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PD64004A 4-port PoE PSE Manager
PD64004A is a four-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 PD64004A has three possible working configurations: an Automatic stand-alone mode, for basic PoE functions, the PoE+ Mode supporting legacy devices and autonomous operation with the PD33000G MCU and an Enhanced mode, for extended functions and added flexibility with the PD63000G and PD83000G MCU's. Features Benefits
IEEE 802.3af-2003
Compliant with IEEE 802.3af and pre-standard PD's 4-ports standalone PoE control Power classification with bypass option AC disconnect DC disconnect with DC modulation Supports RFC3621 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 Enables integration in Managed Switches
Architecture
I2C or UART host interface 7-bit I2C address selectability Opto-coupler compatible communication lines Up to 88 ports operating autonomously Backwards compatible with all PD64008based message based user interface Up to 1528 ports on a switch Can be used with PD64012G
Technology
Best-in-industry integration Single operating voltage source (44 to 57V) 80V SmartMOS8 technology -40oC to +85oC operating ambient temperature QFN-48-PS package, ROHS compliant Minimum per port external components No need for external DC/DC converter Power, high-voltage analog and highdensity digital logic functions Fit for industrial applications
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/lockout Dynamic Power Management Emergency Power Management (Enhanced Mode) Support for 4-pairs High power architecture (Enhanced Mode) Maskeable Interrupt Programmable port matrix (Enhanced mode) LED streaming (Enhanced) or driving (PoE+) Temperature sense/monitoring 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 31W over 4pairs 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
(c) 2007 PowerDsine Ltd.
All rights reserved.
PowerDsine is a registered trademark of PowerDsine LTD. All other products or trademarks are property of their respective owners. The product described by this manual is a licensed product of PowerDsine.
www.powerdsine.com
March 2007
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(c) PowerDsine 2007
Information in this document subject to change without prior notice.
This document contains information that is proprietary to PowerDsine. As such, it is confidential and its disclosure is strictly prohibited by applicable law. If you and/or your company and PowerDsine 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.

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