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TLE9012DQU

Infineon

Li-ion battery monitoring and balancing IC

TLE9012DQU Li-ion battery monitoring and balancing IC Features • Voltage monitoring of up to 12 battery cells connected...


Infineon

TLE9012DQU

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Description
TLE9012DQU 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 delta-sigma ADC for each cell with 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 200 mA balancing current Differential robust serial 2 Mbit/s communication interface Additional four GPIO pins to e.g. connect an external EEPROM Internal round robin cycle routine triggers 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) 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 Li-ion batteries. Product valida...




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