DK-LM3S-DRV8312 Development Kit User`s Manual
Contents
1. C 3 3VD 6 150 1 J8 1 4 iCLK O EN IGPIO 2 SS IGND iGPIO 4 ISO7241ADW V 3 3V D C 3 3VD IGND C106 C107 GND IGND SCH REV T PCB REV D PAGE INFO ISOLATION CIRCUIT DATE MARCH 23 2011 SHEET 4 OF 6 DESIGN LEAD RYAN KEHR EDGE 6517813 FILENAME DRV8312EVM RevD DRAWN BY LDN DRV8312 EVALUATION BOARD REVISION HISTORY REVISION DESCRIPTION DATE APPROVAL DELETED OUTA OUTB OUTC ADDED OUTPUT CONNECTOR TITLED MOTOR CONNECTED 12 2 L3 2 AND 14 2 TO MOTOR 1 2 AND 3 RESPECTIVELY DELETED PVDD GND 12V AND GND GND2 ADDED POWER CONNECTOR VIN CONNECTED VIN 4 TO C1 1 CONNECTED VIN 2 3 GND CONNECTED VIN 1 TO 12V ADDED TESTPOINTS TO IA FB IB FB IC FB AND I TOTAL ADDED 2 PIN HEADERS J2 AND J3 FOR USER POWER ACCESS CONNECTED J2 1 2 TO 5V AND GND CONNECTED J3 1 2 TO 3 3V AND GND COMBINED ENCODER AND CAP INTO ONE 2x5 HEADER TITLED J4 ADDED 3 PIN HEADER JP3 LABELED TACH SPEED INPUT MARCH 23 2011 CONNECTED JP3 1 2 3 TO 3 3V J1 7 AND GND RESPECTIVELY RENAMED S1 TO RSTA SWAPPED U1 29 AND U1 30 ADDED 40 PIN HEADER J5 AND CONNECTED PINS TO ACTIVE PINS OF J1 ADDED SWITCHES S1 AND S2 TO U1 76 AND U1 78 COPIED DAC1 CIRCUIT CALLED DAC3 AND CONNECTED TO J1 28 CHANGED R24 R27 TO 33 0 OHMS CHANGED R28 R35 R56 R61 TO 1 00K OHMS CHANGED R48 R49 R54 AND R55 TO 49 9K OHMS ADDED ISOLATION CIRCUITS ADDED 12V CONNECTOR J9 CHANGED C42. HAm FiO CHALET TNE CHEK BEAIBALEURY 0 lt 1 0 38578 0975105214 40 2 de lt AAFFUA RREA 6 JH24K15 NE http www tij co jp EVALUATION BOARD KIT MODULE EVM WARNINGS RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only in Laboratory Development Environments Unless otherwise indicated this EVM is not a finished electrical equipment and not intended for consumer use It is intended solely for use for preliminary feasibility evaluation in laboratory development environments by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components systems and subsystems It should not be used as all or part of a finished end product Your Sole Responsibility and Risk You acknowledge represent and agree that 1 You have unique knowledge concerning Federal State and local regulatory requirements including but not limited to Food and Drug Administration regulations if applicable which relate to your products and which relate to your use and or that of your employees affiliates contractors or designees of the EVM for evaluation testing and other purposes 2 You have full and exclusive responsibility to assure the safety and compliance of your products with all such laws and other applicable regulatory requirements and also to a
3. TO 22UFD 100V CHANGED C5 AND C6 TO 100V PAGE INFO REVISION HISTORY DATE MARCH 23 2011 DESIGN LEAD RYAN KEHR EDGE 6517813 FILENAME DRV8312EVM RevD M O O1 BR WN SCH REV PCB REV D SHEET 5 OF 6 DRAWN BY LDN DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE SCHEMATIC DISCLAIMER AND WARNINGS provides the schematic drawings to help users develop DRV8312 amp Stellaris MCU based reference design products Application safety safety of the Medium Voltage DMC kit and design integrity of such reference designs are solely responsibility of the user Any reference designs generated off these schematics must take into account necessary product safety design requirements including interface components and load motors in order to avoid user risks including potential for fire hazard electrical shock hazard and personal injury including considerations for anticipated agency certification compliance requirements Such product safety design criteria shall include but not be limited to critical circuit creepages and clearances component selection ratings compatibility of controlled motor loads and required protective means ie output fusing depending on the specific loads being controlled accepts no responsibility for design integrity of any reference designs based on supplied schematic drawings and the schematics are strictly for development purposes EVALUATI ON BOARD KI T IMPORTANT NOTICE Texas Instr
