The BQ27411DRZT-G1A is a pack-side impedance Track? Fuel Gauge/Battery Gas Gauge for single-series cell Li-ion battery packs. The device requires minimal configuration and uses one time programmable (OTP) non-volatile memory (NVM) to avoid an initialization download by the system processor. The fuel gauge uses the patented Impedance Track? algorithm for fuel gauging and provides information such as remaining battery capacity (mAh), state-of-charge (%) and battery voltage (mV).
- Single-series cell Li-ion battery fuel gauge Resides in battery pack
- Low-value external sense resistor
- Internal temperature sensor or host-reported temperature
- Battery fuel gauging based on patented impedance Track? technology
- Reports remaining capacity and state of charge (SOC) with smoothing filter
- Automatically adjusts for battery aging, self-discharge, temperature and rate changes
- Battery state of health (aging) estimation
- Green product and no Sb/Br
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