Microsemi PD70101EVB F Series Manual de usuario

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

PD70101EVBxF / PD70101EVBxFC

Evaluation Board User Guide

Revision 0.3

PRODUCTION DATA – Information contained in this document is proprietary to

Microsemi and is current as of publication date. This document may not be

modified in any way without the express written consent of Microsemi. Product

processing does not necessarily include testing of all parameters. Microsemi

reserves the right to change the configuration and performance of the product and

to discontinue product at any time.

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

1 0BAbout this Guide

This user guide provides both description and operation procedures for Microsemi's PD70101EVBxF and

PD70101EVBxFC boards.

All of these board types are used for evaluating the performance of PD70101 PD applications.

The existing boards’ types support a range of 3.3 - 13 Watts PDs with and without Standby Mode.

1.1 7BAudience

This user guide is intended for qualified personnel, meaning operators and technicians who have a background in

basic concepts of electronics.

1.2 8BOrganization

This guide is divided into several sections as follows:

•Chapter 1 About this Guide: Describes the objectives, audience, and organization.

•Chapter 2 Introduction: Provides an overview about evaluation board’s main functions,

features, physical characteristics and ordering information.

•Chapter 3 Physical Description: Provides explanation related to the physical

description (switches, jumpers, connectors).

•Chapter 4 Electrical Characteristics: Provides electrical characteristics of the

evaluation board.

•Chapter 5 Installation: Provides description of the installation process.

•Chapter

6 Schematic: Provides board schematic diagram

•Chapter

7 List of Materials: Provides board’s list of materials.

1.3 9BReference Documents

PD70101 datasheet, catalogue number DS_PD70101_70201

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

2 1BIntroduction

Microsemi’s PD70101EVBxF Evaluation Board (see Figure 2) provides designers with the needed environment to

evaluate the performance and implementation of PD applications based on PD70101 PD-chip. The evaluation

board enables PD designers to evaluate Microsemi's PD-chip solution.

All necessary steps and connection instructions required to install and operate this board are provided within this

document.

PD70101

Based

Vin to Vout

DCDC

Data

out

RJ45

Data

Power

Wall

adapter

Pulse

XFMR

Vout

conn

Diode

Bridge

Vin

Combined

Vin

3.3V

Figure 1: PD70101EVBxF Block Diagram

Figure 2: PD70101EVB6F Evaluation Board – General View

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

2.1 10BEvaluation Boards Ordering Information

Microsemi’s supplies the following Evaluation Boards:

2.2 11BEvaluation Board Features

Designed to support one PD-chip application (2-pairs)

Two RJ45 connectors (Data and Power In, Data Out)

Optional Wall adapter – DC in connector

Output voltage connector.

On board LED indicator

Pulse transformers and common mode chocks

Evaluation Board working temperature: 0° to +70°C

RoHS compliant

Optional standby circuitry

2.3 12BEvaluation Board Interfaces and Connections

Board has several interfaces:

RJ45 Interface: Running from PSE side to PD (powered device), based on PD70101 (CON1)

Vin Connectors: DC in, alternative wall adapter connection (CON2)

LEDs Indication: Power good LED indication (D5)

Output Voltage Connector: 3.3V or 5V based on EVB type (J1)

2.4 13BPhysical Characteristics

Table 1 lists evaluation board’s physical characteristics.

Table 1: Physical Characteristics

Parameter Value

Mechanical dimensions in mm 76 x 65 x 29 mm (L x W x H)

Ordering Number Description

PD70101EVB3F IEEE802.3 Type 1 PD based on PD70101 device controlling an isolated

flyback converter, having a 3.3V 1Amp output.

PD70101EVB3FC

IEEE802.3 Type 1 PD based on PD70101 device controlling an isolated

flyback converter, having a 3.3V 1Amp output. The board comprises a

standby mode for minimum PSE power consumption.

PD70101EVB6F IEEE802.3 Type 1 PD based on PD70101 device controlling an isolated

flyback converter, having a 5V 1.2Amp output.

PD70101EVB6FC

IEEE802.3 Type 1 PD based on PD70101 device controlling an isolated

flyback converter, having a 5V 1.2Amp output. The board comprises a

standby mode for minimum PSE power consumption.

PD70101EVB15F IEEE802.3 Type 1 PD based on PD70101 device controlling an isolated

flyback converter, having a 5V 2.6Amp output.

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

3 2BPhysical Description

3.1 14BPackage Contents

Upon opening the Evaluation Board package, verify the following part is included. If it seems damaged, contact the

local representative or Microsemi's headquarters. Package content for standard shipments is:

PD70101EVBxF Evaluation Board

3.2 15BConnectors

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

3.2.1 21BConnectors Table

Table 2 lists the Evaluation Board's connectors.

