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BQ25618EVM

I2C controlled 1-cell, 1.5-A buck battery charger with termination and 1.2-A boost evaluation module

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BQ25618EVM

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Overview

The BQ25618EVM is an evaulation module (EVM) used to test the BQ25618 device, a 1.5-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. 

Features
  • 94% charge efficiency at 1 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 20-mA ± 10-mA termination current
Battery charger ICs
BQ25618 — I2C controlled 1.5-A single cell buck battery charger with 20-mA termination and 1-A boost in WCSP BQ25618E — I2C controlled 1.5-A single cell buck battery charger with 20-mA termination
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HARDWARE AND SOFTWARE PACKAGE

Evaluate the highly integrated BQ25618 which has a 1.5-A switching charger with 1.0-A boost for TWS applications

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Evaluation board

BQ25618EVM — I2C controlled 1-cell, 1.5-A buck battery charger with termination and 1.2-A boost evaluation module

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Technical documentation

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Type Title Date
* User guide BQ25618 BMS024 Evaluation Module 05 Sep 2019
Data sheet BQ25616/616J Standalone 1-Cell 3.0-A Buck Battery Charger with Power Path and 1.2-A Boost Operation datasheet (Rev. A) PDF | HTML 03 Feb 2022
Data sheet BQ25618/619 I2C Controlled 1-Cell 1.5-A Battery Charger with 20-mA Termination and 1-A Boost Operation datasheet (Rev. D) PDF | HTML 23 Dec 2021
Certificate BQ25618EVM EU Declaration of Conformity (DoC) 12 Mar 2019

Related design resources

Hardware development

INTERFACE ADAPTER
EV2400 — USB-Based PC Interface Board for Battery Fuel (Gas) Gauge Evaluation Module

Software development

APPLICATION SOFTWARE & FRAMEWORK
BQSTUDIO — Battery Management Studio (bqStudio) Software

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