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Charging Device with Auto-On Circuit and System

  • US 20150123594A1
  • Filed: 12/06/2013
  • Published: 05/07/2015
  • Est. Priority Date: 11/04/2013
  • Status: Abandoned Application
First Claim
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1. An electronic device, comprising:

  • one or more connectors to connect to one or more external devices;

    a power supply circuit to deliver energy through the one or more connectors;

    a control circuit to actuate the power supply circuit; and

    an auto-on circuit to actuate the control circuit, the auto-on circuit comprising;

    a switch;

    a trigger input circuit for the switch; and

    a latch;

    the trigger input circuit responsive to loading at a terminal of the one or more connectors when the one or more external devices is coupled to the one or more connectors to deliver an auto-on signal to the control circuit and the switch;

    the control circuit to actuate the latch to deliver power to a power input terminal of the control circuit after receiving the auto-on signal.

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