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.