PD64012G [MICROSEMI]

12-PORT PoE PSE MANAGER; 12端口PoE PSE管理器


型号：	PD64012G
厂家：	Microsemi
描述：	12-PORT PoE PSE MANAGER 12端口PoE PSE管理器电源电路电源管理电路
文件：	总1页 (文件大小：56K)
中文：	中文翻译
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PD64012G

12-PORT PoE PSE MANAGER

DESCRIPTION

PD64012G is a twelve-port, mixed-signal, high-voltage Power over Ethernet PSE Manager. The IC

allows the detection of IEEE 802.3af-2003 powered devices, ensuring safe power feeding and

removal over Ethernet ports. With full digital control via a serial communication interface and a

minimum of external components, the IC integrates in multi-port and highly populated Ethernet

switches.

The PD64012G has two possible working configurations: an Automatic stand-alone mode, for basic

PoE functions, and an Enhanced mode, for extended functions and added flexibility with the presence

of the PD63000G and PD83000G MCU’s.

FEATURES

BENEFITS

IEEE 802.3af-2003 and IEEE802.3at-ready

Compliant with IEEE 802.3af and pre-standard PD’s

12-ports standalone PoE control

Power classification with bypass option

AC disconnect

Freedom to power all PoE PD’s including

Cisco’s inline power

Highest integration on the market, enabling the

lowest real-estate occupation

Reliable and simple AC implementation

Supports low power devices

DC disconnect with DC modulation

Supports RFC3621

Enables integration in Managed Switches

ARCHITECTURE

I²C or UART host interface

Backwards compatible with all PD64008-based

message based user interface

7-bit I²C address selectability

Up to 1536 ports on a switch

Can be used with PD64004A

Opto-coupler compatible communication lines

Up to 96 ports operating autonomously

TECHNOLOGY

Best-in-industry integration

Minimum per port external components

No need for external DC/DC converter

Single operating voltage source (44 to 57V)

80V SmartMOS8 technology

-20^oC to +85^oC operating ambient temperature

LQFP-64 package, ROHS compliant

Power, high-voltage analog and high-density

digital logic functions

Fit for industrial applications

SYSTEM ENHANCEMENT

Per-IC soft start mechanism

Minimal power supply stress and EMI noises

System-wide inrush protection

Power management based on power allocation

and priority map, on class value or on both,

provides full flexibility and optimal power supply

usage

Internal voltages monitoring and auto reset

mechanism (Power-On_Reset)

Over-voltage and under-voltage protection/lock-out

Dynamic Power Management

Prioritization of ports in case of power reduction

Used for power supply failure conditions

Capable of powering of up to 31W over 4-pairs

Logical to physical port map

Emergency Power Management (Enhanced Mode)

Support for 4-pairs High power architecture

(Enhanced Mode)

User can receive interrupts on status or have

automatic LED driving

Maskeable Interrupt (Enhanced mode)

Programmable port matrix (Enhanced mode)

LED streaming (Enhanced mode)

Enables system monitoring

Per port thermal protection, including PCB

protection

Temperature sense/monitoring

Microsemi Corporation

Analog Mixed Signal Group

Rev. April 2007

Information in this document is subject

to change without prior notice.

This document contains information that is proprietary to Microsemi. As such, it is confidential and its disclosure is strictly prohibited by applicable law. If you and/or your company and Microsemi have

executed a Non-Disclosure Agreement, then this document is being provided in connection with the Agreement, and the information contained herein is covered by the Agreement and under its terms

may not be disclosed or used and must be protected by you and/or your company