LP55281TLX/NOPB

LED Driver IC Overview

The LP55281TLX/NOPB is an LED lighting driver IC from Texas Instruments featuring a boost topology with 12 outputs. It supports RGB and white LED configurations, delivering up to 300 mA output current per channel. The device operates within a supply voltage range of 3 V to 5.5 V and includes an internal oscillator running at 2 MHz. It achieves a maximum output voltage of 5.3 V and functions reliably across temperatures from -30°C to +85°C. Packaged in a DSBGA-36 format, it integrates constant current regulation for precise LED control.

LED Driver IC Feature Summary

• Integrates a boost converter topology for efficient power management in LED applications
• Provides independent constant current regulation across twelve distinct output channels
• Supports flexible RGB and white LED color mixing configurations
• Features I2C interface for programmable control and status monitoring

LED Driver IC Applications

• RGB backlight systems for mobile devices and displays
• White LED illumination drivers for general lighting
• Multi-channel LED color mixing modules
• Portable electronic device display backlighting

LED Driver IC Procurement Notes

Verify the specific suffix 'TLX' against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the required operating temperature range of -30°C to +85°C. Confirm RoHS compliance status as detailed in the product documentation. Cross-reference the DSBGA-36 package outline with PCB footprint requirements prior to procurement.

LED Driver IC Selection Notes

Select this component when designing circuits requiring high-current drive for multiple LEDs with integrated boost conversion. The 300 mA per channel capability suits bright display backlights. Consider the 3 V to 5.5 V input range for battery-powered designs. Evaluate the DSBGA-36 package size against available board space constraints and thermal dissipation needs for the target application environment.

LED Driver IC Part Context

This part belongs to the LP55281 series of LED drivers from Texas Instruments. It is designed for applications needing multi-channel constant current control with integrated power management. The device simplifies design by combining the boost converter and LED drivers into a single solution, reducing component count compared to discrete implementations.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.