a file named prefs
59. e 30 before clicking OK Remember reset detection only occurs if device polling is enabled If you have disabled polling the reset will be detected when you re enable polling 11 2 Device Reset Initiated from the GUI die eee t The previous section describes how the GUI handles device resets caused by a Kees power cycle or hardware based reset of the device such as the UCD9240 EVM s soft reset switch The GUI can also initiate a reset on supported devices through Dashboard Sey y oO Configuration the Device menu shown to the left Security Login Gr Cleat Max Recorded Temperature The same reset notification form will be shown as described in Section 11 1 Itis E e not a requirement that background polling be running to initiate a reset this way Refresh All Parameters Background Polling 11 3 USB Adapter Reconnect Should it be necessary the GUI supports hot disconnect and reconnect of the USB adapter The device is not reset or affected by this Texas Instruments Page 65 Fusion Digital Power Designer User s Guide For Version 1 3 23 12 MENU SUMMARY This section gives brief summaries of all possible menu items File amp Device Menus are built dynamically based on the attached device firmware version and whether you are in online or offline mode Sometimes menu items may be visible but disabled grayed out based on these criteria while other times a menu item may be hidden entirely A in
60. e CLA gains to the flash bank for the currently selected CLA tab such as Bank 0x0 Soft Start Stop A confirmation of the write or list of errors will be display when complete The name and behavior of the final button varies depending on the target device But in each case the button is only enabled after the coefficients have been written to hardware e UCD91XX Save Table to Flash When you write the coefficients to hardware they are loaded into operational memory on the device You must save the parameters in the device s RAM to flash if you want this set of coefficients to survive a device reset Clicking this button will execute the PMBus STORE_DEFAULT_ALL command You will receive a confirmation e UCD92XxX Activate Flash Bank The UCD92XX normally selects the current active flash bank automatically based on the current mode of the device soft start stop light load or normal operation You can force the device to switch to a particular flash bank using this button Texas Instruments Page 43 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 10 CLA Editing vs Design The GUI supports editing individual CLA tables banks on both UCD91XX and UCD92XX devices through the Configure task Edits made in this way do not directly affect your design You could for example use your own design methodology and tools to define your coefficients You would then manually type these into the CLA editor UC
61. e for each parameter Note that on the readings plots above a single data point is plotted multiple times in order to show the plotting feature by example When you are in offline mode the GUI indicates this in several places O The title bar will say Offline Edit O The device rail selector will have Offline appended to it The footer will contain the filename of the project file or if this is a new project and it has not been saved Not Saved O Some features that can t be accessed in offline mode will be disabled grayed out For example the device s CONTROL Pin can not be set in offline mode When editing PMBus configuration parameters like VOUT_COMMAND or coefficient tables banks you must still write your changes to virtual hardware by clicking buttons such as Write to Hardware in the Configure task This will not write to your project file It simply commits your changes to the virtual hardware so that if or when you do save your project your modifications will be saved Texas Instruments Page 63 Fusion Digital Power Designer User s Guide For Version 1 3 23 Don t get too concerned about remembering to write out any changes or save your project file If you try to quit the GUI or save your project file you will be warned that your PMBus configuration has not been written to virtual hardware Similarly if you quit the GUI and have made any changes to your design or virtually written to the device s c
62. e or in the host system mi FAN_CONFIG_1_2 0x3A Used to configure up to four fans associated with one PMBus device Jj FAN_SPEED_FAULT_LIMIT MFR 24 OxES Fan speed limit in RPMs If the fan speed is below this when the Fan is marked as installed then it e FREQUENCY_SWITCH 0x33 Switching frequency in kHz of a PMBus device ii TOUT_CAL_GAIN 0x38 Ratio of the voltage at the current sense pins to the sensed current e IOUT_CAL_OFFSET 0x39 Most often used in conjunction with the IOUT_CAL_GAIN command to minimize the error of the cu IOUT_OC_FAULT_LIMIT Ox46 Sets the value of the output current in amperes that causes the overcurrent detector to indicat i IOUT_OC_FAULT_RESPONSE 0x47 Instructs the device on what action to take in response to an output overcurrent Fault i IOUT_OC_WARN_LIMIT 0x44 Sets the value of the output current that causes an output overcurrent warning LIGHT_LOAD_ENABLE MFR 29 OxED Specifies what mode light load processing is in Static dual phase system stays in dual phase mo LOGGED_FAULT MFR 26 DEA Shutdown reasons The first two bytes is a bit mask with each bit representing the type of error E LOGGED_MAX_TEMPERATURE MFR 25 OxE9 Two items the current maximum recorded external temperature and a bit that can be set to clear LOUT MFR 22 OxE6 Value of the output inductor for current ripple calculations in pH MAx_DUTY 0x32 Maximum duty cycle of the unit s power conversion stage 2 Monitor
63. ect file above or select a recently used project file below When selected click Next to continue Last Used Y Device File Directory 6 24 2007 9 32PM UCD9112 UCD9112 Project Experiment 2 xml C Documents and Settings x0065168 Desktop 6 21 2007 7 24 PM UCD9112 UCD9112 Project Experiment 1 ml C Documents and Settings x0065168 Desktop 6 21 2007 10 00 AM UCD9112 UCD9112 Project Production Config xml C Documents and Settings x0065168 Desktop Next gt Cancel Figure 19 Import Project Wizard Select File on UCD9112 The GUI keeps track of your 25 most recent projects you either opened or saved In online mode the GUI will only show projects for a device that matches the current device you have connected For example in the example shown in Figure 19 only recent UCD9112 projects are shown because a UCD9112 device is attached Files are also only shown if they can be accessed If you opened a project on a file server previously and are now disconnected from the file server the project file will not appear in this list But if you later reconnect to the file server and run the import wizard the file will be listed If one of the recent projects is what you want to import click the file s entry in the grid Or click the Select File button to bring up a file open dialog box and find the file on your PC or server Once you have selected the project file you want to import click the Next button to bring up project i
64. ed 0 RPM Status Registers ol 32 00 32 20 32 40 33 00 33 20 Power Good Comm Fans None Installed Logged Faults OK Tout Output Current Amps Immediate Off No Sequencing Soft OFF With Sequencing select a new task Design the current task is highlighted em 0 O Low C High 32 00 32 20 32 40 Fusion Digital Power Designer v1 3 9 2007 06 18 UCD9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 Each task will be described in a separate chapter in this user s manual Task Description Monitor Yin Ga voltase Yolts x x Temperature Degrees Celsius Nout _ Geier olts x es i i 32 00 32 20 32 40 33 00 33 20 32 20 32 40 33 00 33 20 4 Texas INSTRUMENTS fusion digital power Readings of important device data is plotted and displayed Real time data is continuously polled from the device in the background updating the readings and plots Configure Security View and optionally modify parameters the device supports used to configure security for the device Design Select digital controllers support fine grained command write execute protection This task is Evaluate the predicted power supply performance and compute the digital loop coefficients for the device through an interactive design tool Once a satisfactory loop response has been achieved the coefficients may be written to the device Texas Instruments Page 11 Fusion Digit
65. er cycle and restore the device to it s power on defaults The GUI will detect when the reset is complete and refresh all parameters See Section 11 2 Online mode only Displays a form showing what PMBus parameters are currently being polled in the background This form updates in real time See Section 5 3 Online mode only Toggle background polling on and off H a checkmark is beside the menu item background polling is on See Section 5 for more information about readings and polling Launches an electronic copy of this user s guide in Adobe Acrobat Provides information on how to get application support for the GUI and your controller Launches the Digital Fusion Power homepage in your browser Launches the Texas Instruments homepage in your browser Displays summary information about the GUI Page 67 Fusion Digital Power Designer User s Guide For Version 1 3 23 13 TOADD Calculation of Output Impedance An ideal power supply acts like an ideal voltage source in series with a impedance that feeds the load So the lower the series impedance the better the power supply will perform This makes calculating or measuring the output impedance a useful indicator of the performance of the power supply For a Buck regulator the open loop output impedance is the parallel combination of the series impedance elements Zs RDSon inductor DCR and inductance with the parallel impedance elements Zp ESR and capacitance Z Z
