bq40z50EVM Li-Ion Battery Pack Manager
Contents
1. Figure 2 Cell Connection Configuration A resistor cell simulator can be used instead of battery cells Connect a resistor between each of the contacts on the J1 or J5 connector For example from 1N to 1P from 1P to 2P and so forth until the desired number of cells has been achieved A power supply can provide power to the cell simulator Set the power supply to the desired cell voltage x the number of cells and attach the ground wire to 1N and the positive wire to 4P For example for a 3S configuration with a 3 6 V cell voltage set the power supply to 3 x 3 6 10 8 V Serial communications port SMBC SMBD Attach the communications interface adapter cable to J2 and to the SMB port on the EV2300 System load and charger connections across PACK and PACK Attach the load or power supply to the J3 or J4 terminal block The positive load or power supply wire should be connected to at least one of the first two terminal block positions labeled PACK The ground wire for the load or power supply should be connected to the last terminal block positions labeled PACK e System present pin SYS PRES To start charge or discharge test connect the SYS PRES position on the J3 terminal block to PACK 4 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com bq40z50EVM2. or process in which TI components or services are used Information published by TI regarding third party products or services does not constitute a license to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice Tl is not responsible or liable for any such statements Buyer acknowledges and agrees that it is solely responsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has al
3. 2015 Texas Instruments Incorporated I TEXAS INSTRUMENTS bq40z50EVM Quick Start Guide www ti com Load Charger EV2300 PACK SYS PRES J SMBD SMBC VSS PACK ae PACK LED DISPLAY ES JUMPER e Ls ca co Re BAT SMBD SMBC DSG CHG J mz 52 PWR561 Rev C EN H LEDS LED4 LED3 LED2 LEDI LED DISPLAY SHUTDOWN i K TP12 For evaluation only not FCC approved for resale Figure 1 bq40z50 Circuit Module Connection to Cells and System Load or Charger j 1 TEXAS O 435 INSTRUMENTS Q z o Direct connection to the cells 1N BAT 1P 2P 3P 4P BAT Attach the cells to the J1 and J5 terminal block A specific cell connection sequence is not required although it is good practice to start with lowest cell in the stack cell 1 then attach cells 2 through 4 in sequence The U1 and U2 devices should not be damaged by other cell connection sequences but there is a possibility that the bq296000 could blow the fuse Attaching cells starting with cell 1 should eliminate this risk A short should be placed across unused voltage sense inputs See Figure 2 Number J1 and J5 Terminal Block Connections of Cells 1N 1P 2P 3P 4P 1 cell1 short short short 2 cell1 4 cell2 short short e 3 cell1 CO cell2 cell3 short e 4 cell1 cell2 cell3 cell4
4. Registers Screen The continuous scanning period can be set via the Window Preferences SBS Scan Interval menu selections The Battery Management Studio program provides a logging function which logs the values that are selected by the Log check boxes located beside each parameter in the Register section To enable this function select the Log button this causes the Scan button to be selected When logging is stopped the Scan button is still selected and has to be manually deselected Setting Programmable bq40z50 Options The bq40z50 data flash comes configured per the default settings detailed in the bq40z50 TRM Ensure that the settings are correctly changed to match the pack and application for the solution being evaluated NOTE The correct setting of these options is essential to get the best performance The settings can be configured using the Data Flash screen see Figure 4 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Battery Management Studio Data Flash 55 7H Data Flash Filter Search DA 2 2 HexDump Auto Export Export Write All Read All Read Write Data Flash Contents Name Value Unit Physical Start Ad Data Length Row Number Row Offset Native Units 4 Voltage Settings Cell Gain 12083 0x4000 2 0 0 eee Pac
5. may become very warm 4 3 2 EVMs are intended solely for use by technically qualified professional electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components systems and subsystems User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees affiliates contractors or designees User assumes all responsibility and liability to ensure that any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electrical shock hazard User assumes all responsibility and liability for any improper or unsafe handling or use of the EVM by User or its employees affiliates contractors or designees 4 4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international federal state or local laws and regulations related to User s handling and use of the EVM and if applicable User assumes all responsibility and liability for compliance in all respects with such laws and regulations User assumes all responsibility and liability for proper disposal and recycling of the EVM consistent with all applicable international federal state and local requirements 5 Accuracy of Information To the extent TI provides information on the availability and fun
6. nhe e nn nnn nnn nnn nnn 15 14 TOP Eve H 15 15 Internal Layer T err 15 16 Mtr M Vi arms 16 17 Bottom DEAS 16 1 Features Complete evaluation system for the bq40Z50EVM Li lon Battery Pack Manager Evaluation Module and bq296000 independent overvoltage protection IC e Populated circuit module for quick setup Software that allows data logging for system analysis 1 1 Kit Contents bq40z50 and bq296000 circuit module Cable to connect the EVM to an EV2300 or EV2400 communications interface adapter 1 2 Ordering Information For complete ordering information see the product page at www ti com Table 1 Ordering Information EVM PART NUMBER CHEMISTRY CONFIGURATION CAPACITY bq40z50EVM 561 Li ion 1 2 3 or 4 cell Any 1 3 Documentation See the device data sheets for bg40z50 and bq296000 and technical reference manuals TRMs on www ti com for information on device firmware and hardware 1 4 bq40z50 and bq296000 Circuit Module Performance Specification Summary This section summarizes the performance specifications of the bq40z50 and bq296000 EVM Table 2 Performance Specification Summary Specification Minimum Typical Maximum Units Input voltage Pack to Pack 3 15 26 V Charge and discharge current 0 2 7 A 2 bq40z50EVM Li lon Battery Pack Manager Evaluation Mo
