bq30z50-R1EVM User Guide
Contents
1. Reference dis Count Design Value Description Size Part Number Manufacturer 18 C1 C2 C3 CA 0 1 UF Capacitor Ceramic 50 V 0603 STD Any C5 C6 C7 C8 X7R 20 C11 C12 C13 C14 C15 C16 C17 C21 C25 C22 1 C10 0 22 UF Capacitor Ceramic 25 V 0603 STD Any X7R 20 2 C23 C24 0 1 nF Capacitor Ceramic 50 V 0603 STD Any X7R 20 4 C9 C18 C19 1 0 uF Capacitor Ceramic 25 V 0805 STD Any C20 X7R 20 2 D1 D2 1SS355 Diode Switching 90V 225 SOD 323 1SS355 Rohm mA lfm High speed 1 D3 MM3Z5V6C Diode Zener 5 6 V 200 SOD323 MM3Z5V6C Fairchild mW 5 D4 D5 D6 D7 LN1361C Diode LED Green 120 087 LN1361C Panasonic D8 Gullwing GW Type 20 mA inches 7 5 mcd typ 0 F1 Un install Fuse Chemical Thermal SFDxxx SFDxxxx Sony xxA 1 J1 56579 0519 Connector USB Mini AB 0 354 X 0 307 56579 0519 Molex 5 pins Inches 1 J2 22 05 3041 Header Friction Lock 0 400 x 0 500 22 05 3041 Molex Ass y 4 pin Right Angle 1 Q1 FDN339AN MOSFET N ch 20 V 3 A SOT23 FDN339AN Fairchild 0 05 0 2 Q2 Q3 Si7114DN MOSFET Fast Switching PWRPAK 1212 Si7114DN T1 Vishay NChan 30 V 18 3 A 7 5 E3 mQ 1 Q4 2N7002K MOSFET Nch 60V 300 SOT23 2N7002K T1 Vishay mA 2Q E3 9 R1 R2 R3 R4 100 Resistor Chip 1 16 W 5 0603 Std Std R11 R12 R18 R26 R27 1 R10 010 75ppm Resistor Chip 1 W 1 2512 WSL2512R010 Vishay OFEA 2 R13 R28 50K Resi2. INSTRUMENTS www ti com Circuit Module Physical Layouts and Bill of Materials CR E 2X 0 075 Min X 0 028 PLATED SLOT A D 32 550 mm o 1 282 inch a o o Y Figure 4 Inner Layer 1 LT E 2X 0 075 Min X 0 028 PLATED SLOT 8 8 oon df ooon OO OO OO OO m oo m 32 550 mm o 1 282 inch a o o Y o o Figure 5 Inner Layer 2 P L 2X 0 075 Min X 0 028 PLATED SLOT e 32 550 mm 1 282 inch Y Figure 6 Bottom Layer SLUU432 January 2012 bq30z50 RH1EVM SBS 1 1 Impedance Track Enabled Battery Management 5 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated Circuit Module Physical Layouts and Bill of Materials I TEXAS INSTRUMENTS www ti com uum 2X 0 075 Min X 0 028 PLATED SLOT A Y cA Bt PE en Tm mL s 02 Isi cjue cia BSI ETA EX A TS Lera BIT baaa Y Figure 7 Bottom Assembly 6 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management Solution Copyright O 2012 Texas Instruments Incorporated SLUU432 January 2012 Submit Documentation Feedback 1 TEXAS INSTRUMENTS www ti com 4 2 Bill of Materials Table 2 Bill of Materials Circuit Module Physical Layouts and Bill of Materials
3. To install the bq30z50 R1EVSW software do the following 1 Save the archive to a temporary directory 2 Double click on the executable filename and follow the installer instructions to complete the bq30z50 R1 EVSW installation If the EV2300 or EV2400 was not previously installed After bq30z50 R1 EVSW installation a TI USB DRIVER INSTALLER pops up Click Yes for the agreement message and follow its instructions 3 Plug the EV2300 or EV2400 into a USB port Troubleshooting Unexpected Dialog Boxes Users downloading the files must be logged in as the administrator or must have privileges to install new programs The driver is not signed so the administrator must allow installation of unsigned drivers in the operating system policy Hardware Connection The bq30z50 R1EVM 001 comprises two hardware components the bq30z50 R1 bq29412 circuit module and the EV2300 or EV2400 PC interface box Connecting the bq30z50 H1 bq29412 Circuit Module to a Battery Pack Figure 9 shows how to connect the bq30z50 R1 bq29412 circuit module to the cells and system load charger The cells must be connected in the following order 1 4 Cell Pack 1N BAT 1P 2P 3P then 4P see Section 2 2 for definitions 2 3 Cell Pack 1N BAT 1P 2P and then connect 4P and 3P together 3 2 Cell Pack 1N BAT 1P and then connect 4P 3P and 2P together To start charge or discharge test connect SYS PRES pin to Pack pin to set SYS PRES sta
