MP5479GRM-0003-Z

Overview

The MP5479GRM-0003-Z is a Monolithic Power Systems PMIC featuring four step-down converters and nine total outputs. It operates with an input voltage range of 2.7V to 5.5V. The device includes load regulation of 0.5% and an operating supply current of 300uA. It is housed in a QFN-26 package (3.5x4.5mm). This integrated circuit provides flexible power management for complex system architectures requiring multiple regulated rails.

Feature Summary

• Integrates four independent buck converters within a single compact package
• Provides nine distinct output voltages from a single input source
• Supports I2C configuration and MTP programming for customized settings
• Features low quiescent current for improved system efficiency

Applications

• Portable electronic devices requiring multi-rail power distribution
• Industrial control systems with mixed voltage requirements
• Communication equipment needing stable, regulated power supplies
• Consumer electronics utilizing high-density power management solutions

Procurement Notes

Verify the specific suffix GRM-0003-Z against official MPS documentation to ensure correct pinout and thermal characteristics. Confirm RoHS compliance status through the manufacturer's latest datasheet. Check for obsolescence notices as this part may have limited availability or replacement recommendations. Ensure ESD handling procedures are followed during assembly due to the small form factor.

Selection Notes

Select this component when a design requires four synchronized buck converters and additional LDOs from a single IC. It is suitable for applications where board space is constrained and multiple voltage levels are necessary. Consider the 2.7V to 5.5V input range compatibility with your system's main power rail. Evaluate the thermal performance of the QFN-26 package against your enclosure's heat dissipation capabilities.

Part Context

This part belongs to the MP5479 series of power management ICs from Monolithic Power Systems. It is designed as a highly integrated solution for systems that previously required multiple discrete regulators. The QFN-26 package allows for compact PCB layouts. It serves as a central power distribution unit for various digital and analog subsystems.

Replacement Considerations

Official documentation indicates using MP5479GRM-0003-Z directly; no alternative substitutes are listed in the provided data.