bq34z120EVM Impedance Track Enabled Fuel
Contents
1. PEE Optional for additional power saving Adjust for minimum current consumption in the application I2C pullups normally implemented in the host Duplicated here since EV2300 does not provide Optimize for required LED power dissipation Figure 7 bq34z120EVM Schematic 8 and NiCd Batteries bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for NiMH Copyright O 2013 Texas Instruments Incorporated SLUUACA March 2013 Submit Documentation Feedback 1 TEXAS INSTRUMENTS www ti com Circuit Module Physical Layouts Schematic and Bill of Materials 4 2 1 Bill of Materials Table 2 is the BOM for the bq34z120EVM Table 2 bq34z120EVM Bill of Materials Count UT 2002 RefDes Value Description Size Part Number MFR 2 2 C1 C8 1uF Capacitor Ceramic 6 3V X7R 20 0603 Std Any 6 6 C2 C7 0 1uF Capacitor Ceramic 50V X7R 20 0603 Std Any 1 1 C9 3300 pF Capacitor Ceramic 50V X7R 20 0603 Std Any 2 2 D1 D2 AZ23C5V6 7 Diode Dual Zener 5 6 V 300mW SOT23 AZ23C5V6 7 Diodes 3 3 D12 D13 D14 QTLP610C 3 YEL Diode LED yellow 30 mA 0 126 x 0 087 inch QTLP610C 3 Fairchild 8 8 D3 D6 D8 D15 D17 QTLP610C 4 GRN Diode LED green 30 mA 0 126 x 0 087 inch QTLP610C 4 Fairchild 1 D7 BZT52C5V6S 7 Diode Zener 200mW 5 6V SOD 323 BZT52C5V6S 7 Diodes Inc 3 3 D9 D10 D11 QT2. min iV M HDQ Pro Flags Status Bits Control Status SCANNINE Calibrate Flags SCANNING Pack Configuration SCANNING I2C Pro 77 7 E S M E a 1 PT rss pe b 35 a 100 os Show Flags Show Static Data Fuel Gauge 99 Scan On Device 120 Ver 0 01 Communication OK SBS Task Progress 100 Task Completed 05 29 44 PM Figure 9 Data RAM Screen Figure 9 shows the Data RAM set along with additional ManuFacturersAccess command information such as individual cell measurements Dragging the splitter bar the line that separates the Flags Static data from Data RAM values changes the height of the Flags Static Data display Selecting View then Auto Arrange returns the splitter bar to its original location 5 5 2 Setting Programmable bq34z120 Options The bq34z120 data flash comes configured according to the default settings detailed in the bq34z120 Wide Range Fuel Gauge with Impedance Track Technology Datasheet SLUSBEO Ensure that the settings are correctly changed to match the pack and application for the bq34z120 solution being evaluated NOTE Set these options correctly to get the best performance 14 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA4 March 2013 NIMH and NiCd Batteries Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup
3. Chip 0 1W 0 1 25 ppm 0603 RG1608P 1652 B T5 SSM 2 2 R29 R31 10K Resistor Chip 1 16 W 596 0402 Std Std 1 R30 010 75ppm Resistor Chip 1 2W 1 75ppm 2010 WSL2010R0100FEA Dale 2 2 R32 R33 1M Resistor Chip 1 16 W 596 0402 Std Std 1 R38 1k Resistor Chip 1 16 W 596 402 Std Std 2 2 R39 40 47 Resistor Chip 1 16 W 596 402 Std Std 1 RT1 10K Thermistor NTC 3 A 0 095 X 0 150 inch 103AT 2 Semitec 1 1 swi EVQ PLHA15 Switch Push button Momentary N O Low Profile 0 200 x 0 200 inch EVQ PLHA15 Panasonic SLUUAC4 March 2013 Submit Documentation Feedback bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated 9 I TEXAS INSTRUMENTS Circuit Module Physical Layouts Schematic and Bill of Materials www ti com Table 2 bq34z120EVM Bill of Materials continued Count 001 02 RefDes Value Description Size Part Number MFR 2 2 TB1 TB3 ED555 3DS Terminal Block 3 pin 6A 3 5mm 0 41 x 0 25 inch ED555 3DS OST 1 1 TP1 Vscale Hi Test Point Black Thru Hole Color Keyed 0 100 x 0 100 inch 5001 Keystone 1 1 TP2 Vscale Lo Test Point Black Thru Hole Color Keyed 0 100 x 0 100 inch 5001 Keystone 0 0 TP3 TP8 STD Test Point 0 020 Hole Std Std 2 2 U1 U3 SN74HC164PW IC 8 Bit Parallel Out Serial Shift Registers TSSOP 14 SN74HC164PW TI 0 1 U2 BQ347120PW IC Gas Gauge T
4. While the bq34z120 firmware is able to handle battery voltage up to 65 V voltages above 50 V should never be applied to the EVM SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 3 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS Circuit Module Physical Layouts Schematic and Bill of Materials www ti com 3 3 Choosing the LED configuration When configuring the data flash registers choose one of five LED Comm configuration codes refer to Table 12 in the bq34z120 datasheet After reviewing those possibilities select the jumper pattern desired for the J6 header on the EVM For single LED mode place a jumper on the pair marked A For four direct LED mode place jumpers on A B C and D For external LEDs using the shift register option place a single jumper on EXT In all cases where one or more LED s are used place a jumper across the J1 header to provide power to the LED 3 4 Choosing the ALERT configuration The pin used to provide the ALERT output depends on the LED mode selected in the LED Comm data flash register Refer to Table 13 in the bq34z120 datasheet for a guide to the proper ALERT pin then place one and only one jumper on the J3 header accordingly 4 Circuit Module Physical Layouts Schematic and Bill of Materials This section contains the board layout assembly drawings schematic and bill of materials for t
