Texas Instruments TLC5947RHBT

The TLC5947RHBT is a highly integrated PWM LED driver manufactured by Texas Instruments. This advanced device is designed to manage and drive 24 channels of LED outputs with 12-bit (4096 steps) grayscale PWM control per channel, making it an ideal solution for LED display systems requiring high-resolution intensity control and sophisticated color mixing.

Key Features:

• 24 Independently Controlled Channels: With 24 outputs, the TLC5947RHBT can drive multiple LEDs, providing flexibility for various lighting designs.
• 12-Bit Grayscale PWM Control: Each channel can be dimmed with 4096 levels of brightness, offering precise control over the intensity of the LEDs for smooth transitions and color mixing.
• Dot Correction: The device includes a dot-correction feature that helps to compensate for variations in LED brightness and color, ensuring uniform output across the display.
• Thermal Shutdown: An in-built thermal shutdown feature protects the device from overheating, ensuring reliability and longevity of the LED driver.
• Wide Voltage Range: The TLC5947RHBT operates on a supply voltage range of 3.0V to 5.5V, accommodating various power supplies and systems.
• Serial Interface: The device is equipped with a serial interface for data input, allowing for easy integration with microcontrollers and other digital control circuits.

Applications:

The TLC5947RHBT is suitable for a wide range of applications, including:

• Full-Color LED Displays
• LED Signage and Marquees
• Decorative and Entertainment Lighting
• Architectural Lighting Systems
• Commercial and Industrial Lighting

Package and Quality:

This LED driver comes in a VQFN (RHB) package with a compact footprint, making it suitable for space-constrained applications. The device is also characterized for operation from -40°C to 85°C, ensuring performance across a wide temperature range.

With its robust feature set and high channel count, the TLC5947RHBT from Texas Instruments stands out as an efficient and versatile choice for advanced LED driving solutions.