MPQ4253AGU-AEC1-Z

Overview

The MPQ4253AGU-AEC1-Z is a Monolithic Power Systems automotive-grade synchronous buck converter designed for dual USB charging applications. It supports one Type-A and one Type-C port with an input voltage range of 6 V to 36 V. The device delivers up to 3 A output current with fixed outputs at 5.1 V, 5.17 V, or 5.3 V. Operating within a -40°C to +125°C temperature range, it features a switchable frequency from 250 kHz to 1 MHz and low quiescent current of 1 mA. Packaged in a QFN-26 format, it holds AEC-Q100 qualification.

Feature Summary

• Integrated support for simultaneous Type-A and Type-C dual USB charging ports
• AEC-Q100 qualified for automotive reliability standards
• Configurable switching frequency ranging from 250 kHz to 1 MHz
• Fixed output voltage options optimized for standard USB charging protocols

Applications

• Automotive infotainment systems requiring dual USB connectivity
• Vehicle dashboard power distribution units
• Aftermarket automotive electronics with USB charging capabilities

Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required output voltages and packaging formats. Confirm that the component meets the necessary AEC-Q100 grade requirements for your target automotive application environment. Cross-reference the manufacturer's latest documentation to validate pinout assignments and thermal performance characteristics before finalizing procurement specifications.

Selection Notes

Select this component when designing automotive systems requiring integrated dual USB charging functionality. Ensure the design accommodates the specified 6 V to 36 V input range typical of vehicle electrical architectures. Consider the QFN-26 package thermal properties and verify that the chosen switching frequency aligns with electromagnetic interference constraints in the target application layout.

Part Context

This part belongs to the MPQ4253 series of synchronous step-down converters manufactured by Monolithic Power Systems. It is specifically engineered for automotive environments, distinguishing itself through AEC-Q100 certification. The series focuses on providing efficient power management solutions for modern vehicle interfaces that require standardized USB charging capabilities alongside robust voltage regulation.

Replacement Considerations

MPQ4276AGU-AEC1-Z offers similar automotive USB charging features but provides higher output current capacity.