Overview
The TLC5916IDR is an 8-bit constant-current LED sink driver produced by Texas Instruments. This device is designed to provide precise and independent control over eight LED channels, making it suitable for a wide range of LED lighting applications. The TLC5916IDR operates in a SOIC (D) package with 16 pins and supports both 3.3-V and 5-V supply voltages. It features a high LED voltage tolerance of up to 20 V, allowing for the use of single or multiple LEDs per output channel.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage (VDD) | 3 to 5.5 | V |
| Maximum LED Voltage (VLED) | 20 | V |
| Output Current Range | 3 to 120 | mA |
| Clock Frequency | 30 MHz | - |
| Output Current Accuracy (Between Channels) | < ±3% | - |
| Output Current Accuracy (Between ICs) | < ±6% | - |
| Thermal Shutdown Temperature | 150 to 200 | °C |
Key Features
- Eight constant-current output channels with independent control.
- Output current adjusted through a single external resistor.
- Constant output current range: 3 mA to 120 mA per channel.
- Constant output current invariant to load voltage changes.
- Open load, short load, and overtemperature detection.
- 256-step programmable global current gain.
- Excellent output current accuracy: < ±3% between channels and < ±6% between ICs.
- Fast response of output current.
- 30-MHz clock frequency.
- Schmitt-trigger input.
- Thermal shutdown for overtemperature protection.
Applications
- General LED lighting applications.
- LED display systems.
- LED signage.
- Automotive LED lighting.
- White goods.
- Gaming machines and entertainment systems.
- 7-segment displays, scrolling single-color displays, video billboards, and video panels.
Q & A
- What is the TLC5916IDR used for?
The TLC5916IDR is used as an 8-bit constant-current LED sink driver, suitable for various LED lighting applications.
- What is the package type and pin count of the TLC5916IDR?
The TLC5916IDR comes in a SOIC (D) package with 16 pins.
- What is the operating temperature range of the TLC5916IDR?
The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for the TLC5916IDR?
The supply voltage range is 3 V to 5.5 V.
- What is the maximum LED voltage the TLC5916IDR can handle?
The maximum LED voltage is 20 V.
- How is the output current adjusted in the TLC5916IDR?
The output current is adjusted through a single external resistor.
- What is the output current range per channel?
The output current range per channel is 3 mA to 120 mA.
- Does the TLC5916IDR have overtemperature protection?
Yes, it has thermal shutdown for overtemperature protection.
- What are some common applications of the TLC5916IDR?
Common applications include general LED lighting, LED display systems, automotive LED lighting, and gaming machines.
- Can the TLC5916IDR be cascaded with other devices?
Yes, the TLC5916IDR can be used alone or cascaded with other devices.
