PD69108F データシートの表示（PDF） - Microsemi Corporation

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PD69108F

8 PORTS PSE POE MANAGER

Microsemi Corporation 

PD69108/F

TM

®

8 PORTS PSE POE MANAGER

DATASHEET

PD69108 Internal Block Diagram

The PD69108 is based on two major sections:

 A Digital section which controls and monitors the logical PoE functions (state machines, timings etc.)

 An Analog section which performs the Front End analog PoE functionality.

Figure 1 illustrates both functions.

ADDR[3:0]

Digital

PG[3:0]

sync

sck

cs_n

mosi

miso

SPI

(SPI Control,

Watch Dog)

MSC

(Miscellaneous ,

Power bank,

General counter,

IC ctrl)

sync

sync

CRG

Reg

Table

(CPU/Control

Registers)

AIR

(Analog

Interface)

Analog

Voltage

Regulator

POR

CLK

Vmain

PORT 8 Tool Box

PORT 7 Tool Box

PORT 6 Tool Box

PORT 5 Tool Box

PORT 4 Tool Box

PORT 3 Toool Box

PORT 2 Tool Box

Analog

Mesurment

Thermal

Protection

Voltage

Generator for

Line Detection

& Classification

ADC

VCM

(Voltage Current

Measurement)

Full

RTP

A/D

Current Limiter

Controlled

Reference

Main MOSFET

DGND

Sense Resistor

Figure 1: PD69108 Internal Block Diagram

AGND

Copyright © 2013

Microsemi

12

Rev. 1.6

Analog Mixed Signal Group

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

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