Datasheet Summary
SLUSB20C
- NOVEMBER 2012
- REVISED NOVEMBER 2021
BQ27520-G4 System-Side Impedance Track™ Fuel Gauge With Integrated LDO
1 Features
3 Description
- Single-series cell Li-ion battery fuel gauge resides on system board
- Integrated 2.5 VDC LDO
- External low-value 10-mΩ sense resistor
- Patented Impedance Track™ technology
- Adjusts for battery aging, self-discharge, temperature, and rate changes
- Reports remaining capacity, state-of-charge (SOC), and time-to-empty
- Optional smoothing filter
- Battery state-of-health (aging) estimation
- Supports embedded or removable packs with up to 14500-mAh capacity
- Acmodates pack swapping with two separate battery profiles
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