Overview
The LP5012RUKR, manufactured by Texas Instruments, is a 9/12-channel constant current sink LED driver designed for advanced lighting applications. This device integrates color mixing and brightness control features, along with pre-configured settings to simplify software development. Its market positioning targets high-performance LED lighting systems, making it ideal for designers and engineers in the consumer electronics, automotive, and industrial sectors. The LP5012RUKR stands out for its ability to deliver smooth, vivid LED colors while eliminating audible noise, thanks to its integrated 12-bit, 29kHz PWM generator for each channel.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channels | 9/12 | Constant current sink | |
| PWM Resolution | 12-bit | 29kHz frequency | |
| Input Voltage | 2.7 - 5.5 | V | Wide operating range |
| LED Current per Channel | 35 | mA | Maximum current |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Package | WQFN-20 | Compact form factor |
Key Features
- Integrated color mixing and brightness control for seamless LED operation.
- Pre-configured settings to reduce software development time.
- 12-bit PWM generator ensures smooth, noise-free LED color transitions.
- Wide input voltage range (2.7V to 5.5V) for versatile applications.
- Compact WQFN-20 package suitable for space-constrained designs.
Applications
The LP5012RUKR is widely used in applications requiring precise LED control, such as consumer electronics (smart lighting, displays), automotive lighting (interior and exterior), and industrial lighting systems. Its ability to deliver consistent and vibrant LED colors makes it particularly suitable for applications like architectural lighting, stage lighting, and signage. The device's robust design and wide operating temperature range ensure reliable performance in demanding environments.
Q & A
1. What is the maximum LED current per channel?
The maximum LED current per channel is 35mA.
2. What is the PWM resolution of the LP5012RUKR?
It features a 12-bit PWM resolution with a 29kHz frequency.
3. What is the operating voltage range?
The operating voltage range is 2.7V to 5.5V.
4. Is the LP5012RUKR suitable for automotive applications?
Yes, its robust design and wide temperature range make it ideal for automotive lighting.
5. Does it support color mixing?
Yes, it integrates color mixing and brightness control features.
6. What package does the LP5012RUKR use?
It uses a compact WQFN-20 package.
7. Can it eliminate audible noise in LED applications?
Yes, its 29kHz PWM generator ensures noise-free operation.
8. What is the typical application of this device?
It is commonly used in smart lighting, displays, and architectural lighting.
9. Is the LP5012RUKR pre-configured for ease of use?
Yes, it includes pre-configured settings to simplify software development.
10. What is the operating temperature range?
It operates reliably from -40°C to 85°C.
