TLE4242EJXUMA1

Overview

The TLE4242EJXUMA1 is an automotive-grade LED driver IC from Infineon Technologies, designed for constant current regulation. It supports Boost and Buck topologies with a single output channel capable of delivering up to 500 mA. The device operates within an input voltage range of 4.5 V to 42 V and can drive loads up to 40 V. It features integrated short circuit and thermal protection mechanisms. The component is qualified under AEC-Q100 standards and functions reliably across an extended temperature range from -40°C to +150°C. It is housed in a compact SOIC-8 package.

Feature Summary

• Supports both Boost and Buck converter topologies for flexible LED driving configurations
• Integrated short circuit and thermal protection for enhanced system reliability
• Automotive qualification compliant with AEC-Q100 standards

Applications

• Automotive exterior lighting systems
• Automotive interior lighting applications
• General purpose LED illumination

Procurement Notes

Verify the specific ordering suffix and package variant against official Infineon documentation before procurement. Confirm that the selected part number matches the required tape-and-reel or cut-tape packaging format. Ensure compatibility with existing design specifications regarding pinout and thermal requirements. Cross-reference the latest datasheet revision to confirm all electrical parameters remain unchanged. Validate supply chain authenticity through authorized distribution channels.

Selection Notes

Select this component when designing circuits requiring high-current LED control with flexible topology options. The wide input voltage range accommodates various automotive power bus conditions. Consider the SOIC-8 package constraints for PCB layout and thermal dissipation. Evaluate the need for external components based on the chosen Boost or Buck configuration. Ensure the application environment stays within the specified operating temperature limits.

Part Context

This device belongs to the LITIX™ family of LED drivers from Infineon Technologies. It is engineered specifically for automotive applications requiring robust performance and safety features. The series integrates advanced protection mechanisms to ensure long-term reliability in harsh environments. It serves as a key component in modern vehicle lighting architectures.

Replacement Considerations

TLE4242EJ is listed as an alias for this part number. Verify functional equivalence and package compatibility before substitution. Consult official replacement guides for any updated variants within the same product family.