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POWER ROUTING FOR DONGLES AND ADAPTERS

  • US 20160261128A1
  • Filed: 01/04/2016
  • Published: 09/08/2016
  • Est. Priority Date: 03/07/2015
  • Status: Active Grant
First Claim
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1. A dongle comprising:

  • a first plug to couple to a host device receptacle on a host device;

    a housing coupled to the first plug;

    a first receptacle in the housing to receive a second plug coupled to a charger;

    a second receptacle in the housing to receive a third plug coupled to an accessory;

    a first regulator having an output coupled to a power supply terminal in the second receptacle;

    a first switch having a first terminal coupled to a power supply terminal in the first plug and a power supply terminal in the first receptacle and a second terminal coupled to an input of the first regulator;

    a charge storage circuit having an input coupled to the output of the first regulator; and

    a second switch having a first terminal coupled to an output of the charge storage circuit and a second terminal coupled to the second terminal of the first switch and the first regulator.

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