Infineon Technologies TLE9012DQU Li-ion Monitoring & Balancing ICs

Infineon Technologies TLE9012DQU Li-ion Battery Monitoring and Balancing ICs offer multi-channel battery monitoring and balancing for use in Li-Ion battery packs in the automotive industry. The TLE9012DQU features cell voltage measurement, temperature measurement, cell balancing, and isolated communication to the main battery controller. Furthermore, the TLE9012DQU delivers the necessary diagnostic tools to allow proper function, ensuring the safety of the persons around the controlled battery.

The Infineon TLE9012DQU Li-ion Battery Monitoring and Balancing ICs are ideally suited for electric vehicles of any kind (MHEV, HEV, PHEV, and BEV), industrial (Energy storage systems), and consumer (i.e., e-bike BMS, home energy storage, etc.).

Features

Voltage monitoring of up to 12 battery cells connected in series
Hot plugging support
Dedicated 16-bit delta-sigma ADC for each cell with the selectable measurement mode
High-accuracy measurement for SoC and SoH calculation
Integrated stress sensor with digital compensation algorithm and temperature-compensated measurements
Secondary ADC with same averaging filter characteristics as advanced End-to-End safety mechanism
Five temperature measurement channels for external NTCs
Internal temperature sensors
Integrated balancing switch allows up to 200mA balancing current

Differential robust serial 2Mbit/s communication interface
Additional four GPIO pins to e.g., connect an external EEPROM
Internal round-robin cycle routine triggers the majority of diagnostics mechanisms
- Automatic balancing over- and undercurrent detection scheme
- Automatic open load and open-wire detection scheme
- Automatic NTC measurement unit monitoring scheme
End-to-end CRC secured iso UART/UART communication
Emergency mode for communication
ISO 26262 Safety Element out of Context for safety requirements up to ASIL D
Green Product (RoHS compliant)