BQ76925EVM

Evaluation Module for BQ76925 Analog Front End for 3 to 6 Series Lithium-Ion Cells

BQ76925EVM

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Overview

The BQ76925EVM is an evaluation module for BQ76925, analog front end for 3 to 6 Series Lithium-Ion Cells. The user's guide for the BQ76925EVM evaluation module can assist designers in their evaluation of the BQ76925. 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. If a designer wants to communicate with this EVM from a Windows-based PC, a separate USB interface adapter EVM is recommended. The USB-TO-GPIO adapter serves as an interface adapter or a bridge between a host PC (IBM compatible) and one or multiple slave devices via a standard type-A to mini-B USB cable. The USB-TO-GPIO Adapter is listed below in the related tools section.

Features
  • Evaluation module (EVM) for bq76925
  • One bq76925 and one MSP430F2122 device with associated support circuitry
  • Support for 3-to 6-series connected cells
  • bq76925 circuit is jumper configurable for internal or external 3.3-V source
  • Supports nominal 4.2-V to 26.4-V pack voltages, 30 V maximum
  • 20-A continuous charge/discharge current rating
  • Onboard thermistor for temperature measurement
  • Transient voltage protection of PACK± terminals
  • Connector for USB-TO-GPIO Adapter
  • Test points for monitoring of cell voltages and other important circuit nets
  • EVM design files in Mentor Graphics™ PADs™ 2009 format available on request
  • Gerber files available on request
Battery monitors & balancers
BQ76925 Analog front end for 3 to 6 series lithium-ion cells

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Evaluation board

BQ76925EVM – Evaluation Module for BQ76925 Analog Front End for 3 to 6 Series Lithium-Ion Cells

Support software

bq76925 Evaluation Software – SLUC268.ZIP (1682KB)

Firmware

bq76925 Example Code – SLUC581.ZIP (21KB)

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* User guide bq76925EVM Evaluation Module (Rev. A) Feb. 11, 2019
Datasheet BQ76925 3-Series to 6-Series Cell Li-Ion and Li-Phosphate Battery Monitor (Analog Front End) datasheet (Rev. E) Apr. 21, 2020
More literature BQ76925EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
More literature bq76925 Example Code Mar. 26, 2015

Related design resources

Hardware development

INTERFACE ADAPTER
USB-TO-GPIO USB Interface Adapter EVM

Support & training

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