TLC5951RHAT

Overview

The TLC5951RHAT is a Texas Instruments LED lighting driver IC featuring 24 channels with 12-bit PWM resolution. It operates within a supply voltage range of 3 V to 5.5 V and delivers an output current of 40 mA per channel. The device utilizes a VQFN-40 package and supports a maximum operating frequency of 30 MHz. It functions across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates 7-bit dot correction for individual LED brightness adjustment
• Includes fault detection mechanisms such as LED open and short-to-ground detection
• Provides error flag signaling for system monitoring

Applications

• LED backlighting systems
• General LED illumination control
• Display driver circuits

Procurement Notes

Verify the specific suffix RHAT corresponds to the VQFN-40 package and reel packaging configuration. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure input voltage requirements align with the specified 3 V to 5.5 V operational range for reliable performance.

Selection Notes

Select this component when high-resolution 12-bit PWM control is required for multiple LED channels. The integrated dot correction feature addresses luminance uniformity issues without external calibration components. Consider the 40 mA output capability and thermal characteristics relative to the target PCB layout and ambient operating conditions.

Part Context

This part belongs to the TLC5951 series of LED drivers from Texas Instruments. The family focuses on providing precise current control and diagnostic features for LED applications. The RHAT designation indicates the specific tape-and-reel packaging variant of the standard device.

Replacement Considerations

TLC5951RHAR is a documented alternative within the same series, offering identical functional specifications.