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PDF PD64012GH Data sheet ( Hoja de datos )
| Número de pieza | PD64012GH | |
| Descripción | 12-PORT HPoE PSE MANAGER | |
| Fabricantes | Microsemi Corporation | |
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PD64012GH
® 12-PORT HPoE PSE MANAGER
TM
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.
www.DataSFhEeeAt4TUU.cRomES
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
12-ports standalone PoE control for IEEE802.3af
and PD’s of up to 25W
6-ports PoE control for IEEE802.3at PD’s
Power classification with bypass option
AC disconnect
DC disconnect with DC modulation
Supports RFC3621
ARCHITECTURE
I2C or UART host interface
7-bit I2C address selectability
Opto-coupler compatible communication lines
Up to 96 ports operating autonomously
TECHNOLOGY
Best-in-industry integration
Single operating voltage source (44 to 57V)
80V SmartMOS8 technology
-20oC to +70oC operating ambient temperature
LQFP-64 package, ROHS compliant
SYSTEM ENHANCEMENT
Per-IC soft start mechanism
System-wide inrush protection
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
Programmable port matrix
LED streaming
Temperature sense/monitoring
Freedom to power all PoE PD’s including
Cisco’s inline power
Highest integration on the market, enabling the
lowest real-estate occupation
Enables building IEEE802.3at-ready solutions
or low-cost 25W solutions
Reliable and simple AC implementation
Supports low power devices
Enables integration in Managed Switches
Backwards compatible with all PD64008-based
message based user interface
Up to 1536 ports on a switch
Can be used with PD64004A
Minimum per port external components
No need for external DC/DC converter
Power, high-voltage analog and high-density
digital logic functions
Fit for commercial applications
Minimal power supply stress and EMI noises
Power management based on power allocation
and priority map, on class value or on both,
provides full flexibility and optimal power supply
usage
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
Enables system monitoring
Per port thermal protection, including PCB
protection
Copyright © Microsemi 2007
Rev. April 2007
Microsemi Corporation
Analog Mixed Signal Group
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
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