TPS922055DMTR

Overview

The TPS922055DMTR 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 -40°C to +125°C. Integrated features include cycle-by-cycle over-current protection, thermal foldback, and fault output.

Feature Summary

• Integrates a high-side N-channel power switch for compact design
• Supports analog, PWM, hybrid, and flexible dimming methods
• Includes open and short LED detection for system safety

Applications

• General LED lighting applications
• Industrial lighting systems
• Automotive exterior lighting modules

Procurement Notes

Verify the specific ordering suffix DMTR against the manufacturer's official documentation to ensure correct packaging configuration. Confirm that the component meets RoHS compliance requirements as specified in the datasheet. Cross-reference the part number with authorized distributors to validate authenticity and supply chain integrity before finalizing procurement orders.

Selection Notes

Select this component for designs requiring a single-channel buck topology with integrated switching FETs. Ensure the application input voltage does not exceed the 65 V maximum rating. Consider the thermal performance requirements given the operating temperature range and integrated thermal shutdown features when designing the PCB layout.

Part Context

This part belongs to the TPS92205x series of LED drivers designed for high-efficiency constant current regulation. It is categorized under professional power management ICs and specifically targets LED lighting driver applications. The device simplifies design by integrating protection features and control logic into a small surface-mount package.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same product family. Verify electrical parameter compatibility for any substitute components.