Texas Instruments TLC5946PWR LED Driver IC
The Texas Instruments TLC5946PWR is a highly versatile 16-channel LED driver integrated circuit designed for consistent and efficient control of LEDs. This advanced driver IC is ideal for applications requiring precise LED current control, such as LED displays, backlighting, and indicator lights for a wide range of products including consumer electronics, automotive, and industrial equipment.
Key Features
- 16-Channel LED Driver: Each channel can be individually controlled, providing flexibility and precision for complex LED configurations.
- 12-Bit (4096 Steps) Grayscale PWM Control: Offers smooth and fine dimming capabilities to create various lighting effects and intensities.
- Error Detection: Features an error detection system that includes LED open detection and thermal error flag, ensuring reliable and safe operation.
- Constant Current Sink: Delivers a constant current ranging from 5 mA to 120 mA per channel, enhancing LED performance and lifespan.
- Flexible Power Supply: The device operates with a power supply voltage range between 3 V and 5.5 V, accommodating a variety of design requirements.
- Dot Correction: The TLC5946PWR provides 6-bit (64 steps) dot correction to compensate for variations in LED brightness and color.
Technical Specifications
| Parameter |
Value |
| Output Channel |
16 |
| Output Current per Channel |
5 mA to 120 mA |
| Supply Voltage |
3 V to 5.5 V |
| Grayscale Control |
12-bit (4096 steps) |
| Dot Correction |
6-bit (64 steps) |
| Package Type |
TSSOP-28 |
The TLC5946PWR is provided in a TSSOP-28 package, ensuring a compact footprint that is suitable for space-constrained applications. Its thermal shutdown feature also protects the device from overheating, making it a reliable choice for continuous and demanding operation. Whether you're designing a sophisticated LED display or simply in need of precise control for backlighting, the TLC5946PWR by Texas Instruments is an excellent solution that promises performance, versatility, and reliability.