5. 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 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 A
6. 1 1 Compliant Gas Gauge With Impedance Track Datasheet EV2300 EVM Interface Board User s Guide EV2400 EVM Interface Board User s Guide bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for NiMH and NiCd Batteries Copyright O 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS www ti com Literature Number SLUSBEO SLUU159 SLUU446 SLUUAC4 March 2013 Submit Documentation Feedback 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 han
7. A Suspend High Temp 55 0 degt Charge Current T3 T4 30 CA Lifetime Max Dsg Current o mA Cha Eff 100 JEITA TI degC Lifetime Max Pack Voltage 1000 mi Chg Eff Temp Comp 25 100 JEITA T2 10 degC Lifetime Ain Pack Voltage 10000 my Cha Eff Drop Off 96 JEITA T3 45 degC Lifetime Temp Samples Chg Eff Reduction Rate 10 9 10 JEITA T4 55 degC LT Flash Cnt 0 num Maintenance Current 36 ISD Current 10 AourRate Registers Charge Termination ISD I Filter 127 num Pack Configuration 0169 fla TCA Set 96 94 36 Min ISD Time if Hour Pack Configuration B FF fla TCA Clear 92 96 Design Energy Scale il num Pack Configuration C 30 fla FC Set 95 96 Device Name bq342120 LED Comm Configuration 00 flg FC Clear 93 Manufacturer Name Texas Inst Alert Configuration 0000 fla DODatEOC Delta T 10 0 degt Device Chemistry NIMH Number of series cell 3 num Delta Temp 3 0 degt Discharge Lifetime Resolution Delta Temp Time 180 Sec SOC1 Set Threshold 150 mAh LT Temp Res 10 degt Hold Off Time 100 Sec SOC1 Clear Threshold 175 mAh LT Cur Res 100 mA SEE Hold Off Current 240 mA SOCF Set Threshold 75 mAh LT V Res 25 mit Hold Off Temp 25 0 degt SOCF Clear Threshold 100 mAh LT Update Time 60 Sec Do Cell Negative Delta Volt 17 mY Cell BL Set volt Threshold 850 mit LED Display D Cell BL Sei Volt Time 2 Sec LED Hold Time 4 Sec Rem Cap Alarm 100 mAh Cell EL Clear Volt Threshold 1000 my Power Design Voltage 1200 my Cell BH Set Volt Threshold 1650 my Flash Upd
8. EVM comprises two hardware components the bq34z120 circuit module and either the EV2300 or EV2400 PC interface box SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 11 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS EVM Hardware and Software Setup www ti com 5 4 1 Connecting the bq34z120 Circuit Module to a Battery Pack Figure 8 shows how to connect the bq34z120 circuit module to the cells and system load and charger Computer Figure 8 bq34z120 Circuit Module Connection to Cells and System Load and Charger 5 4 2 PC Interface Connection Configure the hardware to interface with the PC by doing the following 1 Connect the bq34z120 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 bq34z120 Device Based Battery EV2300 SDA PC SDA SCL PC SCL GND GND 2 Connect the PC USB cable to the EV2300 or EV2400 and the PC USB port The bq34z120EVM 001 is now set up for operation 12 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUAC4 March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup 5 5 Ope
9. F User s Guide 13 TEXAS SLUUAC4 March 2013 INSTRUMENTS bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for NiMH and NiCd Batteries This evaluation module EVM is a complete evaluation system for the bq34z120 wide range fuel gauge for nickel chemistries when combined with an EV2300 USB adapter and Windows based PC software downloadable from the Tl com website The circuit module includes one bq34z120 integrated circuit IC and all other components necessary to monitor and predict capacity in 3 or more series cell NiMH or NiCd battery packs The circuit module connects directly across the battery With the EV2300 interface adapter and software it is possible to read the bq34z120 data registers program the chip for different pack configurations log cycling data for further evaluation and evaluate the overall functionality of the bq34z120 solution under different charge and discharge conditions Contents 1 Bu e EE E EEO E EE 2 1 1 Kit COMES ensenen a E E E E ein Wein E EE E 2 1 2 Ordering Information zc cosoevsoeeuvxtoba ne E a a E lis E E eia d edis d 2 2 bq34z120 Device Based Circuit Module 4 ss ne n mem en e emn enne 3 2 1 Circuit Module Gornnectiorns 3 3 5 6 2 a E E nete xt nequis Sui u S als exisse tinae E 3 2 2 Pin Descriptions m E dunes due ta 3 3 bd342120 Circuit Module enses aE AEAEE EE EEK O a EEEE 3 3 1 Choosing 5 V orcb V Operation mossan sessions E AEE 3 3 2 C
