UPOE High-Efficiency Flyback Converter (19V/2.3A) for Forced 4-Pair PoE PD Apps Reference Design TIDA-00539 (ACTIVE)

Description & Features

Technical Documents

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Key Document

Description

TIDA-00539 uses two TPS2378 PD controllers for a forced 4-pair UPOE solution to 51W non-standard PoE PD applications. It incorportates the UCC2897A controller in a high-efficiency, great transient response (driven) synch flyback converter capble of 19V at 2.3A.

Features
  • Forced 4-Pair UPOE (51W)
  • 93% high efficiency (converter only)
  • Test Report is Included
  • Evaluation Board can be purchased

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Schematic/Block Diagram

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Test Data

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Design Files

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Parametrics
 TIDA-00539.1
(Output Voltage 1)
Vin (Min) (V)42.5
Vin (Max) (V)57
Vout (Nom) (V)19
Iout (Max) (A)2.3
Output Power (W)43.7
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Synchronous
POE
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Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

TPS2378EVM-602 :
Dual TPS2378 PoE PD for Forced UPOE 51W High Power Four-Pair PoE Applications

$99.00(USD)


Pricing may vary.



ACTIVE
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TI Devices (4)

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
CSD18504Q5A  40V, N ch NexFET MOSFET™, single SON5x6, 6.6mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
TPS2378  IEEE 802.3at PoE High-Power PD Interface with AUX Control  Power over Ethernet (PoE)  Sample & Buy View Design Kits & Evaluation Modules
UCC2897A  Advanced Current-Mode Active Clamp PWM Controller  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)
CSD18504Q5A VSONP (DQJ)| 8 Download Download
TL431 Download Download
Download Download
Download -
Download Download
Download Download
Download Download
Download Download
Download -
Download Download
TPS2378 Download
UCC2897A Download Download
Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 519 20 May 2015
Design files (3)
Title Type Size (KB) Date
ZIP 2922 20 May 2015
PDF 252 20 May 2015
PDF 293 20 May 2015

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