Murata Power Solutions MPE165 Eighth-Brick Isolated DC/DC Converter

Introduction

The Murata Power Solutions MPE165 is a high-performance isolated DC/DC converter designed to provide regulated 54V power from a wide DC input source. With a compact eighth-brick footprint and a maximum output capability of 165W, it is well suited to demanding distributed-power systems where efficiency, isolation, and protection are essential.

Part Description

The MPE165 is an analog-controlled, isolated DC/DC converter from Murata Power Solutions. It accepts a nominal telecom and industrial input range of 36V to 75V DC and produces a regulated 54V DC output at up to 3.1A.

Its high efficiency rating of up to 95.5% helps reduce thermal losses and simplifies cooling requirements in dense power designs. The module provides 2250VDC input-to-output isolation, supporting safer operation and improved separation between power domains.

Integrated protection features include:

• Overcurrent protection
• Overvoltage protection
• Overtemperature protection
• Remote on/off control
• Input-to-output isolation rated at 2250VDC

The eighth-brick module format makes the MPE165 practical for compact power shelves, networking hardware, industrial controllers, and high-power Power over Ethernet systems.

Applications

Potential applications for the MPE165 include:

• Telecom power distribution equipment
• 48V communication infrastructure
• Data-center networking switches and routers
• PoE and PoE++ power sourcing equipment
• Industrial Ethernet switches
• Wireless base stations and radio equipment
• Distributed power architectures
• Embedded computing platforms
• Test and measurement equipment
• Battery-backed 48V power systems
• Smart building power controllers
• Security and surveillance power systems

Industries

The MPE165 can be used across a range of industries, including:

• Telecommunications
• Data communications
• Data centers
• Industrial automation
• Transportation infrastructure
• Building automation
• Energy and power distribution
• Security and surveillance
• Wireless networking
• Test and measurement
• Medical and laboratory equipment
• Smart infrastructure

Usage Ideas

1. High-Power PoE Switch
   Use the converter to generate an isolated 54V rail for a multi-port PoE switch powering IP cameras, wireless access points, VoIP phones, or industrial sensors.

2. Telecom Power Shelf Module
   Integrate the MPE165 into a 48V telecom power shelf to supply regulated voltage to line cards, network interfaces, and auxiliary communications hardware.

3. Industrial Network Gateway
   Design an isolated power stage for an industrial Ethernet gateway or edge-computing controller operating from a 36V to 75V plant power bus.

Conclusion

The Murata Power Solutions MPE165 is a compact, efficient, and protected 165W isolated DC/DC converter for systems requiring a regulated 54V output from a 36V to 75V input supply. Its eighth-brick size, high 95.5% efficiency, 2250VDC isolation, and comprehensive protection functions make it a strong choice for telecom, datacom, industrial, and PoE power designs.