LP55281TL/NOPB

LED Driver IC Overview

The LP55281TL/NOPB is a Texas Instruments LED lighting driver IC featuring twelve independent RGB/white channels. It utilizes a boost topology with an internal switch operating at a 2 MHz frequency. The device supports a supply voltage range from 3 V to 5.5 V and delivers up to 300 mA output current per channel, with a maximum output voltage of 5.3 V. Packaged in a DSBGA-36 format, it operates within a temperature range of -30°C to +85°C.

LED Driver IC Feature Summary

• Integrates twelve independent constant-current channels for RGB and white LED control
• Employs a boost converter topology with integrated power switches
• Supports I2C interface for configuration and data input

LED Driver IC Applications

• RGB backlight systems for mobile devices
• White LED illumination drivers
• Multi-channel LED lighting arrays

LED Driver IC Procurement Notes

Verify the specific package marking and date code against the manufacturer's latest datasheet to ensure authenticity. Confirm that the component meets RoHS compliance requirements as specified in the official documentation. Cross-reference the ordering part number with authorized distributors to avoid counterfeit products.

LED Driver IC Selection Notes

Select this component when designing circuits requiring high-density LED control with minimal external components. The integrated boost converter simplifies design for applications needing higher LED forward voltages than the supply rail. Ensure the thermal management strategy accommodates the DSBGA-36 package constraints under maximum load conditions.

LED Driver IC Part Context

This device belongs to the LP55281 series of programmable LED drivers from Texas Instruments. It is designed for portable electronics where space efficiency and multi-color capability are critical. The series typically integrates microcontrollers and memory for complex lighting effects without external processing.

LED Driver IC Replacement Considerations

Consult the official TI replacement guide for verified substitutes. Generic equivalents may lack the specific I2C protocol or current regulation accuracy required for this application.