66. estore Flash to RAM button will only execute the RESTORE_DEFAULT_ALL command if the GUI determines that the corresponding output is off The GUI looks at your ON_OFF_CONFIGURATION the current setting of the CONTROL pin and OPERATION to determine if the unit is converting power You will receive an error message if it is and can use the dashboard to stop power conversion select Dashboard from the Device menu O Configure Forms Configuration is broken down into several sub tasks and accessed by clicking on the tabs at the top of the form What tasks are available will vary based on the device For example each device family will have it s own unique CLA coefficient editor Configure modes are described in more detail in Section 6 4 Command Help When you move your cursor over an editor this area of the form will give a short description of the parameter You can make this area larger by dragging the horizontal dividers above help area O Transaction Log When you click the Write to Hardware Store RAM to Flash or Restore Flash to RAM buttons a log of the PMBus actions the GUI performs will be appended here A sample is shown below Transaction Log 14 02 30 Wrote YOUT_COMMAND 1 100 Y 0x08CC to RAM 14 02 38 Wrote OPERATION Unit SoftOFF Marain High ActOnFault 0x68 to RAM 14 02 42 Executed SendByte RESTORE _DEFAULT_ALL The value in brackets is the raw hexadecimal encoded value that was written to hardware The timestamp is Te
67. ex mode K is not the same as the gain defined in the UCD91XX application note Designing the Digital Compensator For UCD91xx based Digital Power Supply The relationship between K and Kcr is K K eade K dpwm K sense Texas Instruments Page 40 Fusion Digital Power Designer User s Guide For Version 1 3 23 UCD92XX Notes The cascaded first order filter section is automatically disabled if the digital coefficients are zero Zero digital coefficients correspond to continuous pole and zero frequencies of Fs TT The design tool assumes that the compensator includes an integrator and forces the first compensator pole Eau to be zero Hz 8 6 Input Errors Most design inputs restrict entry to a pre defined range If you enter an illegal value an icon will appear next to the input Move your cursor over the icon to learn more For example in the current synchronous buck topologies L must be between 0 and 3 UH L 4 000 ES pH DCR 1 400 FJ m2 Rds on hi Se E ma Rds on lo 2 90 KH me About Pt ES You must enter a number between 0 000 and 3 000 inclusive Vos Press ESC to revert to your previous entry Number of You must fix your error before you can edit another design parameter or calculate the design Or press the ESC key to revert to the previous legal input 8 7 Bode Plot Design Summary Plot Symbols Odb Cross Zeros Lon Cross N Poles Phase Margin 133 6 1 155 13 kHz Gain Margin o Infinite
68. f the Operating Memory to the matc TOUT_OC_FAULT_LIMIT g is treated as zero by the firmware When start up if there i TOUT_OC_FAULT_RESPONSE ps For both phases if multi phase that if detected will ca TOUT_OC_WARN_LIMIT fice OT_FAULT_LIMIT OT_FAULT_RESPONSE OT_WARN_LIMIT PREBIAS_MAX MFR 16 UT_FAULT_LIMIT UT_FAULT_RESPONSE UT_WARN_LIMIT VIN_OFF o bytes is a bit mask with each bit representing the type of err IN_ON recorded external temperature and a bit that can be set toc VIN_OY_FAULT_LIMIT VIN_OY_FAULT_RESPONSE VIN_OV_WARN_LIMIT name abbreviation or symbol that identifies the unit s manu es to which the output may be loaded OT_FAULT_RESPONSE Instructs the device on what action to take in overtemperature Fault Fusion Digital Power Designer v1 3 13 2007 06 28 UCD9112 Firmware v1 0 42 2 Fusion Digital Power Designer UCD9112 Texas Instruments Plant Parameters vin 10 000 F y Fs 00 0 5 kHz u oso Em System Rds on hi 7 90 E ma Continuous O Discrete Plot O Plant O Compensator Loop Note Non Linear Coefficient Row Overrides Entered Edi About Phases Number of Phases 2 For OCR L Rds on hi and Rds on lo enter the actual component value and rating from the design For this dual phase device the evaluation of the plant wil adjust these with the correct effective value based on the multiple phases
69. ficients using the Reload Reset Design button described in Section 8 9 Thus calculated design coefficients and configuration are only loosely coupled you control when hardware coefficients are written to you can set the compensator design from hardware on demand and you can manually edit hardware coefficient values at any time Texas Instruments Page 44 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 11 UCD91XX Design Errata 8 11 1 UCD91XX Loop Response Components Power Stage Gstage Controller Gcla1 Gdelay1 Gdelay2 Gdiv Keadc Kowm Loop Power Stage Controller Power Stage Gplant Transfer function for the power stage circuit consisting of the FET switches LC output filter and load V _ in Le s TT R Ls Z s 7 s Z S R Z s L l Z s R Leilene 1 Zo ESR t ESL s C Gdiv Transfer function for the VOUT sense divider and it s capacitive filter network Vero RAS R G sense Tv RRC C s R R out Compensator Gcla1 s Transfer function of the CLA stage in the continuous s domain Refer to the Tl application report Designing the Digital Compensator For UCD91xx based Digital Power Supply for details Gcla1 z Transfer function of the CLA stage in the discrete z domain b z b z b Goat Z z z 1 Gdelay1 s Phase shift due to the delay due to the error ADC and the CLA Gdoray1 5 sere Lan 0 242 T Texas Instrument
70. figuration import Please keep the following important points in mind when importing a PMBus configuration 1 On the page after this one you will have the opportunity to review what parameters will be imported and can cancel the import or select a sub set of parameters to import 2 When a configuration parameter is imported the GUI writes the imported value directly to the device For most parameters this means only the device s RAM is updated But some parameters as outlined in section 6 2 write directly to flash memory The wizard log will inform you whether a parameter was written to RAM or flash 3 If you want to commit your device s new operational memory RAM configuration to flash you will need to click the Store RAM to Flash button in the Configure task You have two options when importing PMBus configuration 1 Only write PMBus parameters that differ from the current value in operational memory This is the default This mode basically does a diff on the project and device configuration It selects only those parameters that differ to be written This mode may start a little slower but will write much more quickly If the GUI has never read all parameters on the device for example you have not clicked the Configure task during this GUI session will first need to cache all parameters on the device 2 Write all parameters to the device regardless of whether the project file value differs from the device value
71. gital Power Designer UCD9240 Rail 1 Texas Instruments 101 K i File Device Debug UCD9240 Address 91 Rail 1 voltage Configuration Basic Configuration Advanced Configuration Phase Rail Configuration CLA Banks Command Code alue Edit Hex Edit gt Calibration gt Configuration Store RAM To Flash gt Limits gt Manufacturer Info Restore Flash to RAM e On Off Configuration ON_OFF_CONFIG 0x14 0x14 SEN OPERATION 0x40 0x40 Commands Only POWER GOOD Or 0 9003 y oxoe66 Group by Category POWER_GOOD_ON 0 9803 y oxOFAE Sort Parameters By TOFF_DELAY 1H ms 0xBAEO TOFF_FALL 2H ms 0xc265 TON_DELAY D Lime oxABb4 TON_MAX_FAULT_LIMIT 34 ms oxezis Command Name Command Code TON_MAX_FAULT_RESPONSE 0x00 0x00 TON_RISE 14 E ms 0x0399 READ_DUTY_CYCLE 0 OxAB92 READ_IOUT_1 0 004 0x8000 READ_10UT_2 0 00 A 0x8000 Monitor READ_IOUT_2 Transaction Log y Configure Measured output current in amperes Phase 2 Current Fusion Digital Power Designer 1 3 10 2007 06 20 UCD9240 Firmware v2 5 0 816 2007 06 13 USB Adapter v1 0 5 d Texas InsTRUMENTS fusion digital power Figure 9 Advanced Configuration Group by Category UCD9240 Texas Instruments Page 26 Fusion Digital Power Designer User s Guide For Version 1 3 23 By default the advanced configuration form organizes parameters into several categories Categories can be collapsed by clicking it
72. gital Power Designer Offline Mode he 5 9 Help and Support an Microsoft Office Texas Instruments Home Page Run ICH Moved gt 13 Uninstall Log Off mmuegel 0 Turn Off Computer Offline mode launches a wizard similar to the online project import wizard described in Section 9 You have two choices open an existing project or create a new project d Fusion Digital Power Designer Offline Mode Startup Create New Project or Open Existing Project Do you want to edit an existing configuration design or create a new one Open Existing Project O Create New Project E Cancel Figure 27 Offline Mode Startup Wizard Texas Instruments Page 61 Fusion Digital Power Designer User s Guide For Version 1 3 23 10 1 Open Existing Project Select this mode to review or edit a project file you or an associate previously saved using File gt Save Project As Once you click Next the project file picker is displayed from which you can select a project file Remember that project files should use the xml extension The GUI will automatically detect the type of device that the project file contains such as a UCD9112 versus a UCD9240 10 2 Create New Project This mode creates a new project using the factory defaults for each PMBus configurable parameter This is a great way to experiment with the GUI or review the capabilities of a particular TI digital power controller without an actual device
73. he Crossover 59 84 kHz 4 180 Cross X Poles ee application Likewise these overrides will be embedded in any project file you save or load Reload Reset Design The trapezoidal rule is used to convert between Kp Ki and Kd and coefficients b0 b1 and b2 Magnitude Loop System Continuous Discrete Plot ae L Compensator Calculated Coefficients De 1 077 by 2 051 by 977 Make All Linear 2 Loop H Symmetric overrides E g entering gains For bin 2 also enters negated gains in bin 2 Write to Hardware Gain dB Bin N N 1 N 2 Click Checkbox to Override a Bin Using Gains 1 000 10 000 100 000 e 1 Frequency Hz A 21 600 10 440 a Get o Val I i o TOO E ER ER E GA GA CH CH ER Note Non Linear Coefficient Row 9 18 900 9 135 Overrides Entered Edit 8 16 200 7 830 a co o uo o D sO Ve o Si o 13 500 6 525 10 800 4 020 w o ww ol ER H ER A ER Angle Degrees 5 Monitor 5 8 100 3 015 y o 5 400 2 210 7 Configure 2 051 1 000 10 000 100 000 0 0 Frequency Hz Plant Compensator Yoltage Feedback Current Sense Table Edit Bode Plot Bode Data Schematic j Fusion Digital Power Designer v1 3 14 2007 07 01 UCD9112 Firmware v1 0 A0 2007 05 16 Offline Edit Not Saved lt gt Security Texas Instruments fusion digital power Non Linear Symmetrical Over