10. LP610C 7 RED Diode LED red 30 mA 0 126 x 0 087 inch QTLP610C 7 Fairchild 1 Ji PECO2SAAN Header Male 2 pin 100mil spacing 0 100 inch x 2 PECO2SAAN Sullins 1 J2 PECO3DAAN Header Male 2x3 pin 100mil spacing 0 20 inch x 0 30 PECO3DAAN Sullins 1 J3 PECO4DAAN Header Male 2x4 pin 100mil spacing 0 20 x 0 40 inch PECO4DAAN Sullins 2 2 J4 J7 22 05 3041 Header Friction Lock Ass y 4 pin Right Angle 0 400 x 0 500 22 05 3041 Molex 1 J5 PECO8SAAN Header Male 8 pin 100mil spacing 0 100 inch x 8 PECO8SAAN Sullins 1 J6 PECO5DAAN Header Male 2x5 pin 100mil spacing 0 100 inch x 5 X 2 PECO5DAAN Sullins 4 4 Q1 Q2 Q6 Q7 2SK3019 MOSFET Nch 30V 100mA 8 Ohm SC 75A 2SK3019 Rohm 2 2 Q3 Q8 2N7002 MOSFET N ch 60 V 115 mA 1 2 Ohms SOT23 2N7000 7 F Diodes Inc 1 Q4 BSS138 MOSFET Nch 50V 0 22A 3 5 Ohm SOT23 BSS138 Fairchild 1 Q5 BSS84 MOSFET P ch 50 V 130 mA 10 Ohms SOT23 BSS84 Fairchild 3 3 R1 R26 R27 300K 0 1 Resistor Chip 0 1W 0 1 25 ppm 0603 RG1608P 304 B T5 SSM 1 R2 100K Resistor Chip 1 16 W 196 0402 Std Std 2 2 R3 R41 27K Resistor Chip 1 16 W 596 0402 Std Std 1 1 R4 165K Resistor Chip 1 16 W 196 0402 Std Std 8 8 R5 R6 R13 R14 R34 R37 100 Resistor Chip 1 16W 596 0603 Std Any 1 R7 2M Resistor Chip 1 16 W 596 0402 Std Std 14 14 R8 R12 R15 R20 1 5K Resistor Chip 1 16 W 596 0402 Std Std R22 R24 1 R21 220K Resistor Chip 1 16 W 596 0402 Std Std 1 R25 200 Resistor Chip 1 16W 596 0603 Std Any 1 R28 16 5K 1 Resistor
11. SSOP BQ34Z120PW 1 1 i PCB 68 mm x 50 mm x 1 mm PWR111 Any CONNECTOR 2 2 J4 mate Connector Female 0 100 Centers Molex 22 01 3047 8 8 N A Terminals Crimp Tin Molex 05 50 0114 N A Wire Insulated 24 Awg Red 18 inches 3 inches USB_5V Alpha 1854 3 N A Wire Insulated 24 Awg White 18 inches 3 inches SCL Alpha 1854 1 N A Wire Insulated 24 Awg Black 18 inches 3 inches GND Alpha 1854 2 N A Wire Insulated 24 Awg Brown 18 inches 3 inches SDA Alpha 1854 7 1 1 N A Heatshrink 1 Any Any Notes 1 These assemblies are ESD sensitive observe ESD precautions 2 These assemblies must be clean and free from flux and all contaminants Use of no clean flux is not acceptable 3 These assemblies must comply with workmanship standards IPC A 610 Class 2 4 Reference designators marked with an asterisk cannot be substituted All other components can be substituted with equivalent MFG s components 5 Make one SMBus connector wire assembly for each assembly produced from J4 mate 4 24 Awg wires and crimp terminals Wire colors for pin numbers are listed below Place a J4 mate on each end of the wire assembly 10 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for NiMH SLUUACA March 2013 and NiCd Batteries Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated l TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup 43 bq34z120 Circuit Module Performance Specification Summa
12. Use Figure 10 the Data Flash Screen to configure the settings freres bq Gas Gauge Evaluation Software bq34z120 v0 01 Data Flash Constants JEJE amp File Options DataFlash View Window Help x Y 43 Texas INSTRUMENTS REAL WORLD SIGNAL PROCESSING Bead All Write All Write All Preserve Right click on constant name for more information EAE Calibration Security Configuration Z System Data Gas Gauging OCY Table Ra Table Name Value Unit Name Value Unit Name value Unit Safety Manuf Date Oi Jan 1980 date Manufacturer Data OT Chg 55 0 degt Ser Num 0001 hex Pack Lot Code 0000 hex OT Chg Time 2 Sec Cycle Count 0 num PCB Lot Code 0000 hex OT Chg Recovery 50 0 degt CC Threshold 900 mAh Firmware Version 0000 hex OT Dsg 60 0 degc Design Cell Capacity 1000 mAh Hardware Revision 0000 hex lash OT Dsg Time 2 Sec Design Cell Energy 1200 mH Cell Revision 0000 Flas OT Dsg Recovery 55 0 degt SOH Load I 400 mA DF Config Version 0000 hex Charge Inhibit Cfg 2 TDD SOH Percent 90 Integrity Data z E Chg Inhibit Temp Low 0 0 degt Cell Charge Voltage T1 T2 1500 my Static Chem DF Checksum 0000 hex Chg Inhibit Temp High 45 0 degC Cell Charge Voltage T2 T3 1500 my Lifetime Data Temp Hys 5 0 degC Cell Charge Voltage T3 T4 1500 mi Lifetime Max Temp 30 0 degC Charge Charge Current T1 T2 10 Lifetime Min Temp 20 0 degC Suspend Low Temp 5 0 degt Charge Current T2 T3 50 96 Lifetime Max Cha Current 0 m
13. adio 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 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 e
