PD64004AH Microsemi Corporation, PD64004AH Datasheet

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PD64004AH

Manufacturer Part Number
PD64004AH
Description
QFN48-PS/POE PSE MANAGER
Manufacturer
Microsemi Corporation
Datasheet

Specifications of PD64004AH

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260
Comm_code
85423990
Lead_time
168

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FEATURES
DESCRIPTION
PD64004AH is a four-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 PD64004AH has two possible working configurations: a low-cost implementation, supporting up to
571mA and a fully IEEE802.3at-ready one. Both maintain the PD64004A Enhanced mode features, for
extended functions and added flexibility with the presence of the PD63000G MCU.
IEEE 802.3af-2003
ARCHITECTURE
TECHNOLOGY
SYSTEM ENHANCEMENT
Copyright © Microsemi 2007
Rev. April 2007
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
Compliant with standard and pre-standard IEEE
802.3af PD’s and IEEE802.3at PD’s
4-ports standalone PoE control for IEEE802.3af
and PD’s of up to 25W
2-ports PoE control for IEEE802.3at PD’s
Power classification with bypass option
AC disconnect
DC disconnect with DC modulation
Supports RFC3621
I
7-bit I
Opto-coupler compatible communication lines
Up to 88 ports operating autonomously
Best-in-industry integration
Single operating voltage source (44 to 57V)
80V SmartMOS8 technology
-40
QFN-48-PS package, ROHS compliant
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
2
C or UART host interface
o
C to +70
2
C address selectability
o
C operating ambient temperature
TM
Analog Mixed Signal Group
®
Microsemi Corporation
BENEFITS
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 1528 ports on a switch
Can be used with PD64012G
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/direct LED driving
Enables system monitoring
Per port thermal protection, including PCB
protection
4-PORT HPoE PSE MANAGER
PD64004AH
Information in this document is subject
to change without prior notice.

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