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.
Summary of Features
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
Benefits
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
Potential Applications
Battery Electric Vehicle (BEV)
Mild Hybrid Electric Vehicle (MHEV)
Hybrid Electric Vehicle (HEV)
Plug-in Hybrid Electric Vehicle (PHEV)
12V Li-Ion battery systems
Energy Storage System (ESS)
Home Energy Storage system
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.
Summary of Features
- 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
Benefits
- 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
Potential Applications
- Battery Electric Vehicle (BEV)
- Mild Hybrid Electric Vehicle (MHEV)
- Hybrid Electric Vehicle (HEV)
- Plug-in Hybrid Electric Vehicle (PHEV)
- 12V Li-Ion battery systems
- Energy Storage System (ESS)
- Home Energy Storage system
