TLE9009DQU | Li-Ion battery monitoring and balancing IC

概要

The TLE9009DQU is a multi-channel battery monitoring and balancing IC crafted for Li-Ion battery packs in automotive (MHEV, HEV, PHEV, BEV), industrial (ESS), and consumer applications (e-bike BMS, home energy storage). It handles cell voltage and temperature measurement, cell balancing, and isolated communication to the main battery controller. Moreover, it includes essential diagnostic tools for safety assurance.

特長

Balances & monitors up to 9 cells
Robust 90V/130nm automotive technology
16-bit delta-sigma ADC for each cell
Built-in digital filter (70Hz cut-off)
Secondary ADC for E2E safety mechanism
Digital stress compensation
Infineon CDD compatibility
PSoC HVPA Pack Monitor compatibility
5 NTC channels + 4 GPIOs
UART & capacitive coupled interface
Daisy chain communication supported
Ring mode communication supported
ASIL D BMS safety applications supported

利点

Infineon tech. and device architecture
- Best in class Application Robustness
- Best performance under noise
Highly accurate voltage measurement
- Reliable and precise cell monitoring
- enables accurate SoC / SoH measurement
Lowest system cost
- Small package (TQFP-48) for lean PCB
- Min. amount external components needed
- High feature integration for lean BOM