Overview
The TLC5916IDRG4 is an 8-bit constant-current LED sink driver produced by Texas Instruments. This device is part of the TLC591x series, designed to provide flexible and reliable LED driving solutions. It is suitable for a wide range of applications, including general LED lighting, LED display systems, and automotive LED lighting. The TLC5916IDRG4 allows for independent control of each output channel, enabling users to program the LEDs to be on or off as needed. The device supports both single LED and multiple LED configurations on a single string, making it versatile for various lighting requirements.
Key Specifications
| Specification | Value |
|---|---|
| Package | 16-SOIC (0.154", 3.90mm Width) |
| Pins | 16 |
| Operating Temperature Range (°C) | -40 to 125 |
| Number of Outputs | 8 |
| Output Current Range per Channel | 3-mA to 120-mA |
| Maximum LED Voltage | 20-V |
| Supply Voltage | 3.3-V or 5-V |
| Clock Frequency | 30-MHz |
| Mounting Type | Surface Mount |
Key Features
- Eight constant-current output channels
- Output current adjusted through a single external resistor
- Constant output current invariant to load voltage change
- Open load, short load, and overtemperature detection
- 256-step programmable global current gain
- Excellent output current accuracy: ±3% between channels, ±6% between ICs
- Fast response of output current
- 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
- 7-segment displays
- Scrolling single color displays
- Video billboards and video panels
Q & A
- What is the TLC5916IDRG4 used for?
The TLC5916IDRG4 is used as an 8-bit constant-current LED sink driver for various LED lighting and display applications. - How many output channels does the TLC5916IDRG4 have?
The TLC5916IDRG4 has eight constant-current output channels. - What is the output current range per channel?
The output current range per channel is 3-mA to 120-mA. - What is the maximum LED voltage supported by the TLC5916IDRG4?
The maximum LED voltage supported is 20-V. - What are the supply voltage options for the TLC5916IDRG4?
The supply voltage options are 3.3-V or 5-V. - Does the TLC5916IDRG4 have overtemperature protection?
Yes, it has thermal shutdown for overtemperature protection. - What is the clock frequency of the TLC5916IDRG4?
The clock frequency is 30-MHz. - Can the TLC5916IDRG4 be used in automotive applications?
Yes, it is suitable for automotive LED lighting applications. - How is the output current adjusted in the TLC5916IDRG4?
The output current is adjusted through a single external resistor. - What is the operating temperature range of the TLC5916IDRG4?
The operating temperature range is -40°C to 125°C.
