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bq25606 - Standalone 3.0-A Single Cell Battery Charger

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General Description

The BQ25606 is a highly-integrated standalone 3.0A switch-mode battery charge management and system power path management device for single cell Li-ion and Li-polymer batteries.

The solution is highly integrated with input reverse-blocking FET (RBFET, Q1), high-side switching FET (HSFET, Q2), low-side switching FET (LSFET, Q3), and battery FET (BATFET, Q4) between system and battery.

The low impedance power path optimizes switch-mode operation efficiency, reduces batte

Overview

BQ25606 SLUSCK6C – MAY 2017 – REVISED SEPTEMBER 2021 BQ25606 Standalone 1-Cell 3.

Key Features

  • High-efficiency, 1.5-MHz, synchronous switchmode buck charger.
  • 92% charge efficiency at 2-A from 5-V input.
  • Optimized for USB voltage input (5 V).
  • Supports USB On-The-Go (OTG).
  • Boost converter with up to 1.2-A output.
  • 92% boost efficiency at 1-A output.
  • Accurate constant current (CC) limit.
  • Soft-start up to 500-µF capacitive load.
  • Output short circuit protection.
  • Single input to support USB input and high.

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