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BQ25620 - Buck Battery Charger

Datasheet Summary

Description

The BQ25620 and BQ25622 are highly-integrated 3.5A switch-mode battery charge management and system power path management devices for single cell Li-Ion and Li-polymer batteries.

Features

  • High-efficiency, 1.5MHz, synchronous switching mode buck charger for single cell battery.
  • >90% efficiency down to 25mA output current from 5V input.
  • Charge termination from 10mA to 620mA, 10mA steps.
  • Flexible JEITA profile for safe charging over temperature.
  • BATFET control to support shutdown, ship mode and full system reset.
  • 1.5μA quiescent current in battery only mode.
  • 0.15μA battery leakage current in ship mode.
  • 0.1μA ba.

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Datasheet preview – BQ25620

Datasheet Details

Part number BQ25620
Manufacturer Texas Instruments
File Size 3.53 MB
Description Buck Battery Charger
Datasheet download datasheet BQ25620 Datasheet
Additional preview pages of the BQ25620 datasheet.

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Full PDF Text Transcription

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BQ25620, BQ25622 SLUSEG2D – SEPTEMBER 2022 – REVISED FEBRUARY 2025 BQ25620/BQ25622 I2C Controlled 1-Cell, 3.5A, Maximum 18V Input, Buck Battery Charger with NVDC Power Path Management and OTG Output 1 Features • High-efficiency, 1.5MHz, synchronous switching mode buck charger for single cell battery – >90% efficiency down to 25mA output current from 5V input – Charge termination from 10mA to 620mA, 10mA steps – Flexible JEITA profile for safe charging over temperature • BATFET control to support shutdown, ship mode and full system reset – 1.5μA quiescent current in battery only mode – 0.15μA battery leakage current in ship mode – 0.1μA battery leakage current in shutdown • Supports USB On-The-Go (OTG) – Boost mode supporting 3.84V to 9.
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