BQ79614-Q1
Description
BQ79612-Q1, BQ79614-Q1, BQ79616-Q1 and BQ79616H-Q1 provide high-accuracy cell voltage measurements in less than 200 μs for 12S, 14S and 16S battery modules in high-voltage battery management systems in HEV/EV. The family of monitors 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
- Qualified for automotive applications
- AEC-Q100 Qualified with the following results: - Device temperature grade 1: -40°C to +125°C ambient operating temperature range - Device HBM ESD classification level 2 - Device CDM ESD classification level C4B
- Functional Safety-Compliant - Developed for functional safety applications - Documentation to aid ISO 26262 system design - Systematic capability up to ASIL D - Hardware capability up to ASIL D
- +/- 1.5mV ADC accuracy
- Pin-package and software compatible device family: - Stackable monitor 16S (BQ79616-Q1, BQ79616H-Q1, BQ79656-Q1), 14S (BQ79614Q1, BQ79654-Q1), and 12S (BQ79612-Q1, BQ79652-Q1) - Standalone monitor 48 V system (BQ75614Q1)
- 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
- Supports bus bar connection and measurement
- Built-in host-controlled hardware reset to emulate POR-like device reset