4. components connected to the EVM wi TEXAS INSTRUMENTS Rev 1 0 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE 165 yN H 8 1 Shui eee a 421 LII 6 K 1 2 tt ts s VRI 12V Aq X J AST ERN GND LE n iT ER C2 MRI ay Lu dul e ziii i8 sz wem d m DACI _ DAC2 D gt T EX 2 2 C38 TIT ETT TT WARNING HIGH VOLTAGE 9 RSJ i HET IB FB I 7 RESET 2 dp 2 INSTRUMENTS DRV8312EVM 4 mos 9 6517813 RevC PW Figure 2 DRV8312 Baseboard Kit Features The kit has the following features e Three Phase Power Stage DRV8312 capable of driving three phase brushless DC motors and Permanent Magnet Synchronous Motors 52 5 V DC max input voltage e 6 5 A peak with a 3 5 A max continuous output current per phase Upto 500 khz driver switching frequency e 24 V switching power supply with on board regulation for powering other analog and digital circuitry e Isolated CAN and SPI communication controICARD support dependent e Closed loop digital control with feedback using the Stellaris microcontroller s on chip PWM and ADC peripherals 45 TEXAS INSTRUMENTS 1 0 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE e JTAG connector for external emulato
5. medium voltage line up to 52 5V that provides the voltage to the inverter stage to generate three phases to control the motor s Connect supplied 24 V regulator to J9 For step by step instructions on configuring the DRV8312 baseboard for use with a Stellaris controlCARD see the DK LMS3S DRV8312 Read Me First document DRV8312 Functional Block Diagram DRV8312 DC Bus Voltage Feedback PWM 1A PWM 2A PWM 3A Inc Encoder RESET An Taco RESET Bn RESET Cn Phase Current Feedback DC Bus Current Feedback Figure 5 DRV8312 Functional Diagram Xi TEXAS INSTRUMENTS Rev 1 0 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE References In addition to this document the following references are included on the Stellaris controlCARD Development Kit CD and are also available for download at www ti com stellaris e Stellaris LM3S818 control CARD Module MDL LM3S8ISCNCD README First publication MDL LM3S818CNCD RMF e Stellaris LM3S818 control CARD Module MDL LM3S8ISCNCD User s Manual publication MDL LM3S818CNCD UM e Stellaris Development and Evaluation Kits for Code Composer Studio Quickstart Guide Stellaris LM3S818 Microcontroller Data Sheet publication DS LM3S818 StellarisWare Driver Library StellarisWare Driver Library User s Manual publication SW DRL UG Stellaris DK LM3S DRVS312 InstaSPIN BLDC README First publication DK LM3S DRV8312 RMF e Medium Voltage Digi
6. 000Kohms R25 0 1000uF 2 7 ao 19 1000Kohms STUFF OPTION GND we R48 ve R18 25V D MM lt 3 3V 19 57 6000Kohms gt TU C23 C30 220 0000pF 0 1000uF 1 0000uF IS TOT AL 41 GND Es PR lt PVDD 40 GND C36 C37 OA1 gt 0 1000uF 0 1000uF IN V 5 R20 0 00000hms 47 0000uF 1 0000uF GND shielded GND OI TOTAL Gud GNE 470uH 1 0000K ohms R24 38 3000Kohms IS IhbC IS IhbC IS TOTAL R50 10 0000mohms R38 95 3000Kohms ADC Vhb3 R39 C50 ve lee HIGH VOLTAGE WARNING FOR VOLTAGE POTENTIALS OF 50 OR GREATER ROUTED GROUND Shielded GND SHIELDED FROM GND PLANE IS TOTAL GAD T 2900 IS TOTAL R53 10 0000mohms IS IhbB C33 ADC Vhb2 RESET 0 1000uF RESET B C43 meg 0 1000uF 1 00000hms RESET_A 1 B 4 7000uH R44 30 0000Kohms 95 3000Kohms ADC Vhb1 IS IhbB R43 C56 4 9900Kohms 0 0470uF R52 GND GND 10 0000mohms R45 C55 4 9900Kohms 70 0470uF T GND GND R55 V r R64 4 7000uH e 25V 2587000 ms 93V C39 PWMAC gt 220 0000pF 0 10000 IS IhbB 10645 C46 GND 0 1000uF OA4 28 V x GND 1 R23 IS TOTAL C34 DRV8312DDW OIB FB 1 0000uF 1 0000Kohms R27 xm did 19 1000Kofims re STUFF OPTION
7. 392 00000hms x R54 R63 ZXM62P03E6TA TS ND NS lt C35 C29 1 0000uF U1 220 0000pF 0 1000uF IS IhbA T GND GND 392 00000hms 2 62 6 zm R22 0 00000hms IS TOTAL OIA FB 1 0000Kohms R26 19 1000Kohms SCH REV D PAGE INFO DRV8312 EVALUATION BOARD DATE MARCH 23 2011 SHEET 1 OF 6 DESIGN LEAD RYAN KEHR EDGE 6517813 FILENAME DRV8312bEVM RevD DRAWN BY LDN DRV8312 EVALUATION BOARD TO ISOLATION CIRCUIT ADC Vhb1 ADC Vhb3 I TOTAL STATUS GPIO 28 J12 1 6 R72 330 00000hms 2 5 lt 3 3V SH DAC EE gt TORAH T E 330 0000ohms L SN74LVC2G17DBV k GND di LED10 Gr LED11 C73 GND GND 0 1000 GND A DGND 5V IN GPIO 34 GPIO 33 GPIO 32 GPIO 31 GPIO 30 GPIO 29 GPIO 28 GPIO 23 GPIO 22 5V IN GPIO 87 LED 2 470 00000hms 0 4700 GND DAC 1 SEES GPIO 24 20 BE GPIO 49 18 SPI SOMI GPIO 17 16 3 3V R70 JP3 4 9900Kohms 1 2 8 C70 START GND 0 1000uF GND V R71 4 9900Kohms 5V IN DGND GPIO 27 GPIO 26 GPIO 25 GPIO 24 GPIO 14 GPIO 15 OTW Lo mw oo a 5V IN GPIO 86 GPIO 85 GPIO 84 GPIO 49 GPIO 48 JP5 DAC 2 GPIO 11 GPIO 10 1 2 ES C71 O O STOP END 0 1000uF IN IN o o oo qo ko o N o J
8. DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE Medium Voltage Digital Motor Control Kit for Stellaris Microcontrollers DK LM3S DRV831 2 The Medium Voltage Digital Motor Control DMC kit DK LM3S DRV8312 shown in Figure 1 provides a great way to learn and experiment with digital control of medium voltage brushless motors to increase efficiency of operation This document describes the DRV8312 hardware and explains the functions and locations of jumpers and connectors present on the board Figure 1 DK LM3S DRV8312 Kit Stellaris Version WARNING This EVM is meant to be operated in a lab environment only and is not considered by Texas Instruments to be a finished end product fit for general consumer use This EVM must be used only by qualified engineers and technicians familiar with risks associated with handling high voltage electrical and mechanical components systems and subsystems This equipment may be operated at voltages and currents that can result in electrical shock fire hazard and or personal injury if not properly handled or applied Equipment must be used with necessary caution and appropriate safeguards employed to avoid personal injury or property damage It is the user s responsibility to confirm that the voltages and isolation requirements are identified and understood prior to powering the board and or simulation If powered with a supply other than the one included in the kit do not touch the EVM or
9. O N o OQ O N o JR DAC3 START DAC_PWM3 GPIO 09 GPIO 08 LE 5V IN DGND ZZ 26 GPIO 07 GPIO 06 RESET CT 75 GPIO 05 GPIO 04 PUM E N JO o o o o o o JO o o JO N o o N jo pfo JO IN o 0 4700uF 0 4700uF N RESET B GPIO 03 GPIO 02 N d PWM B PWM A GPIO 01 GPIO 00 23 GPIO 63 GPIO 62 po ADC A7 7 21 GPIO 61 GPIO 60 20 19 ADC A6 ADC B6 GPIO 59 GPIO 50 ADC A5 ADC B5 NC NC ADC Vhb3 ADC B4 AGND lt 1 5VD ADC B3 R57 R61 g 1 0000Kohms AGND ENCODER ADC B2 TACH SPEED INPUT 3 3V AGND ADC B1 AGND gt N 5 w o o o o R66 ADC A0 ADC BO 10 0000Kohms n BU UH Kens 303W NOR UA GND ISO GND ISO NC GND NC TXBO106PW GND NC NC C72 V33 ISO 33450 1 0000uF I TOTAL lL iu fire pare 0 ADC Vhb1 ADC Vhb2 qwe C41 0 1000uF C44 C47 C49 C52 VDCBUS 0 1000uF GND R12 R13 GND PvoD gt 95 3000Kohms 4 9900Kohms GND PAGE INFO DRV8312 EVALUATION BOARD DATE MARCH 23 2011 DESIGN LEAD RYAN EDGE 6517813 FILENAME DRV8312EVM_RevD DRAWN BY LDN DRV8312 EVALUATION BOARD BOM ONLY STANDOFFS GROUND TESTPOINTS AIN POWER IN R1 PVDDIN PVDD Ip V 0 1000
10. VM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation some circuit components may have case temperatures greater than 60 C as long as the input and output are maintained at a normal ambient operating temperature These components include but are not limited to linear regulators switching transistors pass transistors and current sense resistors which can be identified using the EVM schematic located in the EVM User s Guide When placing measurement probes near these devices during normal operation please be aware that these devices may be very warm to the touch As with all electronic evaluation tools only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use these EVMs Agreement to Defend Indemnify and Hold Harmless You agree to 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 connection with any use of the EVM that is not in accordance with the terms of the agreement This obligation shall apply whether Claims arise under law of tort or contract or any other legal theory and even if the EVM fails to perform as described or expected Safety Critical or Life Critical Applications If you intend to evaluate the components for possible use in
11. and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appropriate precautions with regard to electrostatic discharge EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive wis TEXAS INSTRUMENTS Rev 1 0 13 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE Tl assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information Tl s environmental and or safety programs please contact the TI application engineer or visit www ti com esh No license is granted under any patent right or other intellectual property right of covering or relating to any machine process or combination in which such TI products or services might be or are used Mailing Address Texas Instruments Post Office Box 655303 Dallas T
12. ate this radio in legally acceptable frequency space and within legally mandated power limitations Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental development licenses from local regulatory authorities which is responsibility of user including its acceptable authorization 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 interference 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 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 ca