4. n HH 3 5 EVM Hardware and Software Setup sise eeeee ence eeeeee 0 eaa hn nnne nnns nnn nnn nnn nnn 10 6 Troubleshooting Unexpected Dialog Boxes neee 10 7 Hardware Connection sisi a AN XX SYR cea v sre sese vase rasewe vase AN AAN N NER SYR EA sale ARNA VR IER RR NAN eva va aaa aa 10 8 eles 12 9 Calibration SChECM s same era E RePEc DONDE DIN FR Vr CEDENS NUN NUR R DINE NEIN ROB DK n DANN EUREN E 15 10 Pro Advanced SCION 2 5 ioeene cesset orte ri rn sr ER IER DER FEE YDERFE INR YPF suas ERSTE SIIEERRFE E 17 11 Seal Authentication SGreer 05 YR 95 aR ATE NX 04 EaR NN ERES TENA HET KRN ANER ENE 18 12 sele 19 12 Related Documentation from Texas Instruments sss s ce ce e e c e e e e e c e e eee eee e e e e e K eee eee 20 List of Figures 1 bq30250 R1EVM 001 Layout Silk Screen lt aire e aN Z as sante nement een ons 4 2 TOP ASSEMDLY s 4 3 TOP LAV T 4 4 T E eec 5 5 aZ ETT 5 6 Bottom Layer srosisosoce scnasena anew EREWRNMDNRNDANAEURAR ann mmanannen ANNE enue RN consensus 5 7 Bottom Assembly 0 c cece cece e cece neces tere ne ee E e eee nena enhn nemen esu k enn earn annes estne nean nnne nnn 6 8 ep Mu 9 9 bq30z50 R1 Circuit Module Connection to Cells and System Load Charger 11 10 SBS Data Screens c aaas ge nee pee pre pe c IRR IRE E REaRA IF IET DIVA ATRE IRA E E DENKE E SD ga 13 11 Data Flash Screen 1st Level Saf
5. The set of read write operations over SMBus are not specific to any gas gauge These are provided as general purpose communication tools Hex Decimal Converter The Hexadecimal Value and Decimal Value boxes convert between hexadecimal hex and decimal as soon as values are typed into the boxes Invalid values can cause erroneous results When scaling converted hex values to a higher number of bytes follow these rules When Unsigned is selected the left pad contains zeroes When Signed is selected the left pad contains zeroes for a positive number or the left pad contains F for negative numbers Reprogramming To reprogram the device do the following Ensure that the gauge is in Full Access mode To do this use the Seal Authentication Screen see Section 11 Use the Write SMB Word feature to put the gauge into ROM mode 0x0033 to cmd 0x00 Use the Srec programming feature to browse for the desired srec or senc file then click the Program button to start the transfer Use the SMB Command feature to send 0x08 to execute the program If the firmware version was updated close and re launch the EVSW to synchronize the tool with the new firmware SLUU432 January 2012 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management 17 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated 11 18 I TEXAS INSTRUMENTS Seal Authentication Screen www ti com W Ele Op
6. TP12 TP16 1 U1 BQ29412DCT IC Voltage Protection for 2 SSOP 08 BQ29412DCT Tl 3 4 Cell Lion 2nd Protection 4 45 V OVP 1 U2 BQ30Z50DBT IC 2 3 and 4 Series Battery TSSOP 38 BQ30Z50 TI Pack Manager DBT R1DBT 1 PCB HPA472 Any 8 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management Solution Copyright 2012 Texas Instruments Incorporated SLUU432 January 2012 Submit Documentation Feedback X TEXAS INSTRUMENTS Circuit Module Physical Layouts and Bill of Materials www ti com O99ASZEWN wddcz eie ca Oly At eot Sz gly eval S 3 938 97039 vid gto non azi dure ea za a sa ra Sidi S3 d ooz v v E AAA vA a SES Ed Ed Ek 5349 bai Raka arel hen Lidl gt 28S j tdl Cdl Zdl 9ldl 207 SEN et anyo uii anyo LO 13 NUS X zzo SLO Ldl anro zio as Bal anrojanroj anroj anro 4 941 anro us vo co zo 19 Szo J LON bas eidigg 10049 va E Ze plows aod aor QS 0012 0012 00i AOL YEN X gc Sa HO 69 wae CUT zy 9 dod 18dlN eszecog T iai zn ig is iva SS SSL omer SdL W cm xezz 712 HE viu 2 s xs EE Nida
7. system is present PACK Pack positive terminal 3 1 3 2 3 3 4 1 SLUU432 January 2012 bq30z50 R1 Circuit Module Schematic This section contains information on the schematic for the bq30z50 R1 bq29412 implementation Schematic The schematic follows the bill of materials in this user s guide Choosing a Particular Precharge Mode The bq30z50 R1 contains an internal precharge FET however the default firmware configuration uses the Charge FET for precharge To evaluate the internal precharge FET change the least two significant bits in DF Configuration Charging Configuration to be 0 0 See the bq30z5x H1 Technical Reference Manual SLUU852 for additional information Testing Fuse Blowing Circuit To prevent the loss of board functionality during the fuse blowing test the actual chemical fuse is not provided in the circuit FET Q1 drives TP8 low if a fuse blow condition occurs monitoring TP8 can be used to test this condition Circuit Module Physical Layouts and Bill of Materials This section contains the board layout bill of materials and assembly drawings for the bq30z50 R1 bq29412 circuit module Board Layout This section shows the dimensions PCB layers and assembly drawing for the bq30z50 R1 module bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management 3 Submit Documentation Feedback Solution Copyright O 2012 Texas Instruments Incorporated 4 Circuit Module Physical Layouts and Bill of Mate