14. ate OK Cell Volt 1000 mV o Initial Standby 10 mA Cell BH voit Time 2 Sec Sleep Current 10 mA Fuel Gauge Initial MaxLoad Cell BH Clear Volt Thresholc 1500 my FS Wait 0 Sec 99 Communication OK SBS Task Progress 100 Task Completed 05 33 49 PM Figure 10 Data Flash Screen Gas Gauging Class Click on menu option Data Flash Read All to read all the data from the bq34z120 data flash Write to a data flash location by clicking on the desired location and entering the data Clicking Enter writes the entire tab of flash data Writing to a data flash location can also be accomplished by selecting menu option Data Flash Write All The data flash must be read before any writes are performed to avoid having incorrect data written to the device The File Special Export menu option allows the data flash to be exported Save the data flash configuration 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 bq34z120 using the Write All button The configuration information of the bq34z120 data is held in the data flash The bq34z120 allows for an automatic data flash export function similar to the Data RAM logging function This feature when selected using Options Auto Export exports data flash to a sequential series of files named FilenameNNNNN gg where N a decimal number from 0 to 9 The AutoExport interval is set under t
15. dling the product This notice contains important safety information about temperatures and voltages For additional information on Tl 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 TI 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 eq
16. e enhn nnn e nne nn nnn nnn 5 Impedance Track is a trademark of Texas Instruments Inc Windows is a registered trademark of Microsoft Corporation SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 1 Submit Documentation Feedback NiMH and NiCd Batteries Copyright O 2013 Texas Instruments Incorporated IJ TEXAS INSTRUMENTS Features www ti com 4 bq342120EVM Inner Layer disais ewan En rapa ua cece Ext M ERRARE XD ER ERR PER ERF IE ERE SUE T MERE MEME 6 5 bq34z120EVM Inner Layer 2 enne nmn e nh hme ene hn e hh eme e nne ne nnn ene enn nnn 6 6 bq34z120EVM Bottom Layer cece cece eee e en n n e nm hme enne e e nnn he enne nne nnn enne nnn x 7 ba342120EVM seii 8 8 bq34z120 Circuit Module Connection to Cells and System Load and Charger 12 9 Data RAM SCreer T 14 10 Data Flash Screen Gas Gauging Class ss epson xI Ime Rec Rem em RKE ERE CE EA ADM EAE ER ARDEN EAE 15 11 Galibratiori SCreeri sisse eo naso unio en nnno nio tnn au amar a a ANAE AEE EEE EPNNIETMUSTMN ETE M FEN i V TENE 17 12 EC Pro Advanced Screens tae manndennenncd crecrennein detente eR 19 13 SENG HDQ SCKESM ETT IE 20 14 baChem Scree sensin 21 List of Tables 1 Ordering Intormatio Nikerio E nie aa E O E a a 2 2 bq34z120EVM Bill of Materials m m a hme m e nme nene nnn 9 3 Performance Specifica
17. emistries bqChem also lets you program the chemical database into the gauge Users can sort by chemical ID or by cell manufacturer For help identifying the chemistry for the cells contact the Texas Instruments field representative amp Texas Instruments bq Gas Gauge Evaluation Software bq34z120 v0 01 bqChem 4 File Window Help 9 Texas INSTRUMENTS WORLD SIG X9 TEXAS INSTRUMENTS Chemistry bqCHEM Sort by Manufacturer ChemUpdater v265 Zhongmai IFP8085160 7000 mAh HDQ Pro Lishen LP44147272 130 Ah Lishen LP44147172 70 h Lishen LP44147132 50 4h Calb CA40FI 40Ah Yuntong YT1044125PHF 4000 Calibrate AA Portable LFP 18650 1500 1500 A123 ANR26650M1 B Obsolete Do not use Duracell UB1426 Energizer Zn MnO2 AA 2013 Energizer L91 3000 m amp h Toshiba SCiB NP2211F10F 112J Leoch Valve Regulated 5s 7200 EnerSys Cyclon DT 4500 Panasonic R121R3P rev 1 01 OK Update Fuel Gauge Data Flash Device 120 Version 0 01 SBS Task Progress 100 Task Completed j 05 39 14 PM Figure 14 bqChem Screen SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 21 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated 22 EVM Hardware and Software Setup 5 10 Related Documentation from Texas Instruments For related documentation contact the TI field representative Documents bq34z120 bq30z55 H1 SBS
18. f the gauge must be changed with a special command This screen provides a button for this purpose Note the warning message The process is not reversible Once in HDQ mode the HDQ pro screen is available for testing commands and reprogramming the device For register scanning and data flash access use the companion evaluation program for HDQ SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 19 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS EVM Hardware and Software Setup www ti com 4 Texas Instruments bq Gas Gauge Evaluation Software bq34z120 v0 01 EVSW Module BAX 4 File Window Help 8X 9 TEXAS INSTRUMENTS REAL WORLD SIGNAL PROC 4 yp This will change communication from I2C to HD6Q8 This operation can not be reversed Data Flash HDQ Pro Calibrate I2C Pro Send HDG 4 gt k 100 0 Fuel Gauge 99 Communication OK SBS Task Progress 100 Task Completed 05 37 24 PM Figure 13 Send HDQ Screen 20 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright O 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup 5 9 bqChem bqChem provides access to the library of previously characterized Lithium lon cell ch