13. exas 75265 Copyright 2010 Texas Instruments Incorporated FCC Warning This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC rules which are designed to provide reasonable protection against radio frequency interference Operation of this equipment in other environments may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference Copyright 2011 Texas Instruments Inc All rights reserved Stellaris and StellarisWare are registered trademarks of Texas Instruments ARM and Thumb are registered trademarks and Cortex is a trademark of ARM Limited Other names and brands may be claimed as the property of others Texas Instruments 108 Wild Basin Rd Suite 350 m m Austin TX 78746 Cor ex http www ti com stellaris Intelligent Processors by ARM INSTRUMENTS Rev 1 0 11 17 2011 EVALUATION BOARD KIT MODULE EVM ADDITIONAL TERMS Texas Instruments TI provides the enclosed Evaluation Board Kit Module EVM under the following conditions The user assumes all responsibility and liability
14. for proper and safe handling of the goods Further the user indemnifies TI from all claims arising from the handling or use of the goods Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full retund THE FOREGOING LIMITED WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES Please read the User s Guide and specifically the Warnings and Restrictions notice in the User s Guide prior to handling the product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please visit www ti com esh or contact TI No license is granted under any patent right or other intellectual property right of TI covering or relating to any machine process or combination in which such TI products or services might be or are used TI currently deals with a variety of customers for products and therefore our arrangement with the user is not exclusive Tl assumes no liability for applications assistance customer product design software perfor
15. mance or infringement of patents or services described herein REGULATORY COMPLIANCE INFORMATION As noted in the EVM User s Guide and or EVM itself this EVM and or accompanying hardware may or may not be subject to the Federal Communications Commission FCC and Industry Canada IC rules For EVMs not subject to the above rules this evaluation board kit module is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATION OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use It generates uses and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio frequency interference Operation of the equipment may cause interference with radio communications in which case the user at his own expense will be required to take whatever measures may be required to correct this interference General Statement for EVMs including a radio User Power Frequency Use Obligations This radio is intended for development professional use only in legally allocated frequency and power limits Any use of radio frequencies and or power availability of this EVM and its development application s must comply with local laws governing radio spectrum allocation and power limits for this evaluation module It is the user s sole responsibility to only oper
16. mponent is not necessarily performed assumes 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 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 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 f
17. nt 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 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 antenne num r s dans le manuel d usage et ayant un gain admissible maximal et l imp 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 Important Notice for Users of this Product Japan Thi
18. or that component or service voids all express and any implied warranties for the associated Tl 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 Buyer represents and agrees that it has all 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 and its representatives against any damages arising out of the use of any TI components in safety critical applications In some cases Tl components may be promoted specifically to facilitate safety related applications With such components Tls 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 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 ag
