MPQ4272GVE-0001-AEC1-Z

Overview

The MPQ4272GVE-0001-AEC1-Z is a dual-channel synchronous buck converter from Monolithic Power Systems, designed for automotive power delivery applications. It features two independent channels capable of delivering 3A each or sharing up to 6A. The device operates with an input voltage range of 4V to 36V and provides an adjustable output voltage from 1V to 21V with 12.6mV resolution. It supports selectable switching frequencies of 250kHz, 420kHz, 1.1MHz, and 2.1MHz, including spread spectrum functionality. Integrated I2C interface allows precise control over current limits, modes, and compensation parameters.

Feature Summary

• Dual-channel architecture supporting independent 3A outputs or shared 6A capability
• I2C interface with OTP compatibility for programmable control of operating modes and protection settings
• Integrated low-side and high-side MOSFETs with low on-resistance for efficient power conversion
• Advanced protection mechanisms including line drop compensation, VBUS isolation, and ground battery short circuit protection

Applications

• Automotive dual-port USB charging systems
• Vehicle infotainment power distribution units
• Digital cockpit power management modules
• ADAS sensor power supply networks

Procurement Notes

Verify the complete part number against official MPS documentation to ensure correct suffix alignment. Confirm AEC-Q100 qualification status matches specific automotive grade requirements. Check datasheet for pinout compatibility with target PCB layout. Validate thermal performance specifications under expected ambient conditions before finalizing procurement decisions.

Selection Notes

Select this component when designing automotive power systems requiring dual isolated outputs with digital control capabilities. Consider the QFN-21 package dimensions for space-constrained layouts. Evaluate the I2C interface requirements against system controller availability. Assess thermal dissipation needs based on total load current and ambient temperature constraints.

Part Context

This device belongs to the MPQ4272 series of automotive-grade power management ICs. It integrates dual synchronous buck converters into a single compact solution. The series targets modern vehicle architectures demanding flexible power delivery through standardized interfaces like USB PD.

Replacement Considerations

Consult official MPS substitution guides for verified alternatives. Cross-reference pinouts and electrical specifications carefully. Ensure any replacement maintains AEC-Q100 compliance for automotive applications.