BQ769x0 3-Series to 15-Series Cell Battery Monitor Family for Li-Ion and Phosphate Applications

1 Features

AFE monitoring features
- Pure digital interface
- Internal ADC measures cell voltage, die temperature, and external thermistor
- A separate, internal ADC measures pack current (coulomb counter)
- Directly supports up to three thermistors (103AT)
Hardware protection features
- Overcurrent in Discharge (OCD)
- Short Circuit in Discharge (SCD)
- Overvoltage (OV)
- Undervoltage (UV)
- Secondary protector fault detection
Additional features
- Integrated cell balancing FETs
- Charge, discharge low-side NCH FET drivers
- Alert interrupt to host microcontroller
- 2.5-V or 3.3-V output voltage regulator
- No EEPROM programming necessary
- High supply voltage absolute maximum (up to 108 V)
- Simple I²C compatible interface (CRC option)
- Random cell connection tolerant