TLC5954RTQT

Overview

The TLC5954RTQT is a Texas Instruments LED lighting driver IC featuring 48 constant current outputs in a QFN-56 package. It operates on a boost topology with a supply voltage range of 3 V to 3.6 V and delivers an output voltage of 10 V. The device supports a maximum operating frequency of 30 MHz and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Provides 48 channels of constant current regulation for precise LED control
• Integrates a boost converter topology to drive high-voltage LED loads
• Includes thermal shutdown protection for enhanced operational safety

Applications

• LED backlighting systems
• General LED lighting applications

Procurement Notes

Verify the specific suffix RTQT against official datasheets to confirm the tape-and-reel packaging configuration. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when designing circuits requiring high-density LED driving with integrated boost conversion. It is suitable for applications needing 48 individually controllable channels within a compact QFN footprint. Consider the 3.6 V maximum supply limit and 30 MHz interface speed during system architecture planning.

Part Context

This part belongs to the Texas Instruments TLC5954 series, which specializes in high-channel-count LED drivers. The series is designed for applications requiring efficient constant current regulation and flexible PWM dimming capabilities. The RTQT variant specifically denotes the QFN-56 surface-mount package configuration.

Replacement Considerations

TLC5954RTQR is a documented substitute offering identical electrical specifications and functionality. Verify that the reel versus cut-tape packaging difference does not impact your automated assembly line requirements.