Product Descriptions

The Texas Instruments bq27510 system-side Li-Ion battery fuel gauge is a microcontroller peripheral that provides fuel gauging for single-cell Li-Ion battery packs. The device requires little system microcontroller firmware development. The bq27510 resides on the system’s main board and manages an embedded battery (non-removable) or a removable battery pack.

The bq27510 uses the patented Impedance Track™ algorithm for fuel gauging, and provides information such as remaining battery capacity (mAh), state-of-charge ( percent), run-time to empty (min.), battery voltage (mV), and temperature (°C).

Battery fuel gauging with the bq27510 requires only PACK+ (P+), PACK– (P–), and Thermistor (T) connections to a removable battery pack or  embedded battery.

Product Features

• Battery Fuel Gauge for 1-Series Li-Ion Applications

• Resides on System Main Board

– Works with Embedded or Removable Battery Packs

– Uses PACK+, PACK–, and T Battery Terminals

– Can be Powered Directly From Battery Pack (no LDO required)

• Microcontroller Peripheral Provides:

– Accurate Battery Fuel Gauging

– Battery Low Interrupt Warning

– Battery Insertion Indicator

– 96 Bytes of Non-Volatile Scratch Pad FLASH

• Battery Fuel Gauging Based on Patented Impedance Track™ Technology

– Models Battery Discharge Curve for Accurate Time-To-Empty Predictions

– Automatically Adjusts for Battery Aging, Battery Self-Discharge, and Temperature/Rate Inefficiencies

– Low-Value Sense Resistor (10 mΩ or less)

• I2C™ for Connection to System Microcontroller Port

• Small 12-pin 2,5 mm × 4 mm SON Package

Product Applications

• Smartphones

• PDAs

• Digital Still and Video Cameras

• Handheld Terminals

• MP3 or Multimedia Players

Product Specification

Product Photos

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