Texas Instruments bq76925EVM, User Manual

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User ' s Guide
SLUU514 – July 2011
bq76925EVM Evaluation Module
This user's guide for the bq76925EVM evaluation module can assist designers in their evaluation of the
bq76925, Analog Front End for 3- to 6-Series Lithium-Ion Cells. This guide discusses setup and operation
of the module and contains schematics, bill of materials, and printed-circuit board layout.
Before designing a battery management system with the bq76925, designers are advised to read the
bq76925 data sheet (
SLUSAM9 ).
Contents
1 Overview
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4
1.1 Features
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4
1.2 Kit Contents
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4
1.3 Equipment Requirements
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4
2 Circuit Details and Configuration
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6
2.1 Connections
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6
2.2 Configuration Jumpers and Switches (J1
–
J6, S2, S4)
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8
2.3 Pushbuttons (S1, S3)
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10
2.4 Test Points
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10
2.5 bq76925
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11
2.6 MSP430F2122
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11
3 Quick-Start Demonstration
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11
3.1 Evaluation Software and USB-TO-GPIO Adapter
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11
3.2 Configuration Switches and Jumpers
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12
3.3 Power to the bq76925EVM
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12
3.4 Connect USB-TO-GPIO Adapter
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12
3.5 bq76925 Evaluation Software
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13
4 Control Register Demonstration
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16
4.1 View Control Registers
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4.2 Control Registers Introduction
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4.3 Modifying Control Registers
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4.4 Sleep Mode and Wake Up
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5 Control Panel Demonstration
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5.1 Access to the Control Panel
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5.2 Measurement Tab
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5.3 Analog Output Section
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5.4 VCOUT Readings
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5.5 VIOUT Readings
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5.6 Auto Control
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5.7 EEPROM Correction Registers
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5.8 Startup Config Tab
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5.9 Configuration Control
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5.10 Power Control
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5.11 Logging Tab
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5.12 Log File
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1 SLUU514 – July 2011 bq76925EVM Evaluation Module
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