8. 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 cause harmful interference in which case the user will be required to correct the interference at his own expense FCC Interference Statement for Class B 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
9. Track Datasheet bq30z5x H1 Technical Reference Manual SLUU852 EV2300 EVM Interface Board Users Guide SLUU159A EV2400 EVM Interface Board Users Guide SLUU446 20 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUU432 January 2012 Solution Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated 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 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 refund 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 temp
10. 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 operate 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
11. can be saved to a file by selecting File Export and entering a file name A data flash file also can be retrieved in this way imported and written to the bq30z50 R1 using the Write All button The configuration information of the bq30z50 R1 data is held in the data flash The bq30z50 R1 allows for an automatic data flash export function similar to the SBS Data logging function This feature when selected via Options Auto Export exports data flash to a sequential series of files named as FilenameNNNNN gg where N a decimal number from 0 to 9 The AutoExport interval is set under the Options menu with a minimum value of 15 seconds The AutoExport filename is set under the Options menu When a check is next to AutoExport the AutoExport is in progress The same menu selection is used to turn on off AutoExport If the data flash screen is blank then the bq30z50 R1 that is being used may not be supported by the bqEVSW version that is being used An upgrade may be required bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUU432 January 2012 Solution Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Calibration Screen 9 Calibration Screen 9 1 How to Calibrate The bq30z50 R1 must be calibrated using power supplies or a power supply and cell simulation resistors 300 or less before cells are attached Before the bq30z5
12. 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 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 III or similar classification then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement Mailing Address Texas Instruments Post Office Box 655308 Dallas Texas 75265 Copyright O 2012 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries 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 sa
13. more of the following measures Reorient 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 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 authority 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 antenn
14. 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 in Japan This 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 of this 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 Ple
15. plug it back in If the problem continues determine if the EVM is in Shutdown mode The bq30z50 R1 can be awakened by momentarily pressing SW2 if cell voltage is present Starting the Program With the EV2300 or EV2400 and the bq30z50 R1EVM connected to the computer run bg30z50 R1 EVSW from the Desktop Icon or Start All Programs Texas Instruments bq Evaluation Software menu sequence The SBS Data Screen appears Data begins to appear once the Refresh single time scan button is clicked or when the Keep Scanning check box is checked To disable the scan feature deselect Keep Scanning The continuous scanning period can be set via the Options and Set Scan Interval menu selections The range for this interval is 0 ms to 65535 ms Only items that are selected for scanning are scanned within this period The bq30z50 R1 EVSW provides a logging function that logs the values that were last scanned by EVSW To enable this function click the Start Logging button this causes the Keep Scanning button to be selected When logging is Stopped the Keep Scanning button is still selected and has to be manually unchecked The logging interval is specified under the Options menu with the maximum value of 65535 ms The Log interval cannot be smaller than the scan interval because this results in the same value being logged at least twice bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUUA432 January 2012 Solution Submit Do