7. will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Heorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Canada 3 2 4 For EVMs issued with an Industry Canada Certificate of Conformance to RSS 210 Concerning EVMs Including Radio Transmitters This device complies with Industry Canada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the device Concernant les EVMs avec appareils radio Le pr sent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autoris e aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur de l appareil doit accepter tout brouillage radio lectrique subi m me si le brouillage est susceptible d en compromettre le fonctionnement Concerning EVMs Including Deta
8. 000 Circuit Module Performance Specification Summary 2 2 bd40250EVM Quick Start Guide seisonnan or Dix UeR Ee OE Rex quOE MERE AE ERN RUM NN UNA AMEN RENS 3 2 1 Items Needed for EVM Setup and Evaluation ccseceeceeee cece eens seen eeeee eens I mnn 3 2 2 Software niei D 3 2 3 EVM Bero ar eiie 3 3 Battery Management Stud tnm 6 3 1 Registers Serce Misere gna e tue Reset cinue da eters ante Seem aioe obese E O OEEO REE G 6 3 2 Setting Programmable bq40z50 Options ssssssssssssnrnrurnrrnnnnnnrrrrrrnnnnnnnrrrnnnnnnnnnnnnnnnnnnnnn 6 3 3 Galibratlon SCreen saaicaiccets cesvecaie E E EA E AE EEE E AE EEE ER ri 3 4 ella SONOS ie TERT tL OIL 9 3 5 Firmware Seregi isesi ura tpa au dx CAEN CIR Ea ende iprN NE NN Mt Rave wit ue ama RB ie n IRI RU mini 10 3 6 Advanced Comm SMB Screen REC 11 4 bd40Z50EVM Circuit Module SCHEMATIC 5 5 0 ex dure neern E EEEN 12 4 1 dimer P E 12 4 2 LED GonttOl e 12 4 3 Emergency ShutdOWT co eiue Does esec xp eue NE DIR De UE ENER IMMER RUE EM ED NEMUS EUNUNN E 12 4 4 Testing Fuse slo emere es 12 4 5 PTO TNhEnMIStOr RP DE 18 5 Circuit Module Physical Layouts 22 uo ecio ooi e true aima anas ee ee cre V a euer coe exa c sex dud E E a 14 5 1 Board ME Vrec tainainiea
9. 06031K00JNEA Vishay Dale 1 R19 0 001 50ppm Resistor Chip 1 watt 1 1206 CSR1206 0R001F1 Riedon 3 R24 R26 R28 200 Resistor Chip 1 16 W 5 0603 CRCW0603200RJNEA Vishay Dale 1 R33 5 1 Resistor 5 1 0 063 W 5 0402 0402 CRCW04025R10JNED Vishay Dale 2 J1 J4 ED555 2DS Terminal Block 2 pin 6 A 3 5mm 0 27 x 0 25 ED555 2DS OST inch 1 J2 22 05 3041 Header Friction Lock Ass y 4 pin Right 0 400 x 22 05 3041 Molex Angle 0 500 inch 2 J3 J5 ED555 3DS Terminal Block 3 pin 6 A 3 5mm 0 41 x 0 25 ED555 3DS OST inch 0 J6 Header TH 100mil spacing 2x1 230 mil 0 100 inch x PECO2SAAN Sullins above insulator 2 1 LBL1 Thermal Transfer Printable Labels 1 250 PCB Label THT 13 457 10 Brady W x 0 250 H inch 10 000 per roll 1 250 W x 0 250 H inch 1 RT1 10K Thermistor NTC 5 Q 1 A 1206 CRCW120610KOJNEA Vishay 4 RT2 5 10K Thermistor NTC 3 A 0 095 X 103AT 2 Semitec 0 150 inch 3 1 S2 83 EVQ PLHA15 Switch Push button Momentary 1P1T 0 200 x EVQ PLHA15 Panasonic 50 mA 12 V 0 200 inch 1 TP3 5001 Test Point Black Thru Hole Color Keyed 0 100 x 5001 Keystone 0 100 inch 1 Q1 FDN358P MOSFET Pch 30V 1 5A 125 mQ SOT23 FDN358P Fairchild 2 Q2 3 Si7114DN T1 E3 MOSFET Nch 30V 11 7A 7 5 mQ PWRPAK Si7114DN T1 E3 Vishay 1212 1 Q4 2N7002K T1 E3 MOSFET Nch 60V 300 mA 2 O SOT23 2N7002K T1 E3 Vishay 1 Q5 Si1414DH T1 GE3 MOSFET Nch 30V 4A 46 mQ SC 70 Si1414DH T1 GE3 Vishay 1 U1 BQ40Z50RSMR T IC 2 to 4 Series Li lon Batte
10. 2 1K T va m 10K gt 4 va R33 51K 0 1 pF 91 vss L6 5 1 I R14 n r3 Vt PWPD TEM CHG Bi y 1K os 1 Y 0 1 pF Ris Lcs g ao C2 ot pF l ze ae 0 1 pF 0 47pF RIG RI7 n RTI 10K AR i 5 1K 5 1K Anny 4 BAT 0 1 uF hys GND id RI8 2 M GND BAT 1K cit qadd gd 04 pF RESOLLSZERE lt D ao ot gt op amp 7dgc Di BATS4HT1G C13 22yF 1 PBI PTCEN 2 A vea ul PTC ia vos BQ40Z50RSM R1 LEDONTLO 3 alec 4 vc2 LEDCNTLB 04w O5 e 5 vci LEDCNTLA 01uF ce 6 can SMBC i o1w LOU Z Nc SMBI SMBC 4 R20 0 1 pF 8 SRP DISP V He e 2 4 too Pl 4 siiis SMBD 3 4 100 2 i GND ef N AN R23 z5 1 100 1 200 100 4 4 i 598 45 2 2 g R26 R27 i n TPs ppg E s 5 gt SMBD A M dJssgsd TN J gasas 200 100 g SMBC Rat E l 91 E a 1 vss Net Tie SRP SRN GN S2 a 2 ait GND LED DISPLAY GNF mon J 3 RT2 RT3 RT4 RTS R28 R29 10R amp _10K 10R amp _10K Maid SHUTDOWN 200 K J J Ld tt o D2 o EDS 9 0 1 uF E 4 i ey ae E ud N o0 R30 R31pv GND GND GND GND E g 99 DNP z Z B 100 100 E 4 chenn 4 8 DNP GND ns Es CH ND E GND Ed R19 0 001 AN IC ground should be connected to the 1N cell tab AN Place RT1 close to Q2 and Q3 VAN Replace D1 and R9 with a 10 ohm resistor for Single cell applications SLUUAV7A December 2013 Revised July 2015 17 Submit Documentation Feedback bq40z50EVM Li lon Battery Pack Manager Evaluation Mod
11. 9 i qg o o fo 2 fo fo o9 99 99 vy Figure 15 Internal Layer 1 SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 15 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Circuit Module Physical Layouts www ti com r T 1250 mil Figure 16 Internal Layer 2 i Figure 17 Bottom Layer 16 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com 5 2 Schematic Circuit Module Physical Layouts je Mca ae lU j 0 1 uF 0 1 pF N 2 300 f FDN358P i PACK R2 z V Q3 oe Si7114DN 10M Qo Si71140N M FUSE R5 Y 4 4 Wake 10M R32 b Rit Mh e 10K t Si d 9 Q5 RR Sit414DH FUSEPIN We Ga RI RB R9 RIO 1 voo our 3 5 1K 5 1K 100 5 1K R13 252 3 ioo Me psa R1
12. F MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthermore no return of EVM s will be accepted if the package has been opened and no return of the EVM s will be accepted if they are damaged or otherwise not in a resalable condition If User feels it has been incorrectly charged for the EVM s it ordered or that delivery violates the applicable order User should contact TI All refunds will be made in full within thirty 30 working days from the return of the components s excluding any postage or packaging costs Governing Law These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas without reference to conflict of laws principles User agrees that non exclusive jurisdiction for any dispute arising out of or relating to these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County Texas Notwithstanding the foregoing any judgment may be enforced in any United States or foreign court and TI may seek injunctive relief in any United States or foreign court Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2015 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiarie
13. ION WITH ANY HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS AND CONDITIONS THIS OBLIGATION SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE REGULATION OR THE LAW OF TORT CONTRACT OR ANY OTHER LEGAL THEORY AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED Limitations on Damages and Liability 8 1 General Limitations IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL COLLATERAL INDIRECT PUNITIVE INCIDENTAL CONSEQUENTIAL OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE TERMS ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER REGARDLESS OF WHETHER TI HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES EXCLUDED DAMAGES INCLUDE BUT ARE NOT LIMITED TO COST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL TI S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS OR ANY USE OF ANY TI EVM PROVIDED HEREUNDER EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED THE EXISTENCE O
14. Quick Start Guide The SYS PRES can be left open if the non removable NR bit is set to 1 in the Pack Configuration A register To test sleep mode disconnect the SYS PRES pin e Wake up the device up from shutdown WAKE Press the Wake pushbutton switch to temporarily connect Bat to Pack This applies voltage to the PACK pin on the bq40z50 to power up the regulators and start the initialization sequence Parameter setup The default data flash settings configure the device for 3 series Li lon cells The user should change the Data Flash Settings DA Configuration register to set up the number of series cells to match the physical pack configuration This provides basic functionality to the setup Other data flash parameters should also be updated to fine tune the gauge to the pack See the bq40z50 TRM for help with setting the parameters SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 5 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Battery Management Studio www ti com 3 3 1 3 2 6 B Battery Management Studio Registers Screen Run Battery Management Studio from the Start Programs Texas Instruments Battery Management Studio menu sequence or the Battery Management Studio shortcut The Registers screen see Figure 3 appears The Registers section contains parameters used to monitor gauging
15. S16949 requirements mainly for automotive use In any case of use of non designated products TI will not be responsible for any failure to meet ISO TS16949 Products Applications Audio www ti com audio Automotive and Transportation www ti com automotive Amplifiers amplifier ti com Communications and Telecom www ti com communications Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID OMAP Applications Processors Wireless Connectivity dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com microcontroller ti com www ti rfid com www ti com omap Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Video and Imaging TI E2E Community www ti com wirelessconnectivity www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com video Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2015 Texas Instruments Incorporated
16. The Bit Registers section provides bit level picture of status and fault registers A green flag indicates that the bit is O low state and a red flag indicates that the bit is 1 high state Data begins to appear once the Refresh single time scan button is selected or it scans continuously if the Scan button is selected J Registers 3 x I mm s Registers Label here M Log Scan Refresh Registers Name Value Units Log Scan Name Value Units Log Scan Manufacturer Access 0x6181 hex v we I5 a Fit Full Chg E 2523 cWH v ve a 4 Remaining Cap Alarm 300 mAh v v 8 True Rem Q 580 mAh v v 4 Remaining Time Alarm 10 min v M 5 True Rem E 522 Wh iv Iv At Rate 0 mA M M iti 2818 mAh Iv Iv i At Rate Time To Full 65535 min M M 3045 cWh v 2 At Rate Time To Empty 65535 min M M 2238 mAh mM v E At Rate OK 1 v v 2523 Wh iv M Temperature 22 7 degC v v 23 4 degC v v Valtane 14166 mil 2 2 d 73 dant v v Bit Registers Name Value Log 5 Bit15 Biti4 Bit13 Biti2 Bitii Bit10 Bit9 Bits Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Biti Bito E Manufacturi x M V E RSD jsafetyaert ox M M BRSUDE B safety Stat ox M lv E S safetyAert ox v M ERS S ERSVDN Bi safety stat ox MO M BRSUBE ERSUDN ERSIDNI s PFAlertass ox 1v v BRSUBH ERSUDUI ERSUDUI s PrStsts A ox MO M BRENBE ERSVDS RSVR z S PFAlrtC4D ox Mw M S PFStstusC4D Ox M M 8 status o v m E a z Figure 3
17. VM for in system testing A copper bridge is included on the PCB to bypass the chemical fuse so it has to be cut to allow the fuse to open the power path The cut is illustrated in yellow on Figure 9 with arrows pointing to the location Cut Copper here Top Layer Bottom Layer Figure 9 Fuse Trace Modifications bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com bq40z50EVM Circuit Module Schematic 45 PTC Thermistor The PTC interface is designed to work with a specific PTC thermistor The thermistor must have a 10 kO typical resistance over the normal operating temperature range and the resistance must be greater than 1 2 MO at the PTC trip temperature The muRata PRF18BA103QB1RB thermistor will work with this device The EVM has a 10 kO resistor installed on the PTC footprint The PTC function can be disabled by connecting PTC and PTCEN to VSS SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 13 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated I TEXAS INSTRUMENTS Circuit Module Physical Layouts www ti com 5 Circuit Module Physical Layouts This section contains the printed circuit board PCB layout assembly drawings and schematic for the bq40z50 and bq296000 ci