19. fety critical applications In some cases TI components may be promoted specifically to facilitate safety related applications With such components Tl 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 as meeting ISO TS16949 requirements mainly for automotive use In any case of use of non designated products TI will not be responsible for any failure to meet ISO TS16949 Products Applications Audio www ti com audio Automotive and Transportation www ti com automotive Amplifiers amplifier ti com Communications and Telecom www ti com communications Data Converters DLP Pr
20. he Options menu with a minimum value of 15 s The AutoExport filename is set under the Options menu SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 15 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS EVM Hardware and Software Setup www ti com 5 6 5 6 1 5 6 2 16 When a check is next to AutoExport the AutoExport is in progress The same menu selection is used to turn AutoExport on and off If the data flash screen is blank the bq34z120 used may not be supported by the bqEVSW version in use An upgrade may be required Calibration Screen How to Calibrate Calibrate the bq34z120 using appropriate floating power supplies before the cells are attached Complete the following before the bq34z120 is calibrated Connect and measure a 1 to 2 A stable current source from BAT to PACK The positive lead from the current source is connected to PACK simulating a discharge current Connect and measure a stable voltage source from BAT 4 to BAT Measure the temperature near the thermistor Whether all of the preceding steps are required depends on the type of calibration being performed Calibrating the bq342120 Calibrate the bq34z120 using the following sequential steps 1 Select the types of calibration to be performed 2 Enter the measured values for the types of calibration selec
21. he bq34z120 circuit module 4 1 Board Layout Figure 1 through Figure 6 show the PCB layers and assembly drawing for the bq34z120 module ir 8031 I svxa T D a a D o w z a 4 A g a Q ER N 5 sS E4 x Wr lt 5V gt 5V H9Vd Lva 1va 01 21V9SA AV1dSIq qai IH 3IVOSA Figure 1 bq34z120EVM Layout Silkscreen 4 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Circuit Module Physical Layouts Schematic and Bill of Materials Figure 3 bq342120EVM Top Layer SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 5 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated J TEXAS INSTRUMENTS Circui
22. hoosing Maximum MultiCell Battery Voltage e ee eee teen nese eens eeeeeeeeeeeeaeeee 3 3 3 Choosing the LED configuratioft 2 eine nina E dun nee aan vated 4 3 4 Choosing the ALERT configurations sssseckuue N s CASU DENN SAU SEN NS EE 4 4 Circuit Module Physical Layouts Schematic and Bill of Materials eeee eee eeeeeeee 4 4 1 Board Layout rc cre 4 4 2 SCh MAIIC rss ein EE EE EO T Semences 8 4 3 bq34z120 Circuit Module Performance Specification Summary esee 11 5 EVM Hardware and Software Setup cceeeeeeeeee eee eee eee ene e eee eee eens n nennen nhe nenne nn nnn nnn nnne 11 5 1 System REQUIFEMENIS 5e tue ane et ee O NEEE AAEE 13 5 2 Software Installation ss cutn ue edes ense eost aem enira E CER CIEN cocon este annee 11 5 3 Troubleshooting Unexpected Dialog Boxes ss IH Hm nnn 11 5 4 Hardware erect M M 11 5 5 OperatioM Met 13 5 6 Calibration SCLC CI ace cic e w l E 16 5 7 FC Pro Advanced SCrES i siiwisscincienurientcn airitentnuteninmmreetcninal e dt e e Wat aint ed n 18 5 8 Send HDQ SCreen 2 D 19 5 9 ege RE 21 5 10 Related Documentation from Texas Instruments HH nnn 22 List of Figures 1 bq34z120EVM Layout Silkscreen ccece eee cece eee aa nnne hehe nnn nn nnns nnn 4 2 bq34z120EVM Top Assembly en en hh en e hm enn nnn enhn nnn enn nnne nne nnn nnn 5 3 bq34z120EVM Top Layer nnn n e Hm mI hme eme e hme emn n he en
23. ice SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 13 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS EVM Hardware and Software Setup www ti com amp Texas Instruments bq Gas Gauge Evaluation Software bq34z120 v0 01 SBS Data Lots A File Options AutoCycle View Window Heb o x 4 TEXAS INSTRUMENTS Start IV Keep fresh RS Graphs Refres Logging Scanning graphs Name Value Unit Log Scan Name Value Unit Log Scan Log Scan Control C014 hex lv M NomAvailCap 972 mah iv M Internal Temperature 25 8 degc V M Control Status cois hex lv M Full Available Capacity 988 mAh M M Cycle Count 0 wi State of Charge 99 x i iv Average Time to Empty 65535 min M M State of Heath 94 vili Remaining Capacity 71 mhM M Average Time to Full 65535 min M M Charge voltage 4500 mv M M Full charge Capacity 927 mah iv M Standby Current 10 m M M Charge Current 0 mA M M Voltage 4158 m M M Standby Time to Empty 5832 min M M Passed Charge 0 mhM M Data Average Current 0 mM M Maximum Load Currert 500 mA M M DODO 448 vii Flash Temperature 248 degc lv M Max Load Time to Empty 109 mn M M SelfDischargeCurrent 0 mA lv M Flags 0200 hex lv M Available Energy 1141 mwh v M Pack Configuration 0169 WIN At Rate o oom lvi Available Power o mw v lv Current o maiM v At Rate Time To Empty 65535 min M M Time to Empty Const Power 65535
