MPQ2451GG-5-AEC1-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ2451GG-5-AEC1-Z is a non-synchronous Buck switching regulator from Monolithic Power Systems, designed for automotive applications with AEC-Q100 qualification. It features a fixed 5V output and supports up to 600mA load current. The device operates within an input voltage range of 3.3V to 36V and utilizes a 2MHz fixed switching frequency. Key electrical parameters include a quiescent current of 130µA during operation and 3µA in shutdown mode. It functions reliably across a temperature range of -40°C to +125°C and is housed in a compact QFN-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade reliability certified under AEC-Q100 standards
• Integrated high-side power MOSFET for efficient step-down conversion
• Fixed 2MHz switching frequency enables use of small external components
• Low quiescent current in shutdown mode extends battery life

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules
• Sensor power supply networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm pinout compatibility and thermal characteristics. Ensure that the QFN-6 package footprint matches the target PCB design constraints. Confirm AEC-Q100 certification status if required for specific automotive quality audits. Cross-reference the datasheet revision date to ensure alignment with latest manufacturing specifications.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required for automotive loads. The QFN-6 package offers a smaller footprint compared to SOT-23-6 variants like the MPQ2451GT-5-Z. Consider the 2MHz frequency for minimizing passive component size. Verify that the 600mA current rating meets the peak demand of the application circuit without exceeding thermal limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ2451 series of non-synchronous buck converters. It shares core electrical specifications with other members such as the MPQ2451DT-LF-Z but differs in package type and automotive qualification. The GG suffix indicates the QFN-6 package configuration, distinguishing it from GT (SOT-23-6) or DT (SOT-23-6) variants.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MPQ2451GT-5-AEC1-Z is a direct functional substitute with identical electrical performance but utilizes an SOT-23-6 package instead of QFN-6. Designers must verify mechanical fit and thermal dissipation differences between the two packages before substitution.