18. alibration Applied Current m O Calibrate Current Temperature calibration Sensor Applied temperature Calibrate Internal deg c O External 1 deg C Oo r Voltage calibration Applied Cell 1 voltage mv O Calibrate voltage Applied Battery Voltage mv L Calibrate Battery Voltage Applied Pack voltage mv O Calibrate Pack voltage External 2 deg C Oo Calibrate Gas Gauge Figure 5 Calibration Screen SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback bq40z50EVM Li lon Battery Pack Manager Evaluation Module 7 Copyright 2013 2015 Texas Instruments Incorporated I TEXAS INSTRUMENTS Battery Management Studio www ti com 3 3 1 3 3 2 3 3 3 8 Voltage Calibration Measure the voltage from Cell 1 to 1N and enter this value in the Applied Cell 1 Voltage field and select the Calibrate Voltage box Measure the voltage from Bat to Bat and enter this value in the Applied Battery Voltage field and select the Calibrate Battery Voltage box Measure the voltage from Pack to Pack and enter this value in the Applied Pack Voltage field and select the Calibrate Pack Voltage box If the voltage is not present then turn the charge and discharge FETs on by entering a 0x0022 command in the Manufacturer Access register on the Register screen Press the Calibrate Gas Gauge button to calibrate the voltage measurement system Desele
19. anaiainaiaananitiancidel E seveiwaiacWcaslaweslailaastiel a Ea 14 5 2 SCHEMAS I 17 6 Se MIENNE TERT 18 7 Related Documentation from Texas Instruments cceeeee eee eee ee eee enee ee eeee nee n n nnn nen nnn 19 List of Figures 1 bq40z50 Circuit Module Connection to Cells and System Load or Charger eeeeeeeeeeeeeeeeee 4 2 Cell Connection Configuration eeeeesseeeseeeeneeene enne nnne E nnn nennen nennen 4 3 Registers Scree 1t 6 4 Data Flash Screens rire lex lIIcI ler eri Drc eta deme PII iR pO Tp a Ea aa EUN EcL PUEDE 7 SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 1 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated IJ TEXAS INSTRUMENTS Features www ti com 5 Calibration Scree i exasiieriketixstiaainamawaisdeaen EE e E REM IER ITA I E EYE Ma EE ERE Era eU RE EE VE REL EUN ADU eed 7 6 Chemisty ere men E RC cicte E E EE A EE EE 9 7 Firmwar SCFECM sasssa aapi a aE ASEE NE PAE EE ANE SEE 10 8 Advanced Comm Screeners A E a du EA 11 9 Fuse Trace MOdiiGAatlons esses aiian e A laa A a a aN 12 10 TOP SIIK SCEO c CL 14 11 Bottom Silk SGreE Minsan EEE ae 14 12 I feemitri insj erm 14 13 Bottom ASSEMDIY cece e cece eee eee cece een ee ence enna nenne nnn emen hne nene e nnn nne
20. antenne num r s dans le manuel d usage et ayant un gain admissible maximal et l iImp dance requise pour chaque type d antenne Les types d antenne non inclus dans cette liste ou dont le gain est sup rieur au gain maximal indiqu sont strictement interdits pour l exploitation de l metteur Japan 3 8 1 Notice for EVMs delivered in Japan Please see http www tij co jp Isds ti ja general eStore notice 01 page HABA Ic HANDRA h R RICOIWUTE ROECSZECHRKEEW http www tij co jp Isds ti_ja general eStore notice_01 page 3 3 2 Notice for Users of EVMs Considered Radio Frequency Products in Japan EVMs entering Japan may not be certified by TI as conforming to Technical Regulations of Radio Law of Japan If User uses EVMs in Japan not certified to Technical Regulations of Radio Law of Japan User is required by Radio Law of Japan to follow the instructions below with respect to EVMs 1 Use EVMs in a shielded room or any other test facility as defined in the notification 173 issued by Ministry of Internal Affairs and Communications on March 28 2006 based on Sub section 1 1 of Article 6 of the Ministry s Rule for Enforcement of Radio Law of Japan 2 Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to EVMs or 3 Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to EVMs Also do not t
21. chable Antennas Under Industry Canada regulations this radio transmitter may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes d tachables Conform ment la r glementation d Industrie Canada le pr sent metteur radio peut fonctionner avec une antenne d un type et d un gain maximal ou inf rieur approuv pour l metteur par Industrie Canada Dans le but de r duire les risques de brouillage radio lectrique l intention des autres utilisateurs il faut choisir le type d antenne et son gain de sorte que la puissance isotrope rayonn e quivalente p i r e ne d passe pas l intensit n cessaire l tablissement d une communication satisfaisante Le pr sent metteur radio a t approuv par Industrie Canada pour fonctionner avec les types d
22. ck Ox Hex Dec ASCI Figure 8 Advanced Comm Screen Examples Reading an SMB Command Read SBData Voltage 0x09 SMBus Read Word Command 0x09 Word 0x3A7B which is hexadecimal for 14971 mV Sending a MAC Gauging to enable IT via ManufacturerAccess With Impedance Track disabled send Gauging 0x0021 to ManufacturerAccess SMBus Write Word Command 0x00 Data 00 21 Reading Chemical ID 0x0006 via ManufacturerAccess Send Chemical ID to ManufacturerAccess SMBus Write Word Command 0x00 Data sent 00 06 Read the result from ManufacturerData SMBus Read Block Command 0x23 Data read 00 01 Thatis 0x0100 chem ID 100 SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 11 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated I TEXAS INSTRUMENTS bq40z50EVM Circuit Module Schematic www ti com 4 4 1 4 2 4 3 4 4 12 bq40z50EVM Circuit Module Schematic This section contains information on modifying the EVM and using various features on the reference design Pre Charge The EVM provides a power resistor and FET to support a reduced current pre charge path to charge the pack when cell voltages are below the pre charge voltage threshold This reduces heating that could lead to cell damage or reduced operating lifetime The resistor R1 is set up to limit the c
