Microchip MIC9130 Handleiding

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 2018 Microchip Technology Inc. DS50002731A

MIC9130

Power Over Ethernet

IEEE802.3at PoE Plus PD

Reference Design

DS50002731A-page 2  2018 Microchip Technology Inc.

Information contained in this publication regarding device

applications and the like is provided only for your convenience

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

MICROCHIP MAKES NO REPRESENTATIONS OR

WARRANTIES OF ANY KIND WHETHER EXPRESS OR

IMPLIED, WRITTEN OR ORAL, STATUTORY OR

OTHERWISE, RELATED TO THE INFORMATION,

INCLUDING BUT NOT LIMITED TO ITS CONDITION,

QUALITY, PERFORMANCE, MERCHANTABILITY OR

FITNESS FOR PURPOSE. Microchip disclaims all liability

arising from this information and its use. Use of Microchip

devices in life support and/or safety applications is entirely at

the buyer’s risk, and the buyer agrees to defend, indemnify and

hold harmless Microchip from any and all damages, claims,

suits, or expenses resulting from such use. No licenses are

conveyed, implicitly or otherwise, under any Microchip

intellectual property rights unless otherwise stated.

Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

• Microchip is willing to work with the customer who is concerned about the integrity of their code.

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts

allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

Microchip received ISO/TS-16949:2009 certification for its worldwide

headquarters, design and wafer fabrication facilities in Chandler and

Tempe, Arizona; Gresham, Oregon and design centers in California

and India. The Company’s quality system processes and procedures

are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping

devices, Serial EEPROMs, microperipherals, nonvolatile memory and

analog products. In addition, Microchip’s quality system for the design

and manufacture of development systems is ISO 9001:2000 certified.

QUALITYMANAGEMENTS

YSTEM

CERTIFIED BY DNV

====

ISO/TS16949==

====

Trademarks

The Microchip name and logo, the Microchip logo, AnyRate, AVR,

AVR logo, AVR Freaks, BeaconThings, BitCloud, chipKIT, chipKIT

logo, CryptoMemory, CryptoRF, dsPIC, FlashFlex, flexPWR,

Heldo, JukeBlox, KEE EELOQ, K LOQ logo, Kleer, LANCheck, LINK

MD, maXStylus, maXTouch, MediaLB, megaAVR, MOST, MOST

logo, MPLAB, OptoLyzer, PIC, picoPower, PICSTART, PIC32

logo, Prochip Designer, QTouch, RightTouch, SAM-BA, SpyNIC,

SST, SST Logo, SuperFlash, tinyAVR, UNI/O, and XMEGA are

registered trademarks of Microchip Technology Incorporated in

the U.S.A. and other countries.

ClockWorks, The Embedded Control Solutions Company,

EtherSynch, Hyper Speed Control, HyperLight Load, IntelliMOS,

mTouch, Precision Edge, and Quiet-Wire are registered

trademarks of Microchip Technology Incorporated in the U.S.A.

Adjacent Key Suppression, AKS, Analog-for-the-Digital Age, Any

Capacitor, AnyIn, AnyOut, BodyCom, CodeGuard,

CryptoAuthentication, CryptoCompanion, CryptoController,

dsPICDEM, dsPICDEM.net, Dynamic Average Matching, DAM,

ECAN, EtherGREEN, In-Circuit Serial Programming, ICSP, Inter-

Chip Connectivity, JitterBlocker, KleerNet, KleerNet logo, Mindi,

MiWi, motorBench, MPASM, MPF, MPLAB Certified logo, MPLIB,

MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation,

PICDEM, PICDEM.net, PICkit, PICtail, PureSilicon, QMatrix,

RightTouch logo, REAL ICE, Ripple Blocker, SAM-ICE, Serial

Quad I/O, SMART-I.S., SQI, SuperSwitcher, SuperSwitcher II,

Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan,

WiperLock, Wireless DNA, and ZENA are trademarks of Microchip

Technology Incorporated in the U.S.A. and other countries.

SQTP is a service mark of Microchip Technology Incorporated in

the U.S.A.

Silicon Storage Technology is a registered trademark of Microchip

Technology Inc. in other countries.

GestIC is a registered trademark of Microchip Technology

Germany II GmbH & Co. KG, a subsidiary of Microchip Technology

Inc., in other countries.

All other trademarks mentioned herein are property of their

respective companies.

ISBN: 978-1-5224-2804-6

MIC9130

POWER OVER ETHERNET

IEEE802.3AT POE PLUS PD

REFERENCE DESIGN

 2018 Microchip Technology Inc. DS50002731A-page 3

Table of Contents

Preface ........................................................................................................................... 5

Introduction............................................................................................................ 5

Document Layout .................................................................................................. 5

Conventions Used in this Guide ............................................................................ 6

Recommended Reading........................................................................................ 7

The Microchip Web Site ........................................................................................ 7

Customer Support ................................................................................................. 7

Document Revision History ................................................................................... 7

Chapter 1. Product Overview

1.1 Introduction ..................................................................................................... 9

1.2 MIC9130 Short Overview ............................................................................... 9

1.3 MIC9130 Key Features .................................................................................. 9

1.4 What Is the MIC9130 Power Over Ethernet Reference Design? ................. 10

1.5 What Does the MIC9130 Power Over Ethernet

Reference Design Kit Include? .............................. ........................... .......... 12

Chapter 2. Installation and Operation

2.1 Introduction ................................................................................................... 13

2.2 Board Features ............................................................................................. 13

2.3 How Does the MIC9130 Power Over Ethernet Work? ................................. 13

2.4 Setup and Testing the Board Procedure ...................................................... 14

2.4.1 Board Setup with PSE ............................................................................... 14

2.4.2 Board Discrete Setup ................................................................................ 14

2.5 Powered Device (PD) Controller Circuit ....................................................... 15

2.5.1 Detection Signature ................................................................................... 15

2.5.2 Classification ............................................................................................. 15

2.5.3 Front End Analog Handshaking Limits ...................................................... 15

2.5.4 Power Mode .............................................................................................. 16

Appendix A. Schematic and Layouts

A.1 Introduction .................................................................................................. 17

A.2 Board – Schematic ....................................................................................... 18

A.3 Board – Top Silk Layer ................................................................................ 19

A.4 Board – Top Copper and Silk Layer ............................................................. 20

A.5 Board – Top Copper Layer .......................................................................... 21

A.6 Board – Bottom Copper Layer ..................................................................... 22

A.7 Board – Bottom Copper and Silk Layer ....................................................... 23

A.8 Board – Bottom Silk Layer ........................................................................... 24

Product specificaties

Merk:	Microchip
Categorie:	Niet gecategoriseerd
Model:	MIC9130

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