16. 0 R1 is calibrated Connect and measure a 2 A current source from 1N and Pack to calibrate without using the FETs calibration using the FETs is not recommended Measure each cell voltage Measure the temperature of the pack Whether the foregoing steps are necessary depends on the type of calibration being performed 9 2 To Calibrate the bq30z50 H1 To calibrate the bq30z50 R1 do the following Select the types of calibration to be performed Enter the measured values for the types selected except for CC Offset Calibration f Temperature Calibration is selected select the sensor that is to be calibrated Click the appropriate button to initiate the desired calibration 9 3 Board Offset Calibration This performs the offset calibration for the current offset of the board Remove any current source load or external voltage from the PACK terminals Click the Software Board Offset Calibration button 9 4 Pack Voltage Calibration This calibrates the voltage at the AFE Pack pin Ensure that Voltage Calibration has been performed for the pack If Voltage Calibration is not performed then Pack Voltage Calibration calibrates incorrectly Remove load external voltage applied between Pack and Pack Click the Pack Voltage button to calibrate SLUU432 January 2012 bq30z50 RIEVM SBS 1 1 Impedance Track Enabled Battery Management 15 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated I TE
17. 1 Users Guide 14 TEXAS SLUU432 January 2012 INSTRUMENTS bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management Solution The bq30z50 R1EVM is a complete evaluation system for the bq30z50 R1 bq29412 battery management solution This system includes one bq30z50 R1 bq29412 circuit module a current sense resistor four thermistors and a link to Windows based PC software The circuit module includes one bq30z50 R1 IC one bq29412 IC and all other onboard components necessary to monitor and predict capacity perform cell balancing monitor critical parameters protect the cells from overcharge overdischarge short circuit and overcurrent in 2 series 3 series or 4 series cell Li lon 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 users can read the bq30z50 H1 data registers program the chipset for different pack configurations log cycling data for further evaluation and evaluate the overall functionality of the bq30z50 R1 bq29412 solution under different charge and discharge conditions Contents 1 Feature Se Eee DC OL Sm 2 2 bq30z50 R1 Device Based Circuit Module sss sss sss sese ces eee enhn e en nne nnn nnn 2 3 bq30z50 R1 Circuit Module Schiema tie 5 222 622 er tarot iru tren tura rta nnt Peur tna turn ra a Ee ADR aa REE Ka Ta sees d 4 Circuit Module Physical Layouts and Bill of Materials
18. CHEM 1A Use Default Chemistry 14 Use Default Chemistry 1B Select Chemistry Manually Most Li ion cells use LiCoO2 cathode and graphitized carbon anode which is supported by the default firmware in the Impedance Track fuel gauges bqCHEM contains files for various alternate battery chemistries Does your cell manufacturer indicate that their cells use a different chemistry than LiCoO2 cathode and graphite anode rev 1 491 SBS Task Progress 100 Task Completed Figure 15 bqChem Screen The DFI section enables a user to read and write DFI and ROM files These are complete binary images of the fuel gauge data flash Once a golden pack is created the data flash image can be used to quickly program other packs for mass production The ROM file contains the same data as the DFI file but adds an additional header for use by the bgqMTester production tool These files differ from the gg files that a user can read and write in the Data Flash Screen The gg files are simply text dictionaries that contain public configuration data The DFI and ROM files are binary images that contain public private and proprietary information necessary for mass production 13 Related Documentation from Texas Instruments For related documentation contact the Texas Instruments field representative assigned to work with this device Documents Literature Number bq30z50 H1 bq30z55 RH1 SBS 1 1 Compliant Gas Gauge With SLUSAW6 Impedance