23. ct the Calibrate Voltage boxes after voltage calibration has completed Temperature Calibration Enter the room temperature in each of the Applied Temperature fields and select the Calibrate box for each thermistor to be calibrated The temperature values must be entered in degrees Celsius Press the Calibrate Gas Gauge button to calibrate the temperature measurement system Deselect the Calibrate boxes after temperature calibration has completed Current Calibration The Board Offset calibration option is not offered in Battery Management Studio because it is not required when using the bq40z50EVM The Board Offset calibration option is available in bqProduction Connect and measure a 2 A current source from 1N and Pack to calibrate without using the FETs TI does not recommend calibration using the FETs Enter 2000 in the Applied Current field and select the Calibrate Current box Press the Calibrate Gas Gauge button to calibrate Deselect the Calibrate Current box after current calibration has completed NOTE Current can also be calibrated using the FETs Measure the current in the discharge path and enter this value in the Applied Current field bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Battery Management Studio 3 4 Chemi
24. ction of EVMs TI attempts to be as accurate as possible However TI does not warrant the accuracy of EVM descriptions EVM availability or other information on its websites as accurate complete reliable current or error free 10 Disclaimers 6 1 EXCEPT AS SET FORTH ABOVE EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM AND THE DESIGN OF THE EVM ITSELF ARE PROVIDED AS IS AND WITH ALL FAULTS TI DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED REGARDING SUCH ITEMS INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT OF ANY THIRD PARTY PATENTS COPYRIGHTS TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS 6 2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN NOTHING IN THESE TERMS AND CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE PATENT OR ANY OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI ITS SUPPLIERS LICENSORS OR ANY OTHER THIRD PARTY TO USE THE EVM IN ANY FINISHED END USER OR READY TO USE FINAL PRODUCT OR FOR ANY INVENTION DISCOVERY OR IMPROVEMENT MADE CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF THE EVM USER S INDEMNITY OBLIGATIONS AND REPRESENTATIONS USER WILL DEFEND INDEMNIFY AND HOLD TI ITS LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS DAMAGES LOSSES EXPENSES COSTS AND LIABILITIES COLLECTIVELY CLAIMS ARISING OUT OF OR IN CONNECT
25. dapter was not previously installed after the Battery Management Studio installation a TI USB driver installer pops up Click Yes for the agreement message and follow its instructions Two drivers are associated with the EV2300 and an additional file may be required for the EV2400 Follow the instructions to install both Do not reboot the computer even if asked to do so Plug the communications interface adapter into a USB port using the USB cable The Windows system may show a prompt that new hardware has been found When asked Can Windows connect to Windows Update to search for software select No not this time and click Next In the next dialog window it indicates This wizard helps you install software for TI USB Firmware Updater Select Install the software automatically Recommended and click Next It is common for the next screen to be the Confirm File Replace screen Click No to continue If this screen does not appear then go to the next step After Windows indicates that the installation was finished a similar dialog window pops up to install the second driver Proceed with the same installation preference as the first one The second driver is TI USB bq80xx Driver 23 EVM Connections This section covers the hardware connections for the EVM See Figure 1 SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 3 Submit Documentation Feedback Copyright 2013
26. dule SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com bq40z50EVM Quick Start Guide 2 bq40z50EVM Quick Start Guide This section provides the step by step procedures required to use a new EVM and configure it for operation in a laboratory environment 2 1 Items Needed for EVM Setup and Evaluation bq40z50 or bq296000 circuit module EV2300 or EV2400 communications interface adapter Cable to connect the EVM to an EV2300 or EV2400 communications interface adapter USB cable to connect the communications interface adapter to the computer Computer setup with Windows XP or higher operating system Access to the Internet to download the Battery Management Studio software setup program One to four battery cells or 1 kQ resistors to configure a cell simulator A DC power supply that can supply 16 8 V and 2 A constant current and constant voltage capability is desirable 2 2 Software Installation Find the latest software version in the bq40z50 tool folder on www ti com Use the following steps to install the bq40z50 Battery Management Studio software 1 Download and run the Battery Management Studio setup program from the Development Tools section of the bg40z50EVM product folder on www ti com See Section 3 for detailed information on using the tools in the Battery Management Studio If the communications interface a
27. hole or in part or used in any finished product or production system Limited Warranty and Related Remedies Disclaimers 2 1 These terms and conditions do not apply to Software The warranty if any for Software is covered in the applicable Software License Agreement 2 2 Tl warrants that the TI EVM will conform to TI s published specifications for ninety 90 days after the date TI delivers such EVM to User Notwithstanding the foregoing TI shall not be liable for any defects that are caused by neglect misuse or mistreatment by an entity other than TI including improper installation or testing or for any EVMs that have been altered or modified in any way by an entity other than TI Moreover TI shall not be liable for any defects that result from User s design specifications or instructions for such EVMs Testing and other quality control techniques are used to the extent TI deems necessary or as mandated by government requirements TI does not test all parameters of each EVM 2 3 If any EVM fails to conform to the warranty set forth above TI s sole liability shall be at its option to repair or replace such EVM or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or pr
