BQ25750EVM

BQ25750 evaluation module for stand-alone or I²C-controlled 70-V bidirectional buck-boost controller

BQ25750EVM

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Overview

The BQ25750EVM evaluation module (EVM) is a complete evaluation system for the BQ25750 IC, a buck-boost battery charge controller with direct power path control. The BQ25750 has a wide input range of 4.2 V – 70 V, a wide output voltage range of up to 70 V, and bi-directional capabilities. The BQ25750EVM has a max input and output of 55 V and a max charge current of 10 A.

Features
  • Wide input voltage operating range: 4.2 V – 55 V
  • Wide output operating range: up to 55 V with CC/CV support for:

              – 2 to 13–Cell Li-Ion
              – 2 to 14–Cell LiFePO4

  • Synchronous buck-boost DC/DC charge controller with NFET drivers

             – Adjustable switching frequency from 200 kHz to 600 kHz
             – Optional synchronization to external clock
             – Optional gate driver supply input for optimized efficiency

  • Resistor-programmable stand-alone with added I2C mode
  • Built in MPPT to maximize power from solar panel arrays
  • Power up from battery (reverse-mode) output 4 V to 55 V
  • High safety integration

             – Adjustable input overvoltage and undervoltage protection
             – Output overvoltage and overcurrent protection

Battery charger ICs
BQ25750 Stand-alone or I²C-controlled 70-V bidirectional buck-boost charge controller with power path
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Evaluation board

BQ25750EVM — BQ25750 evaluation module for stand-alone or I²C-controlled 70-V bidirectional buck-boost controller

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Technical documentation

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Type Title Date
EVM User's guide BQ25750 Evaluation Module (Rev. A) PDF | HTML 30 Nov 2023
Certificate BQ25750EVM EU Declaration of Conformity (DoC) 31 Oct 2023

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