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DATA SHEET
BQ79606A-Q1 SafeTI™ Precision Monitor With Integrated Hardware Protector for Automotive Battery Pack Applications
1 Features
- Qualified for automotive applications
- AEC-Q100 Qualified with the following results:
- Device temperature grade 2: –40°C to +105°C ambient operating temperature range
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4B
- Voltage monitor, temperature monitor and communication functions: SafeTI™-26262 ASIL-D compliant
- ± 1.1mV Cell voltage measurement accuracy with an offset
- Configurable digital low pass filter as low as 1.2Hz
- Supports simultaneous cell voltage measurements
- Full-accuracy stack measurements in less than 1 ms (for 96 cells)
- Optional ring architecture to ensure stack communication even with communication cable break
- Monitors 3 to 6 cell connections and up to 6 NTC/auxiliary channels
- Integrated 16-bit analog-to-digital converters (ADC)
- Integrated high-voltage AFE filter components
- Designed for robust hot-plug performance
- Stackable configuration up to 64 devices (1 base + 63 stack, 384-series cells)
- Isolated differential daisy chain communication
- Supports transformer or capacitor based isolation
- Configurable SINC3 digital filter
- Integrated hardware protector
- Secondary protection for cell overtemperature and undertemperature
- Secondary protection for cell overvoltage and undervoltage
- Hardware protector function: SafeTI™-26262 ASIL-B compliant
- Integrated cell-balancing MOSFET's up to 150 mA
- Designed to pass BCI testing
- UART Host interface
2 Applications
- Full electric, plug-in hybrid, and hybrid vehicles
- Automotive 12-V and 48-V Li-Ion battery systems
- Grid storage battery systems
- Uninterruptible power supplies (UPS)
- E-Bikes, E-Scooters