TLD1315ELXUMA1

Overview

The TLD1315ELXUMA1 is a high-side LED driver designed for automotive applications, featuring integrated diagnostics and protection. It supports up to three independent LED channels with constant current regulation. Key electrical parameters include a supply voltage range of 4.5V to 28V and a maximum output current per channel of 1.5A. The device operates within an ambient temperature range of -40°C to +150°C. It includes short-circuit-to-ground and open-load detection capabilities, ensuring robust fault management in demanding environments.

Feature Summary

• Integrated constant current regulation for precise LED brightness control across multiple channels
• Comprehensive diagnostic features including open-load and short-circuit detection for system reliability
• Robust protection mechanisms against over-temperature, reverse polarity, and load dump conditions

Applications

• Automotive exterior lighting systems such as daytime running lights and turn signals
• Interior vehicle illumination including dome lights and reading lamps
• Ambient lighting modules requiring multi-channel constant current drive

Procurement Notes

Verify the complete part number including suffix ELXUMA1 to ensure correct tape-and-reel packaging configuration. Confirm that the specified operating voltage and thermal requirements align with your specific PCB layout and heat dissipation strategy before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring independent control of multiple LEDs with built-in fault diagnostics. Ensure the application environment stays within the specified junction temperature limits and that the microcontroller interface matches the SPI communication protocol supported by the device.

Part Context

This device belongs to Infineon's TLD series of smart high-side switches tailored for automotive LED applications. It integrates power MOSFETs with control logic and diagnostic circuitry into a single compact package, simplifying design complexity compared to discrete solutions while enhancing system reliability through integrated safety features.

Replacement Considerations

Consult official Infineon documentation for direct pin-compatible alternatives or upgraded versions within the TLD family. Verify functional equivalence regarding current ratings and diagnostic capabilities before substituting any other manufacturer's components.