19. ould self protect itself The motor s inductance and the inverter s bootstrap capacitance will allow the DRV8312 to run efficiently until approximately 10 kHz with margin Setting the PWM switching frequency below 10 kHz may cause issues on the inverter output and is not recommended See the DRV8312 data sheet for more information Hardware Overview Figure 3 shows a typical motor drive system running from either a laboratory power supply the 24 V supply delivered with the kit The DRV8312 C2 KIT s motor control board has all the power and control blocks that constitute a typical motor drive system for a step motor or two brushed DC motors Figure 5 5 TEXAS INSTRUMENTS Rev 1 0 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE Laboratory power supply Digital Motor 3 phase Control inverter DRV8312 C2 KIT Figure 3 Typical Motor Drive System Block Diagram Macro Blocks The motor control board is divided into functional groups that enable a complete motor drive system These functional groups are called macro blocks This list describes the macro blocks that are present on the board and their functions Hev 1 0 ISO controICARD socket Socket for a Stellaris or C2000 MCU based control CARD DC Bus Connection e J9 power entry jack Connect the supplied 24 V power supply here e PVDD GND Terminals Connect an external lab supply here making sure to Observe correct polarity Aux 12 V Control Powe
20. r Entry Connectors to optionally provide an external 12 V supply for logic and gate drive power The 12 V supply can also be regulated on board from the DC bus depending on the setting of JP1 Set to the VRI position to use the on board regulator Set to position 12 V to use the external regulator DRV8312 This module includes the DRV8312 Three Phase PWM Motor Driver and all of the necessary external passive components Current Sense Low side shunt current sensing on each half bridge Reset Switch Individual reset for each half bridge Reset can be forced manually from the three position switch or through a GPIO from the MCU Setting switch in the down position RESET disables the half bridge outputs Setting the switch in the middle position will allow control through a GPIO on the MCU Setting the switch in the up position NORMAL disables control from the MCU and enables the half bridge outputs X3 TEXAS INSTRUMENTS DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE e Mode Jumper MI DRV8312 mode can be set to select between cycle by cycle current limit or latched over current e Quadrature Encoder Connections Connections are available for an optional shaft encoder to interface to the MCU s QEP peripheral e Hall Effect Sensor Connections Connections are available for optional Hall Effect Sensors Figure 4 shows the position of the macro blocks on the board All the PWMs and ADC
21. reement specifically governing such use Only those components which 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 which meet ISO TS16949 requirements mainly for automotive use Components which have not been so designated are neither designed nor intended for automotive use and TI will not be responsible for any failure of such components to meet such requirements Products Audio Amplifiers Data Converters DLP Products DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID OMAP Applications Processors Wireless Connectivity www ti com audio amplifier ti com dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com power ti com microcontroller ti com www ti rfid com www ti com omap Applications Automotive and Transportation Communications and Telecom Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Video and Imaging 2 Community www ti com
22. rs not used with Stellaris microcontrollers e Quadrature Encoder Interface QET available for speed and position measurement e Hall Sensor Interface for sensored three phase motor control e High precision low side current sensing using the Stellaris microcontroller 5 high performance ADC Texas Instruments OPA365A high speed op amps and Texas Instruments REF3025 high precision voltage reference chip e Three PWM DACs generated by low pass filtering the PWM signals to observe the system variables on an oscilloscope to enable easy debug of control algorithms e Over current protection on the inverter stage DRV8312 The software available with the kit is pre optimized for the motors that are available with the kit The software is open source and therefore can be easily modified to tune and run a different motor The following motor 15 available with the kit Nema Size 17 BLDC Motor 11A peak current 4000RPM WARNING Low Switching Frequencies on the DRV8312 When the DRV8312 runs at a low switching frequency for example less than 20 kHz with 47 nF bootstrap capacitor the bootstrap capacitor voltage might not be able to maintain a proper voltage level for the high side gate driver A bootstrap capacitor under voltage protection circuit BST UVP will start under this circumstance to prevent the potential failure of the high side MOSFET In this circumstance both the FAULT and OTW pins should pull low and the device sh