19. XAS INSTRUMENTS Calibration Screen www ti com Stop Display Updates Please ensure that scanning communication is off on all other open windows Current Version 0 0 05 Values Coulomb Counter Offset Calibration Step 1 Cate Coone Ensure atn load ores tawing Counter Voltage and Temperature Calibration Voltage Enter actual cell voltages using stack ground as reference Cell count is determined by reading CC1 and CCO bits in System Configuration Only cells in use considered Check voltage calibration checkbox Temperature Enter actual sensor temperatures Check checkboxes that apply Click Voltage Temperature calibration button to calibrate Enter actual Cell voltage Count Cell 1 foo P Cell 1 2 8000 Cell1 2 3 12000 mM Battery Voltage Measured Enter actual temperature temperature 5 B pe B Le p Le B pr Ensure voltage reference is stable Calibration with cells connected is not recommended unless cells are in a state of rest If using resistors simulating cells resistance must 300 ohms per cell SBS Task Progress 100 Task Completed Figure 12 Calibration Screen 16 bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUU432 January 2012 Solution Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Pro Advanced Screen 10 10 1 10 2 10 3 Pro Advanced Screen SMB Communication
20. a 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 quipement 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
21. ase 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 ZEATE T FAREY Mx EEXEXS LOD STC DU UA ARMOCPAICRL CIE BREBTOL HO LFOUTHAOBBEM TULE DEFEN ETDD S EEU 1 BRAT RUSSE ARS CET XE RLI8ES H28 AMBER 81738 CEOSHLEREESO MBM C C BRI TIE IE 2 SERIO SEREEBUS C BRIU IEEE 3 xl E38 GEB EREKTA sa Ami Lito TEAC TORA REX BEAIBALZURY BE B T SUEDELRT Re FEU AUS BRAM RAAB AS NSRP LRS DE L BATEYA FYAYIDXYYRASE Raw ie HSS 6 TA 24815 Aaa Z ILC JL 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 includ
22. cumentation Feedback Copyright O 2012 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com Operation 8 2 9 Taus loueurs oy Gus Guuss Evuluutiui 3uityrrg by dbo yO REZ 583 Duta AT Ele Options AutoCycle View Window Help Temperature Full charge Capacity Voltage Run time To Empty Current Average Time to Empty Average Current Average Time to Full Max Error Charging Current Relative State of Charge Charging Voltage Absolute State of Charge Battery Status i le Count Remaining Cap Alarm Remaining Time Alarm Battery Mode At Rate At Rate Time To Full At Rate Time To Empty At Rate OK XXX XXX X IE X X X XX X X Log Safety Status Hex 00000000 Br 15 Bit 0 00000000 Bit15 Seal Auth 00000000 Bit16 00000000 Biti6 pepe Tae pa iat Ta Te Sean On Device 500 Ver 0 14 RO Build 00023 SBS Task Progress 100 Task Completed 01 36 24 PM Figure 10 SBS Data Screen This screen shows the SBS data set along with additional ManuFacturersAccess command information such as individual cell measurements Additional Flag and Static data can be viewed by selecting the appropriate tab at the bottom of the SBS screen Data such as SBS ManuFacturerName is static and does not change This data is viewed separately using the Static Data tab at the bottom of the screen Dragging the splitter bar line that separates the Flags Static data from SBS values changes the height of the Flags Sta
23. device Full access to ROM mode occurs in a similar manner The Seal Authentication Screen shows the default 128 bit key in the Key 129 bits text box bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUU432 January 2012 Solution Submit Documentation Feedback Copyright 2012 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com bqChem 5 Teves Sipan by Sus Guuss Evaluutiuu sufevare RUST 10 REZ LEUT Authentication Seal Unseal Full Access All displayed is most significant Random Number Random Number Key 128 bits from device Key Port 0123456789ABCDEF FEDCBA9876543210 Current Device Mode Full Access SBS Task Progress 100 Task Completed Figure 14 Seal Authentication Screen 12 bqChem bqChem enables users to access the library of previously characterized Lithium lon cell chemistries and program the chemical database into the gauge Users can sort by chemical ID or by cell manufacturer For help to identify the chemistry for the cells contact the Texas Instruments field representative SLUU432 January 2012 bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management 19 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated I TEXAS INSTRUMENTS Related Documentation from Texas Instruments www ti com 9 Tus lustrumantz by Gus Gunga Evaluutiuu 3uftrarg BUST 30 REZ LE Tami 3 Texas INSTRUMENTS Chemistry DFI bq
