MPQ4561DQ-AEC1-LF-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ4561DQ-AEC1-LF-Z is an automotive-grade synchronous step-down converter manufactured by Monolithic Power Systems. It operates with an input voltage range of 3.8 V to 55 V and delivers a maximum output current of 1.5 A. The device supports adjustable output voltages from 800 mV to 52 V. Key electrical parameters include a switching frequency of 1 MHz, a quiescent current of 140 uA, and an operating temperature range spanning -40°C to +125°C. It utilizes a QFN-10 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive grade reliability compliant with AEC-Q100 standards
• Integrated synchronous buck topology for high efficiency
• Wide input voltage capability suitable for 12V and 24V systems

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Telematics control unit voltage regulation
• ADAS sensor module power supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official MPS documentation to confirm exact thermal and electrical specifications. Ensure component authenticity through authorized channels. Confirm RoHS compliance status prior to integration. Validate that the QFN-10 footprint matches the target PCB layout requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring robust automotive power management within a compact form factor. The wide input range accommodates various vehicle bus conditions. Evaluate thermal performance under maximum load conditions given the 1.5 A output capability. Consider the 1 MHz frequency for inductor size optimization.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ4561 family of synchronous step-down converters designed for demanding automotive environments. It shares architectural similarities with other MPS automotive regulators but is distinguished by its specific 1.5 A current rating and 55 V absolute maximum input tolerance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MP4561DQ-LF-Z: Verify if automotive qualification is required; otherwise, it offers identical electrical specifications.

Voltage Regulators - DC DC Switching Regulators FAQ

Is the MPQ4561DQ-AEC1-LF-Z qualified for automotive applications?

Yes, the component carries AEC-Q100 qualification as indicated by its model designation.

What is the maximum input voltage supported by this converter?

The device supports an input voltage range up to 55 V.