LP3950SLX/NOPB

LED Driver IC Overview

The LP3950SLX/NOPB is a Texas Instruments LED lighting driver IC featuring six output channels. It utilizes a boost topology with I2C control for color LED applications. The device operates on a single power supply ranging from 3 V to 7.2 V, delivering up to 300 mA output current per channel. It supports PWM dimming and includes audio synchronization capabilities. The component is housed in a 32-pin TLGA package and functions within a temperature range of -40°C to +85°C.

LED Driver IC Feature Summary

• Six independent current-mode output channels for RGB LED driving
• Integrated I2C interface for digital control and configuration
• Built-in audio synchronization functionality for synchronized lighting effects
• Boost DC-DC converter topology supporting high-voltage LED strings

LED Driver IC Applications

• Color LED lighting systems requiring precise current regulation
• Audio-reactive lighting displays and entertainment installations
• RGB LED backlighting modules for visual indicators
• Smart lighting controllers utilizing digital bus interfaces

LED Driver IC Procurement Notes

Verify the specific suffix 'X' indicates tape-and-reel packaging when ordering. Confirm that the required I2C address and current settings align with the target LED array specifications. Ensure the input voltage source remains within the 3 V to 7.2 V operational limits to prevent regulator instability. Check thermal dissipation requirements for the TLGA package in enclosed designs.

LED Driver IC Selection Notes

Select this component for designs requiring multi-channel color control with digital integration. It is suitable where space constraints favor surface-mount packages over through-hole alternatives. Consider the boost topology if the LED forward voltage exceeds the supply rail. Evaluate the need for audio sync features before choosing over standard constant-current drivers.

LED Driver IC Part Context

This part belongs to the LP3950 series of LED drivers from Texas Instruments. It is designed specifically for complex color rendering tasks rather than simple illumination. The series emphasizes digital controllability and multi-channel independence, distinguishing it from single-output regulators.

LED Driver IC FAQ

What is the maximum output current per channel?

The LP3950SLX/NOPB supports an output current of up to 300 mA per channel.

Does the device support digital communication?

Yes, it features an I2C control interface for setting parameters and monitoring status.