LX2273ILQ

LED Driver IC Overview

The LX2273ILQ is a four-output DC-DC controller designed for LED driver applications, manufactured by Microsemi Corporation. It utilizes a boost topology to manage power conversion efficiently. The device supports both analog and PWM dimming methods, allowing for precise control of LED brightness levels. Packaged in a 38-VFQFN format, it integrates the necessary circuitry to drive multiple LED channels from a single controller unit.

LED Driver IC Feature Summary

• Four-output DC-DC control capability for multi-channel LED driving
• Boost topology architecture for efficient voltage step-up
• Supports both analog and PWM dimming interfaces

LED Driver IC Applications

• LED lighting systems requiring multi-channel control
• Automotive interior or exterior lighting modules
• General illumination drivers utilizing boost converters

LED Driver IC Procurement Notes

Verify the manufacturer status carefully as Microsemi has been acquired by Microchip. Confirm the specific suffix 'LQ' matches your board design requirements. Check current availability as some listings indicate end-of-life status. Ensure the 38-VFQFN package footprint aligns with your PCB layout specifications before ordering.

LED Driver IC Selection Notes

Select this component when a four-channel boost LED driver is required. It is suitable for designs needing combined analog and digital dimming flexibility. Consider the thermal performance of the VFQFN package for your enclosure. Verify input voltage ranges against your system's power supply capabilities.

LED Driver IC Part Context

This part belongs to the Microsemi LED driver portfolio, now under Microchip. It serves as a specialized power management IC for high-reliability lighting applications. The company focuses on aerospace, defense, and communications sectors, ensuring robust semiconductor solutions for critical infrastructure.

LED Driver IC Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult Microchip official resources for direct replacements or compatible alternatives within the updated product line.