TLE9009DQUXUMA1

Battery Management Overview

The TLE9009DQUXUMA1 is a Li-ion battery monitoring and balancing integrated circuit manufactured by Infineon Technologies. It operates within a supply voltage range of 4.75 V to 60 V and supports up to 90 V cell voltage levels. The device features nine voltage measurement channels and five temperature measurement channels, utilizing a precise 16-bit Delta-Sigma ADC with parallel architecture for ultra-fast synchronized cell readout. It provides a maximum balancing current of 200 mA and achieves an ASIL D safety rating compliant with ISO 26262. The component is housed in a PG-TQFP-48 package and includes embedded fault detection capabilities.

Battery Management Feature Summary

• Supports up to ASIL D functional safety level compliant with ISO 26262 standards
• Features high noise immunity and embedded fault detection mechanisms
• Provides Iso-UART interface for robust communication alongside standard UART

Battery Management Applications

• Electric vehicle drivetrain systems
• Automotive battery management systems (BMS)
• Battery energy storage systems (BESS)

Battery Management Procurement Notes

Verify the specific ordering suffix XUMA1 to confirm reel packaging configuration. Ensure compatibility with the required thermal management solutions for the TQFP-48 package. Confirm that the design meets the necessary isolation requirements if utilizing the Iso-UART interface. Check for any specific moisture sensitivity handling procedures during assembly.

Battery Management Selection Notes

Select this component when high accuracy and functional safety are critical for lithium-ion battery applications. The parallel ADC architecture enables fast synchronization across multiple cells, which is essential for large battery packs. Consider the 200 mA balancing capability and the compact footprint for space-constrained designs requiring ASIL D compliance.

Battery Management Part Context

This part belongs to the TLE9009 series of battery management ICs from Infineon. It is designed specifically for safety-relevant applications where precise monitoring and balancing of Li-ion cells are required. The series shares common architectural features such as the 16-bit Delta-Sigma ADC and ISO 26262 compliance.

Battery Management Replacement Considerations

TLE9009DQU is the non-tape-and-reel variant of the same component.