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SLUSB85E
- MAY 2013
- REVISED JANUARY 2016 bq27421-G1 System-Side Impedance Track™ Fuel Gauge With Integrated Sense Resistor
1 Features
- 1 Single-Cell Li-Ion Battery Fuel Gauge
- Resides on System Board
- Supports Embedded or Removable Batteries
- Powered Directly from Battery with Integrated LDO
- Low-Value Integrated Sense Resistor (7 mΩ, Typical)
- Easy-to-Configure Fuel Gauging Based on Patented Impedance Track™ Technology
- Reports Remaining Capacity and State-ofCharge (SOC) with Smoothing Filter
- Automatically Adjusts for Battery Aging, SelfDischarge, Temperature, and Rate Changes
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