P

Preliminary

Microsemi

Analog Mixed Signal Group

1 Hanagar st., P.O/ Box 7220 Hod Hasharon 45421, Israel Tel: +972-9-7755100 Fax: +972-9-7755111

page

1

Copyright

© 2008

Rev. 0.4 2008-05-08

Introduction ________________

The PD64001 is a single-port Power over Ethernet

PSE (Power Source Equipment) Manager. The PSE

Manager allows for the detection of IEEE 802.3af-

2003 and IEEE802.3at/D3.0 powered devices,

ensuring safe power feeding and monitoring of

Ethernet ports. With a minimum of external

components, the PD64001 integrates in a one-port or

two- port PoE-port switches and Midspans.

The PD64001 has several operating modes, allowing

it to be tailored to the customer application, be it a

Switch

or

a

Midspan,

IEEE802.af

or

IEEE802.3at/D3.0-compliant, with 1-event or 2-

events classification, AC or DC disconnect and strict

resistor detection or legacy detection capabilities. It

operates in a total stand-alone mode, with no need

for user intervention.

The PD64001 supports 2-events classification and

operates at Iport_max currents of up to 720mA per

port,

making

it

fully

compliant

with

the

IEEE802.3at/D3.0

This datasheet includes a complete application note

and provides detailed information and circuitry design

guidelines for the implementation of a 1-port Power

over Ethernet (PoE) system, based on Microsemi’s™

1-channel PoE device- the PD64001.

This document allows the designer to integrate PoE

capabilities, as specified in the IEEE802.3af standard

into an Ethernet switch, Midspan or a Router.

Applicable Documents

__________

♦ IEEE802.3af-2003

♦ IEEE802.3at/D3.0

Pin Configuration _____________

Features

_____________________

♦ IEEE 802.3af-2003-compliant

♦ IEEE802.3at/D3.0 compliant

♦ Supports Iport_max of 720mA

♦ Programmable solution, can be updated as the

IEEE802.3at standard evolves

♦ Accurate power measuring and extremely low

power dissipation

♦ BOM and software tailored for specific

application saving total solution cost

♦ Minimal power supply stress and EMI noises

♦ Legacy (pre-standard) PD’s detection

♦ 1-port standalone PoE control

♦ 1-event and 2-event classification supported

♦ External FET and sense resistor

♦ AC and DC disconnect

♦ Detection of the disconnection method by

assembled resistor

♦ Port On/Off Host interface

♦ Single operating voltage source

♦ Direct LED driving including IEEE802.3at

indication

♦ SOIC-20 package

♦ RoHS compliant

Ordering Information__________

PART

TEMP. RANGE

PIN PACKAGE

PD64001

-40

°C to +85°C

SOIC-20

Evaluation board ordering number - PD-IM-73001