TPS922054DMTR

Overview

The TPS922054DMTR is a non-synchronous buck LED driver IC from Texas Instruments, housed in a VSON-14 package. It supports an input voltage range of 4.5 V to 65 V and delivers up to 4 A output current. The device features a programmable switching frequency between 100 kHz and 2.2 MHz with spread spectrum capability. It provides an output voltage range of 0 V to 63 V and operates within a temperature range of -55 °C to +125 °C.

Feature Summary

• Integrates a high-side switching FET for compact design
• Supports analog, PWM, hybrid, and flexible dimming methods
• Includes cycle-by-cycle over-current protection and thermal foldback
• Features fault output and open/short LED detection

Applications

• General LED lighting applications
• Industrial lighting systems
• Automotive exterior lighting
• High-brightness LED modules

Procurement Notes

Verify the specific ordering suffix 'DMTR' against the manufacturer's official datasheet to confirm tape-and-reel packaging and quantity specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a single-channel buck topology is required for high-voltage LED strings. Consider its wide input voltage range and integrated switch for space-constrained designs. Evaluate the need for spread spectrum EMI reduction and multiple dimming interfaces. Confirm that the 4 A current limit and thermal performance suit the specific load requirements.

Part Context

This part belongs to the TPS92205x series of LED drivers designed for versatile lighting solutions. It complements other variants like the TPS922055 by offering similar core functionality with specific packaging or pinout configurations. The series targets applications requiring robust protection features and efficient power management in demanding environments.

Replacement Considerations

Consult the official TI selection guide for direct substitutes within the TPS92205x family. Verify pin compatibility and electrical parameters before replacing with similar parts.