24. ll semiconductor products also referred to herein as components are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its components to the specifications applicable at the time of sale in accordance with the warranty in Tl s terms and conditions of sale of semiconductor products Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by applicable law testing of all parameters of each component is not necessarily performed TI assumes no liability for applications assistance or the design of Buyers products Buyers are responsible for their products and applications using Tl components To minimize the risks associated with Buyers products and applications Buyers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right relating to any combination machine 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 lice
25. nse from TI under the patents or other intellectual property of TI Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service voids all express and any implied warranties for the associated TI component or service and is an unfair and deceptive business practice Tl is not responsible or liable for any such statements Buyer acknowledges and agrees that it is solely responsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has 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 sa
26. nsfer 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 ZEATE T FAREY Mx EEXEXS AEERB E SE UT CU UA ARMOCPAICRL CIE BREBTOL HO LFOUTHAOBBEM TULE DEFEN ETN CCHRB lt K EE 1 BRAT RUSSE ARS CET XE RLI8ES H28 AMBER 81738 CEOSHLEREESO MBM C C BRI TIE IE 2 SERIO SEREEBUS C BRIU IEEE 3 RN R RIENREMS RCHARUEEX ZB Ami buio TEAC TORA EHE BEAIBALZURY BE B T SUEDELRT aigX SPIRU AUS SBOEOBEIRIZ3SR amp NSRP 6 eE TAERE BAT TUAS 4VLAVMATUMES mBGAMWUHIXPSEHROIE24915 ME HEIL 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 repre
27. oducts DSP Clocks and Timers Interface Logic Power Mgmt Microcontrollers RFID OMAP Applications Processors Wireless Connectivity dataconverter ti com www dlp com www ti com clocks interface ti com logic ti com microcontroller ti com www ti rfid com www ti com omap Computers and Peripherals Consumer Electronics Energy and Lighting Industrial Medical Security Space Avionics and Defense Video and Imaging TI E2E Community www ti com wirelessconnectivity www ti com computers www ti com consumer apps www ti com energy www ti com industrial www ti com medical www ti com security www ti com space avionics defense www ti com video Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2013 Texas Instruments Incorporated
28. 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 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 r
29. ot 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 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
30. press the Program button When programming is complete pushing the Execute button initiates program execution Within a few seconds Communication OK appears in the status area Close and re open the Evaluation Software to ensure data file synchronization 18 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright O 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup Texas Instruments bq Gas Gauge Evaluation Software bq34z120 v0 01 Pro screen 12C over 12C lines WJoe Ele Window Help 3 x ua 9 TEXAS INSTRUMENTS REAL WORLD SIGNAL PR Caution This screen is for advanced users Some commands may cause permanent damage to hardware E AS All Values in hexadecimal No 12C laa Read I2C Data Block DataRAM 12C Command 74 ReadData Size 4 Bead Data 1 Write I2C Data Block I2C Command og paa 000f Write Data HDQ Pro Calibrate Read Write I2C Byte I2CCommand oj _ BeadByte Bye lag Y I2C Pro gre CAUSERDATA bQq801X A balndy CUSTOMER FILES El Program Execute Send HDG Read to senc C zl fle bqChem Ce 100 0 Fuel Gauge 99 Communication OK SBS Task Progress 100 Task Completed 05 36 21 PM Figure 12 I C Pro Advanced Screen 5 8 Send HDQ Screen When using the HDQ single wire serial communication feature the mode o
31. r 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 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
32. ration This section details the operation of the bq34z120 EVSW software NOTE Neither the EV2300 or EV2400 driver supports Windows Sleep or Hibernate states If communicating with the EV2300 or EV2400 or the EVM presents a problem unplug the USB cable and then plug it back in 5 5 1 Starting the Program With the EV2300 or EV2400 and the bq34z120EVM connected to the computer run bq34z120 EVSW from the Desktop Icon or Start All Programs Texas Instruments bq Evaluation Software menu sequence The Data RAM 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 using 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 bq34z120 EVSW provides a logging function that logs the values that were last scanned by the 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 must 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 tw