74. his 3 616 16 408 form 7 539 14 357 6 462 12 306 i e f the design is not stable or produces a calculation error this 5 385 10 255 a form will show blank cells in all bins You will not be able to 4 308 8 204 i write the table until you fix your design 3 231 6 153 2 154 4 102 1 077 2 051 0 0 1 077 2 051 2 154 4 102 3 231 6 153 4 308 8 204 5 385 10 255 6 462 12 306 7 539 14 357 8 616 16 408 E 7 6 5 4 3 2 1 o 1 2 3 4 5 6 7 8 Texas Instruments Page 47 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 11 3 Table Edit Feature The design calculates coefficients b0 b1 and b2 With a linear design these map into bin 1 of the UCD91XX coefficient table with all other table bins calculated based on these coefficients The table shown in the preceding section is an example of a linear table In this example Coefficients bO 1 077 b1 2 051 b2 977 Bin 1 N 1 077 N 1 2 051 N 2 977 Bin 8 N 8 b0 N 1 8 b1 N 2 8 b2 N 8 616 N 41 16 408 N 2 7 817 The Table Edit tab provides a way to make one or more rows in the generated coefficient table non linear You do this by entering a set of PID gains for a particular row overriding the calculated linear bin Note that while the PID gains are entered in continuous terms in the compensator tab they are entered in discrete form here In the following example bins 2 through 4 and 2 through 4 have
75. if detected will cause A CLA coefficient row three coefficients Selects the phase to enable Used to adjust the operation of fan 1 contained in the PMBus device or in the host system Used to configure up to four fans associated with one PMBus device Fan speed limit in RPMs If the fan speed is below this when the Fan is marked as installed then it Switching Frequency in kHz of a PMBus device Ratio of the voltage at the current sense pins to the sensed current Most often used in conjunction with the IOUT_CAL_GAIN command to minimize the error of the cu Sets the value of the output current in amperes that causes the overcurrent detector to indicat Instructs the device on what action to take in response to an output overcurrent Fault Sets the value of the output current that causes an output overcurrent warning Specifies what mode light load processing is in Static dual phase system stays in dual phase mo Shutdown reasons The first two bytes is a bit mask with each bit representing the type of error t Two items the current maximum recorded external temperature and a bit that can be set to clear Value of the output inductor For current ripple calculations in pH Maximum duty cycle of the unit s power conversion stage Unit s date of manufacture as ASCII text Manufacturer s ID as ASCII text name abbreviation or symbol that identifies the unit s manufact Maximum rated value
76. in amperes to which the output may be loaded ASCII text identifying the Facility that manufactured the unit Figure 13 UCD9112 Security Security On State 9 Texas INSTRUMENTS fusion digital power Note how the security bitmask can not be edited anymore as shown by the grayed out rows in the bitmask editor In other parts of the GUI if an operation would be affected because a command is write protected and security is on this will be shown by a lock icon and grayed out state For example if LOGGED _FAULT and LOGGED_MAX_TEMPERATURE are write protected and security activated on a UCD9112 you would see these changes in the GUI Status Registers Vouk Vum Temp Tout Power Good OK Comm OK Fans Logged Faults OK A Clear Logged Faults button locked Mone Installed LOGGED_FAULT MFR 26 LOGGED_MAZ_ TEMPERATURE MFR 25 4 Fusion Digital Power Designer UCD9112 File Debug Dashboard Showt On Off Configuration Y Security Login I Download Firmware A Clear Max Recorded Temperature Fit Refresh All Parameters O vi Soft Reset Device Background Polling Clear Max Recorded Temperature function in the Device menu locked OO 0xEA A GEO Low level editors for LOGGED_FAULT and LOGGED_MAX_TEMPERATURE in the Advanced Configuration tab locked Texas Instruments Page 31 Fusion Digital Power Designer User s Guide For Version 1 3 23 Of course the GUI is not the
77. ing checkboxes on the left side of the form directly above the Stop Polling button 5 2 Control Operation and Margin Note that clicking Control Operation or Margin will cause an immediate write to hardware Any one of these may be grayed out disabled from user input depending on the current setting of ON_OFF_CONFIG and in the case of Margin the on off setting of OPERATION ON_OFF_CONFIG can be set under in Configure or by selecting On Off Configuration in the Device menu For example if ON_OFF_CONFIG Is set as follows Bit 4 ei 0 Unit powers up any time power is present regardless of state of the CONTROL pin 0 1 Unit does not power up until commanded by the CONTROL pin and OPERATION Then Control and Operation will be disabled since their values are don t cares to the hardware and setting them will not have any effect Margin can still be set however Cont 2 Nope Clow C High 5 3 Polling Status If you are curious to learn more about what is being polled in the background you can bring up a stand alone polling Status form using by selecting Background Polling Status from the Device menu 43 Fusion Digital Power Designer UCD9112 File Moni Dashboard Showt On Off Configuration Securty Logi I Clear Max Recorded Temperature Set Output Yoltage Limits 9 FR Refresh All Parameters C Sca Wid Soft Reset Device Background Polling v Shtwy vu uur
78. interval is 500 milliseconds Note that this is a true interval and not a delay between polling cycles If it took 200 msec to perform a polling cycle the GUI will pause 300 msec before starting its next cycle Polling occurs in a separate Windows thread and will not interfere will other activities such as device configuration 5 1 Monitor Components Below is a sample monitoring screen for a UCD9112 dy Fusion Digital Power Designer UCD9112 Texas Instruments File Device Debug UCD9112 Address 8 Monitor Dl Show Hide Plots Readings Yin Input Yoltage Yolts x Yout Ouput Yoltage Yolts Keng SS OY Fault 14 000 FJ Y OV warn 13 188 7 Y OVF 1 2504 Y Om 1 150 4 uw 0 850 fH Y vin vout vin 12 250 15 uve 0 750 E y Tek Temp Temperature Max Recorded Temp zi i Fit All Plots on Screen Switching Frequency 500 Khz i 12 250 Y O Scale Plots to Screen Tout 0 00 A Width Phase 1 Iout 0 00 4 200 Y Phase 2 Iout 0 00 A Fan Speed 0 RPM Status Registers Show Yalue Labels 9 3 J on Plots Vout Vout OY fault Yout OV warning Vin OK Temp OK 0 i i i i 0 i HZ KEENT lout OK 12 00 12 20 12 40 13 00 12 00 12 20 12 40 13 00 E d Power Good Power good off Comm OK Tout Output Current Amps x Temperature Degrees Celsius x Fans None Installed OC Fault 44 00 EJA oC wan 42 00 EA OTF 120 Kec oTw 110 ec urw 30 E c Logged Faults Yout
79. iting the value 10 000 0 Khz 02271 IOUT_CAL_OFFSET_1 0x29 to the UCO9112 Address 6 Please verify that the value ou entered is within the UCO9112 s allowable range For IOUT _CAL_OFFSET_ 2 0x39 FREQUENCY _SWITCH IOUT_OC_FAULT_ LIMIT Oxw46 3 attempts were made To try writing the parameter again click this icon or the Apply rite button somewhere on this IOUT_OC_FAULT RESPONSE Ox47 Form And in the transaction log would have an entry like the following Transaction Log 08 05 30 Error Writing FREQUENCY SWITCH 10 000 0 Khe Ox2271 NACK The GUI attempts to write each parameter up to three times before giving up This ensures that if a write is NACKed it is likely because the value is either out of range or the device is currently rejecting writes due to some other factor ES Not all parameters are written to RAM Some write directly to flash memory The Store RAM to Flash and Restore Flash to RAM buttons will have no effect on these parameters Commands that write directly to flash are listed below Please refer to your device s data sheet for additional information UCD9111 UCD9112 LOGGED_FAULT MFR 26 LOGGED_MAX_TEMPERATURE MFR 25 MFR_DATE MFR_LOCATION MFR_MODEL MFR_REVISION MFR_SERIAL USER_DATA_00 VOUT_SCALE_LOOP VOUT_SENSE_UPPER_RESISTR MFR 02 UCD9240 None The transaction log will indicate when a parameter is written directly to flash For example on the UCD9112 when MFR_ID is written 15 32 46
80. l of a device has a set of coefficients stored in a series of tables UCD91XX or banks UCD92XX The device dynamically selects which coefficient tables or banks to use based on its current operational mode The following summarizes the coefficients on each device supported by the GUI UCD91XX The UCD91XX has two programmable coefficient lookup tables Tables are first stored to the devices RAM similar to other PMBus parameters You can review the impact of a design change on power supply operation this way When you want to make your changes non volatile you must save the device s configuration to flash CLA table 1 is used during normal regulation mode CLA table 2 is used during soft start and soft stop voltage ramp See Tl application report Designing the Digital Compensator For UCD91xx based Digital Power Supply for more information about the UCD91XX CLA and the design of its coefficient set section 8 11 covers features specific to the UCD91XX device family UCD92XX UCD92XX devices have three programmable coefficient banks for each output voltage rail power supply output These banks are flash based Bank 0x0 is used during soft start and stop bank 0x1 during normal regulation mode and bank 0x2 during light load operation In operation the UCD92XX copies the coefficient values stored in flash to one of two sets of registers dynamically based on what operation mode the device is in normal soft start stop or light load You can a
81. le only takes a snapshot in time If you change your configuration through the GUI later on any project file you previously saved is not updated The E Mail Project feature is a time saver if you intend to e mail the project file and don t really need a copy of the file on your PC other than your e mail outbox It will create a new message in your e mail client insert a default subject and create attach the project file to the message ge UCDS9112 Project Message jol xi 3 a 1209112 Project Jucpa112 Project xml 55 KEY achment Options 4 g amp 23 Options HTML H Marc here is the project file we discussed Regards Mike Michael 5 Muegel Texas Instruments Dallas TX Figure 18 E Mail Project Sample Microsoft Outlook 9 3 Importing Project Files In online mode project files are not really opened so much as a section of the project file is imported Select Import Project from the File menu da Fusion Digital Power Desig Save Project As lo E Mail Project tir Preferences le About pe a Exit k acae Ps LU reen This will launch the Import Project Wizard form in a new window Texas Instruments Page 54 Fusion Digital Power Designer User s Guide For Version 1 3 23 4a Fusion Digital Power Designer Project Open Wizard Select Project File Project File C Documents and Settings x0065168 Desktop UCD91 12 Project Experiment 2 xml Select File Manually locate a proj
