LP3944ISQX/NOPB

LED Driver IC Overview

The LP3944ISQX/NOPB is an RGB/White/Blue LED Fun Light driver manufactured by Texas Instruments. It features an internal precision oscillator and independently drives up to eight LEDs. The device supports I2C and SMBus dimming interfaces with a maximum output current of 25mA per channel. It is housed in a 24-WQFN (4x4) package.

LED Driver IC Feature Summary

• Independently drives up to eight LEDs
• Supports I2C and SMBus dimming protocols
• Contains an internal precision oscillator

LED Driver IC Applications

• RGB lighting systems
• White LED lighting applications
• Blue LED lighting configurations

LED Driver IC Procurement Notes

Verify the exact suffix 'SQX' against official datasheets to confirm automotive qualification status and specific package variant. Ensure compatibility with I2C/SMBus bus speeds. Confirm RoHS compliance via the manufacturer's documentation before integration into final assemblies.

LED Driver IC Selection Notes

Select this component for designs requiring independent control of multiple RGB, White, or Blue LEDs. It is suitable for applications needing precise dimming via digital interfaces. Consider the 24-WQFN package size for space-constrained PCB layouts.

LED Driver IC Part Context

This part belongs to the LP3944 series of LED drivers from Texas Instruments. It is designed for fun light applications involving multiple color channels. The NOPB suffix indicates lead-free and halogen-free construction compliant with environmental standards.

LED Driver IC Replacement Considerations

Check for direct pin-to-pin replacements within the same family. Verify electrical parameters such as output current limits and interface compatibility when substituting with other LED driver ICs.

LED Driver IC FAQ

What communication interfaces does the LP3944 support?

The device supports I2C and SMBus dimming interfaces.

How many LEDs can be driven independently?

It can independently drive up to eight LEDs.