23. s development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan you are required by Radio Law of Japan to follow the instructions below with respect to this product 1 Use this product 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 this product only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use ofthis product only after you obtained the Technical Regulations Conformity Certification as provided in Radio Law of Japan with respect to this product Also please do not transfer this product unless you give the same notice above to the transferee Please note that if you could not follow the instructions above you will be subject to penalties of Radio Law of Japan Texas Instruments Japan Limited address 24 1 Nishi Shinjuku 6 chome Shinjuku ku Tokyo Japan http www tij co jp gt cox RAT HM dd 0 EAS ESTRI RU A CIE BREBTOE D UFOUWUTHADBHBEMITULEKDEPSWKTFOCCHERBKESEW 1 SEAT RERE 13828 15 C O XE RC185E3 H28 H S3 E 1735 C XE 5 7 ORE S SOMERS B 77 lt 2 R ROSEEBSSCEBRBUIIEC 3 EB 35546 16907 75 lt 15 45
24. safety critical applications such as life support where a failure of the TI product would reasonably be expected to cause severe personal injury or death such as devices which are classified as FDA Class lll or similar classification then you must specifically notify Tl of such intent and enter into a separate Assurance and Indemnity Agreement Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2012 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries 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 deems necessary to support this warranty Except where mandated by applicable law testing of all parameters of each co
25. signals which are the actuation and sense signals have designated test points on the board which makes it easy for an application developer to try out new algorithms and strategies Isolated Isolated 1 1 12V DC Bus to SPI CAN Power Source Sense 12V Regulator Selection Amplifiers External JTAG DRV8312 Interface Motor Hall Connections Interface DC Bus Connections PYDDIN GMD ovo INSTRUMENTS DRV8312EVM Lo 6517813 PYDO Current Socket Mode Reset Sense Jumper Amplifiers Figure 4 DRV8312 EVM Board Macros Wi TEXAS INSTRUMENTS Rev 1 0 DK LM3S DRV8312 BASEBOARD HARDWARE REFERENCE GUIDE Board Power The board is separated into two power domains 1 the low voltage Controller Power domain powers the controller and the logic circuit present on the board and 2 the medium voltage power delivery line that is used to carry the medium voltage and current such as the DC power for the Inverter also referred to as DC Bus 1 Controller Power comprised of the 12 V 5 V and 3 3 V that the board uses to power the controller and the logic and sensing circuit present on the board This power can be sourced from two places Jumper 1 1 selects between the two e 12 DC control power entry Connect an external bench supply with 1A current limit here e On board regulator VR1 12V is regulated from DC bus power via an on board buck regulator 2 DC Bus Power is the
26. ssure the safety of any activities to be conducted by you and or your employees affiliates contractors or designees using the EVM Further you are responsible to assure 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 3 You will employ reasonable safeguards to ensure that your use of the EVM will not result in any property damage injury or death even if the EVM should fail to perform as described or expected 4 You will take care of proper disposal and recycling of the EVM s electronic components and packing materials Certain Instructions It is important to operate this EVM within recommended specifications and environmental considerations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause property damage personal injury or death If there are questions concerning these ratings please 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 result in unintended and or inaccurate operation and or possible permanent damage to the EVM and or interface electronics Please consult the EVM User s Guide prior to connecting any load to the E
