Infineon - Model TLE9012AQU - Multi-Channel Battery Monitoring And Balancing System

General

• Monitors up to 12 series connected cells
• Supports communication of up to 20 devices
• Supports hot plugging

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

Communication Interface (iso UART)

• Differential robust serial interface for communication between battery blocks
• High speed communication up to 2 Mbps
• Power balanced communication scheme

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
• Green product (RoHS-compliant)
• AEC-Q100 qualified
• ISO-26262 ready, supporting ASIL-C BMS safety applications

• Robust communication without need of transformers or common mode chokes
• State of the art voltage measurement accuracy even after soldering thanks to Stress sensor technology
• Integrated diagnosis easing Functional safety design
• Integrated UART communication for systems with a microcontroller on local ground

• Mild Hybrid Electric Vehicle (MHEV)
• Hybrid Electric Vehicle (HEV)
• Plug-in Hybrid Electric Vehicle (PHEV)
• Battery Electric Vehicle (BEV)
• 12V Li-Ion battery systems
• Energy Storage System (ESS)
• Home Energy Storage system
• eBike battery management system