TLD5191ESXUMA1

Overview

The TLD5191ESXUMA1 is a synchronous MOSFET H-bridge DC-DC controller designed for high-power LED applications. It operates within an input voltage range of 4.5 V to 55 V and supports switching frequencies between 200 kHz and 700 kHz. The device integrates a single inductor buck-boost topology with PWM dimming capabilities. It features open LED protection and is housed in a VQFN-48 package, suitable for automotive environments.

Feature Summary

• Integrates a synchronous MOSFET H-bridge topology for efficient high-power LED driving
• Supports flexible buck-boost conversion using a single inductor configuration
• Enables precise brightness control through integrated PWM dimming functionality

Applications

• Automotive exterior lighting systems
• High-power LED headlamp modules
• Adaptive driving beam (ADB) applications

Procurement Notes

Verify the complete part number including suffixes against official Infineon documentation to ensure correct packaging and tape/reel specifications. Confirm that the specific variant matches the required thermal and electrical characteristics for the target application design.

Selection Notes

Select this component when designing circuits requiring a single-inductor buck-boost solution for high-power LEDs. Ensure the operating frequency range aligns with external component selection and that the H-bridge architecture fits the board space constraints compared to multi-channel drivers.

Part Context

This component belongs to the LITIX Power family from Infineon Technologies, specialized for robust automotive LED control. It complements other system basis chips by providing dedicated power stage management for complex lighting topologies requiring bidirectional current flow.

Replacement Considerations

Direct substitutes include the TLD5190QVXUMA1 for similar LED driver functions. Verify pin compatibility and thermal performance before swapping components in existing designs.