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Home > Embedded ICs > Embedded - Microcontroller Unit (MCU) > BQ27441DRZT-G1A
Texas Instruments

BQ27441DRZT-G1A

BQ27441DRZT-G1A

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BQ27441DRZT-G1A Overview

The Texas Instruments bq27441-G1 fuel gauge is a microcontroller peripheral that provides system-side fuel gauging for single-cell Li-Ion batteries. The device requires minimal user configuration and system microcontroller firmware development.

The bq27441-G1 battery fuel gauge uses the patented Impedance Track? algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge (%), and battery voltage (mV).

Battery fuel gauging with the bq27441-G1 fuel gauge requires connections only to PACK+ (P+) and PACK– (P–) for a removable battery pack or embedded battery circuit. The tiny, 12-pin, 2.50 mm × 4.00 mm, small outline no-lead (SON) package is ideal for space-constrained applications.

Features

  • Single Series Cell Li-Ion Battery Fuel Gauge
    • Resides on System Board
    • Supports Embedded or Removable Batteries
    • Powered Directly from Battery with Integrated LDO
    • Supports a Low-Value External Sense Resistor (10 mΩ)
  • Battery Fuel Gauging Based on Patented Impedance Track? Technology
    • Reports Remaining Capacity and State-of-Charge (SOC) with Smoothing Filter
    • Automatically Adjusts for Battery Aging, = Self-discharge, Temperature, and Rate Changes
    • Battery State-of-Health (Aging) Estimation
  • Microcontroller Peripheral Supports:
    • 400-kHz I2C Serial Interface
    • Configurable SOC Interrupt or BatteryLow Digital Output Warning
    • Internal Temperature Sensor or Host-Reported Temperature

Specifications

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