24. ed 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 TI 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 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 Timer
25. eratures 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 performance 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
26. eshold Charging OC 2 Threshold Charging OC 2 Delay Charging OC Recovery Discharging OC Threshold Discharging OC belay Discharging OC 2 Threshok Discharging OC 2 Delay Discharging OC Recovery OCD Latch Trip OCD Latch Time OCD Recovery OCD Reset SC Charging Threshold SC Charging Latch Trip SC Charging Latch Time SC Charging Recovery Value 8000 Name SC Charging Reset SC bischarging Threshold SC Discharging2 Threshold sc Discharge Latch Trip 5C Discharge Latch Time SC Discharge Recovery SC Discharge Reset Temperature OT Charge Threshold OT Chorge Delay OT Charge Recovery lor Discharge Threshold OT Discharge Delay OT Discharge Recovery FET OT Threshold FET OT belay FET OT Recovery Host Comm IYE Delay 14 charging Oc Delay SBS Task Progress 100 Task Completed Figure 11 Data Flash Screen 1st Level Safety Class To read all the data from the bq30z50 R1 data flash click on menu option Data Flash Read All To write to a data flash location click on the desired location enter the data and click Enter which writes the entire tab of flash data or select menu option Data Flash Write All The data flash must be read before any writes are performed to avoid any incorrect data being written to the device The File Special Export menu options allows the data flash to be exported The data flash configuration
27. ety Class yae eaa ar er n eaS Na Rade gana at seks irae ars R XR Aea anas 14 12 Galibration Scree asane mee E up RENUNERU MERE O E EUMD M NUCMNN NNNM NM 16 13 Pro Advanced Scree aanpas n areincne acta ES Me saine iua is tote sce teste wiciaatecu state KM URS 18 14 Seal Auth ntication SCHON esca so nio ion acc sian cusa sa aide sid mace Ra aTERETPEEYOFTRCUTASASEERNEEPSTE TED RNADIF hasad saai 19 SLUU432 January 2012 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management 1 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated I TEXAS INSTRUMENTS Features www ti com 15 baGhem Scr en T 20 List of Tables 1 Ordering Informations P O 2 2 ST Feia TTT Z 3 Performance Specification Summary xx x x e e e e e cece ee e r r r e eee x x x e e e eee eee 10 4 Circuit Module to EV2300 or EV2400 Connections cece ee eee ence ee 11 1 Features Complete evaluation system for the bq30z50 R1 SBS 1 1 compliant advanced gas gauge with Impedance Track technology bq30z50 R1 and bq29412 independent overvoltage protection integrated circuit IC Populated circuit module for quick setup Link to software that allows data logging for system analysis 1 1 Kit Contents bq30z50 R1 bq2941 2 circuit module Set of support documentation 1 2 Ordering Information Table 1 Ordering Information EVM Part Number Chemistry Configuration Capacity s 2 series 3 series or bq30z50EVM Li l
28. ing 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 assure 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 TTS 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 inju
29. le 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 Tl assumes no liability for applications assistance or the design of Buyers products Buyers are responsible for their products and applications using TI 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 i
30. nformation 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 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 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 relat
