BQ27000EVM Datasheet, PDF (1/19 Pages) Texas Instruments – bq27000 Single Cell Battery Fuel Gauge Evaluation Module

User's Guide
SLUU157A – September 2004 – Revised November 2004
bq27000 Single Cell Battery Fuel Gauge
Evaluation Module
The bq27000EVM is a complete evaluation system for the bq27000 single cell Li-Ion
and Li-Polymer battery gas gauge device.
Contents
1 Introduction .......................................................................................... 2
2 bq27000EVM Based Circuit Module ............................................................. 3
3 bq27000EVM Circuit Module Schematic ........................................................ 3
4 Circuit Module Physical Layouts.................................................................. 4
5 bq27000EVM Circuit Module List of Materials.................................................. 8
6
bq27000EVM Circuit Module Performance Specification Summary ......................... 8
7 EVM Hardware and Software Setup ............................................................. 9
8 Operation........................................................................................... 10
List of Figures
1 bq27000EVM Schematic .......................................................................... 4
2 bq27000EVM Topside Assembly................................................................. 5
3 bq27000EVM Silkscreen .......................................................................... 5
4 bq27000EVM Layer 1 Layout ..................................................................... 6
5 bq27000EVM Layer 2 Layout ..................................................................... 6
6 bq27000EVM Layer 3 Layout ..................................................................... 7
7 bq27000EVM Layer 4 Layout ..................................................................... 7
8
bq27000EVM Circuit Module Connection to Cells and System Load/Charger ............. 9
9 Initital Register Screen ........................................................................... 11
10 EEPROM Screen.................................................................................. 12
11 Pro Screen ......................................................................................... 14
12 Calibration Screen ................................................................................ 15
List of Tables
1 Ordering Information ............................................................................... 2
2 Test Points........................................................................................... 3
3 List of Materials ..................................................................................... 8
4 Performance Specification Summary ............................................................ 8
5 Circuit Module-to-EV2300 Connection ......................................................... 10
6 Example Data Log ................................................................................ 16
SLUU157A – September 2004 – Revised November 2004
bq27000 Single Cell Battery Fuel Gauge
1
Evaluation Module