Texas Instruments TLC5970RHPT LED Driver IC
The TLC5970RHPT is a highly flexible LED driver integrated circuit from Texas Instruments, designed to manage complex lighting solutions and provide precise control over light intensity and color mixing in LED applications. This product is particularly suitable for programmable lighting and display systems where high-resolution PWM (Pulse Width Modulation) control is required.
Key Features:
- High-Precision: The TLC5970RHPT offers 12 channels of constant-current sink drivers, each with 65536 (16-bit) grayscale PWM control, enabling fine-tuned brightness adjustments and smooth color transitions.
- Color Mixing: With its color mixing capabilities, this IC is ideal for applications requiring dynamic color control such as RGB LED displays, architectural lighting, and mood lighting.
- Integrated Features: It includes an on-chip oscillator for grayscale PWM generation, error detection, and a pre-charge FET for ghosting prevention, ensuring high-quality and reliable performance.
- Flexible Control: The device can be controlled via a simple serial interface, allowing for easy integration into existing systems and daisy-chaining of multiple devices for expanded control over large LED arrays.
- Thermal Protection: The TLC5970RHPT is equipped with thermal shutdown protection, which helps to safeguard the IC and connected LEDs from overheating, thus prolonging their lifespan.
Applications:
The versatility of the TLC5970RHPT makes it an excellent choice for a wide range of applications, including:
- Video displays
- Channel letter lighting
- Outdoor and indoor LED signage
- Commercial and residential architectural lighting
- Entertainment and stage lighting
Technical Specifications:
- Supply Voltage: 3.0 V to 5.5 V
- Output Current: 80 mA per channel (adjustable)
- Package: 28-pin QFN (RHP)
- Operating Temperature Range: -40°C to 85°C
With its robust feature set and high performance, the Texas Instruments TLC5970RHPT LED driver IC is a powerful solution for developers and manufacturers looking to create advanced, customizable LED lighting systems.