The TLC5941RHBR is a highly versatile LED driver integrated circuit (IC) from Texas Instruments (TI), designed to manage complex LED lighting solutions. This powerful IC is capable of driving up to 16 independent channels, making it an ideal choice for LED displays, backlighting, and other applications requiring precise control of multiple LEDs.

Key Features

• 16-Channel Output: Each channel can be individually controlled, allowing for intricate lighting patterns and effects.
• 12-Bit (4096 Steps) Grayscale PWM Control: Offers high-resolution intensity control for each LED, enabling smooth and subtle transitions.
• Error Detection: Features an error detection system that senses LED open-circuit and short-circuit conditions, enhancing reliability and safety.
• Dot Correction: The TLC5941RHBR includes a 6-bit (64 steps) dot correction feature to compensate for brightness variations and aging effects among different LEDs.
• Pre-Charge FET: A pre-charge FET for each output helps to equalize the turn-on times of the LEDs, improving the overall visual performance.
• Thermal Shutdown: The IC includes a thermal shutdown feature that protects the device from overheating, ensuring a longer lifespan for both the IC and the LEDs it controls.

Applications

The TLC5941RHBR is suitable for a wide range of applications, including:

• Professional lighting systems
• Architectural lighting
• LED displays and signage
• Automotive lighting
• Backlighting for LCD displays

Technical Specifications

The device is provided in a VQFN (PLASTIC) package and operates over a supply voltage range of 3.0 V to 5.5 V. The IC is designed to work in a temperature range from -40°C to 85°C, making it robust enough for various environmental conditions.

Ordering Information

The TLC5941RHBR comes in a compact 32-pin QFN package and is available on reels for automated assembly processes. For detailed ordering and shipping information, please refer to the Texas Instruments official website or authorized distributors.