Overview
The TLC5928RGER is a 16-channel, constant-current sink LED driver produced by Texas Instruments. This integrated circuit is designed to control and drive LEDs with high precision and reliability. Each channel can be individually turned on or off through a serial data interface, making it suitable for various LED display and illumination applications. The device operates with a supply voltage range of 3.0 V to 5.5 V and can handle LED power-supply voltages up to 17 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 16 | |
| Constant-Current Capability | 35 mA | |
| Supply Voltage (VCC) | 3.0 V to 5.5 V | V |
| LED Power-Supply Voltage | Up to 17 V | V |
| Constant-Current Accuracy (Channel-to-Channel) | ±1% | |
| Constant-Current Accuracy (Device-to-Device) | ±1% | |
| Data Transfer Rate | 35 MHz | |
| BLANK Pulse Width | 20 ns | ns |
| Operating Temperature Range | –40°C to +85°C | °C |
| Package Type | VQFN-24 (4x4) |
Key Features
- 16 channels of constant-current sink output with individual on/off control via serial data interface.
- Constant-current accuracy of ±1% channel-to-channel and ±1% device-to-device.
- High-speed data transfer rate of 35 MHz.
- Low on-time error and fast switching times (10 ns).
- LED open detection (LOD) and pre-thermal warning (PTW) for error detection.
- CMOS logic level I/O compatibility.
- BLANK pin to turn off all outputs during power-on and data latching.
Applications
- LED video displays.
- Message boards.
- Illumination systems.
- Any application requiring precise control over multiple LEDs.
Q & A
- What is the TLC5928RGER? The TLC5928RGER is a 16-channel, constant-current sink LED driver produced by Texas Instruments.
- How many channels does the TLC5928RGER have? The TLC5928RGER has 16 channels.
- What is the supply voltage range for the TLC5928RGER? The supply voltage range is 3.0 V to 5.5 V.
- What is the maximum LED power-supply voltage the TLC5928RGER can handle? The TLC5928RGER can handle LED power-supply voltages up to 17 V.
- What is the constant-current capability of each channel? Each channel can sink up to 35 mA of current.
- Does the TLC5928RGER have error detection features? Yes, it includes LED open detection (LOD) and pre-thermal warning (PTW).
- What is the data transfer rate of the TLC5928RGER? The data transfer rate is 35 MHz.
- What is the package type of the TLC5928RGER? The package type is VQFN-24 (4x4).
- What are some common applications for the TLC5928RGER? Common applications include LED video displays, message boards, and illumination systems.
- Can multiple TLC5928RGER devices be cascaded? Yes, multiple devices can be cascaded to control additional LEDs.
