MPQ4487AGU-AEC1-Z

Overview

The MPQ4487AGU-AEC1-Z is a Monolithic Power Systems automotive-grade synchronous buck converter. It operates with an input voltage range of 6 V to 40 V and delivers up to 6 A output current. The device features a fixed 5.17 V output, adjustable switching frequencies from 250 kHz to 2.2 MHz, and ultra-low quiescent current of 1 uA. Qualified under AEC-Q100 standards, it supports dual USB charging ports with EN and fault indication functions. Packaged in a QFN-26 footprint, it ensures reliable performance across temperatures from -40°C to +125°C.

Feature Summary

• Supports dual USB charging ports with EN and fault indication functions
• Passed Apple MFI R33 Certification Test
• Passed USB-IF Type-C Certification Test
• Ultra-low quiescent current for efficient standby operation

Applications

• Automotive infotainment systems
• Vehicle telematics units
• Digital instrument clusters
• ADAS sensor power supplies

Procurement Notes

Verify the specific suffix 'Z' against datasheet requirements to ensure correct packaging and material specifications. Confirm that the AEC-Q100 qualification aligns with target automotive reliability standards. Check for recent supply status updates as availability may fluctuate. Ensure compatibility with existing PCB footprints and thermal management designs before finalizing procurement orders.

Selection Notes

Select this component when high-current delivery and strict automotive certification are required. The integrated dual USB port support simplifies interface design compared to standard converters. Consider the wide input voltage range for robustness against automotive load dump conditions. Evaluate the fixed output voltage against system rail requirements to minimize external feedback network complexity.

Part Context

This part belongs to the MPQ4487 series of step-down converters designed specifically for automotive applications. It complements other MPS solutions by offering specialized USB charging capabilities alongside standard DC-DC conversion. The series emphasizes compliance with industry certifications, targeting modern vehicle electronics that require certified power interfaces.

Replacement Considerations

MPQ4487GU-AEC1-P serves as a related variant within the same product family.