Datasheet

Features

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2 Bill of Materials .............................................................................................................. 7

3 Performance Specification Summary..................................................................................... 9

4 Circuit Module to EV2300/EV2400 Connections – I

C ............................................................... 11

5 Circuit Module to EV2300/EV2400 Connections – HDQ ............................................................. 11

1 Features

• Complete evaluation system for the bq27545 gas gauge with Impedance Track™ Technology

• Populated circuit module for quick setup

• PC software (available at power.ti.com) and interface board for easy evaluation

• Software that allows data logging for system analysis

1.1 Kit Contents

• bq27545 circuit module

1.2 Ordering Information

Table 1. Ordering Information

EVM PART NUMBER CHEMISTRY CONFIGURATION CAPACITY

bq27545EVM Li-ion 1 cell Any

2 bq27545-Based Circuit Module

The bq27545-based circuit module is a complete and compact example solution of a bq27545 circuit for

battery management. The circuit module incorporates a bq27545 battery gas gauge IC, and all other

components necessary to accurately predict the capacity of a 1-series Li-Ion cell.

2.1 Circuit Module Connections

Contacts on the circuit module provide the following connections:

• Direct connection to the cells: CELL+ and CELL-

• To the serial communications ports (SDA, SCL) or HDQ

• The system load and charger connect across PACK+ and PACK-

bq27545EVM Single-Cell Impedance Track™ Technology Evaluation Module SLUU984–September 2012

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