82. lso manually activate a flash bank through the design tool allowing easy review of design change impact on hardware operation See UCD9240 Digital Point of Load System Controller Device and EVM Description for more information about the UCD92XX CLA and design theory Section 8 12 covers features specific to the UCD92XX device family You do not have to be connected to your target device to develop its CLA designs Please review Section 10 Offline Mode if you would like to work on your design offline 8 2 Design User Interface Overview The majority of the design user interface remains the same regardless of the device you are designing for The figure on the next page summarizes generic design features Texas Instruments Page 34 Fusion Digital Power Designer User s Guide For Version 1 3 23 Select CLA Table Bank Change the set of coefficients you are designing for ty Fusion Digital Power Designer UCD9112 Texas Instruments Design Table 1 Regulation Table 2 Soft Start Stop Design Summary Auto Calculate Plant Parameters Phase Margin 133 5 155 91 kHz Plot Symbols Yin 10 000 E y Vout 1 000 E y Gain Margin co Infinite e 0dB Cross O Zeros Review Table Crossover 155 91 kHz 4 180 Cross X Poles Eer 500 0 kHz ot 20 00 H A Reload Reset Design Sa Ce Magnitude Loo Li 0 500 H pH DCR 1 100 H ma 9 p Batol Rds on hi 7 903 mo Rds onlo 2203 ma 2 Continuous O Dis
83. make the entire table linear Texas Instruments Page 48 Fusion Digital Power Designer User s Guide For Version 1 3 23 The trapezoidal rule for integration is used to derive the relationship between Kp Ki and Kd and bO b1 and b2 b K K Kp K _ b b 3Db b K K 2K i 2 b K BCEE When the GUI loads a compensator design from a hardware coefficient table such as when you click Reload Reset Design or when the GUL is first run a set of bin overrides is created based on a comparison between bin 1 and every other bin For example on the factory UCD9112 EVM table 1 is symmetrically non linear while table 2 is linear The default compensator design for table 1 will automatically show a set of table overrides to reflect this d Fusion Digital Power Designer UCD9112 Offline Edit Texas Instruments Fie Device Debug UCD9112 Offline Table 1 Regulation Table 2 Soft Start Stop Design Summary Auto Calculate Use this Form to manually override one or more rows in this design s coefficient table generated Phase Margin 76 9 59 84 kHz Plot Symbols using Linear Control Design approach Each row of the coefficient table can optionally be made non linear by specifiying the gains of the PID terms on a row by row basis When you override a Gain Margin 7 08 dB 199 64 kHz e OdB Cross O Zeros Review Table row the setting is sticky and will remain in effect even if you change your design or quit t
84. mber password Don t show this Form on startup Figure 15 GUI Startup Security Automatic Login Disable Form If you use the remember password feature your password will be stored in the clear on your PC s hard drive inside the GUI s preferences file 7 5 Security Commands The GUI uses three Tl manufacturer commands to manage security SECURITY_BIT_MASK SETUP_PASSWORD and DISABLE_SECURITY The GUI hides implementation details of these commands through its security forms For more information about these commands refer to the appropriate application note for your device e UCD91XX Configuration Security for the UCD91XX Digital Controllers e UCD9240 this device is in development security to be available in a future pre production release You can only edit the security bitmask and configure the security password through the security task The advanced configuration editor does not provide direct access to these commands 7 6 Security is Flash Based When you set update the device password update the security bitmask or turn off security the change is written directly to flash memory on the device There is no need to execute STORE_DEFAULT_ALL for security commands 7 7 Security in Offline Mode When you open a project file in offline mode for a device that has security activated the security bitmask will be retained and enforced you will see the icon next to any write protected Commande You can emulate activating a
85. nd deactivating security in offline mode through the Turn On Security and Turn Off Security buttons Clicking these buttons will not request a password and will only simulate turning security on and off You can edit the security bitmask when security is virtually disabled If you later import the file in online mode your new security bitmask will be written to the device Of course if you don t actually have the device password this part of the import will fail Real security activation and deactivation can only be performed while connected to the EVM Turning security on and off in offline mode does not bypass the EVM security in any way nor allow any backdoor writes to protected parameters Texas Instruments Page 33 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 DESIGN 8 1 Design 8 Hardware Overview The Design task is used to create a set of Control Law Accelerator CLA coefficients for your target device s digital Pulse Width Modulation PWM controller s The general workflow of the design task is e Define your power stage transfer function the plant model e Define the loop compensation by specifying the gain and zeros of the CLA On select hardware you will also specify poles Alternatively you can specify the PID gains of the compensator e Adjust your design parameters until your desired crossover phase margin and gain margin are reached on the control loop gain Bode plot Each output rai
86. ner User s Guide For Version 1 3 23 3 GETTING STARTED 3 1 PC Requirements The GUI requires the following e APCrunning Windows XP e Microsoft NET Framework version 2 0 Microsoft NET is the runtime application framework that the GUI uses The GUI s installer will check to see if you have version 2 0 of NET installed on your PC and install it if necessary 3 2 USB Adapter The EVM is attached to the PC through a Texas Instruments serial bus adapter part number HPA172 You should have received this adapter with your EVM The serial adapter must be running firmware v 1 0 5 or higher If your adapter s firmware does not meet this requirement you will receive a warning message when you first start the GUI The GUI can be run in Offline mode without the serial bus adapter which lets you edit an existing device configuration or experiment with a default virtual device See Section 10 for more information about the GU s offline mode 3 3 Download amp Installation The latest version of the Fusion Digital Power Designer can be found on the product page for supported digital controllers under the Tools Software section For example http focus ti com docs prod folders print ucd9240 html Tools amp Sofware 2 Name Part Company Software Tool Type T1 Fusion Digital Power Designer 1 3 7 Rev A slucilSa zip 4717 KB J 26 Jun 2007 e Download the ZIP file to your hard drive You do not need to unzip the ZIP
87. ng This includes readings and status registers Click to stop polling and click again to restart polling This can also be managed in the Device menu e The items in O through O are collectively referred to as the dashboard You can view these in a stand alone form by clicking the Launch Dashboard button This is especially useful when you are in the Configure task and want to keep your eye on device readings You can also launch the dashboard through the Device menu Here is an example of the dashboard on a UCD9240 configured for four phases on output rail 1 and two phases on output rail 2 12 828 Y 0 997 Y Tout 4 52 4 2 89 4 0 66 A Status Registers Vout Vin OK Temp OK Tout OK Power Good Power good off Comm OK Clear Faults 2 On C Immediate Off No Sequencing O Soft OFF With Sequencing None low High 4a Fusion Digital Power Designer UCD9240 Rail 1 Texas Instruments l Fie Device Debug UCD9240 Address 91 Rail 1 v fer E Configure Store RAM To Flash Restore Flash to RAM Show Paged Commands Only y Sort Parameters By Command Name O Command Code Design Command Code Yalue Edit voltage Configuration Basic Configuration Adwanced Configuration Phase Rail Configuration CLA Banks Hex Edit wW Calibration IOUT_CAL_GAIN_1 IOUT_CAL_GAIN_2 IO
88. o beyond one of these limits you will hear beep If you type an invalid entry using the keyboard you will hear a beep and see a special icon 83 If you have typed in a bad value you will only be informed of the error once you move away from the editor in question pressing the TAB key or clicking elsewhere on the form will trigger the GUI s validation of your input For example VOUT_COMMAND must be greater than or equal to zero If you typed in 1 and then tried to write your new value to the device the GUI would beep at you and show a amp icon next to the offending input You can move your cursor over the icon to learn more Vout 1Jo00 HH y 1 120 EJ y out Margin High Oyer Current Invalid alue For OUT_COMMAND You must enter a number between 0 000 and 2 048 000 5 o po inclusive out Margin Low 0 6 Vouk Transtion Rate tes TF you would like to undo your change click this icon You must fix your error before you can perform any other actions in the GUI The simplest way is to click the amp icon This will discard your change and revert back the value last read or written to the device Alternatively you can press the ESC key to discard your edit The device will handle most range checking for numerical values The GUI is fairly dumb in this regard except for obvious examples like VOUT_COMMAND and where the underlying encoding enforces a limited range of values An example of the later i
