I2C controlled 1-cell, 3-A buck battery charger evaluation module with powerpath and 1.2-A boost
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Key Document


The BQ25619 evaluation module (EVM) is used to evaluate the BQ25619 device. This is a 3-A single-cell battery charger optimized for power bank applications in low power portable designs. The OTG reverse synchronous boost operation and forward buck mode operation allows for control over power delivery to peripherally powered devices.

  • 92% charge efficiency at 2 A from 5-V input and 92% boost efficiency at 1-A output
  • Output short circuit protection and soft-start up to 500-µF capacitive load in OTG mode
  • 10-µA low battery leakage current with system voltage standby 3-µA low battery leakage current in ship mode
  • BATFET control to support ship mode, wake up and full system reset
  • High accuracy at 20 mA, ±10-mA termination current

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I2C controlled 1-cell, 3-A buck battery charger evaluation module with powerpath and 1.2-A boost operation


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Technical documentation
Datasheet (2)
Title Type Size (KB) Date
PDF 2537 13 Jan 2020
PDF 2686 11 Sep 2019
User guides (1)
Title Type Size (KB) Date
PDF 1057 18 Oct 2019
More literature (1)
Title Type Size (KB) Date
PDF 37 24 Jun 2019

Software development (1)

Name Part Number Software Type
Battery Management Studio (bqStudio) Software  BQSTUDIO  Application software & frameworks 

Hardware development (1)

Name Part Number Tool Type
USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module  EV2400  Interface adapters 

TI Devices (1)

Part Number Name Product Family
BQ25619  I2C controlled 1.5-A single cell buck battery charger with 20-mA termination and 1-A boost  Battery management ICs 

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