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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