Dual-Channel Full-Bridge Converter (54V @ 30A) for PoE Power Sourcing (PSE)
PMP6712
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Description

PMP6712 is a phase-shifted full-bridge converter capable of delivering 1600W of isolated output power and achieving efficiency of greater than 96%. This design uses the UCC28950 controller in a dual phase master-slave configuration. An LM5017 constant on-time synchronous buck regulator provides bias power to primary and secondary-side circuits using a coupled inductor with isolated flyback winding. The isolation voltage is specified as 2250VDC, allowing this design to be used as a system supply for Power Over Ethernet and other telecommunications applications.

See the Important Notice and Disclaimer covering reference designs and other TI resources.


  




Parametrics
 PMP6712.1
(Output Voltage 1)
Vin (Min) (V)38
Vin (Max) (V)60
Vout (Nom) (V)54
Iout (Max) (A)30
Output Power (W)1620
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFull Bridge- Phase Shifted
POE

TI Devices (6)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ISO7420  Low Power Dual Channel Isolators  Isolation  Sample & Buy View Design Kits & Evaluation Modules
LM393  Dual differential comparator, commercial grade  Amplifiers  Sample & Buy Not Available
LM393-MIL  Dual Differential Comparator  Analog and Mixed-Signal  Not Available Not Available
LM5017  7.5-100V Wide Vin, 600mA Constant On-Time Synchronous Buck Regulator  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
UCC28950  Green Phase-Shifted Full-Bridge Controller with Synchronous Rectification  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ISO7420 Download Download
LM393 Download Download
Download Download
Download Download
Download -
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LM5017 Download Download
Download Download
TL431 Download Download
Download Download
Download -
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Download Download
Download Download
Download -
Download Download
UCC28950 Download -

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 4363 07 Jan 2013
Design files (4)
Title Type Size (KB) Date
ZIP 390 18 Jan 2013
PDF 4008 18 Jan 2013
PDF 437 18 Jan 2013
PDF 97 18 Jan 2013

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