Datasheet Summary
BQ2970, BQ2971, BQ2972, BQ2973
SLUSBU9H
- MARCH 2014
- REVISED JUNE 2021
BQ297xx Cost-Effective Voltage and Current Protection Integrated Circuit for SingleCell Li-Ion and Li-Polymer Batteries
1 Features
- Input voltage range pack+: VSS
- 0.3 V to 12 V
- FET drive:
- CHG and DSG FET drive output
- Voltage sensing across external FETs for overcurrent protection (OCP) is within ±5 mV (typical)
- Fault detection
- Overcharge detection (OVP)
- Over-discharge detection (UVP)
- Charge overcurrent detection (OCC)
- Discharge overcurrent detection (OCD)
- Load short-circuit detection (SCP)
- Zero voltage charging for depleted battery
- Factory programmed fault protection thresholds
- Fault...