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Electronic device with main current limit circuit

  • US 20060176021A1
  • Filed: 02/04/2005
  • Published: 08/10/2006
  • Est. Priority Date: 02/04/2005
  • Status: Abandoned Application
First Claim
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1. An electronic device, comprising:

  • a. input terminals capable of coupling to a power source;

    b. local circuitry for performing a predetermined function within the device;

    c. at least one set of output terminals for coupling to a second electronic device; and

    d. a current limiting circuit that limits a total current drawn by the device and any other devices coupled thereto;

    the current limiting circuit comprising;

    i. a current sensing circuit; and

    ii. a current limiting device coupled in series between the input terminals and the local circuitry;

    wherein when the current sensing circuit detects the current drawn by the at least one set of output terminals exceeds a predetermined threshold, the current limiting device is actuated.

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