Power sourcing equipment having auto-zero circuit for determining and controlling output current

Power sourcing equipment having auto-zero circuit for determining and controlling output current

  • CN 102,497,274 A
  • Filed: 01/19/2006
  • Published: 06/13/2012
  • Est. Priority Date: 01/25/2005
  • Status: Active Grant
First Claim
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1. one kind is passed through the system that communication link is supplied power, and comprising:

  • Power supply unit;

    Said power supply unit is used for supplying power to power consumption equipment through said communication link;

    Said power supply unit be arranged for from said power consumption equipment receive the detection information that is used to detect said power consumption equipment and the rating information that is used for confirming the desired power level of said power consumption equipment andInformation circuit, said information circuit is connected to said power consumption equipment through said communication link, is used for after said detection and rating information are provided, handling the out of Memory that is provided by said power consumption equipment,Said information circuit is arranged for handling received said out of Memory and responds with the desired power level of said rating information electric power is provided, and said out of Memory is transferred to said power supply unit from said power consumption equipment when said power consumption equipment is supplied power by the electric power that is provided.

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