TLC69654RTWR

Overview

The TLC69654RTWR is a Texas Instruments LED lighting driver IC designed for 64 mini-LED matrix local dimming applications. It operates within an input voltage range of 3 V to 5.5 V and supports a maximum output voltage of 50 V. The device features sixteen constant current channels, each capable of delivering up to 30 mA of output current. It utilizes a high-speed daisy chain interface with a working frequency of 20 MHz for efficient data transmission. The component is housed in a WQFN-24 package and functions across a temperature range of -40°C to +85°C.

Feature Summary

• Supports 64 mini-LED matrix configurations through sixteen independent output channels
• Enables precise brightness control via PWM dimming capabilities
• Utilizes a high-speed daisy chain interface for simplified system connectivity
• Delivers linear constant current regulation for stable LED performance

Applications

• Mini-LED backlight systems for displays
• Local dimming applications requiring high channel counts
• Automotive display illumination modules
• High-resolution screen backlighting solutions

Procurement Notes

Verify the specific part number suffix against official Texas Instruments documentation to confirm package type and temperature grade. Ensure compatibility with the target application's voltage requirements and thermal management needs. Cross-reference the datasheet for accurate pinout definitions and electrical characteristics before integration into the design.

Selection Notes

Select this component for designs requiring localized brightness control in mini-LED arrays. Consider the sixteen-channel architecture when planning PCB layout and trace routing. Evaluate the thermal dissipation requirements associated with the WQFN-24 package under maximum load conditions. Confirm that the system logic levels align with the daisy chain interface specifications.

Part Context

This device belongs to the TLC69654 series of LED drivers from Texas Instruments. It is engineered specifically for advanced lighting control tasks where individual zone management is critical. The series provides scalable solutions for modern display technologies that demand high contrast ratios and energy efficiency through precise current regulation.

FAQ

What is the maximum output current per channel?

Each of the sixteen output channels can deliver a maximum current of 30 mA.

How is the brightness of the LEDs controlled?

Brightness is managed using Pulse Width Modulation (PWM) dimming techniques supported by the internal controller.