28. j User s Guide TE S SLUUAV7A December 2013 Revised July 2015 INSTRUMENTS bq40z50EVM Li lon Battery Pack Manager Evaluation Module This evaluation module EVM is a complete evaluation system for the bg40z50 or bq296000 battery management system The EVM includes one bq40z50 and bq296000 circuit module and a link to Windows based PC software The circuit module includes one bq40z50 integrated circuit IC one bq296000 IC and all other onboard components necessary to monitor and predict capacity perform cell balancing monitor critical parameters protect the cells from overcharge over discharge short circuit and overcurrent in 1 2 3 or 4 series cell Li ion or Li polymer battery packs The circuit module connects directly across the cells in a battery With the EV2300 or EV2400 interface board and software the user can read the bg40z50 data registers program the chipset for different pack configurations log cycling data for further evaluation and evaluate the overall functionality of the solution under different charge and discharge conditions Contents 1 i i p C 2 1 1 Kit ere ul 2 1 2 OrderirigIntormalloli sssssessemecumeies exis x oen E ARE CES uiT A EU RE UE uires cS 2 1 3 DDocurilentalon smieme e eee ne ean ee eee eee ee ee eee ea eae ee ae ene eee amram 2 1 4 bq40z50 and bq296
29. k Gain 49173 04002 2 0 2 BAT Gain 48867 0x4004 2 0 4 Permanent Fail 4 Current ST CC Gain 1 036 mOhm 0x4006 4 0 6 Advanced Charge Algorithm Capacity Gain 1 036 mOhm Ox400a 4 0 10 S 4 Current Offset CC Offset 0 Oxd00e 2 0 1 m Coulomb Counter Offset Samples 64 0x4010 2 0 16 Board Offset 0 054012 2 0 18 PF Status CC Auto Config 03 hex Ox40c0 1 6 0 hex CC Auto Offset 0 Ox cl 2 6 1 System Data 4 Temperature SBS Configuration Internal Temp Offset 42 degC Oxd014 1 0 20 OddegC ore earn meen Externall Temp Offset 15 degC 4015 1 0 a 01degC I LED Support External2 Temp Offset 17 degC 0x4016 1 0 22 O1degC COMM ExternaB Temp Offset 19 degC 054017 1 0 2 01degC External Temp Offset 15 degC 4018 1 0 24 OddegC Lifetimes 4 Internal Temp Model Int Gain 12143 O04500 2 46 0 Ra Table Int base offset 6232 0x45c2 2 46 2 Int Minimum AD 0 Oxted 2 46 4 Int Maximum Temp 6232 Oddegk Oxd5c6 2 46 6 Oldegk 4 Cell Temperature Model Coeff al 11130 Oxd5c8 2 46 8 Coeff a2 19142 Oxd5ca 2 46 10 Coeff a3 19262 Oxd5cc 2 46 2 lt 3 3 Calibration Screen Figure 4 Data Flash Screen The voltages temperatures and currents should be calibrated to provide good gauging performance Press the Calibration button to select the Advanced Calibration window See Figure 5 Advanced Calibration Perform Calibration Select the types of calibration to perform and enter the actual input parameters in the corresponding boxes r Current C
30. l the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failures monitor failures and their consequences lessen the likelihood of failures that might cause harm and take appropriate remedial actions Buyer will fully indemnify TI and its representatives against any damages arising out of the use of any TI components in safety critical applications In some cases TI components may be promoted specifically to facilitate safety related applications With such components TI s goal is to help enable customers to design and create their own end product solutions that meet applicable functional safety standards and requirements Nonetheless such components are subject to these terms No TI components are authorized for use in FDA Class III or similar life critical medical equipment unless authorized officers of the parties have executed a special agreement specifically governing such use Only those TI components which TI has specifically designated as military grade or enhanced plastic are designed and intended for use in military aerospace applications or environments Buyer acknowledges and agrees that any military or aerospace use of Tl components which have not been so designated is solely at the Buyer s risk and that Buyer is solely responsible for compliance with all legal and regulatory requirements in connection with such use TI has specifically designated certain components as meeting ISO T
31. nn 19 NOTE Page numbers for previous revisions may differ from page numbers in the current version SLUUAV7A December 2013 Revised July 2015 Revision History 19 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery Tl delivers TI evaluation boards kits or modules including any accompanying demonstration software components or documentation collectively an EVM or EVMs to the User User in accordance with the terms and conditions set forth herein Acceptance of the EVM is expressly subject to the following terms and conditions 1 1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility evaluation experimentation or scientific analysis of Tl semiconductors products EVMs have no direct function and are not finished products EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product For clarification any software or software tools provided with the EVM Software shall not be subject to the terms and conditions set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software 1 2 EVMs are not intended for consumer or household use EVMs may not be sold sublicensed leased rented loaned assigned or otherwise distributed for commercial purposes by Users in w
32. oping amp AET TP2000 1SPL 2000mAh 0190 LiCoO2 carbon 11 sl AGM INR34600K2 7500mAh 0210 NiCoMn carbon sel Alees 26700FE 3300mAh 0411 LiFePO4 carbon E Alees A2770102 13000mAh 0412 LiFePO4 carbon Ss Amita LPC 776285M 0204 NiCoMn carbon S Amita LPC5099130L 5120 mAh 0304 NiCoMn carbon 4 2V amp Amita LPC7768251 2700 mAh 0304 NiCoMn carbon 4 2V be Update chemistry in data flash Chemistry Version 264 Figure 6 Chemistry Screen The table can be sorted by clicking the desired column for example Click the Chemistry ID column header Select the ChemID that matches your cell from the table see Figure 6 Press the Update Chemistry in the Data Flash button to update the chemistry in the device SLUUAV7A December 2013 Revised July 2015 bq40z50EVM Li lon Battery Pack Manager Evaluation Module 9 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS Battery Management Studio www ti com 3 5 Firmware Screen Press the Firmware button to select the Firmware Update window This window allows the user to export and import the device firmware El Firmware 23 Firmware Update Firmware Update F W Programming Program CA bqg40250 v0 11 build 23 srec Browse V Execute after programming Read Srec C bq40z50_test srec Browse Figure 7 Firmware Screen 3 5 1 Programming the Flash Memory The upper section of the Firmware
