Texas Instruments bq26231EVM-001 User Manual Download | Manualshive

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July 2002

PMP

User’s Guide

SLUU126

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Summary of Contents for bq26231EVM-001

Page 1: ...July 2002 PMP User s Guide SLUU126...

Page 2: ...t that any license either express or implied is granted under any TI patent right copyright mask work right or other TI intellectual property right relating to any combination machine or process in wh...

Page 3: ...handling or use of the goods Please be aware that the products received may not be regulatory compliant or agency certified FCC UL CE etc Due to the open construction of the product it is the user s r...

Page 4: ...f 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 70 C The EVM is des...

Page 5: ...2 5 3 EVM Hardware and Software Setup 3 1 3 1 Software Installation 3 2 3 2 Hardware Connection 3 2 3 2 1 Connecting the bq26231EVM 001 Circuit Module to a Battery Pack 3 2 3 2 2 PC Interface Connect...

Page 6: ...1 Initial Register Screen 4 3 4 2 Loading Screen That Shows the Board Detection Is Failing 4 4 4 3 Graph Screen 4 5 4 4 Read Write Regs Screen 4 6 4 5 Setup Screen 4 7 4 6 Data Logging Screen 4 8 4 7...

Page 7: ...e bq26231 and all other components onboard necessary to monitor capacity and other critical parameters in a one cell Li Ion battery pack The circuit module connects directly across the cell in a batte...

Page 8: ...allows data logging for system analysis 1 2 Kit Contents bq26231 circuit module with sense resistor EV2200 PC interface board Set of evaluation software disks entitled EV220 231 PC serial cable Set o...

Page 9: ...d all other components necessary to accurately protect and monitor the charge and discharge of single Li Ion cell This EVM can also be used for 3 series NiMH applications Contacts on the circuit modul...

Page 10: ...ckup input 2 2 Schematic Figure 2 1 is the bq26231EVM 001 SLUP148 circuit module schematic diagram Figure 2 1 bq26231EVM 001 Schematic R3 100 k NC 2 1 U1 bq26230PW bq26231PW BAT RBI D2 J2 100 k R6 BAT...

Page 11: ...he bq26231EVM 001 circuit module SLUP148 Figure 2 2 bq26231EVM 001 Circuit Module Layout U1 TEXAS INSTRUMENTS SLUP148 A TOP ASSEMBLY 44 45 R1 R3 C1 10 80 J2 C4 R5 R6 C2 C3 J1 1 44 45 D2 R7 R4 R2 R8 D1...

Page 12: ...Figure 2 2 bq26231EVM 001 Circuit Module Layout Continued TEXAS INSTRUMENTS SLUP148 REV A LAYER 1 TEXAS INSTRUMENTS SLUP148 REV A LAYER 2 TEXAS INSTRUMENTS SLUP148 REV A MASK 1 TEXAS INSTRUMENTS SLUP...

Page 13: ...ener 5 6 V Zetex BZX84C5V6 SOT 23 D2 1 Diode 1N914 Diode Inc MMBD914 SOT 23 U1 1 Integrated circuit gas gauge bq26231PW Benchmarq TI bq26231PW TSSOP 8 Component count 18 Assembly Notes 1 This assembly...

Page 14: ...2 6...

Page 15: ...e Setup EVM Hardware and Software Setup This section describes how to install the EV2200 231 PC software and how to connect the components of the EVM Topic Page 3 1 Software Installation 3 2 3 2 Hardw...

Page 16: ...dows application group 3 2 Hardware Connection There are three hardware components to the bq26231EVM 001 1 bq26231EVM 001 circuit module 2 EV2200 PC interface board 3 PC 3 2 1 Connecting the bq26231EV...

Page 17: ...hardware for interface to the PC 1 Connect bq26231EVM 001 to the EV2200 using wire leads as shown in Table 3 1 Table 3 1 Circuit Module to EV2200 Connection bq26231 Based Battery EV2200 HDQ SMBD HDQ1...

Page 18: ...3 4...

Page 19: ...peration This chapter details the installation operation of the EVM2200 231 software Topic Page 4 1 Software Installation 4 2 4 2 Starting the Program 4 2 4 3 Software Instructions 4 4 4 4 Data Loggin...

Page 20: ...luation software loads in 3 to 10 seconds depending on the speed of the PC During this time the EV2200 software is testing the communications to the EV2200 The subsequent message indicates the board s...

Page 21: ...Starting the Program 4 3 Operation Figure 4 1 Initial Register Screen...

Page 22: ...k Scan Registers This can be made automatic by checking the Enable Polling box The period of each scan is set in the timing box provided beneath the automatic polling check boxes The bottom of this sc...

Page 23: ...eir individual uses Simply enter the address and any data for writes and click the appropriate button The control registers show the binary version below the address and data entry boxes to indicate t...

Page 24: ...Software Instructions 4 6 Figure 4 4 Read Write Regs Screen...

Page 25: ...Software Instructions 4 7 Operation Figure 4 5 Setup Screen...

Page 26: ...The bq26231 registers data are logged by clicking the Turn Log On button of 26231 Registers screen This creates a log file and shows the data on the 26231 Registers screen See Figure 4 6 and Figure 4...

Page 27: ...Data Logging 4 9 Operation Figure 4 7 Example of Data Logged Screen...

Page 28: ...4 10...

Page 29: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments BQ26231EVM 001...

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