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PD64004AH_1

更新时间： 2024-11-18 06:00:03
品牌 Logo 应用领域
美高森美 - MICROSEMI 以太网
页数 文件大小 规格书
19页 703K
描述
4-Port Power Sourcing Equipment Manager for Power over Ethernet Systems

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PD64004AH - 4-Port Power Sourcing Equipment  
Manager for Power over Ethernet Systems  
Description  
Applicable Documents  
Key Features  
Microsemi’s™ PD64004AH is a 4-port,  
mixed-signal, high-voltage Power over  
Ethernet (PoE) Manager designed to  
support IEEE 802.3af-2003 and 802.3at-  
2009 PoE applications.  
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PoE Controller  
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IEEE 802.3af-2003 and  
802.3at-2009 compliant  
Up to 600 mA Iport_max  
IETF Power Ethernet MIB  
(RFC 3621) compliant  
Single DC voltage input  
(44v-57v)  
Built in 3.3v regulator  
Low thermal dissipation  
(1 Ω sense resistor)  
Internal power-on reset  
Four ports  
Internal power FET per port  
Thermal monitoring and  
protection  
Supports any PD64004AH  
and PD64012GH  
PD63000/G datasheet,  
Catalogue Number  
06-0008-058  
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16 port evaluation  
board PD-IM-7316AH  
User Guide, Catalogue  
Number 06-0025-056  
Twelve-channel PoE  
manager PD64012GH  
datasheet, Catalogue  
Number 06-0003-058  
AN-152, Designing 8-  
port PoE+ System  
Using PD64004AH,  
Catalogue Number  
06-0034-080  
AN-140, Layout Design  
Guidelines for PoE  
Systems, Catalogue  
Number 06-0012-080  
AN-161, Layout  
Guidelines for PoE  
Systems, Catalogue  
Number 06-0066-080.  
AN-170, Designing a  
16-port Enhanced PoE  
System, Catalogue  
Number 06-0042-080  
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PD64004AH is used in Ethernet switches  
(endspans) and midspans to enable next  
generation network managers to share  
power and data over the same cable. With  
full digital control via a serial  
communication interface and a minimum of  
external components, the PD64004AH can  
be placed in multi-port and highly  
populated Ethernet switches. PD64004AH  
integrates power, analog and logic  
functions in a single 48-pin, QFN-PS  
package allowing compact designs.  
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combination  
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Can be cascaded for up to  
eight PoE managers  
I2C or UART  
communication to Host  
User friendly unique PoE  
communication protocol  
Direct register  
communication  
Continuous monitoring of  
individual ports  
Continuous system  
telemetries  
Parameters setting per port  
and per system  
Disabling of ports through  
hardware  
Enhanced power  
management algorithm  
Advanced power  
management; up to 32  
ports  
Pre-standard PD detection  
Detection of Cisco devices  
Port matrix  
Interrupt out  
Hardware system status pin  
LED support  
Emergency power  
management with up to  
eight power supplies  
Rmode for H/W  
The PD64004AH detects IEEE 802.3af-  
2003 compliant Powered Devices (PDs)  
and 802.3at-2009 PDs which exceed  
IEEE802.3af power levels, ensuring safe  
power feeding and port disconnection.  
The PD64004AH executes all real time  
functions as specified in the IEEE 802.3af-  
2003 standard and the IEEE802.3at-2009  
standard including detection, 1-event  
classification and port status monitoring. It  
also executes system level activities such  
as power management, and MIB support  
for system management. The PD64004AH  
is designed to detect and disable  
disconnected ports, using both DC and AC  
disconnection methods, as defined in IEEE  
802.3af-2003 and IEEE802.3at-2009.  
The PD64004AH, in conjunction with the  
PD63000G or in Automatic mode, can be  
configured to support 2-pair 802.3at-2009  
(up to 600 mA.) and 2-pair standard “af”  
power (up to 350mA) for full IEEE802.3af  
compliant functionality. Further, in AF  
mode the PD64004AH and PD63000G can  
support 8-ports operation (when working  
together, the units are in Enhanced mode).  
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Performance of the PD64004AH can be  
fully evaluated using the PD-IM-7316AH  
evaluation board.  
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IMPORTANT: For the most current data, consult  
MICROSEMI’s website: http://www.microsemi.com  
configuration  
RoHS compliant  
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