The BQ27532YZFT-G1 is a system-side Li-ion Battery Management Unit provides Impedance Track? fuel gauging and charging control for single-cell Li-ion battery packs. The fuel gauge requires little system microcontroller firmware development. Together with BQ2425X single-cell switch-mode charger, the fuel gauge manages an embedded battery (non-removable) or a removable battery pack. The fuel gauge uses the patented Impedance Track algorithm for fuel gauging and provides information, such as remaining battery capacity (mAh), state-of-charge (%), runtime-to-empty (minimum), battery voltage (mV), temperature (°C) and SoH (%). Battery fuel gauging with the device requires only PACK+ (P+), PACK- (P-) and thermistor (T) connections to a removable battery pack or embedded battery circuit.
- Resides on system main board
- Charger control based on SoH
- Temperature level charging (TLC)
- Configurable charge voltage and current based on temperature
- Improved recharged thresholds
- Tighter accuracy controls for charger termination
- Higher safety and security
- Green product and no Sb/Br
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