33. ry This section summarizes the performance specifications of the bq34z120 circuit module Table 3 Performance Specification Summary Specification Min Typ Max Units Input voltage BAT to BAT in lt 5 V mode 2 7 4 5 V Input voltage BAT to BAT in MultiCell gt 5 V mode 5 28 50 V Charge and discharge current 0 2 7 A 5 EVM Hardware and Software Setup This section describes how to install the bq34z120EVM PC software and how to connect the different components of the EVM 5 1 System Requirements The bq34z120EVSW requires Windows 2000 Windows XP Windows Vista or Windows 7 5 2 Software Installation NOTE For the latest software archive contact the Texas Instruments field representative assigned to this device Install the bq34z120EVSW software with the following steps 1 Save the archive to a temporary directory 2 Double click the executable filename and follow the installer instructions to complete the bq34z120 EVSW installation If the EV2300 or EV2400 was not previously installed After bq34z120 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 5 3 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 5 4 Hardware Connection The bq34z120
34. sent 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 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 TI s recommended specifications and environmental considerations per the user guidelines Exceeding the specified EVM ratings including but n
35. t Module Physical Layouts Schematic and Bill of Materials www ti com fe OOOO IMIOIOre 01010101010 9 oon o o o a o e o a Figure 5 bq342120EVM Inner Layer 2 6 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUAC4 March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright 2013 Texas Instruments Incorporated 1 TEXAS INSTRUMENTS www ti com Circuit Module Physical Layouts Schematic and Bill of Materials Figure 6 bq342120EVM Bottom Layer SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 7 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated Circuit Module Physical Layouts Schematic and Bill of Materials I TEXAS INSTRUMENTS www ti com 42 Schematic BAT BAT PACK R2 R4 Q4 wo A 165K A 855138 Fe R35 R36 a 100 100 REGN 4 SDA 32 scL R37 R34 GND AlS olo 16v A zw R31 100 100 BSS84 ti tl P pa 10k 10k 7 RL to aN Di A GND FR R26 R27 olo lace u2 AZ23C5V6 7 CM Y300K 1 300K 1 300k 1 BQS4Z1
36. t 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 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 tra
37. ted except for offset calibrations 3 If Temperature Calibration is selected select the sensor that is to be calibrated 4 Click the appropriate button to initiate calibration bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright O 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS www ti com EVM Hardware and Software Setup amp Texas Instruments bq Gas Gauge Evaluation Software bq34z120 v0 01 Host Calibration BAX j file Window Help a x 43 Texas INSTRUMENTS REAL WORLD SIGNAL P Version 1 0 0 3 Please ensure that scanning communication is off on al other open windows Coulomb Counter Offset Calibration Step 1 Date Au eee Ensure he no losd curentiefoving Voltage and Temperature Calibration Step 2 Data Calibrate Vokage and Temperature as Flash indicated below Voltage Measured Enter actual HDQ Pro Voltage Cal voltage votage my w Temperature Measured Enter actual temperature temperature Temperature C G I2C Pro Board Offset Calibration Step 3 Calibrate Board Offset Send HDG Pack Current Calibiation Step 4 ducc Eins Apply a discharge load Discharge Calibrate Pack curren is a negative value Charge bqChem Current p m 2000 a current is posilive A voltage applied between Cell ground and Pack will force current through sense resistor X 100 0 Fuel Gauge 99 Communica
38. tion OK SBS Task Progress 100 Task Completed 05 34 59 PM Figure 11 Calibration Screen SLUUACA March 2013 bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for 17 Submit Documentation Feedback NiMH and NiCd Batteries Copyright 2013 Texas Instruments Incorporated I TEXAS INSTRUMENTS EVM Hardware and Software Setup www ti com 5 7 FC Pro Advanced Screen 5 7 1 PC Communication The set of read and write operations over l C bus are not specific to any gas gauge These are provided as general purpose communication tools 5 7 2 Reprogramming Reprogram the device using the following Ensure that the gauge is in Full Access mode The SS and FAS flags in the Control Status register must both be unasserted Green If not use the appropriate data block codes to command 0x00 to clear the flags Type default codes of 0414 3672 into the Write I2C Data Block feature to unseal and ffff ffff for full access or into the value field of the control register on the Data Ram screen followed by pressing Enter Stop the scan during this operation to ensure the words are received consecutively With scanning enabled using the Write I2C Data Block feature commands the gauge to stop executing and enter ROM mode Send data block code 0x000f to command 0x00 If successful the status at the bottom of the screen changes from Communication OK to Communication Error Use the file browser button to locate the desired senc file
