BQ40Z50 evaluation board 


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BQ40z50EVM is a complete system useful for evaluating the functionality of the bq40z50 fuel gauge. As described on the BQ40z50 product folder, this gauge is appropriate for applications powered by multi-cell battery systems. The EVM includes one bq40z50 circuit module, a current sense resistor, and four thermistors.

  • Populated circuit module for quick setup
  • Software allows data logging for system analysis
  • Complete evaluation system for the bq40z50 battery management IC
Battery fuel gauges
BQ40Z50 1-4 series Li-ion battery pack manager | battery fuel (gas) gauge BQ40Z50-R1 1-4 series Li-ion battery pack manager supporting Turbo Mode 1.0 BQ40Z50-R2 1-4 series Li-ion battery pack manager supporting Turbo Mode 2.0


Battery protectors
BQ2961 2-4S Overvoltage Protector with LDO Output BQ2962 Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion

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Evaluation board

BQ40Z50EVM-561 – 1 Series, 2 Series, 3 Series, and 4 Series Li-Ion Battery Pack Manager Evaluation Module

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Limit: 3
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate BQ40Z50EVM-561 EU Declaration of Conformity (DoC) Jan. 02, 2019
User guide bq40z50EVM Li-Ion Battery Pack Manager Evaluation Module (Rev. B) Sep. 20, 2016
Application note bq40z50 Data Memory Programming for Mass Production Apr. 01, 2015
Application note bq40zxx Manufacture, Production, and Calibration (Rev. A) Mar. 23, 2015
Application note bq40z50 Advanced Gas Gauge Circuit Design (Rev. A) Sep. 23, 2014

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