Overview
The TLC59281DBQR is a 16-channel constant-current LED driver manufactured by Texas Instruments. This linear topology shift register is designed to provide precise current control for LED applications, making it ideal for use in lighting systems, display panels, and other applications requiring multiple LED channels. With its internal switch and high output voltage capability, it offers a compact and efficient solution for driving LEDs. The device is available in a 24-SSOP package and is suitable for surface-mount applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | TLC59281DBQR | - | - |
| Type | Linear | - | - |
| Topology | Shift Register | - | - |
| Internal Switch | Yes | - | - |
| Number of Outputs | 16 | - | - |
| Supply Voltage (Low) | 3 | V | - |
| Supply Voltage (High) | 5.5 | V | - |
| Output Voltage | 17 | V | - |
| Output Current per Channel | 35 | mA | - |
| Frequency | 35 | MHz | - |
| Operating Temperature | -40 to 85 | °C | - |
| Mounting Type | Surface Mount | - | - |
| Package | 24-SSOP | - | - |
Key Features
- 16-channel constant-current LED driver for precise current control.
- Internal shift register simplifies system design and reduces component count.
- High output voltage capability supports a wide range of LED applications.
- Compact 24-SSOP package for space-constrained designs.
- Wide operating temperature range (-40°C to 85°C) for robust performance in various environments.
Applications
The TLC59281DBQR is widely used in applications requiring multiple LED channels, such as LED lighting systems, display panels, and signage. Its precise current control and high output voltage make it suitable for both indoor and outdoor lighting solutions. Additionally, its compact form factor and surface-mount compatibility enable integration into space-constrained designs, such as consumer electronics and automotive lighting systems.
Q & A
1. What is the maximum output current per channel?
The maximum output current per channel is 35 mA.
2. What is the operating voltage range?
The operating voltage range is 3 V to 5.5 V.
3. Does the device have an internal switch?
Yes, the device includes an internal switch.
4. What is the package type?
The device is available in a 24-SSOP package.
5. What is the maximum output voltage?
The maximum output voltage is 17 V.
6. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
7. How many output channels does the device support?
The device supports 16 output channels.
8. Is the device suitable for surface-mount applications?
Yes, the device is designed for surface-mount applications.
9. What is the frequency of operation?
The frequency of operation is 35 MHz.
10. What are the typical applications of this device?
Typical applications include LED lighting systems, display panels, and signage.
