Overview
The LP3944ISQ/NOPB is a versatile LED driver IC produced by Texas Instruments. This component is designed to drive RGB, white, and blue LEDs, making it ideal for a variety of lighting applications. It features an 8-LED fun light driver capability and is packaged in a 24-pin WQFN (Wafer Level Quad Flat No-Lead) package. The LP3944ISQ/NOPB supports I2C and SMBus interfaces for dimming control, enhancing its usability in sophisticated lighting systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | 24-WQFN Exposed Pad |
| Number of Outputs | 8 |
| Internal Switch(es) | Yes |
| Output Current per Channel | 25mA |
| Interface | I2C, SMBus |
| Operating Temperature Range | -40°C to 85°C |
| RoHS Compliance | Yes, Green (RoHS & no Sb/Br) |
Key Features
- Drives RGB, white, and blue LEDs
- 8-LED fun light driver capability
- I2C and SMBus interfaces for dimming control
- Internal switches for each output
- Output current per channel: 25mA
- Compact 24-pin WQFN package
- Operating temperature range: -40°C to 85°C
- RoHS compliant and lead-free
Applications
The LP3944ISQ/NOPB is suitable for various lighting applications, including but not limited to:
- LED lighting systems in consumer electronics
- Automotive lighting
- Industrial lighting solutions
- Backlighting for displays and signage
- Decorative and fun lighting projects
Q & A
- What is the package type of the LP3944ISQ/NOPB? The LP3944ISQ/NOPB is packaged in a 24-pin WQFN (Wafer Level Quad Flat No-Lead) package.
- How many LED outputs does the LP3944ISQ/NOPB support? The LP3944ISQ/NOPB supports 8 LED outputs.
- What interfaces does the LP3944ISQ/NOPB support for dimming control? The LP3944ISQ/NOPB supports I2C and SMBus interfaces for dimming control.
- What is the output current per channel for the LP3944ISQ/NOPB? The output current per channel is 25mA.
- What is the operating temperature range of the LP3944ISQ/NOPB? The operating temperature range is -40°C to 85°C.
- Is the LP3944ISQ/NOPB RoHS compliant? Yes, the LP3944ISQ/NOPB is RoHS compliant and lead-free.
- What types of LEDs can the LP3944ISQ/NOPB drive? The LP3944ISQ/NOPB can drive RGB, white, and blue LEDs.
- Does the LP3944ISQ/NOPB have internal switches for each output? Yes, the LP3944ISQ/NOPB has internal switches for each output.
- What are some common applications for the LP3944ISQ/NOPB? Common applications include LED lighting systems in consumer electronics, automotive lighting, industrial lighting solutions, backlighting for displays and signage, and decorative lighting projects.
- Where can I find detailed specifications for the LP3944ISQ/NOPB? Detailed specifications can be found on the Texas Instruments website, as well as on distributor sites like Mouser, Digi-Key, and Heisener.
