WO2007084496A3 - Power over ethernet controller integrated circuit architecture - Google Patents

Power over ethernet controller integrated circuit architecture Download PDF

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Publication number
WO2007084496A3
WO2007084496A3 PCT/US2007/001119 US2007001119W WO2007084496A3 WO 2007084496 A3 WO2007084496 A3 WO 2007084496A3 US 2007001119 W US2007001119 W US 2007001119W WO 2007084496 A3 WO2007084496 A3 WO 2007084496A3
Authority
WO
WIPO (PCT)
Prior art keywords
power
pse
node
over ethernet
controller
Prior art date
Application number
PCT/US2007/001119
Other languages
French (fr)
Other versions
WO2007084496A2 (en
Inventor
Pieter Vorenkamp
Agnes Woo
Anil Tammineedi
Ichiro Fujimori
David Chin
John Perzow
Original Assignee
Broadcom Corp
Pieter Vorenkamp
Agnes Woo
Anil Tammineedi
Ichiro Fujimori
David Chin
John Perzow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Broadcom Corp, Pieter Vorenkamp, Agnes Woo, Anil Tammineedi, Ichiro Fujimori, David Chin, John Perzow filed Critical Broadcom Corp
Priority to CN2007800030433A priority Critical patent/CN101371492B/en
Priority to EP20070716675 priority patent/EP1980050B1/en
Publication of WO2007084496A2 publication Critical patent/WO2007084496A2/en
Publication of WO2007084496A3 publication Critical patent/WO2007084496A3/en
Priority to HK09107385A priority patent/HK1129503A1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/02Details
    • H04L12/10Current supply arrangements
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • G06F1/266Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/44Arrangements for feeding power to a repeater along the transmission line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • H04L12/40045Details regarding the feeding of energy to the node from the bus
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S370/00Multiplex communications
    • Y10S370/908Local area network
    • Y10S370/91Carrier sense multiple access, e.g. ethernet, 10base-t

Abstract

Power over Ethernet (PoE) communication systems provide power and data communications over the same communications link, where a power source device (PSE) provides DC power (for example, 48 volts DC) to a powered device (PD). The DC power is transmitted simultaneously over the same communications medium with the high speed data from one node to the other node. The PSE typically includes a controller that controls the DC power provided to the PD at the second node of the communications link. The PSE controller measures the voltage, current, and temperature of the outgoing and incoming DC supply lines to characterize the power requirements of the PD. In addition, the PSE controller may detect and validate a compatible PD, determine a power classification signature for the validated PD, supply power to the PD, monitor the power, and reduce or remove the power from the PD when the power is no longer requested or required. During detection, if the PSE finds the PD to be non-compatible, the PSE can prevent the application of power to that PD device, protecting the PD from possible damage.
PCT/US2007/001119 2006-01-17 2007-01-17 Power over ethernet controller integrated circuit architecture WO2007084496A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2007800030433A CN101371492B (en) 2006-01-17 2007-01-17 Power over Ethernet controller and method for detecting and classifying power supply equipment
EP20070716675 EP1980050B1 (en) 2006-01-17 2007-01-17 Power over ethernet controller integrated circuit architecture
HK09107385A HK1129503A1 (en) 2006-01-17 2009-08-11 Power supply controller of ethernet and method for detecting and classifying power supply device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75898406P 2006-01-17 2006-01-17
US60/758,984 2006-01-17

Publications (2)

Publication Number Publication Date
WO2007084496A2 WO2007084496A2 (en) 2007-07-26
WO2007084496A3 true WO2007084496A3 (en) 2007-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/001119 WO2007084496A2 (en) 2006-01-17 2007-01-17 Power over ethernet controller integrated circuit architecture

Country Status (6)

Country Link
US (10) US8213141B2 (en)
EP (1) EP1980050B1 (en)
KR (1) KR101008509B1 (en)
CN (1) CN101371492B (en)
HK (1) HK1129503A1 (en)
WO (1) WO2007084496A2 (en)

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* Cited by examiner, † Cited by third party
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