31. on 4 series cell Any 2 bq30z50 R1 Device Based Circuit Module The bq30z50 R1 bq29412 based circuit module is a complete and compact example solution of a bq30z50 R1 circuit for battery management and protection of Li lon or Li Polymer packs The circuit module incorporates a bq30z50 R1 battery monitor IC bq29412 independent overvoltage protection IC and all other components necessary to accurately predict the capacity of 2 series 3 series or 4 series cells 2 1 Circuit Module Connections Contacts on the circuit module provide the following connections Direct connection to the cells 1N BAT 1P 2P 3P 4P BAT To the serial communications port SMBC SMBD VSS The system load and charger connect across PACK and PACK To the system present pin SYS PRES 2 bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management SLUUA432 January 2012 Solution Submit Documentation Feedback Copyright O 2012 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com 2 2 Pin Descriptions bq30z50 H1 Circuit Module Schematic PIN NAME DESCRIPTION 1N ve connection of first bottom cell 1P ve connection of first bottom cell 2P ve connection of second cell 3P ve connection of third cell 4P ve connection of fourth top cell SMBC Serial communication port clock SMBD Serial communication data port VSS Pack negative terminal PACK Pack negative terminal SYS PRES System present pin if low
32. rials 4 108 161 mm I TEXAS INSTRUMENTS www ti com 4 258 inch 2X 0 075 Min X 0 028 PLATED SLOT A E m D rY F a 5 SMBD SMBC VSS Texos Instruments x5 PAOKEPRES PADS 5 Ns Ser VSS_ RT RT2 RTS RTA E ap agg 8 as 29 bq30z50EVM PACK PACK amp R 3P 32 550 mm EET 1 282 inch J SRP zak k kk 1P 2 5V 1N SRN 3 3V TB82 k d 80 0mm 12 0mm Y FUSE GND Figure 1 bq30z50 R1EVM 001 Layout Silk Screen 108 161 mm ra 4 258 inch gt 2X 0 075 Min X 0 028 PLATED SLOT PCB EDGE TT Dam m J2 s RTI RI2 RTS RT4 E LE ORBE E TE R6 SO R17 R19 32 550 mm BIBI Bll KEK R TE S 1 282 inch Ut LJ TP3 c10 ol d ookoo 1 x c ETAT APIS OS swi RM EIS S 1P4 o R125C13P Y TP8 TP2 Figure 2 Top Assembly 108 161 mm a 4 258 inch 2X 0 075 Min X 0 028 PLATED SLOT A e 32 558 mm 1 282 inch Figure 3 Top Layer bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management Solution Copyright 2012 Texas Instruments Incorporated SLUU432 January 2012 Submit Documentation Feedback 1 TEXAS
33. ry 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 EVM 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
34. s 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 2012 Texas Instruments Incorporated
35. sn4 gcu Me g ANLO lidl 89 tal za anro Al NL 3sn4 dl ang 19 bs z dl SGessi a H dz 6dl 9H n uo Ane ML de 90 7 Loe xs H 674 af dv Sia antroj t ral 9 ec 1907 Lv6208 sof i in w 99 I NC 9 Jal E gly Ww MZOOLNZ s E ou De Bp NPL LS NOEL LIS Ipysui ur 0 zo E gns Snqunu 404 jnre anyo L2 919 a x de vd YE 10M a TY TMS ocu Figure 8 Schematic 9 Solution bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management Submit Documentation Feedback SLUU432 January 2012 Copyright 2012 Texas Instruments Incorporated EVM Hardware and Software Setup 4 3 5 1 5 2 7 1 I TEXAS INSTRUMENTS www ti com bq30z50 R1 bq29412 Circuit Module Performance Specification Summary This section summarizes the performance specifications of the bq30z50 R1 bq29412 circuit module Table 3 Performance Specification Summary Specification Min Typ Max Units Input voltage Pack to Pack 5 15 25 V Charge and discharge current 0 2 7 A EVM Hardware and Software Setup This section describes how to install the bq30z50 R1EVM 001 PC software and how to connect the different components of the EVM System Requirements The bq30z50 R1EVSW requires Windows 2000 XP Vista or 7 Software Installation NOTE To get the latest software archive contact the Texas Instruments field representative assigned to work with this device
36. stor Chip 1 16 W 5 0603 Std Std 1 R14 220K Resistor Chip 1 16 W 5 0603 Std Std 1 R15 301 Resistor Chip 1 W 10 2512 CRCW251230 Vishay 1RFKEG 2 R16 R20 3M Resistor Chip 1 16 W 5 0603 Std Std 2 R17 R19 5 1K Resistor Chip 1 16 W 5 0603 Std Std 3 R21 R24 R30 10k Resistor Chip 1 16 W 5 0603 Std Std 2 R22 R23 200 Resistor Chip 1 16 W 5 0603 Std Std 1 R29 0 Resistor Chip 1 16 W 5 0603 Std Std 6 R5 R6 R7 R8 1K Resistor Chip 1 16 W 5 0603 Std Std R9 R25 4 RT1 RT2 RT3 10K Thermistor 0 095 X 0 150 BN35 3H103 Mitsubishi RT4 Note 6 or 103AT 2 Material or Semitec 1 RT5 10K Thermistor PTC 30V 1206 TFPT1206L10 Vishay 02JV SLUU432 January 2012 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management 7 Submit Documentation Feedback Solution Copyright O 2012 Texas Instruments Incorporated I TEXAS INSTRUMENTS Circuit Module Physical Layouts and Bill of Materials www ti com Table 2 Bill of Materials continued Count se bi lg Value Description Size Part Number Manufacturer esign 2 SWT SW2 EVQ PLHA15 Switch Push button 0 200 x 0 200 EVQ PLHA15 Panasonic Momentary 1P1T 50 mA inch 12 V 1 TB1 ED1514 Terminal Block 2 pin 6 A 0 27 x 0 25 ED555 2DS OST 3 5mm 2 TB2 TB3 ED1515 Terminal Block 3 pin 6 A 0 41 x 0 25 ED555 3DS OST 3 5mm 12 TP2 TP3 Test Point White Thru 0 100 x 0 100 5002 Keystone TP4 TP5 TP6 Hole Color Keyed inch TP7 TP8 TP9 TP10 TP11