33. ovide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period Regulatory Notices 3 4 United States 3 1 1 Notice applicable to EVMs not FCC Approved This kit is designed to allow product developers to evaluate electronic components circuitry or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product This kit is not a finished product and when assembled may not be resold or otherwise marketed unless all required FCC equipment authorizations are first obtained Operation is subject to the condition that this product not cause harmful interference to licensed radio stations and that this product accept harmful interference Unless the assembled kit is designed to operate under part 15 part 18 or part 95 of this chapter the operator of the kit must operate under the authority of an FCC license holder or must secure an experimental authorization under part 5 of this chapter 3 1 2 For EVMs annotated as FCC FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant CAUTION This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interfe
34. ransfer EVMs unless User gives the same notice above to the transferee Please note that if User does not follow the instructions above User will be subject to penalties of Radio Law of Japan RRER AES ORMORKRTY LESREVCSOROERSE BHT v LOPCERMSRBATHeSTT UVEWVEOPHWET KABA SH CUSVEOOCPAIRL CIE BRABTOLO ALFOUTHAD PEER TWEE BEPHWETNCCER lt K EE 1 er ea TONNEN Eme CEPR OMISIT REC 2 SERIO SER EH C SHU EE 3 fx EXE38 C EEB EREKTA ZA Bolt LEO TEACO TOE CRE ESSCLOBAUEUIRU RE i c sxUtocussd ERUOG STIBU ZR UUESIQ BRAN RAIMBAE NSRP HOCCeCHB lt KEEW ARTETA 4 YAYINLA YARNS Raw ie Raa 6 TA 24815 PERTH FEIL 3 3 3 Notice for EVMs for Power Line Communication Please see http www tij co jp Isds ti ja general eStore notice 02 page SRA BIO COMBA v LEB EUICSSRORBSRICIUTHH RNECZECKE lt KEKEE Uo http www tij co jp Isds ti_ja general eStore notice_02 page 4 EVM Use Restrictions and Warnings 4 1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND OR SAFETY CRITICAL EVALUATIONS INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS 4 2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM including without limitation any warning or restriction notices The notices contain important safety information related to for example temperatures and voltages 4 3 Safety Related Warnings and Restrictions 4 3 1 User shall ope
35. rate the EVM within Tl s recommended specifications and environmental considerations stated in the user guide other available documentation provided by TI and any other applicable requirements and employ reasonable and customary safeguards Exceeding the specified performance ratings and specifications including but not limited to input and output voltage current power and environmental ranges for the EVM may cause personal injury or death or property damage If there are questions concerning performance ratings and specifications User should contact a TI field representative prior to connecting interface electronics including input power and intended loads Any loads applied outside of the specified output range may also result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors current sense resistors and heat sinks which can be identified using the information in the associated documentation When working with the EVM please be aware that the EVM
36. rcuit modules 5 1 Board Layout This section shows the dimensions PCB layers see through Figure 17 and assembly drawing for the bq40z50 modules sys PACK SMBD SMBC VSS LED DISPLAY PRES JUMPER BAT SMBD SMBC DSG CHG J 82 PWR561 Rev C SRP e c5 LEDS LED4 LEDS LED2 LED LED DISPLAY SHUTDOWN RIS Ki FUSEPIN TP12 For evaluation only not FCC approved for resale Figure 10 Top Silk Screen TEXAS O ki INSTRUMENTS Q Z Figure 11 Bottom Silk Screen dse sea 5 Eg e Ne S3 Cm dae Figure 12 Top Assembly 14 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Circuit Module Physical Layouts Figure 13 Bottom Assembly i 1250 mil a Figure 14 Top Layer a mil y ORCC CO OR ORO e e E 00 O fo 1250 mil a o89 o3 Oo
37. rence that may cause undesired operation Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment FCC Interference Statement for Class A EVM devices NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 3 2 3 3 FCC Interference Statement for Class B EVM devices NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference
38. ry Pack QFN BQ40Z50RSMR T R1 Tl R1 Manager 1 U2 IC Overvoltage Protection for 2 Series DSG0008A BQ296103DSGT TI 3 Series and 4 Series Cell Li lon Batteries with Regulated Output Supply DSG0008A 1 wi Cable assembly 4 pin N A CBL002 TI 1 IPCB Printed Circuit Board 4 25inx PWR561 Any 1 25 in 18 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Copyright 2013 2015 Texas Instruments Incorporated Submit Documentation Feedback 1 TEXAS INSTRUMENTS www ti com Related Documentation from Texas Instruments 7 Related Documentation from Texas Instruments bq40z50 1 Series 2 Series 3 Series and 4 Series Li lon Battery Pack Manager data sheet SLUSBS8 bq40z50 Technical Reference Manual SLUUA43 bq296000 BQ2960XY BQ2961XY Overvoltage Protection for 2 Series 3 Series and 4 Series Cell Li lon Batteries with Regulated Output Supply SLUSBU5 Revision History Changes from Original December 2013 to A Revision Page Changed bq294700 to bq296000 throughout ceeceeee eee cece eee e ee nn enn e Ie heme hh hn he nme nemen nennen I Changed schematic assembly layout layer and trace graphics seesseeseeseeeennn Innen 4 Changed Bill of Materials 5 cene onm peu pue I usc Dec Ee IK EI DER Due ERES NDA RANA DEDE RAF UM MAD eNU M C NU KR NEU SES 18 Added Related Documentation information for bq296000 data sheet cseeesseeseeeeenn mnn n
