TLE9012DQU Li-Ion battery monitoring and balancing system IC

General
• Voltage monitoring of up to 12 battery cells connected in series
• Supports communication of up to 38 devices
• Hot plugging support
Voltage measurement
• 16-bit high resolution ADC measurement for each cell
• High accuracy measurement for SoC (State-of-Charge) and SoH (State-of-Health) calculation
• Temperature compensated measurements
• Built in noise filtering
• Selectable measurement bit length
Temperature measurement
• 5 temperature measurement channels for connection to external NTC
• Internal temperature measurement and monitoring
Balancing
• Integrated balancing switch allowing up to 150 mA balancing current
Inter-Block Communication Interface (IBCB)
• Differential robust serial interface for communication between battery blocks
• High speed communication up to 2 Mbps
• Power balanced communication scheme
Green product (RoHS-compliant)
AEC-Q100 qualified
ISO-26262 ready, supporting ASIL D BMS safety applications
Safety features
• Two independent internal voltage references
• Block voltage measurement based on different ADC
• Configurable analog OV/UV comparators
• End-to-end CRC secured communication
• CRC secured configuration registers
• Internal open load detection
• Emergency mode for communication

• Best in class voltage measurement accuracy: Reliable and precise battery cell monitoring for highly accurate SoC and SoH
•  high performance: communication interface supporting scalable battery topologies with and without electrical isolation;
• Peak Robustness: Infineon technology guarantees best performances under nois
• Lowest system cost: Small package (TQFP-48) & high feature integration for a lean external BOM