TLE9012DQU Datasheet | Infineon

Improved Li-ion battery monitoring and balancing IC Features - Voltage monitoring of up to 12 battery cells connected in series - Hot plugging support - Dedicated 16-bit high precision delta-sigma ADC for each cell with selectable measurement mode - High-accuracy measurement with typical ±0.2 m V initial accuracy at ambient temperature with a typical lifetime adder of 1 LSB after 10 years of usage - Integrated stress sensor with digital pensation algorithm and temperature-pensated measurements - Secondary ADC with identical averaging filter characteristics as advanced end-to-end safety mechanism - Five temperature measurement channels for external NTC elements - Two internal temperature sensors - Integrated balancing switch allows up to 200 m A balancing current - Differential robust serial 2 Mbit/s munication interface with up to 38 devices - Additional four GPIO pins to e.g. connect an external EEPROM and PWM driver - Internal round robin cycle routine triggers majority of diagnostics mechanisms - Automatic balancing overcurrent and undercurrent detection - Automatic open load and open wire detection - Automatic NTC measurement unit monitoring - End-to-end CRC secured iso UART/UART munication - Wake from bus capability (EMM) - ISO 26262 Safety Element out of Context for safety requirements up to ASIL D - Green Product (Ro HS pliant) Potential applications Multi-cell battery monitoring and balancing system IC designed for Li-ion battery packs used in hybrid electric vehicles (HEV), plug-in hybrid electric vehicles (PHEV), battery electric vehicles (BEV) as well as in 12 V/48 V Liion batteries and energy storage systems (ESS). Product validation Qualified for automotive applications. Product validation according to AEC-Q100. Please read the sections "Important notice" and "Warnings" at the end of this document .infineon./battery-management-systems Rev. 2.0 2023-11-02 Improved Li-ion battery monitoring and...