MP4255GVE-0002-Z

Overview

The MP4255GVE-0002-Z is a dual synchronous buck converter from Monolithic Power Systems designed for power delivery applications. It operates with an input voltage range of 4 V to 36 V and provides two independent outputs adjustable from 1 V to 36 V. Each channel supports up to 3 A of output current. The device features a high switching frequency of 2.1 MHz, enabling the use of compact external components. It includes I2C interface control for configuration and monitoring. The IC is housed in a QFN-21 package and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Dual-channel synchronous buck topology supporting independent output regulation
• I2C digital interface for programmable control and system monitoring
• Wide input voltage capability suitable for various power delivery standards
• Integrated shutdown functionality for power management optimization

Applications

• Power delivery systems requiring multiple regulated rails
• Portable electronics with complex power distribution needs
• Industrial equipment utilizing wide input voltage ranges
• Consumer devices needing compact multi-output power solutions

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct pinout and electrical specifications. Confirm RoHS compliance status through the specific datasheet provided by Monolithic Power Systems. Check for any recent revisions or obsolescence notices directly from the supplier before finalizing procurement plans.

Selection Notes

Select this component when a dual-output solution is required with digital control capabilities. The 2.1 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Ensure the application requires inputs up to 36 V and outputs capable of reaching 36 V. Verify that I2C bus compatibility matches the host controller requirements.

Part Context

This device belongs to the MP4255 series of power management integrated circuits. It is categorized under switching voltage regulators and PMICs. The QFN-21 package facilitates surface-mount assembly. It is distinct from single-output converters and buck-boost variants within the manufacturer's portfolio.

Replacement Considerations

Consult official substitution lists for direct equivalents. Cross-reference pinouts and electrical parameters carefully if considering alternative manufacturers. No specific substitute part numbers are confirmed in the provided data.