89. onfiguration you will be prompted to save your project In general think Microsoft Word we ve mimicked how common Office applications work You can save your project at any time and even save to different project files in the same session Project Ver vm Project Ver2 xml etc The project files are never written to unless you request it And the GUI prompts you at exit to save any unwritten changes 10 4 File Operations in Offline Mode e Open Project Used to change project files You can only open a project for the same device you are editing For example if you are editing a UCD9112 Device Debug project you can not open a UCD9240 project If you want to edit a different i device you must quit the GUI and restart it in offline mode 43 Fusion Digital Power Desi Open Project E Save Project e Save Project If this is a new project the GUI prompts you to enter a filename to save to For an existing project the GUI overwrites the project file Save Project As fi that was last opened or saved E Mal Project e y Save Project As The GUI prompts you for a new filename and saves the Preferences project The new filename will appear in the GUIs footer and will be used if About 1 you do a Save Project in the same session H Exit e E Mail Project Saves the project to a temporary file composes a new e mail mo message using your e mail client and attaches the project file to it
90. orm These rounded coefficients are also used to calculate the loop response of the system The loop response therefore more accurately simulates the power supply performance Texas Instruments Page 52 Fusion Digital Power Designer User s Guide For Version 1 3 23 9 PROJECT FILES 9 1 Project File Overview A Fusion Digital Power Designer project file holds a snapshot of a device s PMBus parameters and the current design input parameters from the Design task Both read only and read write PMBus parameters are saved in the project file some of the uses of project files include e You can experiment with different device configurations and easily revert back to an older configuration by importing all or part of the project file s configuration e You can exchange a device configuration and or design with a co worker partner or Texas Instruments Support personnel e You can review your device configuration or work on it s design offline without the need for the EVM to be connected to your PC through the GU s offline mode See Section 10 for more information e You can create scripts to extract important parameters from a project file to automate testing or other activities The project file uses the Extensible Markup Language XML format a richly structured text based data exchange language There is an important distinction between CLA hardware coefficients and design inputs As described in Section 8 the designs
91. over voltage SS SS SE ge Show Warn amp Fault Limit Editors Stop Polling e e UTF 40 EH ec Clear Faults Clear Logged Faults i operation O On 5 d A D Configure Immediate OFF No Sequencing O Soft OFF With Sequencing gt Security i A 0 S i Design wW 12 20 12 40 12 00 12 20 12 40 13 00 Fusion Digital Power Designer v1 3 9 2007 06 18 UCD9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 d Texas INSTRUMENTS fusion digital power Figure 2 Monitoring Task UCD9112 O Monitor Control Use this area to configure monitoring e Click the Vin Vout etc checkboxes to show or hide plots Or click the x symbol next to a plot to hide it e By default all selected plots will be scaled to fit on the screen You can click the Scale Plots to Screen Width button to make the plots a constant width and adjustable height e You can control whether the over under warning and fault limit editors are shown on the form They are shown in the screen shot above See for a description of each limit e On plots the latest reading is normally shown For example in the temperature plot 38 C is the last value read and plotted Uncheck this to hide the reading label on the plot Texas Instruments Page 13 Fusion Digital Power Designer User s Guide For Version 1 3 23 e The Stop Polling button will turn off all background polli
92. pacitor Legs uF ESR ime ESL nH gt 42 000 2 000 0 600 470 000 a 00 1 500 2 000 2 000 0 500 Add Mew Leg Delete Selected Leg Figure 17 Plant Inputs UCD9112 Defaults The number of converter phases for each output rail will be factored into the plant response calculations The series connected components in the plant L DCR RDS on hi and RDS on lo are automatically adjusted based on the number of phases specified for that output voltage rail The actual component values for a single phase should therefore be entered Because the capacitors are typically connected in parallel it is not necessary to have a fixed number of capacitors per power stage Therefore the tool does not automatically adjust the total capacitance based on the number of phases you should enter the total number of each type of capacitor connected to the output voltage rail On a multi rail device as you change output rails the Number of Phases label shown in the Plant box will be updated to reflect the number of phases specified for the new rail on the Phase Rail Configuration tab Vout and Fs are linked to the VOUT_COMMAND and FREQUENCY_SWITCH PMBus parameters for the output rail You can modify them directly with the form and the change will be reflected with the design when it recalculates Your change will not be written to hardware however until you click the Write to Hardware button on the left side of the form Remember that Vout and F
93. ple and out Sum in the the UCD9240 sample are examples of this all phase reading Because of delay between each read from the device the total lout reading may not add up to the summation of the individual lout phase readings Reported and plotted temperature is always the temperature as reported by the external temperature sensors not the die temperature of the device Texas Instruments Page 14 Fusion Digital Power Designer User s Guide For Version 1 3 23 Device specific reading notes Readings UCD9240 in 12 020 Y rn ae e Temperature for each phase on the DPWM is reported in addition to the EC maximum temperature for all phases Phase 2 2 04 A Phase 3 069A e What phases are shown is determined by the settings of the Phase 4 0 754 PHASE_INFO command DPWM phase rail mapping is defined in the Us Configure task under the Phase Rail Configuration tab UCD9111 UCD9112 Wout 1 004 Y Vint 12 250 Y e Max Recorded Temp corresponds to the EE LOGGED_MAX_TEMPERATURE manufacturer parameter which is Switching Frequency 500 khz always stored to flash memory When the external Iert aba g temperature reaches or exceeds OT_WARN_LIMIT Ree SE LOGGED_MAX_TEMPERATURE will be updated means the temperature was always less than OT_WARN_LIMIT You can clear the vm eg maximum recorded temperature by selecting Clear Max Recorded Vin 12 250 Y Temperature in the Device menu Temperature 38 DC Max Recorded Temp
94. rides As the design is recalculated these overrides will stay in effect Note that bin 1 1 is not overridden this will be updated as you change your design This allows the steady state behavior of the CLA and the power supply output to be controlled by the designed coefficients in 1 1 bins The entries in the other bins 2 8 are modified to control the transient behavior of the CLA and hence that of the power supply output Thus the GUI allows you to tune the compensator for both the steady state and transient operation by generating a non linear controller and then maintain these settings in your design preferences or project file Texas Instruments Page 49 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 12 UCD92XX Design Errata 8 12 1 UCD92XX Loop Response Components Power Stage Gstage Controller Gcla1 Gcla2 Gdelay1 Gdelay2 Gdiv Keadc Kpwm Kafe Knonlinear Loop Power Stage Controller Power Stage Gstage Transfer function for the power stage circuit consisting of the FET switches LC output filter and load lant Vin Zeq 8 plan R Ls Z s Aller d zofs oe Z S R Ll 1 Le ESR S ESL o s C Compensator Gcla1 z Transfer function of the first order CLA stage 2 6 3 SE Z A Z A Gcla2 z Transfer function of the second order CLA stage EES E Z A Gdelay1 s Phase shift due to the delay due to the error ADC and the CLA G s ee sae ene elay
95. right of the entry box You can reset the plant and or compensator inputs at any time using the Reload Reset Design button on the left side of the design form This is covered in more detail in Section 8 9 8 4 How Designs Are Saved When you start the GUI in online mode it will load if available the last design you worked on for the attached device How The GUI stores the last design for each device it supports in its preferences file see Section 3 5 Designs are keyed off of the device s part number UCD9111 UCD9112 etc If you have two different systems for the same part but configured for different PMBus addresses only a single design will be stored in the preference file If you need to switch between designs or would like to save the state of a particular design you can save your design to a project file You can then later import this design into the GUI or even work offline on your design away from the EVM See Section 9 Project Files and Section 10 Offline Mode The GUI maintains separate compensator design for each CLA table bank As you click the table bank tab at the top of the design form the compensator inputs you are editing may therefore change On a multi rail device such as the UCD92XX you can define different plant designs for each rail Each rail in turn has unique compensator designs for each CLA bank on the rail da Fusion Digital Power Designer UCD9240 Rail 1 Texas Instruments File Device Debug
96. riting to Device Finished Write Log Error Log Wrote YOUT_COMMAND 1 250 Y 0x0400 to RAM Wrote YOUT_MARGIN_HIGH 1 400 0x0B33 to RAM Wrote VOUT_MARGIN_LOW 1 100 Y 0x08CC to RAM Wrote VOUT_OY_FAULT_LIMIT 1 625 Y Ox0D00 to RAM Wrote VOUT_OY_WARN_LIMIT 1 500 Y 0x0C00 to RAM Wrote VOUT_UY_WARN_LIMIT 1 000 Y 00800 to RAM Wrote VOUT_UY_FAULT_LIMIT 0 875 Y 0x0700 to RAM Done Copy To Clipboard lt Prey l Next gt Figure 23 Project Import PMBus Configuration Write Log On the Monitor task we see our changes have taken affect in hardware Yout Ouput Yoltage Yolts D Device writes are ordered to ensure that any global configuration parameters are written first Writes are ordered as follows 1 PHASE_INFO is written 1st 92XX only 2 VOUT_MAX Zug 3 All other parameters are written 4 ON_OFF_CONFIG is written 2 to last 5 OPERATION is written last Within 2 5 writes are ordered by rail number PAGE 92XX only Within 3 writes are ordered by PHASE and then alphabetically by parameter name This order does not correspond to the order shown in the parameter review form Parameters are sorted alphabetically there Texas Instruments Page 58 Fusion Digital Power Designer User s Guide For Version 1 3 23 On a device with multiple output rails paged parameters will have unique entries for each rail The following screen shot shows an example where OPERATION differs for two output rails
