Isolated, Low Cost, Non-Synchronous PoE PD Power Supply Reference Design
PMP717
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Description

The PMP717 reference design intended to ease implementation of PoE in devices such as IP phones, WLAN AP's and security cameras. The reference design uses a TPS2375 PoE Powered Device Controller to implement all necessary detection, classification, inrush current limiting, UVLO and switch FET control necessary to be compliant with the IEEE802.3af Power-over-Ethernet standard. A UCC3809 Economy Primary Side Controller is used to generate 3.3V at 1.5A from the 48V PoE input. The design is optimized for low cost and smallest board area possible.


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Part Number Status Vin  (Min)  (V)  

PMP717:
Isolated, Low Cost, Non-Synchronous PoE PD Power Supply Reference Design

ACTIVE 1  

TI Devices (3)

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
TPS2375  Class 3 PoE PD with latch protection  Power over Ethernet (PoE) ICs  Sample & Buy View Design Kits & Evaluation Modules
TPS2376  Class 3 PoE PD with adjustable UVLO threshold & latch protection  Power over Ethernet (PoE) ICs  Sample & Buy View Design Kits & Evaluation Modules
TPS2377  Class 3 PoE PD with legacy UVLO threshold & latch protection  Power over Ethernet (PoE) ICs  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS2375 Download Download
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TPS2376 Download Download
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TPS2377 Download Download
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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 documentation
Design files (2)
Title Type Size (KB) Date
PDF 32 11 Jul 2005
PDF 96 11 Jul 2005

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