Introducing the TLC5947RHBR/TLC5947RHBT from Texas Instruments

The TLC5947RHBR and TLC5947RHBT are highly versatile 24-channel, constant-current sink LED drivers designed and manufactured by Texas Instruments, a leader in semiconductor solutions. These integrated circuits are specifically engineered to address the needs of complex LED lighting systems, offering an impeccable combination of power, precision, and ease of use.

Key Features

• 24 Independently Controlled Channels: With 24 channels at your disposal, you can manage numerous LEDs, providing flexibility for a wide array of lighting designs.
• Constant-Current Sink: Each channel provides a constant-current sink, ensuring that each LED receives a stable current for uniform brightness and color consistency, which is crucial for high-quality lighting applications.
• 12-Bit (4096 Steps) Grayscale Control: Fine-tune the brightness of your LEDs with high precision, thanks to the 12-bit grayscale control. This feature allows for smooth transitions and nuanced lighting effects, enhancing the overall visual experience.
• Dot Correction: The TLC5947RHBR/TLC5947RHBT includes dot correction capabilities, enabling individual adjustment of LED outputs to compensate for variations in color or brightness, ensuring a balanced and uniform display.
• Thermal Shutdown: Safety is paramount, and these drivers come equipped with thermal shutdown features, protecting your system from overheating.
• Wide Voltage Range: These devices operate with a supply voltage range of 3.0 V to 5.5 V, making them suitable for a variety of LED lighting applications.

Applications

The TLC5947RHBR and TLC5947RHBT are perfect for a diverse range of applications, including:

• Full-Color LED Displays
• LED Signage and Decorative Lighting
• Industrial and Commercial Lighting Systems
• Automotive Lighting
• RGB or Monochrome LED Drivers

Product Variants

The TLC5947RHBR and TLC5947RHBT come in different packaging options to suit various manufacturing requirements:

• The RHBR variant is available in a VQFN (Very Thin Quad Flat Non-leaded) package.
• The RHBT variant is provided in a TSSOP (Thin Shrink Small Outline Package) form factor.

With their robust feature set and Texas Instruments' reputation for quality, the TLC5947RHBR and TLC5947RHBT LED drivers are ideal solutions for developers looking to create sophisticated and reliable LED lighting systems.