TLE4242GATMA3

Overview

The TLE4242GATMA3 is a single-output linear LED driver IC from Infineon’s LITIX™ family, designed for automotive applications. It provides a constant output current of up to 500 mA with an input voltage range of 4.5 V to 42 V. The device supports PWM dimming and operates within a junction temperature range of -40°C to +150°C. Packaged in a PG-TO263-7-1 surface-mount format, it integrates internal switching capabilities and meets AEC-Q100 automotive grade standards.

Feature Summary

• Integrated adjustable constant current source capable of driving loads up to 500 mA
• Supports Pulse Width Modulation (PWM) dimming functionality for precise light control
• Automotive-grade reliability compliant with AEC-Q100 qualification standards

Applications

• Automotive LED rear lighting systems
• Vehicle interior illumination circuits
• Exterior automotive lighting modules
• General purpose automotive LED drivers

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm package integrity upon receipt as moisture sensitivity requires proper handling. Review latest datasheets for any final design-in warnings associated with discontinued automotive components before finalizing procurement plans.

Selection Notes

Select this component for designs requiring robust linear regulation in high-voltage automotive environments. Ensure thermal management strategies accommodate the TO-263 package dissipation characteristics. Verify compatibility with existing PCB footprints and validate that the 500 mA output current aligns with specific LED string requirements without exceeding thermal limits.

Part Context

This part belongs to the TLE4242 series, a line of integrated LED drivers developed by Infineon Technologies specifically for the automotive sector. The series focuses on providing reliable, constant-current solutions for various lighting applications while maintaining compliance with stringent automotive quality and safety standards.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. As the component is scheduled for obsolescence, engineers should consult official replacement guides or contact the manufacturer directly for validated alternative components.