PD70211EVB72FW-12

PD70211EVB72FW-12 Datasheet


PD7211EVB72FW-12

Part Datasheet
PD70211EVB72FW-12 PD70211EVB72FW-12 PD70211EVB72FW-12 (pdf)
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PD7211EVB72FW-12
72W Isolated Forward Converter PD

Evaluation Board

PD70211EVB72FW-12 12V/72W Isolated Active Clamp Forward Converter PD

Evaluation Board User Guide

PD70211EVB72FW-12
72W Isolated Forward Converter PD

Evaluation Board
1 About this guide

This user guide provides both description and operation procedures for Microsemi's PD70211EVB72FW-12 evaluating board. This board is used for evaluating the performance of PD70211A PD controller with integrated switching regulator, and PD70224 Dual MOSFET Based Active Bridge Rectifier.

PD70211ILQ device supports both the standard IEEE802.3at PD application interface, and a PWM controller that is used to provide the PD operational voltage.

The evaluation board supports a 72 Watt, 12V output in its existing configuration, with no heat sink, at room temperature.

Audience

This user guide is intended for qualified personnel, meaning operators and technicians who have a background in basic concepts of electronics.

Organization

This guide is divided into several sections as follows:
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Introduction Provides an overview about evaluation board’s main functions, features, physical characteristics and ordering information. Physical Description Provides explanation related to the physical description switches, jumpers, connectors . Electrical Characteristics Provides electrical characteristics of the evaluation board. Installation Provides description of the installation process. Test Data Provides board test data information

Schematic Provides board schematic diagram

List of Material Provides board’s list of materials.

Board Layout Provides board Gerber files description for all layers..

Reference Documents

PD70211 datasheet, catalogue number DS_PD70211 PD70224 datasheet, catalogue number DS_PD70224 PD System Layout Guidelines, catalogue number AN208 Implementing Auxiliary Power in PoE, catalogue number TN_214

Microsemi

CPG PoE BU One Enterprise, Aliso Viejo, CA 92656, USA

Page 2 of 24

PD70211EVB72FW-12
72W Isolated Forward Converter PD

Evaluation Board
2 Introduction

Microsemi’s PD70211ILQ device is part of a family of devices which are targeted for realizing the 802.3at standard PD interface.

The PD interface family of devices includes the following:

Device type Power capability

Integrates PWM controller

PD70100

IEEE802.3at Type 1

IEEE802.3 af level

PD70101

IEEE802.3at Type 1

IEEE802.3 af level

PD70200

IEEE802.3at Type 2

PD70201

IEEE802.3at Type 2

PD70210 A 2 x IEEE802.3at Type 2 4 pair

HDBaseT 95W

PD70211
2 x IEEE802.3at Type 2 4 pair

HDBaseT 95W

Microsemi’s PD70211EVB72FW-12 Evaluation Board see Figure 2 provides designers with an environment needed for evaluating the performance and implementation of PD applications based on PD70211 controller.

The board is using a single PD controller, PD70211ILQ, to support the Detection, Class, and Power Supplying phases on the 4 Pairs of the Cat5 cable. The board supports sync detection of the 4 pairs. PD70211ILQ supports the current of the HDBaseT over 4 Pairs, which is more than twice the power of a standard IEEE802.3AT Type 2 interface.

All necessary steps and connection instructions required to install and operate this board are provided within this document.
48V Wall Adapter

Wall Adapter Detection

Vin Combined

CoRmJb4in5eDdaRtaJ4+5 & Pulse PTorawnesrformer

PD70224 Active Mosfet Bridges

PD70211 Based VViinn ttoo V2o4uVt
Evaluation Boards Ordering Information

Microsemi supplies the following Evaluation Board as shown below:
Ordering Number

PD70211EVB72FW-12
2 x IEEE802.3at Type 2 4 pair PD based on PD70211 device having 4 pair supply, controlling an isolated Forward converter, having a 12V 6 Amp output.

Microsemi

CPG PoE BU One Enterprise, Aliso Viejo, CA 92656, USA

Page 4 of 24

PD70211EVB72FW-12
72W Isolated Forward Converter PD

Evaluation Board

Evaluation Board Features
• Designed to support Data and Spare current by a single PD70211A device
• Power is supplied through the 4-pairs of the Cat5 cable
• Wall Adapter input Standard Barrel Jack available for connecting to an external 48-54V

Wall Adapter.
• Data pass-through connector
• On board PSE class type LED indicators
• On board AT detected LED indicator
• On board 4P_AT detected LED indicator
• On board HD detected LED indicator
• On board 4P_HD detected LED indicator
• On board Power Good LED indicator which may be configured to monitor PD Front End or

VPP UVLO.
• Ta -40° to +70°C with derating curve
• RoHS compliant

Physical Characteristics

Table 1 lists evaluation board’s physical characteristics. Table 1 Physical Characteristics

Parameter Mechanical dimensions in mm

Value 202 x 57 x 16 mm L x W x H

Microsemi

CPG PoE BU One Enterprise, Aliso Viejo, CA 92656, USA

Page 5 of 24

PD70211EVB72FW-12
72W Isolated Forward Converter PD

Evaluation Board
3 Physical Description

Package Contents

Upon opening the Evaluation Board package, verify the following part is included. If it seems damaged, contact local representative or Microsemi's headquarters. Package content for standard shipments is:
• PD70211EVB72FW-12 Evaluation Board.
• Wall Adapter Input Cable

Connectors

The following sections provide both general and detailed information regarding unit’s connectors.

Connectors Table

Table 2 lists the Evaluation Board's connectors. Table 2 Connectors List
# Connector

Name

RJ45 Connector

RJ45 port for Data + Power In for PSE connection

Standard Barrel Jack used for 48V Wall Adapter. Wall

Wall Adapter Input
adapter connection will be automatically sensed and will
override the PSE power connected to J1.

Converter Output

Terminal pins for connecting a load to 5V output. J3 provides screw terminals for easy connection
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Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived PD70211EVB72FW-12 Datasheet file may be downloaded here without warranties.

Datasheet ID: PD70211EVB72FW-12 649101