PD64012GH

更新时间： 2024-11-18 03:42:51

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
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1页	56K
描述
12-PORT HPoE PSE MANAGER

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PD64012GH 数据手册

PD64012GH

12-PORT HPoE PSE MANAGER

DESCRIPTION

PD64012GH is a twelve-port, mixed-signal, high-voltage High 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. It also supports pre-standard IEEE802.3at devices consuming up to 59.5W. 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 PD64012GH has two possible working configurations: a low-cost implementation, supporting up to

571mA and a fully IEEE802.3at-ready one. Both maintain the PD64012G Enhanced mode features, for

extended functions and added flexibility with the presence of the PD63000G MCU.

FEATURES

BENEFITS

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

Compliant with standard and pre-standard IEEE

802.3af PD’s and IEEE802.3at PD’s

Freedom to power all PoE PD’s including

Cisco’s inline power

12-ports standalone PoE control for IEEE802.3af

and PD’s of up to 25W

Highest integration on the market, enabling the

lowest real-estate occupation

6-ports PoE control for IEEE802.3at PD’s

Power classification with bypass option

AC disconnect

Enables building IEEE802.3at-ready solutions

or low-cost 25W solutions

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 +70^oC operating ambient temperature

LQFP-64 package, ROHS compliant

Power, high-voltage analog and high-density

digital logic functions

Fit for commercial 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

IEEE802.3at Layer 2 classification support

Dynamic Power Management

Emergency Power Management

Support for 4-pairs High power architecture

Maskeable Interrupt

Prioritization of ports in case of power reduction

Used for power supply failure conditions

Capable of powering of up to 59W over 4-pairs

Logical to physical port map

User can receive interrupts on status or have

automatic LED driving

Programmable port matrix

Enables system monitoring

LED streaming

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

中文翻译

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