97. rity is activated on your device when you start the GUI it will prompt you for the password to temporarily disable security Why does this form appear It is assumed you are working on an EVM that you make frequent edits to write protected parameters and then hand off the EVM to other individuals or groups who should not have the same access If you do not have the password to the device or care not to enter it you can simply click the Skip Password button to hide the form Security Login UCD9112 Address 8 Security Login Configuration of this device has been password protected IF you know the password and would like to configure write protected parameters please enter the password now Device Password Skip Password Don t show this Form on startup Figure 14 Security Login Disable Form If you would prefer not to see the security login on GUI startup click the Don t show this form on startup checkbox Texas Instruments Page 32 Fusion Digital Power Designer User s Guide For Version 1 3 23 If you know the password and would like to automatically enter it when necessary at GUI startup check the Remember password checkbox before clicking the Enter Password button Security Login UCD9112 Address 8 Security Login Configuration of this device has been password protected IF you know the password and would like to configure write protected parameters please enter the password now Device Password eee ses Reme
98. rsnerersrirsrerisrurenrsrererinrnranrnrarananrsrerirernrrnrererrnrns 50 6 12 2 CLA Gains REVIEW len E el dl ai n 51 8 12 3 Floating Point CLA Gains Used for Loop RESPONSE cccccccsccsecssssrssesssessccsecsecsecsessessesseseasseseaseasaees 52 Y Project Files ni A A A o a 53 9 1 Project File OVA 93 9 2 SN le arden 93 Texas Instruments Page lil Fusion Digital Power Designer User s Guide For Version 1 3 23 9 3 li Genesedecdcaaeceatmedeaedceseas tuntqedesdccanceevpeaucagesigtece suoeaudeseeanscenmautiseneseeceens 54 Soak COMMOUPAMOMIIIDOR e o 59 10 ONE MA o e ee TO 61 104 Open EXSING Oelse laa 62 102 Create NEW EE eene italia 62 10 3 Differences between Offline amp Online Mode narco aro narrr canino 63 104 Fie Operations in MINS Mode sad 64 11 Device Reset amp Reconnect sssssuesunesuunnnennunnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nannan 65 Fick AULOMAUC DEVICE Reset Re EE 65 Za Dec Res OM e ea e 65 TES USBAdapier RECONNCCE iia 65 12 Mentee Eege 66 Ken A A 66 mz Deco MEN oa aii 67 Zo elle GETT dida 67 bla Cl is tte 68 14 References Related Material and LidkKS o onnnionnnoniniiciiocinocirccirrcrrrrrorrr rro rro rr 70 Texas Instruments Page Iv Fusion Digital Power Designer User s Guide For Version 1 3 23 Table of Figures Figure 1 GUI Download on UCD92XX Product Hage EE 6 Figure 2 Monitorma Task UGDITI Laia 13 Figure 3 Dashboard UCD O
99. s Page 45 Fusion Digital Power Designer User s Guide Texas Instruments Gdelay2 s Gdiv Keadc Kpwm For Version 1 3 23 Phase shift due to on time pulse width and the phase shift between multiple phases s e Zon Tonase T Vo T Nhe 1 T 1 duty s phase S Vin 2 N phases G delay 2 Transfer function for the VOUT sense divider and its capacitive filter network G Ss V sense L V T R r RR C C s R R out Gain of the 4 bit Error ADC in units of LSBs V Kona 200 LSBs V eadc DPWM modulator gain This accounts for the bit resolution of the DPWM output K n 2 K wm wm p p AEN A 1 N Log Ge d e Tre sHrPwm Tre strPwm 175E 12 seconds LSB Page 46 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 11 2 Coefficient Table Review Form Example vc The coefficients are read only in this view 43 Fusion Digital Power Designer Coefficient Tabl mg UCD9112 Design Coefficient Table 1____________ e The table updates when the design is recalculated This is a read only view of the coefficients that were generated See CHAE aR EET e You can override specific rows of the CLA table and make somewhere on your desktop It will be updated every time you click the Calculate button them non linear using the Table Edit feature described in the Bin M Hi nee next section Any non linear overrides will be shown in t
100. s are not stored in your design preferences or project file The current rail device value will be used the next time you work on this design Capacitors are entered using an Excel like grid Each type of capacitor defines a capacitor leg To edit a cell click the cell and then type in your new value The Legs column allows you to quickly replicate a capacitor For example the UCD9112 example shown uses this to specify 14 total capacitors using only three entries in the grid similar caps are paralleled and treated as one cap In auto calculate mode you must click another input box or hit the TAB key to indicate that you have completed your edit on the capacitor leg cell Texas Instruments Page 38 Fusion Digital Power Designer User s Guide For Version 1 3 23 When you click Add New Leg a single 1 uF capacitor leg will be added to the grid with 0 mQ ESR and 0 nH ESL The actual capacitor values can then be edited in the new row To delete a leg click on the leg s row and then click the Delete Selected Leg button Plant inputs are summarized below Vin Gate SS iesen Driver hb Roson Hi AAA R eee ee al S gt DCR Capacitor Legs L ars Jl ESR l ESOS alee V sense Vout 8 5 2 1 Current Sense Calculator Circuit Diagram DCH 1f400 Ame LG 1 000 KH hH 2 100 H 2 C 0 340 pF Texas Instruments Input Description Units Vin Input voltage
101. s the LOUT MFR 22 It is encoding as an unsigned byte representing the output inductor for current ripple calculations in uH divided by 10 Of course the GUI hides this encoding and lets the user enter a floating point number The GUI therefore sets a minimum of 0 and a maximum of 25 5 for LOUT translating to a byte encoded range from 0 to 255 6 3 2 String Editors Several PMBus parameters allow entry of ASCII strings These include MFR_LOCATION MFR_REVISION and USER_DATA_00 Just type in your string Hello World The editor will enforce a maximum string length and beep if you try to enter too many characters Refer to the data sheet for your device for maximum string lengths Texas Instruments Page 23 Fusion Digital Power Designer User s Guide For Version 1 3 23 6 3 3 Enumeration Editors Some parameters have a limited set of allowed values For these parameters you will select a value from a drop down For example for LIGHT LOAD ENABLE MFR 29 Dual Phase Dual Phase ais Single Phase neninn 6 3 4 Custom Editors Some parameters require a stand alone custom editor because of complexity or to make editing the parameter easy for the user A good example of this is the fault response parameters such as VOUT_OV_FAULT_RESPONSE As shown below clicking the button will show the custom editor in a popup window Y Fusion Digital Power Designer DIII TexasinstrumentsSSSSEPESEPEPrr a a Fusion Digital Power De
102. signer UCD9112 Texas Instruments REENEN Voltage Configuration Basic Basic Configuration Advanced Configuration Configuration Coefficient Tables Coefficient Tables Write to Hardware Discard Changes 1 000 a Response vout Margin High 1 120 Ev Over Current 42 00 FS 44 00 EJ a DxC1 y Warn Fault Response R Over Warn Fault esponse 110 120 a oc Temperature Over Voltage 1 200 KH 1 300 iv 0x93 Yout Margin Low 0 880 E Vout Transtion Rate 0 094 E mv us Restore Flash to RAM 0x81 v Ca Ca Desst Under Voltage 0 850 EY 0 800 7 y S SC _ Continue Without Interruption The device continues operation without interruption Soft Start amp Soft Stop 8 _ Continue Operation For ms Turn On Delay Sim Rise Time B If the Fault condition is still present at the end of the delay time the device restarts per the configuration below Shut Down Immediately Fault Response The device shuts down immediately disables the output configure restart below Turn On Time 15 H ms 0x81 v O Disable Output O The device s output is disabled while the Fault is present Operation E resumes and the output is enabled when the fault condition no longer Turn OFf Time 125 H ms exists No limit the device waits indefinitely for the output voltage to decay Restart C Do Not Restart The unit does not attempt to restart The output remains disabled until
103. t Hex Edit Command alue Edit Hex Edit Command Code alue Edit Hex Edit ALMOST_ZERO_MAX MFR 15 CAPABILITY CLF_EVENTS MFR 01 DEVICE_ID MFR 45 ENABLE_PHASE MFR 14 FAN_COMMAND_1 FAN_CONFIG_1_2 FAN_SPEED_FAULT_LIMIT MFR 24 FREQUENCY_SWITCH IOUT_CAL_GAIN_1 IOUT_CAL_GAIN_2 IOUT_CAL_OFFSET_1 IOUT_CAL_OFFSET_2 IOUT_OC_FAULT_LIMIT IOUT_OC_FAULT_RESPONSE IOUT_OC_WARN_LIMIT LIGHT_LOAD_ENABLE MFR 29 LOGGED_FAULT MFR 26 LOGGED_MAX_TEMPERATURE MFR 25 LOUT MFR 22 MAX_DUTY MFR_DATE MFR_ID MFR_IOUT_MAX MFR_LOCATION MFR_MODEL MFR_REVISION MFR_SERIAL MFR_TAMBIENT_MAX MFR_TAMBIENT_MIN MFR_YIN_MAX MFR_ IN_MIN OxDF Dx19 OxD1 OxFD OxDE 0x38 0x34 0xE8 0x33 0x38 0x38 0x39 0x39 0x46 0x47 Ox44 OxED DEA OxE9 OxE6 0x32 Ox9D 0x99 0x46 Ox9C 0x94 0x98 Ox9E OxA8 DxA9 Ox 41 0x40 0 300 H 0x90 50 AK UCD9112 1 0 All Phases 100 00 5 ES Es EJ Es 0x10 1 000 EY 500 0 EY 0 781 Y 0 781 3 D o Ei 2 o E 44 00 DCH 42 00 Dual Phase E En Ed EN EH E 0x000000 0x000000 0 5 Y as EY 070510 TI 48 00 Y DALLAS TX UCD9112 2 PH UCD9112 REVI UCD9112 SERI 125 Y 40 15 000 4 500 E RPM Khz m me A A HH K A HE AS Y v 0x0266 0x90 0x0032 3036313300 0x03 0x0064 0x10 0x03E8 0x01F4 OxB31F OxB31F 0x0000 0x0000 0x002C 0xC1 0x0024 0x01
104. t responsible nor liable for any such use Resale of Tl s products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service is an unfair and deceptive business practice and TI is not responsible nor liable for any such use Also see Standard Terms and Conditions of Sale for Semiconductor Products www ti com sc docs stdterms htm Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2007 Texas Instruments Incorporated Texas Instruments Page Fusion Digital Power Designer User s Guide For Version 1 3 23 Table of Contents 1 lt ADOUCTAIS USES UICC oe 2 1 1 Documented Program eS rana 2 1 2 COIN Me 2 1 3 User Interface Terminology PS sail aaa 2 1 4 Providing Feedback on this Users GUIAS ia aid 2 2 About Fusion Digital Power Designer iii ta 3 2 1 OS LOW ee 3 2 2 SUDO MSG TICO Tol Suri iii 3 2 3 BUTEN 3 2 4 Getting Device or Apocan SUDDOM EE 5 3 GENG ln geleed 6 3 1 A A 6 3 2 O Ma er eg A ne ee ere ene 6 33 Bownload amp Instalados 6 3 4 Staind EE 10 A a er E E o E E ee T SAT ACOMMEGHOMN Neel erer lu e A le 8 3 9 Program Sir a 8 3 6 Urol Pe canted vsedycesevuahsiaadete al iasts Sscadoeskaueence menace 8 3 7 Olli INSTA AUONS onthe EE 9 A USC INtertace EVEN 11 D gt Nep DE ee 13 5 1 lee REH 13 5 2 Control Operation and Marlon tada 17 53 FOUN
