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and its subsidiaries

Data Sheet

DS00003428E-page 1

PD69208T4/PD69204T4/

PD69208M

PoE PSE Manager

Introduction

Microchip's PD69208T4, PD69204T4, and PD69208M Power over Ethernet (PoE) manager ICs integrate power,

analog, and state-of-the-art logic into a single 8 mm × 8 mm, 56-pin, plastic QFN package. The device is used in

conjunction with a Microchip PSE controller or an Ethernet switch processor from a supported third-party vendor to

provide an IEEE

®

802.3af/at/bt or Power over HDBase (PoH) Power Sourcing Equipment (PSE) solution.

Typical PoE Application

The following figure shows the typical PoE application of Microchip Generation 6 devices.

Figure 1. Typical PoE Application with Microchip Controller

UART/I

2

C

VSSA VSS

VDDA VDD

MOSI

To Host

PD69210

PD69220

PD69200

PoE Controller

SCK

xCS

MISO

Isola�on

MOSI

SCK

xCS

MISO

IREF

DGNDAGND

PGD<0:3>

Power

Supply

Monitoring

VAUX5VAUX3P3VMAIN

5V3.3VVMAIN

PD69208T4

PD69204T4

PD69208M

PoE Manager

VMAIN

VMAIN

PORT_NEG0

PORT_NEG7

(PD69208T4/M)

PORT_NEG3

(PD69204T4)

Required for

IEC62368-1 Ed.2

P

SYSTEM

>250W

System Bulk

Capacitor

Required for

IEC62368-1 Ed.2

P

SYSTEM

>250W

F

F

Consult Microchip AN3361 Designing an IEEE 802.3af/at/bt PoE System Based on PD692x0/PD69208.

Product specificaties