MPQ4425AGQB-AEC1-Z

Overview

The MPQ4425AGQB-AEC1-Z is an automotive-grade, high-efficiency synchronous step-down LED driver manufactured by Monolithic Power Systems. It features a Buck topology with a single output channel capable of delivering up to 1.5 A of output current. The device operates within an input voltage range of 4 V to 36 V and supports a fixed switching frequency of 2.2 MHz. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C. The component is housed in a QFN-13 package.

Feature Summary

• Supports PWM dimming control for precise brightness adjustment
• Integrates short circuit protection and thermal shutdown mechanisms
• Designed for high efficiency in synchronous step-down configurations

Applications

• Automotive exterior lighting systems
• Automotive interior illumination circuits
• General LED lighting driver implementations

Procurement Notes

Verify the specific suffix 'AEC1-Z' against official Monolithic Power Systems documentation to confirm automotive qualification status and reel packaging specifications. Ensure compatibility with QFN-13 footprint requirements during procurement planning. Cross-reference datasheet revisions to validate current production status and lead time estimates provided by authorized distributors.

Selection Notes

Select this component when designing automotive LED drivers requiring a 1.5 A continuous output current capability. The 2.2 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Ensure the application environment remains within the specified -40°C to +125°C operating temperature range to maintain reliability and performance standards.

Part Context

This part belongs to the MPQ4425 series of synchronous step-down LED drivers from Monolithic Power Systems. It shares core electrical characteristics with other variants in the family but is distinguished by its automotive grade qualification (AEC-Q100) and specific package configuration. The AGQB suffix indicates the standard QFN-13 package variant within this product line.

Replacement Considerations

MPQ4425AGQBE-AEC1-Z offers identical electrical performance with a wettable flank package for improved solderability. MPQ4425MGQB-AEC1-Z provides similar functionality within the same automotive qualification framework.