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DC/DC power converter control strategy for source protection

  • US 9,680,366 B2
  • Filed: 05/21/2012
  • Issued: 06/13/2017
  • Est. Priority Date: 05/21/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a DC/DC converter operatively coupled to an output of a DC power source, a DC power source voltage output signal indicative of a value of an output voltage of the DC power source;

    determining, by the DC/DC converter, whether the output voltage of the DC power source exceeds a first limiting value based on the received DC power source voltage output signal; and

    responsive to determining the output voltage of the DC power source exceeds the first limiting value,comparing, by the DC/DC converter, the value of an output current of the DC power source to a second limiting value;

    comparing, by the DC/DC converter, the value of an output current of the DC/DC converter to a third limiting value; and

    responsive to determining that the output current of the DC power source is below the second limiting value and the output current of the DC/DC converter is below the third limiting value, operating the DC/DC converter to increase power output of the DC power source to decrease the value of the output voltage of the DC power source to a value which is at or below the first limiting value.

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