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Evaluation Module for BQ28400 Netbook and Tablet Lithium Ion Gas Gauge and Protector

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Texas Instruments BQ28400EVM

The bq28400EVM is a complete evaluation system for the bq28400/bq29200 battery management system. The evaluation module (EVM) includes one bq28400/bq29200 circuit module. Windows™-based PC software can be downloaded from the bq28400EVM product web page. The circuit module includes one bq28400 integrated circuit (IC), one bq29200 IC, and all other onboard components necessary to monitor and predict capacity, perform cell balancing, monitor critical parameters, and protect the cells from overcharge, over-discharge, short-circuit, and overcurrent in 2-series cell Li-ion or Li-Polymer battery packs. The circuit module connects directly across the cells in a battery. With the EV2x00 interface board and software, the user can read the bq28400 data registers, program the chipset for different pack configurations, log cycling data for further evaluation, and evaluate the overall functionality of the bq28400/bq29200 solution under different charge and discharge conditions.

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