39. tion Summary ceeeeeeeesseeseeeseeeee nnns nne nnn 11 4 Circuit Module to EV2300 or EV2400 Connections 12 1 Features Complete evaluation system for the bq34z120 advanced gas gauge with Impedance Track technology e Populated circuit module for quick setup Link to software allowing data logging for system analysis 1 1 Kit Contents bq34z120 circuit module Support documentation 1 2 Ordering Information 2 Table 1 Ordering Information EVM Part Number Chemistry Configuration Capacity bq34z120EVM Lead Acid 3 V 65 V Any bq34z120EVM Wide Range Impedance Track Enabled Fuel Gauge for SLUUACA4 March 2013 NiMH and NiCd Batteries Submit Documentation Feedback Copyright O 2013 Texas Instruments Incorporated 13 TEXAS INSTRUMENTS www ti com bq34z120 Device Based Circuit Module 2 bq34z120 Device Based Circuit Module The bq34z120 based circuit module is a complete and compact example solution of a bq34z120 fuel gauge solution for Lead Acid packs The circuit module incorporates a bq34z120 fuel gauge IC and various option components and jumpers necessary for evaluation under various battery voltage LED and ALERT signal configurations 2 1 Circuit Module Connections Contacts on the circuit module provide the following connections Direct connection to BAT and BAT The system load and charger connect across BAT and PACK To the I C and HDQ serial communication ports To the ALERT o
40. uipment 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 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 use
41. utput 2 2 Pin Descriptions PIN NAME DESCRIPTION BAT Positive battery stack and pack connection BAT Negative battery stack connection PACK Pack negative terminal SDA lC data signal SCL PC clock signal GND Communication and ALERT grounds HDQ HDQ serial communication signal ALERT ALERT output signal 3 bq34z120 Circuit Module This section contains information on the schematic for the bq34z120 implementation 3 1 Choosing S 5 V or gt 5 V Operation The bq34z120 operates in one of two modes for measuring battery voltage Place two jumpers on header J5 to select the mode of operation Refer to the silk screen markings near J5 on the EVM WARNING Applying a voltage higher than 5 V when jumpers are configured for S 5 V operation is very likely to damage the IC The s 5 V mode simplifies the circuit from that shown in the schematic Most of the components shown to the left of the bq34z120 are not necessary 3 2 Choosing Maximum MultiCell Battery Voltage In the MultiCell 5 V setup three levels of maximum battery voltage 16 32 and 48 V are selectable on the header J2 Refer to the schematic and silkscreen markings on the EVM for jumper placement Ideally the total divider ratio including the 16 5 kO resistor R28 converts the maximum expected voltage on the battery to something between 0 8 V and 1 0 V at the BAT pin of the gauge For this reason test points TP1 and TP2 are provided to customize the top leg of the divider for your application
42. x0 PW En Paspa i4 TPL T2 2 3300 pF mm R14 GND R13 457 S EX D7 Bzrs2csves 7 VscaleHi Vscale Lo AGND a F 100 100 iio A R41 27K co 4 sens AE Q3 2N700 sen 10 Gy H loo 4 sre 4 od E E ov c2 swi ve R21 4 LED Display 220 2 O 1uF AZ23C5V6 7 hom j 4 cub pd R38 CB 1uF ER sec 1k cuo z lt 5v 4 1f ALERT R7 gt sv 2M 3 GND Q6 Recs gt 25k3019 ALERT CONFIGURATION 2 TBI R28 16 5K 196 5v el E 1 AGND aj ABCD E R5 100 C5 0 1uF 1uF 3 4 cz sg T53 ze T oam sw P R6 100 C6 j oiu pem E eno _ AGND REGIN a u3 L SN74HC164PW RIS RIS E 1 Aene 1 5K 1 5K 1 5K mil 1 f z z z Open for I2C LED9 D9 QTLP610C 7 RED RBA A L5K a eno F dys iw ws LEDS D10 OTLP610C 7 REDE R9AAALSK LEDAS N tepBs X X eos X LED74 D11 QTLPG10C 7 REDRA RIOAAALSK B E B LEDG D12 QTLP610C 3 YEL RIlAAML SK bd sd sd aeos 4 rs ad 23 2 LED CONFIGURATION OPTIONS d LEDS TLP610C 3 YEU RI2AAAL SK Fiducial Marks LED4 4 D14 QTLPG10C 3 YELB SY R18A A 1 5K TD se mDo5 2lolo p e e LED3 4 D15 QTLPGi0C 4 GRit M R20 Al 5K nolo c LED2 4 D16 OTLP610C 4 GRN e s R224AAL 5K Do s e e ir mDO olo a SN74HC164PW reen gt 2 olo ext e e C4 j our n 4 H e TP8 np e e EE R32 R33 LED1 D17 QTLPG10C 4 GRI R23 q 5K aloa T iM 1M LEDO TLPG10C 4 GRMN R24AAALSK 4 los TP6 Nx TP3 lac TPS T4 ko ow Law eno e E51
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