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

(ACTIVE) TIDA-00539

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

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  




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 Order Options 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-Channel NexFET™ Power MOSFET  Power MOSFET  Sample & Buy View Design Kits & Evaluation Modules
TL431A  Adjustable Precision Shunt Regulator  Voltage Reference  Sample & Buy Not Available
TPS2378  IEEE 802.3at PoE High-Power PD Interface with AUX Control  Power Over Ethernet (PoE)/LAN Solutions  Sample & Buy View Design Kits & Evaluation Modules
UCC2897A  Advanced Current-Mode Active Clamp PWM Controller  Offline and Isolated DC/DC Controllers and Converters  Sample & Buy View Design Kits & Evaluation Modules

Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 519 20 May 2015 360
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 2922 20 May 2015 94
PDF 252 20 May 2015 20
PDF 293 20 May 2015 195


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