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BQ27426 - System-Side Impedance Track Fuel Gauge

Datasheet Summary

Description

The Texas Instruments BQ27426 battery fuel gauge is a single-cell gauge that requires minimal userconfiguration and system microcontroller firmware development, leading to quick system bring-up.

Features

  • Single-cell Li-ion battery fuel gauge.
  • Resides on system board.
  • Supports embedded or removable batteries.
  • Powers directly from the battery with integrated LDO.
  • Supports a low-value external sense resistor (10 mΩ).
  • Ultra low 9 μA operating current when the load is below 10 mA, set by Sleep Current threshold.
  • Battery fuel gauging based on patented Impedance Track™ technology.
  • Provides three selectable preprogrammed profiles.

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Datasheet preview – BQ27426

Datasheet Details

Part number BQ27426
Manufacturer Texas Instruments
File Size 1.06 MB
Description System-Side Impedance Track Fuel Gauge
Datasheet download datasheet BQ27426 Datasheet
Additional preview pages of the BQ27426 datasheet.

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Full PDF Text Transcription

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BQ27426 SLUSC91G – OCTOBER 2015 – REVISED APRIL 2023 BQ27426 System-Side Impedance Track™ Fuel Gauge 1 Features • Single-cell Li-ion battery fuel gauge – Resides on system board – Supports embedded or removable batteries – Powers directly from the battery with integrated LDO – Supports a low-value external sense resistor (10 mΩ) • Ultra low 9 μA operating current when the load is below 10 mA, set by Sleep Current threshold. • Battery fuel gauging based on patented Impedance Track™ technology – Provides three selectable preprogrammed profiles for 4.2-V, 4.35-V, and 4.
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