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Vehicle charger and method for controlling power thereof

  • US 9,694,705 B2
  • Filed: 04/09/2015
  • Issued: 07/04/2017
  • Est. Priority Date: 10/02/2014
  • Status: Active Grant
First Claim
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1. A vehicle charger receiving power from electric vehicle supply equipment to charge a battery mounted within a vehicle, comprising:

  • a charging controller configured to operate a charging mode of the vehicle charger;

    a main power supplier configured to supply main power to the charging controller, wherein the main power is battery power output from the battery;

    an auxiliary power supplier configured to supply the battery power as auxiliary power in response to receiving a control pilot signal generated from the electric vehicle supply equipment; and

    a power controller configured to detect the control pilot signal when an engine of the electric vehicle stalls and turn the main power supply and the auxiliary power supply on and off based on state information regarding the detected control pilot signal and a charging mode control signal output from the charging controller,wherein the auxillary power supplier supplies the battery power to the power controller in response to detecting the control pilot signal.

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