TLC59291RGER

Overview

The TLC59291RGER is a Texas Instruments LED lighting driver IC featuring 16 constant current outputs. It operates within a supply voltage range of 3 V to 5.5 V and delivers up to 50 mA per channel. The device utilizes a boost topology with an output voltage capability of 10 V. It supports a maximum operating frequency of 33 MHz and functions across a temperature range of -40°C to +85°C. Packaged in a 24-VQFN (4x4) format, it integrates internal switches for efficient surface-mount installation.

Feature Summary

• Integrates 16 independent constant current channels for precise LED control
• Features built-in open LED detection for fault monitoring
• Supports PWM dimming functionality via shift register interface

Applications

• LED signage displays
• General LED illumination systems
• Portable electronic lighting devices

Procurement Notes

Verify the specific suffix 'RGET' against official Texas Instruments documentation to confirm package type and tape/reel specifications. Ensure compatibility with RoHS3 standards and check moisture sensitivity level (MSL 2) requirements for storage and handling procedures prior to assembly.

Selection Notes

Select this component when designing circuits requiring high-density LED driving with minimal external components. The linear regulation approach suits applications where thermal management is feasible. Consider the 33 MHz clock speed for high-speed scanning requirements and ensure the PCB layout accommodates the exposed pad thermal dissipation characteristics of the VQFN package.

Part Context

This part belongs to the TLC59291 series, designed as a cost-effective solution for multi-channel LED applications. It distinguishes itself from the standard TLC5929 by offering enhanced performance parameters such as higher operating frequencies. The RGET suffix indicates a specific reel packaging configuration suitable for automated surface-mount production lines.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.