Description
The BQ77904 and BQ77905 devices are low-power battery pack protectors that implement a suite of voltage, current, and temperature protections without microcontroller (MCU) control.
Features
- NORMAL mode: 6 µA (BQ77904 and BQ77905).
- Full suite of voltage, current, and temperature
protections.
- Scalable cell count from 3 series to 20 series or
more.
- Voltage protection (accuracy ±10 mV).
- Overvoltage: 3 V to 4.575 V.
- Undervoltage: 1.2 V to 3 V.
- Open cell and open-wire detection (OW).
- Current Protection.
- Overcurrent discharge 1:.
- 10 mV to.
- 85 mV.
- Overcurrent discharge 2:.
- 20.