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 (%), 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.
Feature
BatteryFuel 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 m or less)
I2C for Connection to System Microcontroller Port
Small 12-pin 2,5 mm × 4 mm SON Package
APPLICATIONS
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FPGA / CPLD
Memory内存
MOS / 晶体管
MCU / 单片机 
DSP / 处理器 
OCEP / 光耦 
二三级管 
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