MPQ4263GQVE-0002-AEC1-Z

Overview

The MPQ4263GQVE-0002-AEC1-Z is an automotive-grade Buck-Boost switching regulator from Monolithic Power Systems. It operates with an input voltage range of 3.6 V to 36 V and delivers up to 140 W of power. The device integrates low-side MOSFETs and supports high-side current sensing alongside an I2C interface. It functions within a temperature range of -40°C to +150°C, utilizing a QFN-20 package. Key electrical parameters include a quiescent current of 775 uA and a switching frequency of 580 kHz.

Feature Summary

• Integrated low-side MOSFETs for compact power stage design
• Supports high-side current sensing for precise load management
• I2C interface enables digital configuration and monitoring
• Automotive qualification compliant with AEC-Q100 standards

Applications

• Automotive infotainment systems
• Advanced driver-assistance systems (ADAS)
• Vehicle lighting control modules
• Telematics units

Procurement Notes

Verify the complete part number including suffixes such as -0002-AEC1-Z against official manufacturer documentation to ensure correct packaging and automotive qualification status. Confirm that the specific revision matches project requirements before finalizing orders. Cross-reference datasheet specifications directly with supplier catalogs to validate technical compliance.

Selection Notes

Select this component when designing systems requiring wide input voltage ranges typical in automotive environments. The integrated MOSFETs reduce external component count compared to discrete solutions. Ensure thermal management strategies align with the specified operating temperature limits. Verify that the I2C interface compatibility matches the system controller capabilities.

Part Context

This part belongs to the MPQ4263-AEC1 series, designed specifically for automotive applications. It represents a class of high-power Buck-Boost converters that simplify power distribution in vehicles with fluctuating supply voltages. The series emphasizes reliability and integration to meet stringent automotive industry standards.

Replacement Considerations

Consult official MPS documentation for qualified alternative part numbers within the same automotive series. Direct replacements must match the QFN-20 package and maintain equivalent electrical performance characteristics. Verify pin-to-pin compatibility and software register mapping if using I2C interfaces.