Texas Instruments TLC5921DAPR LED Driver IC

The Texas Instruments TLC5921DAPR is a robust, high-performance 16-channel constant-current sink driver designed to deliver precision and efficiency for a wide range of LED lighting applications. This integrated circuit (IC) is specifically engineered to cater to the needs of both simple and complex LED displays, including full-color panels, message boards, and various types of lighting systems that require consistent and reliable LED intensity.

Key Features

• Output Current Adjustability: Each of the 16 channels can drive up to 120 mA of current, with the capability to adjust the output current through external resistors. This feature provides flexibility in tuning the brightness levels to achieve the desired luminance for different LED configurations.
• Constant-Current Accuracy: The TLC5921DAPR maintains a high level of current accuracy between channels and between ICs, ensuring uniform brightness across the display or lighting system and enhancing the overall visual quality.
• Thermal Shutdown Protection: With built-in thermal shutdown protection, the device ensures reliability and longevity by preventing overheating, which can be a common issue in high-intensity LED applications.
• Flexible Interface: The IC supports a 30 MHz data transfer rate with a serial interface, allowing for seamless integration into a variety of system designs without compromising on speed or performance.

Applications

The versatility of the TLC5921DAPR makes it suitable for a range of applications, including:

• LED video displays
• Signage and marquee displays
• Automotive lighting
• General-purpose LED lighting

Package and Quality

The TLC5921DAPR is offered in a PowerPAD-38 package, which not only simplifies the PCB design process but also enhances thermal performance. Texas Instruments' commitment to quality ensures that each IC meets stringent industry standards for performance and reliability, making the TLC5921DAPR a trusted choice for professional and consumer LED applications alike.

With its combination of precision, efficiency, and durability, the Texas Instruments TLC5921DAPR stands out as an ideal solution for driving multiple LEDs with consistent brightness and remarkable stability.