105. tal Power Designer CLA Gains Review UCD9240 Calculated CLA Gains This is a read only view of the CLA gains that were generated based on your design inputs You can leave this window open somewhere on your desktop It will be updated every time you click the Calculate button The form updates when the design is recalculated BOL xn Bll B2l x o gt All Y 421 Ypo 00386 0x092 0x021 0x00 3 00010 352344 6 24219 215391 0 58672 0 11325 E If the design IS not stable or produces a calculation error this form will show blank cells in all bins Y BIZ _y AIS E PLY Ox00EC Ox0F 14 Scaler 0x03 0 11523 0 11523 You will not be able to write the gains to hardware until you remedy your design e The calculated floating point coefficient term is shown below the fixed point version The fixed point terms use hex notation Texas Instruments Page 51 Fusion Digital Power Designer User s Guide For Version 1 3 23 e The scaler used to convert the floating point gains into fixed point is also shown 8 12 3 Floating Point CLA Gains Used for Loop Response The floating point coefficients displayed in the CLA review form shown above are based on the fixed point values that are written to the device s flash memory if you click the Write to Hardware button Thus the CLA gains take into account rounding errors due to the conversion from floating point to fixed point using the scalar shown in the f
106. tem selection page of the wizard da Fusion Digital Power Designer Project Open Wizard Select Project Items to Import What project items do you wish to load a Configuration Parameters Design 1 C Configuration Parameters Only Design Only How do you want to write the configuration to the device e Only write PMBus parameters that differ from the current value in operational memory O Write all parameters to the device regardless of whether the project file value differs From the device value In either mode you will be able to select a subset of the parameters in the next step oe CES Cae Figure 20 Import Project Wizard Item Selection Texas Instruments Page 55 Fusion Digital Power Designer User s Guide For Version 1 3 23 This form is used to broadly define what items to import from the selected project file O e PMBus configuration and design parameters e PMBus configuration only e Design parameters only PMBus configuration means all PMBus configurable and writable parameters on the device with the exception of the device s security password While the device s security bitmask can be imported the security password can not be imported and must be set via the Security task Design input parameters can also be imported This means plant design parameters for each output rail and compensator parameters for each CLA bank table on each output rail The second section of the form selects how to manage PMBus con
107. the fault is cleared 7 Monitor YOUT_OY_FAULT_RESPONSE Restart Up To 2 Times Instructs the device on what action to take in response to an The device attempts to restart up to the specified number of times Security overtemperature Fault If the device Fails to restart the fault condition is no longer present and the device is delivering power to the output and operating as programmed in the allowed number of retries it disables the output and remains off until the Fault is cleared Fusion Digital Power Designer v1 3 9 2007 06 19 UCD9112 Firmware v1 0 42 2007 06 13 USB Time between the start of each restart attempt 3 E ms ital power Design C Restart Continuously The device attempts to restart continuously without limitation until it is commanded OFF by the CONTROL pin or OPERATION command or both bias power is removed or another fault condition causes the unit to shut down Figure 6 Over Voltage Fault Response Editor UCD9112 Click anywhere on the form to hide the editor or click the close button Many editors grey out disable input certain combinations of input that are illegal or are don t cares For example in the VOUT_OV_FAULT_RESPONSE example above the continue operation time is disabled because it is not used when shut down immediately is selected Texas Instruments Page 24 Fusion Digital Power Designer User s Guide For Version 1 3 23 The editor s pull
108. the menu name means that a modal dialog box be displayed You won t be able to get back to the GUI until you close the dialog box 12 1 File Menu Open Project Offline mode only Used to change the project file you are editing You can only edit a project for the same device you currently have loaded For example you can not open a UCD9240 project file if you previously opened a UCD9112 project You must quit the GUI first See Section 10 4 Import Project Online mode only Starts the project import wizard You can import all or part of a PMBus configuration all CLA designs or both See Section 9 3 Save Project Offline mode only Saves your project Prompts for a filename if this is a new project or overwrites the currently open project file See Section 10 4 Save Project As In online mode saves a snapshot of your device s PMBus configuration and your CLA designs to a project file In offline mode saves the current project to a new filename and makes this the default for future invocations of Save See Section 9 2 for online mode and 10 4 for offline mode E Mail Project Takes a snapshot of your PMBus configuration and CLA designs and attaches it to a new e mail message See Section 9 2 Preferences While most program preferences are set as you use the GUI for example your latest designs are a program preference there are a few preferences you can set using this form Exit Same as clicking the close b
109. ting shown here 8 3 Design Defaults The first time you launch the GUI it will load a default set of design inputs These inputs come from three places e Most plant parameters use a set of defaults based on the factory EVM for the device The design parameters loaded in this fashion are Plant Compensator Tab o Vin o lout o Filter Inductor L o Inductor DCR o RDS on hi o RDS on lo o Output capacitor legs Voltage Feedback Tab o R1 o R2 o Cp o Cz Texas Instruments Page 35 Fusion Digital Power Designer User s Guide For Version 1 3 23 e Select plant parameters are synchronized to PMBus device parameters When you start the GUI the following inputs will be set from the device s configuration o Vout synchronized to VOUT_COMMAND o Fs synchronized to FREQUENCY_SWITCH Please refer to Section 8 5 2 for more information on how these parameters are synchronized e The compensator design parameter inputs are derived from the CLA table bank they are associated with For example on a UCD9240 the compensator defaults for CLA bank 0x0 on rail 2 are derived from the current set of coefficients in flash memory on the attached device The digital coefficients are mapped from the discrete domain to the continuous domain from which the continuous design parameters are derived When running in offline mode the project file s snapshot of the coefficient bank is used e All the plant parameters must be entered in the units specified to the
110. to Calculation of Design By default the design is recalculated when you edit a design input In the case of clicking on the up down button in a spin edit 907 the calculation is performed immediately If you type in an entry such as 1 5 into Vout the calculation is performed approximately 2 seconds after you finish typing The auto calculate feature can be disabled by unchecking the Auto Calculate checkbox below the Calculate button If you turn off auto calculate mode you will need to click the Calculate button after you change your design The button will be enabled no longer grayed out after you change an input Texas Instruments Page 37 Fusion Digital Power Designer User s Guide For Version 1 3 23 8 5 2 Plant Inputs Input of the plant is split between two tabs available at the bottom of the form Plant parameters are the same regardless of the device attached UCD91XX or UCD92XxX Plant Compensator Tab Voltage Feedback Tab voltage Feedback Parameters Plant Parameters vin 10 000 FE y 1 000 FY Fo 500 0 HH kHz 20 00 EY LG 0 500 FS pH d 1 100 E Rds on his 7 207 me Rds onlo 2 20 E me About Phases Mumber of Phases 2 For DCR L Rds on hi and Rds on lo enter the actual component value and 100 ES pF rating From the design For this dual phase device the evaluation of the plant will adjust these with the correct effective value based on the multiple kg phases present in the design sense Ca
111. u can select what to reload reset 43 Reload Reset Design Reset compensator design inputs based on current hardware coefficients 8 Current CLA bank only O all CLA banks 0 Reset plant design inputs to UCD9240 EVM values Fs and Vout will be reset to current hardware values of FREQUENCY SWITCH and YOUT_COMMAND O Reset both compensator and plant Reset Reload Cancel Note only the current output rail will be affected by this reload reset The default is to only redefine the compensator for the currently selected table bank Selecting the middle radio button will only reset the plant Selecting the bottom radio button will reset both the plant and compensator inputs The System radio buttons select whether to plot the continuous s domain or discrete z domain response On the UCD92XX only the discrete option is available On the UCD91XX the discrete option also adds in Gdelay to the compensator See design errata starting in Section 8 11 for a summary of design equations and individual gain components for each device family The Plot radio buttons controls whether the plant compensator or loop plant compensator response is shown in the bode plot The Write to Hardware button e Writes any changes to VOUT_COMMAND and FREQUENCY_SWITCH to hardware RAM e Onthe UCD91XX writes the coefficient table for the currently selected CLA tab such as Table 1 Regulation to RAM e Onthe UCD92XX writes th