27. tal Motor Control Kit for Stellaris Microcontrollers DK LM3S DRV8312 Baseboard Hardware Reference Guide publication DK LM3S DRV8312 RG Three Phase PWM Motor Driver DRVS312 Data Sheet publication SLES256 e Sensorless Trapezoidal Control of BLDC Motors Using BEMF Integration InstaSPIN BLDC on Stellaris Microcontrollers Application Note publication ANO1289 Additional references include e The GUI and corresponding Stellaris code were developed by D3 Engineering The GUI was created using Crosshairs Interface Designer from Crosshairs Embedded There are links to each of the companies web sites within the GUI There is also information for downloading Crosshairs Interface Designer so that you can modify the GUI that comes with this kit The More tab gives a brief overview of the Interface Designer software e Crosshairs Embedded www crosshairsembedded com e Engineering www d3engineering com Schematics This section contains the schematics for the DK LM3S DRV8312 evaluation board DRV8312 Evaluation Board sheets 1 and 2 e Power Inputs and Supplies sheet 3 e Isolation Circuit sheet 4 e Revision History sheet 5 TEXAS INSTRUMENTS Rev 1 0 DRV8312 EVALUATION BOARD siii C20 24 33 00000hms 220 0000pF IS IhbC R29 0 1000uF GND OA2 5 IN V 1 R21 S TOTAL 0 00000hms gt IC FB C12 gt 1 0
28. uF 3 30000hms GND C3 VO LTAG qM qe EMI WARNING gt SNUBBER R3 R4 4 9900Kohms 4 9900Kohms 2 4900Kohrhs PVDD NOM 50V MAX 52 5V JP1 1 2 GVDD VR1 2 3 GVDD AUX 12V C7 0 1000uF AUX 12V EXTERNAL VR1 L1 12V INPUT UU 39 0000uH PVDD gt C10 CR1 4 5 30BQ100 10 0000Kdhms 00 0000uF 442 0000Kohms GND GND GND R6 C6 R7 TPS 54160D GQ m 681 00000hms 33 2000Kohms 0 0150uF 205 0000Kohms 180 0000pF 12 0000pF VR1 GND GND GND GND GND GND 10 0000Kohms GVDD GVDD 3 3V VR4 2 5V 2 V C38 CNE J J3 5V gt 1 3 3V gt 1 2 2 GND GND UA78MOSCDCY zin TL1963A 33DCY m REF3025AIDBZ GND GND il 0 4700uF RS GND GND GND GND GND SCH REV D PAGE INFO POWER INPUTS AND SUPPLIES DATE MARCH 23 2011 SHEET 3 OF 6 DESIGN LEAD RYAN KEHR EDGE 6517813 FILENAME DRV8312EVM_RevD DRAWN BY LDN DRV8312 EVALUATION BOARD 3 3VD U3 VR5 R100 1 7 5VI 5 5 gt VI VO 1 00000hms C100 2 101 103 4 0000uF D 1 5055 2 2000uF 2000uF GND IGND Me TPS73633MDBVREP C102 GND IGND 4000uF IGND IGND 3 3V gt C104 C105 GND UA IGND 1 VCC1 2 J7 2 RXD T CAN H 1 TXD CANL 4 Jonn 2 R101 JP4 3 ISO1050DUB V 12000 ms V GND IGND IGND CAN RX 8 D IGND 7
29. uments TI provides the enclosed product s under the following conditions This evaluation board kit is intended for use for ENGINEERING DEVELOPMENT DEMONSTRATI ON OR EVALUATI ON PURPOSES ONLY and is not considered by TI to be a finished end product fit for general consumer use Persons handling the product s must have electronics training and observe good engineering practice standards As such the goods being provided are not intended to be complete in terms of required design marketing and or manufacturing related protective considerations including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards This evaluation board kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility restricted substances RoHS recycling WEEE FCC CE or UL and therefore may not meet the technical requirements of these directives or other related directives Should this evaluation board kit not meet the specifications indicated in the User s Guide the board kit may be returned within 30 days from the date of delivery for a full refund THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTI CULAR PURPOSE The user assumes all responsibility and liability for proper
30. use harmful interference in which case the user will be required to correct the interference at his own expense FCC Interference Statement for Class EVM devices 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 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 Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver e 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 For EVMs annotated as IC INDUSTRY CANADA Compliant This Class A or B digital apparatus complies with Canadian ICES 003 Changes or modifications not expressly approved by the party responsible for compliance could void the user s a
31. uthority to operate the equipment Concerning EVMs including radio transmitters This device complies with Industry Canada licence 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 Concerning EVMs including detachable 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 Cet appareil num rique de la classe A ou B est conforme la norme NMB 003 du Canada Les changements ou les modifications pas express ment approuv s par la partie responsable de la conformit ont pu vider l autorit de l utilisateur pour actionner l quipeme
32. wirelessconnectivity www ti com automotive www ti com communications 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 2012 Texas Instruments Incorporated
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