39. s Tl reserve the right to make corrections enhancements improvements and other changes to its semiconductor products and services per JESD46 latest issue and to discontinue any product or service per JESD48 latest issue Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All semiconductor products also referred to herein as components are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its components to the specifications applicable at the time of sale in accordance with the warranty in Tl s terms and conditions of sale of semiconductor products Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by applicable law testing of all parameters of each component is not necessarily performed TI assumes no liability for applications assistance or the design of Buyers products Buyers are responsible for their products and applications using Tl components To minimize the risks associated with Buyers products and applications Buyers should provide adequate design and operating safeguards 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 relating to any combination machine
40. screen is used to initialize the device by loading the default srec into the flash memory see Figure 7 Search for the srec file using the Browse button Select the Execute after programming box to automatically return the device to Normal mode after programming has completed Press the Program button and wait for the download to complete 3 5 2 Exporting the Flash Memory The lower section of the Firmware screen is used to export all of the flash memory from the device see Figure 7 Press the Browse button and enter an srec filename Press the Head Srec to save the flash memory contents to the file Wait for the download to complete 10 bq40z50EVM Li lon Battery Pack Manager Evaluation Module SLUUAV7A December 2013 Revised July 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Battery Management Studio 3 6 Advanced Comm SMB Screen Press the Advanced Comm SMB button to select the Advanced SMB Comm window This tool provides access to parameters using SMB and Manufacturing Access commands See Figure 8 Egi Advanced Comm SMB 23 Advanced Comm SMB Advanced Comm Config Protocol SMB Target Address 17 23 Hex Dec Word Read Write Command Word Type Send Cmd Hex gt Hex Dec s Read Word Ox Hex Dec Write Word 0x Hex Dec Block Read Write Block Type Read Block Ox Hex v He Dec Write Blo
41. stry Screen The chemistry file contains parameters that the simulations use to model the cell and its operating profile It is critical to program a Chemistry ID that matches the cell into the device Some of these parameters can be viewed in the Data Flash section of the Battery Management Studio Press the Chemistry button to select the Chemistry window 1 ol a Chemistry 23 Most Li ion cells use LiCoO2 cathode and graphitized carbon anode which is supported by the default firmware in the Impedance track fuel gauges This tool allows the fuel gauge to be set up for various alternate battery chemistries Use this tool to load settings for any alternate chemistry if your cell manufacturer indicates that their cells use a different chemistry than LiCoO2 cathode and graphite anode Note Right Click on the selected chmistry to apply it to individual cells The menu appears only if the f w supports individual cell chemistries Manufacturer Model Chemistry ID Description Sj A amp TB LGR186500U 0100 LiCoO2 graphitized carbon default Eao ALPBA002 3430mAh 0207 NiCoMn carbon 2 amp A123 ANR26650M1 B 2500mAh 0440 LiFePO4 carbon s A123 Systems 26650A 0400 LiFePO4 carbon S A123 Systems APR18650M1 1100 mAh 0404 LiFePO4 carbon amp AA Portable Power LFP 18650 1500 1500 mAh 0439 LiFePO4 carbon amp AEenergy AE1004765 3500mAh 0131 LiCoO2 carbon 4 E AEenergy AE583696PM1HR 2150 mAh 0222 PSS LiNiO2 with Co Mn d
42. ule Copyright 2013 2015 Texas Instruments Incorporated I TEXAS INSTRUMENTS Bill of Materials www ti com 6 Bill of Materials COUNT RefDes Value Description Size Part Number MFR 16 C1 6 C8 12 C14 18 0 1 uF Capacitor Ceramic Chip 50 V X7R 0603 C0603C104M5RACTU Kemet 20 C7 0 47 uF Capacitor Ceramic 0 47 uF 10 V X5R 0603 C0603C474K8PACTU Kemet 1096 1 C13 2 2 uF Capacitor Ceramic 25 V X7R 20 0805 C2012X7R1E225M085AB TDK 0 C19 21 DNP Capacitor Ceramic 50 V X7R 2096 0603 C0603C104M5RACTU Kemet 1 D1 BAT54HT1G Diode Schottky 200 mA 30 V SOD323 BAT54HT1G On Semi 3 D2 4 MM3Z5V6C Diode Zener 5 6V 200mW SOD323 MM3Z5V6C Fairchild 5 D5 9 SML X23GC LED 2x3mm 565nm GRN WTR CLR 1206 SML X23GC Lumex SMD 0 F1 DNP Fuse Slo Blo Ceramic xxA yyyV SFDxxx SFDxxxx Sony 1 R1 300 Resistor Chip 1W 596 2512 CRCW2512300RJNEG Vishay Dale 3 R2 3 R5 10M Resistor Chip 1 10 W 596 0603 CRCW060310MOJNEA Vishay Dale 3 R4 R12 R32 10K Resistor Chip 1 10 W 5 0603 CRCWO060310K0JNEA Vishay Dale 1 R6 51K Resistor Chip 1 16 W 596 0603 CRCW060351KOJNEA Vishay Dale 5 R7 8 R10 R16 17 5 1K Resistor Chip 1 10 W 5 0603 CRCWO06035K10JNEA Vishay Dale 10 R9 R11 R20 23 100 Resistor Chip 1 10 W 596 0603 CRCW0603100RJNEAHP Vishay Dale R25 R27 R30 31 5 R13 15 R18 R29 1K Resistor Chip 1 10 W 5 0603 CRCWO
43. urrent to less than 40 mA for a 4S configuration The user can change H1 to setup the pre charge current to a different value LED Control The EVM is configured to support five LEDs to provide state of charge information for the cells The LED interface is enabled by entering a 0x0027 command in the Manufacturing Access register on the Registers screen Press the LED DISPLAY button to illuminate the LEDs for approximately 5 seconds Emergency Shutdown The Emergency Shutdown function allows the user to disable the charge and discharge FETs with an external GPIO pin The EMSHUT and NR bits must be set high in the DA Configuration register to enable this feature Press the SHUTDOWN pushbutton switch for one second to disable these FETs and press it again for one second to enable them NOTE Remember to remove the SYS PRES to PACK short if present Testing Fuse Blowing Circuit To prevent the loss of board functionality during the fuse blowing test the actual chemical fuse is not provided on the EVM FET Q5 drives the FUSE test point low if a fuse blow condition occurs FUSE is attached to an open drain FET so a pull up resistor is required to check whether the FUSE pulls low A FUSEPIN test point is attached to the gate of Q5 so monitoring FUSEPIN can be used to test this condition without adding a pull up resistor Fuse placement on the application board is shown in the bq40z50 data sheet A chemical fuse can also be soldered to the E
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