TIDA-01411

Type 2 PoE PSE, 6kV Lightning Surge Reference Design

TIDA-01411

Design files

Overview

This reference design provides lightning surge protection solution for Power over Ethernet (PoE) Power Sourcing Equipment (PSE) systems based on TI's TPS23861 PSE controller. The need for implementing such protection will normally depend on the environment in which the PSE is intended to operate and the inherent isolation properties of the PSE. For industrial(NVR, DVR,etc) and Telecom(Ethernet switches, Gateways, etc) applications, lightning surge protection is an important design consideration in the system.

Features
  • Ethernet Alliance certified for sending Type 2 (up to Class 4) power
  • 4-port Auto Mode PoE PSE solution with TPS23861
  • Auto Mode/Semi-Auto Mode/Manual Mode provides flexibility to power standard or non standard PDs
  • Able to pass 6kV common mode surge test and 4kV differential mode surge test

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.

TIDUCY9A.PDF (2718 K)

Reference design overview and verified performance test data

TIDRUZ1.PDF (471 K)

Detailed schematic diagram for design layout and components

TIDRUZ2.PDF (58 K)

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

TIDRUZ3.PDF (375 K)

Detailed overview of design layout for component placement

TIDRUZ5A.ZIP (1430 K)

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

TIDCEC3.ZIP (325 K)

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

TIDRUZ4A.PDF (1965 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Power sourcing equipment

TPS238612-pair, type-2, 4-channel Power-over-Ethernet (PoE) PSE with autonomous mode

Data sheet document-pdfAcrobat PDF open-in-new HTML
Digital isolators

ISO7221BDual-channel, 1/1, 5-Mbps digital isolator

Data sheet document-pdfAcrobat PDF open-in-new HTML
I2C isolators

ISO15412.5-kVrms, isolated unidirectional clock, bidirectional I2C isolator

Data sheet document-pdfAcrobat PDF open-in-new HTML
Isolated DC/DC converters & modules

LM50197.5-100V Wide Vin, 100mA Constant On-Time Synchronous Buck Regulator

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide Type-2 PoE PSE, 6-kV Lightning Surge Reference Design (Rev. A) Jan. 15, 2018

Related design resources

Hardware development

EVALUATION BOARD
TPS23861EVM-612 TPS23861EVM-612 Evaluation Module for Quad IEEE 802.3at PoE PSE Controller

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