Table 2: Connectors List

#Connector Name Description

1 CON1 RJ45 Connector RJ45 port for Data and Power In for PSE connection

2 CON2 RJ45 Connectors RJ45 port for Data Out for PD data connection

3 J2 Optional Wall Adapter

Optional DC in connection for powering the board

instead of CON1.

Insertion of wall adapter connector disconnects CON1.

4 J1 Converter Output A terminal block for connecting a load to output

regulator

3.2.2 22BConnectors Detailed Explanation

(The numbering is in reference to the numbers listed in Table 2.)

1. RJ45 Connectors (CON1)

There are two dedicated RJ45 connectors, See Figure 3.

Table 3: RJ45 Connectors

CON2 Pin No Signal Name Description

1, 2, 3, 4, 5, 6, 7, 8 Data Out Data output to PD

CON1 Pin No Signal Name Description

1, 2 Data and Power In Data and power input to powered device (PoE Master

Negative data port)

3, 6 Data and Power In Data and power input to powered device (PoE Master

Positive data port)

4, 5 Data and Power In Data and power input to powered device (PoE Master

Negative data port)

7, 8 Data and Power In Data and power input to powered device (PoE Master

Positive data port)

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

Figure 3: Front RJ45 and Wall Adapter Connectors

2. Vin Connectors (J2)

DC in connection can be used to power Evaluation Board instead of RJ45 PSE connection

44V > Vin > 57VDC.

Table 4: Vin Connectors

Pin No. Signal Name Description

External ring Vmain (Vin -) Negative input voltage

Internal pin Vmain (Vin +) Positive input voltage

Manufacturer: TAl CHUNG ELECTRONIC COMPONENT PARTS CO., LTD.

Manufacture part number: TC18-013-02

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

3. Vout Connectors

See Figure 4.

J1 –DCDC output connection, used for connecting to external load.

Table 5: J1 Connectors

Pin No. Signal Name Description

1 – Left Vout Positive DCDC output voltage

2 – Right GND Return of DCDC output voltage

Figure 4: Vout Connectors

4. LED Indication

See Figure 5.

D5 is the Power_GOOD indication LED, a PD70101 device output signal indicating device's isolation switch is

operated.

Figure 5: Power_Good LED Indication

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

5. Sleep Circuitry

See Figure 6.

PD70101EVBxFC boards feature Sleep circuitry for disabling the PWM controller while the PD goes to Sleep

Mode. “Sleep Control Circuitry” section in paragraph 6 Schematic is assembled for enabling this feature.

PD70101EVBxFC boards feature shuts down the PWM controller side by applying a pulse on sleep signal; this is

done by shorting TPs "SLEEP" and "SLEEPGND" next to the output voltage connector. These signals are part of

the Isolated Side of the DCDC converter.

This event shuts down the PWM controller side and turns on Sleep Mode LED (D2). In this mode the circuit

consumes the minimum current (10mA) for keeping the PSE side in state.

When Wake up is needed, a short between "WAKEUP" and "WAKEGND" TPs re-operates the PWM side, rising

the output voltage up again. These signals are part of the non-isolated Side of the DCDC converter.

This feature utilizes an external 555 device (U12 on the board) which latches the sleep mode.

Figure 6: Sleep Mode Control

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

4 3BElectrical Characteristics

Evaluation board’s electrical characteristics are described below:

Table 6: Electrical Characteristics

Parameter Symbol Min. Max. Units

Main DC Supply – Vmain 44 57 V

Port Isolation to Chassis - 1.5 kVrms

All Communication's Isolation to

Chassis - 1.5 kVrms

PD70101EVBxF / PD70101EVBxFC Evaluation Board – User Guide

Rev. 0.3, 8-Dec-11 Analog Mixed Signal Group

1 Enterprise, Aliso Viejo, CA 92656, USA; Phone (USA): (800) 713-4113, (ROW): (949) 221-7100 Fax: (949) 756-0308

5 4BInstallation

This chapter describes the steps required to install and operate Evaluation Board with any PoE application.

5.1 16BPreliminary Considerations and Safety Precautions

Verify board's power supply is turned on before peripheral devices are turned on.

5.2 17BInitial Configuration

Note: It is important to verify Evaluation Board is setup as shown in Figure 7 prior to starting any operation.

1. Connect load to main board (J1).

2. Connect a power cable from power supply to Evaluation Board (CON1).

3. Connect Ethernet Cable from Evaluation Board (CON2) to Ethernet Host.

Ethernet

cable

Powered

Device

Load

Power

Cable

DC output

PSE

Figure 7: Test Setup

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