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BQ25176K - 800mA JEITA-Compliant Linear Battery Charger

Datasheet Summary

Description

The BQ25176K is an integrated 800mA linear charger for 1-cell Li-Ion, Li-Polymer, and LiFePO4 batteries targeted at space-limited portable applications.

The device has a single power output that charges the battery.

Features

  • Input voltage up to 30V tolerant.
  • Input Voltage Based Dynamic Power Management (VINDPM).
  • Automatic Sleep Mode for low power consumption.
  • 350nA battery leakage current.
  • 80µA input leakage current when charge disabled.
  • Supports 1-cell Li-Ion, Li-Poly, and LiFePO4.
  • External resistor programmable operation.
  • VSET to set battery regulation voltage:.
  • Li-Ion: 4.05V, 4.35V, 4.4V, 4.53V, 4.58V.
  • LiFePO4: 3.5V, 3.6V,.

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Datasheet Details

Part number BQ25176K
Manufacturer Texas Instruments
File Size 1.91 MB
Description 800mA JEITA-Compliant Linear Battery Charger
Datasheet download datasheet BQ25176K Datasheet
Additional preview pages of the BQ25176K datasheet.

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Full PDF Text Transcription

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BQ25176K SLUSG28 – AUGUST 2025 BQ25176K: 800mA JEITA-Compliant Linear Battery Charger For 1-Cell Li-Ion and LiFePO4 With VINDPM and 4.5V Battery 1 Features • Input voltage up to 30V tolerant • Input Voltage Based Dynamic Power Management (VINDPM) • Automatic Sleep Mode for low power consumption – 350nA battery leakage current – 80µA input leakage current when charge disabled • Supports 1-cell Li-Ion, Li-Poly, and LiFePO4 • External resistor programmable operation – VSET to set battery regulation voltage: • Li-Ion: 4.05V, 4.35V, 4.4V, 4.53V, 4.58V • LiFePO4: 3.5V, 3.6V, 3.7V – ISET to set charge current from 10mA to 800mA • High accuracy – ±0.
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