BQ25770G evaluation module


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The BQ2577xGEVM is a complete high-power high-efficiency battery charger using SMBus or I2C-controlled NVDC dual-phase buck boost charge controller BQ2577xG. The EVM drives GAN FETs for high efficiency. The input voltage range is from 3.5V to 40V, with a programmable output of 2 to 5 cells and a charge current range of 0A to 16.3A. This BQ2577xGEVM allows the user to evaluate the function and performance of the BQ2577xG with step-by-step instructions. The BQ2577xGEVM also serves as a reference design with complete schematic, layout and bill of materials (BOM).

  • Supports 3.5V to 40V input source
  • High efficiency with GAN FETs
  • Narrow VDC (NVDC) power path management
  • 600kHz or 800kHz switching frequency for low profile inductor
  • Power and current monitor for CPU throttling
  • Safety features: thermal protection, overvoltage and overcurrent protection

  • EV2400 interface device is not included and must be ordered separately.

Battery charger ICs
BQ25770G I²C, 2-cell to 5-cell, NVDC dual-phase buck-boost battery charge controller for GAN HEMT
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Evaluation board

BQ25770GEVM — BQ25770G evaluation module

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Technical documentation

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Type Title Date
EVM User's guide BQ2577xGEVM Evaluation Module User's Guide PDF | HTML 01 May 2024
Certificate BQ25770GEVM EU Declaration of Conformity (DoC) 10 Apr 2024

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