Overview
The TLC5928PWR is a 16-channel constant-current sink LED driver manufactured by Texas Instruments. Designed for precision LED control, this IC is housed in a 24-TSSOP package and operates within a voltage range of 3V to 5.5V. It is widely used in applications requiring reliable LED driving, such as LED video displays and message boards. Its key features include LED open detection, high-speed data transfer, and excellent channel-to-channel current accuracy, making it a competitive choice for industrial and consumer lighting solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Category | PMIC - LED Driver | - | - |
| Output Channels | 16 | - | Constant-current sink |
| Data Transfer Rate | 35 | MHz | - |
| Supply Voltage | 3 - 5.5 | V | - |
| Output Voltage | 17 | V | - |
| Operating Temperature | -40 to 85 | °C | - |
| Package | 24-TSSOP | - | 4.40mm wide |
Key Features
- 16-channel constant-current sink output with on/off control.
- LED open detection (LOD) and pre-thermal warning (PTW) for error detection.
- High-speed data transfer rate of 35 MHz.
- Channel-to-channel current accuracy of ±1%.
- Wide operating voltage range of 3V to 5.5V.
Applications
The TLC5928PWR is ideal for applications such as LED video displays, message boards, and general illumination. Its precision current control and error detection capabilities ensure reliable performance in demanding environments, making it suitable for both industrial and consumer electronics.
Q & A
1. What is the maximum output current per channel?
The maximum output current per channel is 35 mA.
2. Does the TLC5928PWR support LED open detection?
Yes, it includes LED open detection (LOD) functionality.
3. What is the operating voltage range?
The operating voltage range is 3V to 5.5V.
4. What is the data transfer rate?
The data transfer rate is 35 MHz.
5. What is the package type?
The package type is 24-TSSOP.
6. Is the TLC5928PWR suitable for high-temperature environments?
Yes, it operates within a temperature range of -40°C to 85°C.
7. How many output channels does it have?
It has 16 output channels.
8. What is the channel-to-channel current accuracy?
The channel-to-channel current accuracy is ±1%.
9. Does it include pre-thermal warning functionality?
Yes, it includes pre-thermal warning (PTW) for high-temperature conditions.
10. What are typical applications for this IC?
Typical applications include LED video displays, message boards, and illumination systems.
