BQ79616
Description
The BQ79616 device provides high-accuracy cell voltage measurements in less than 200 μs for 16-series battery modules in high-voltage battery management systems in HEV/EV. The monitor offers different channel options in the same package type, providing pin-to-pin compatibility and supporting high reuse of the established software and hardware across any platform.
Key Features
- ±1.5-mV ADC accuracy
- Built-in redundancy path for voltage and temperature diagnostics
- Highly accurate cell voltage measurements within 128 µs for all cell channels
- Integrated post-ADC configurable digital low-pass filters
- Bus bar connection and measurement support
- Built-in host-controlled hardware reset to emulate POR-like device reset
- Supports internal cell balancing - Balancing current at 240 mA - Built-in balancing thermal management with automatic pause and resume control
- Isolated differential daisy chain communication with optional ring architecture
- Embedded fault signal and heartbeat through communication line
- UART/SPI host interface/communication bridge device BQ79600