112. usion digital power y i USB Adapter Version Must be 1 0 5 or greater Firmware Version Number amp Build Date Build date is in YYYY MM DD format GUI Version Number amp Build Date Build date is in YYYY MM DD format If you have a device attached that is configured for more than one rail a typical configuration on the UCD9240 click the device rail selector to monitor and configure a different output rail For example UCo9240 Address 91 Rail 1 UCDIZ40 Address 91 Rail 1 au UCD9240 Address 91 Rail 2 UCD9240 Address 91 Rail 5 UCD9240 Address 91 Rail 44 This will switch the GUI from rail 1 to rail 2 ES Some items are global to a device and not managed on a per rail basis An obvious example is READ_VIN This parameter reads the input voltage and will not vary as you change the selected output rail ES In a future release of the GUI the device rail selector will be used to switch between different devices that are on the same PMBus for example three UCD9240 controllers Currently the GUI only lets you configure a single device at a time Texas Instruments Page 12 Fusion Digital Power Designer User s Guide For Version 1 3 23 5 MONITORING The Monitor task provides real time monitoring of the device During normal operation the GUI collects data from the device in the background The GUI polls the device meaning it periodically reads certain operational data The GU s polling
113. utton in the titlebar kel Checks to see if you have any unwritten PMBus configuration changes Also warns you if your project file has not been saved since you updated your design or wrote out PMBus changes to the virtual device Texas Instruments Page 66 Fusion Digital Power Designer User s Guide 12 2 Device Menu Dashboard On Off Configuration Security Login Clear Max Recorded Temperature Soft Reset Device Background Polling Status Background Polling 12 3 Help Menu User s Guide A Documentation Contact Tl for Support TI Digital Power Homepage TI Homepage About Texas Instruments For Version 1 3 23 Launches the readings dashboard in a separate form See Section 5 Launches the PMBus ON_OFF_CONFIG editor in a separate form Useful when experimenting with how different ON_OFF_CONFIG settings affect how the device interprets the CONTROL pin and OPERATION command Changes to this form are immediately written to the device Online mode only If your device supports TI enhanced security this provides a shortcut to temporarily disable security and login to the device See Section 7 3 Online mode only If your device supports the TI LOGGED_MAX_TEMPERATURE parameter selecting this menu item will clear the maximum temperature reading The device will then log the next temperature that exceeds OT_WARN_LIMIT Online mode only Executes the SOFT_RESET command on the device This will simulate a pow
114. ve their own write to hardware buttons that only manage writes to parameters in that task For example the design task described in Section 8 has a Write to Hardware button It manages writes of FREQUENCY_SWITCH VOUT_COMMAND and the PID coefficients generated there If you edit VOUT_COMMAND there without writing out your change and switch to the Configure task you will notice that your change has not been reflected there But once you click Write to Hardware in the design task the Configure forms will be updated to reflect the new device value for VOUT_COMMAND When you write your changes to hardware the GUI will keep track of what writes succeeded and what failed Normally the GUI looks to see if the device NACKed a write to determine if it failed For some in development devices however the GUI will take the extra step of reading back the parameter after write to verify that the write was successful In either case the GUI will log failure in the transaction log and change the icon to a Y You can move your cursor over the icon to learn more For example if we tried to change the switching frequency on a UCD9112 to 10 MHz the device would NACK the write because this is out of range Texas Instruments Page 21 Fusion Digital Power Designer User s Guide For Version 1 3 23 FREQUENCY_SWITCH DW 10 000 0 HH khz ox2271 IOUT_CAL_GAIM_1 Ox 30 1 Ez mit OxB31F IOUT CAL GAIN 2 Ge Error Writing FREQUENCY _ SWITCH es 5 There was an error wr
115. vi MFR_DATE Ox9D Unit s date of manufacture as ASCII text MFR_ID 0x99 Manufacturer s ID as ASCII text name abbreviation or symbol that identifies the unit s manufact 9 Configure vi MFR_IOUT_MAX 0xA6 Maximum rated value in amperes to which the output may be loaded MFR_LOCATION Ox9C ASCII text identifying the Facility that manufactured the unit Let Lee Fusion Digital Power Designer v1 3 12 2007 06 24 UCD9112 Firmware v1 0 42 2007 06 13 USB Adapter v1 0 5 dh Texas INSTRUMENTS fusion digital power Figure 11 UCD9112 Security Security Off State Texas Instruments Page 29 Fusion Digital Power Designer User s Guide For Version 1 3 23 Note that both writeable PMBus parameters VOUT_COMMAND IOUT_OC_FAULT_LIMIT etc and send byte operations STORE_DEFAULT_ALL SOFT_RESET etc can be protected Certain commands are not shown in the bitmask editor because they should not be write protected For example the PAGE and PHASE parameters must be writable in order to take readings from the device through commands such as READ_VOUT and READ_IOUT The device has four security states it can be in 1 Off Security is deactivated Writes to all commands are allowed The security bitmask can be written to 2 On Security is active The configured security bit mask defines what commands are protected Any writes to those commands will be NACKed The security bitmask can not be written to 3 Temporarily Dis
116. view of XML PMBus Support in UCD911X Family of Digital Power Controllers Texas Instruments USB Interface Adapter Evaluation Module User s Guide Texas Instruments Texas Instruments Digital Power Homepage http www ti com digitalpower Texas Instruments Page 70
117. with Ile Standard warranty Testing and other quality control techniques are utilized to the extent Tl deems necessary to support this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements Customers are responsible for their applications using Tl components In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards Tl assumes no liability for applications assistance or customer product design TI does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or relating to any combination machine or process in which such products or services might be or are used Tl s publication of information regarding any third party s products or services does not constitute Tl s approval license warranty or endorsement thereof Reproduction of information in Tl data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Representation or reproduction of this information with alteration voids all warranties provided for an associated TI product or service is an unfair and deceptive business practice and Tl is no
118. xas Instruments Page 20 Fusion Digital Power Designer User s Guide For Version 1 3 23 your local time in 24 hour format 6 2 General Editing Concepts Some important points about editing PMBus parameters in the GUI When you modify a parameter an icon will appear near to it to indicate that you have made a change For example changing Vout above from 1 0V to 1 1V Yout 1 100 Fw You can move your mouse over icons like these to get more information D Limiter Write Pending for YOUT_COMMAND You have modified this parameter New value is 1 100 Y 00800 Device value is 1 000 Y 00800 Your 1 100 7 Y in Low IF vou would like to undo your change click this icon This balloon shows both the current device value as well as the new unwritten value The 2 con stands for updated and indicates that you have modified a parameter in the GUI but have not written your change to hardware Editors in all Configure sub task forms are synchronized For example if you edit VOUT_COMMAND in the voltage configuration form your edit will be reflected in the basic and advanced configuration editors This holds for uncommitted edits as well even if you have not written the change to hardware you will see the Y icon in the other editors with your most recent edit Editors in different tasks are only synchronized when a new value is actually written to or read from the device Why Because different tasks ha
119. xml under the folder the application was installed in For example C Program Files Texas Instruments Fusion Digital Power Designer data prefs xml Preferences are global for a particular installation of the GUI on your PC So if two people share the same PC such as in a laboratory they will share GUI preferences 3 6 Upgrading the GUI When upgrading to a new release of the GUI there is no need to un install the current installed version first In fact doing so will remove your program preferences and is not recommended The GUI installer will take care of updating all necessary files Your program preferences will not be modified by the installer Texas Instruments Page 8 Fusion Digital Power Designer User s Guide For Version 1 3 23 3 7 Multiple Installations of the GUI You can install different versions of the GUI on same the PC Because the preferences are stored within the program folder as described in Section 3 5 each version of the GUI installed on your PC will have its own set of preferences When you install a second copy of the GUI you need to ensure the name of the folder for the additional copy is named different from the default folder name Texas Instruments Fusion Digital Power Designer The easiest way to do this is to append something descriptive to the folder name For example in the following example Beta was appended to the installation folder pathname 8 Setup Texas Instruments Fusion Digital
120. you ll be able to launch either version of GUI from the Start Menu Z Windows Update Internet Explorer EN Command Prompt m Programs ICH Accessories b bi Documents mm inistrative Tools gt G Settings gt xas Instruments Fusion Digital Power Designer d 4 Search Texas Instruments Fusion Digital Power Designer Beta gt Help and Support a l vg g Run T Microsoft Office gt Log OFF mmuedgel an Moved 8 Turn Off Computer Texas Instruments Page 10 Fusion Digital Power Designer User s Guide 4 USER INTERFACE OVERVIEW For Version 1 3 23 GUI functions are grouped together into tasks that can be selected by clicking the button on the lower left side of the form Mi Fusion Digital Power Designer UCDOLIZ gt Teras Instrumente gg an tn ae Fusion Digital Power Designer UCD9112 Texas Instruments Fie Device UCD9112 Address 8 Monitor Show Hide Plots vin Yout Tout Temp Fit All Plots on Screen O Scale Plots to Screen Width 200 Show Warn amp Fault Limit Editors Control Current a era Task This area changes as you select a Stop Polling Launch Dashboard new task Tasks ee Click a button to Security 1 004 Y Vin 12 250 Temperature Vout Max Recorded Temp Switching Frequency 500 Khz Tout 0 00 4 Phase 1 Iout 0 13 Phase 2 Iout 0 06 A Fan Spe

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