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USB power delivery controller sharing

  • US 9,766,674 B2
  • Filed: 06/27/2014
  • Issued: 09/19/2017
  • Est. Priority Date: 06/27/2014
  • Status: Active Grant
First Claim
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1. A system for sharing a power delivery controller, comprising:

  • a plurality of ports; and

    a power delivery controller communicatively coupled to the plurality of ports, and the power delivery controller is to;

    rotate between the plurality of ports to determine a particular port of the plurality of ports that has access to the power delivery controller;

    negotiate with the plurality of ports by advertising capabilities of a computing device that comprises the power delivery controller and the plurality of ports at each port of the plurality of ports;

    send a first message to the particular port of the plurality of ports; and

    remain connected to the particular port and enable power delivery to the particular port in response to a particular return message from the port.

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