37. te To test sleep mode disconnect the SYS PRES pin SLUU432 January 2012 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management Submit Documentation Feedback Solution Copyright O 2012 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Hardware Connection Texas instruments HPA472 Rev B Figure 9 bq30z50 R1 Circuit Module Connection to Cells and System Load Charger 7 2 PC Interface Connection To configure the hardware to interface to the PC do the following 1 Connect the bq30z50 R1 device based smart battery to the EV2300 or EV2400 using the provided cable or the connections shown in Table 4 Table 4 Circuit Module to EV2300 or EV2400 Connections bq30z50 R1 Device Based Battery EV2300 or EV2400 SMBD SMBD SMBC SMBC VSS GND 2 Connect the PC USB cable to the EV2300 or EV2400 and the PC USB port The bq30z50 R1EVM 001 is now set up for operation SLUU432 January 2012 bq30z50 H1EVM SBS 1 1 Impedance Track Enabled Battery Management 11 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated I TEXAS INSTRUMENTS Operation www ti com 8 8 1 12 Operation This section details the operation of the bq30z50 R1 EVSW software NOTE The EV2300 or EV2400 driver does not support Windows Sleep or Hibernate states If communicating with the EV2300 or EV2400 or the EVM presents a problem unplug the USB cable and then
38. tic Data display Selecting View then Auto Arrange returns the splitter bar to its original location Setting Programmable bq30z50 R1 Options The bq30z50 R1 data flash comes configured per the default settings detailed in the bq30z50 bq30z55 H1 SBS 1 1 Compliant Gas Gauge With Impedance Track Datasheet SLUSAW6 Ensure that the settings are correctly changed to match the pack and application for the bq30z50 R1 solution being evaluated IMPORTANT To get the best performance it is essential to correctly set these options Use the Data Flash Screen to configure the settings SLUU432 January 2012 bq30z50 R1EVM SBS 1 1 Impedance Track Enabled Battery Management 13 Submit Documentation Feedback Solution Copyright 2012 Texas Instruments Incorporated Operation I TEXAS INSTRUMENTS www ti com Taws lustrumautz by Gus Guusg Evaluutiun dois BUSS 10 REZ Uuta Flush Cunsrants 9 Texas INSTRUMENTS _ Bead All Wiite All Wiite All Preserve Right click on constant name for more information 2nd Level Safety Voltage CUN Threshold CUN Delay ew Recovery Threshold CUMC Threshold cuwc Delay CUNE Recovery Threshold Low Temp COV Threshold Std Temp COV Threshold _ High Temp COV Threshold Rec Temp COY Threshold COV Threshold Delay Low Temp COW Rec Threshc Std Temp COW Rec Thresho High Temp COW Rec Thresh Rec Temp COV Rec Thresho Current Charging OC Thr
39. tions FlashMemory Window Help ui 45 TEXAS INSTRUMENTS This screen is only for advanced users Some commands may cause permanent damage to the hardware Please use caution All Values are in Hexadecimal without the Ox prefix Target Address 17 Send SMB Command SMB Command Send Read SMB Word SMB Command 0D Bead Result hed None Wite SMB Word SMBCommand gj Wordhen F00 o Wie Read SMB Block SMB Command 78 Read Result hex None Result ASCII White SMB Block uc m SMB Fe Block Data 0102 0304 05 06 Hexadecimal to Decimal converter and vice versa Hexadecimal value 100 feet Decimal value 09 Srec programming p __ Program SBS Task Progress 100 Task Completed Figure 13 Pro Advanced Screen Seal Authentication Screen To seal unseal or allow full access which enables users to reprogram the device select one of these three modes on the Seal Authentication Screen and click Go NOTE When the device is sealed users cannot write to the data flash The text boxes at the top of the screen are informational and their content loads during the unseal process Unsealing the bq30z50 R1 is the reverse procedure from SHA 1 authentication For more information on SHA 1 encryption refer to the bq30z5x H1 Technical Reference Manual SLUU852 The gas gauge generates the random number and challenges the EVSW which must provide a valid key in order to unseal the
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