PMP10812

Class 2 Non-isolated PoE Buck Converter (5V/1A) Reference Design

PMP10812

Design files

Overview

The PMP10812 reference design is ideal for Class 2 PoE PD applications that do not require isolation.  The TPS2378 PD controller provides the interface to the PSE.  The LM5010 buck converter has an integrated high side FET and external low side diode rectifier for low cost.

Features
  • Non-isolated 5V/1A output
  • Diode rectifier for low cost
  • Small size, 1.5 x 1.5 inches
Output voltage options PMP10812.1
Vin (Min) (V) 36
Vin (Max) (V) 57
Vout (Nom) (V) 5
Iout (Max) (A) 1
Output Power (W) 5
Isolated/Non-Isolated Non-Isolated
Input Type DC
Topology Buck- Non Sync^POE
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUDU6.PDF (633 K)

Test results for the reference design, including efficiency graphs, test prerequisites and more

TIDRTG6.PDF (139 K)

Detailed schematic diagram for design layout and components

TIDRTG7.PDF (102 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRTG8.PDF (70 K)

Detailed overview of design layout for component placement

TIDRTH0.ZIP (447 K)

Files used for 3D models or 2D drawings of IC components

TIDCE00.ZIP (303 K)

Design file that contains information on physical board layer of design PCB

TIDCE01.ZIP (787 K)

Design file that contains information on physical board layer of design PCB

TIDRTG9.PDF (445 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AC/DC & DC/DC converters (integrated FET)

LM50108-75V Wide Vin, 1A Constant On-Time Non-Synchronous Buck Regulator

Data sheet: PDF | HTML
Powered devices

TPS2378IEEE 802.3at PoE High-Power PD interface with AUX Control

Data sheet: PDF | HTML

Technical documentation

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Type Title Date
* Test report PMP10812 Test Results Nov. 17, 2017

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