MPQ4263GQVE-0002-AEC1-P

Overview

The MPQ4263GQVE-0002-AEC1-P is a Monolithic Power Systems buck-boost switching regulator designed for automotive applications. It features integrated low-side MOSFETs and supports high-side current sensing with an I2C interface. The device operates within a 3.6 V to 36 V input voltage range, delivering up to 140 W of power. Output voltage is adjustable from 1 V to 36 V across one output channel. Key electrical parameters include a quiescent current of 775 uA and a switching frequency of 580 kHz. It functions reliably between -40°C and +150°C, housed in a QFN-20 package.

Feature Summary

• Buck-Boost topology supporting wide input and output voltage ranges
• Integrated low-side MOSFETs for compact design
• High-side current sense capability
• I2C interface for configuration and monitoring

Applications

• Automotive systems requiring AEC-Q100 qualification
• Applications needing wide input voltage flexibility
• Power management for 12V or 24V vehicle architectures

Procurement Notes

Verify the exact suffix against official MPS documentation, as distributor listings may vary (e.g., Z vs P). Confirm AEC-Q100 compliance status directly with the manufacturer datasheet. Ensure the QFN-20 package type matches your PCB footprint requirements. Cross-reference the specific revision level to guarantee compatibility with your system design specifications.

Selection Notes

Select this component when a buck-boost converter is required for automotive environments with varying input voltages. The integrated MOSFETs reduce external component count compared to discrete solutions. The I2C interface allows for digital control and monitoring, suitable for advanced power management strategies. Verify thermal performance requirements given the high power capability and operating temperature range.

Part Context

This part belongs to the MPQ4263-AEC1 series from Monolithic Power Systems, specifically tailored for automotive grade reliability. It is distinct from other MPS regulators like the MPM3515 or MPQ4328 by its buck-boost topology and higher power handling capabilities. The series emphasizes integration and digital control interfaces for modern automotive electronics.

FAQ

What is the maximum input voltage supported by the MPQ4263?

The maximum input voltage is 36 V.

Does the MPQ4263 support digital communication?

Yes, it includes an I2C interface for configuration and monitoring.

What is the operating temperature range?

The device operates from -40°C to +150°C.