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bq27220 - Single-Cell CEDV Fuel Gauge

General Description

The Texas Instruments bq27220 battery fuel gauge is a single-cell gauge that requires minimal userconfiguration and system microcontroller firmware development, leading to quick system bring-up.

Key Features

  • 1 Single-Cell Li-Ion Battery Fuel Gauge.
  • Resides in Pack or on System Board.
  • Supports Embedded or Removable Batteries.
  • Powers Directly from Battery with Integrated LDO.
  • Supports a Low-Value (10-mΩ) External Sense Resistor.
  • Ultra-Low Power Consumption in NORMAL (50 µA) and SLEEP (9 µA) Modes.
  • Battery Fuel Gauging Based on Compensated End-of-Discharge Voltage (CEDV) Technology.
  • Reports Remaining Capacity and State-ofCharge (SO.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq27220 SLUSCB7A – MARCH 2016 – REVISED APRIL 2016 bq27220 Single-Cell CEDV Fuel Gauge 1 Features •1 Single-Cell Li-Ion Battery Fuel Gauge – Resides in Pack or on System Board – Supports Embedded or Removable Batteries – Powers Directly from Battery with Integrated LDO – Supports a Low-Value (10-mΩ) External Sense Resistor • Ultra-Low Power Consumption in NORMAL (50 µA) and SLEEP (9 µA) Modes • Battery Fuel Gauging Based on Compensated End-of-Discharge Voltage (CEDV) Technology – Reports Remaining Capacity and State-ofCharge (SOC) with Smoothing Filter – Adjusts Automatically for Battery Aging, SelfDischarge, Temperature, and Rate Changes – Provides Battery State-of-Health (Aging) Estimation • Microc