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APPARATUS AND METHOD FOR CHARGE CONTROL IN WIRELESS CHARGING SYSTEM

  • US 20140152251A1
  • Filed: 11/25/2013
  • Published: 06/05/2014
  • Est. Priority Date: 11/26/2012
  • Status: Active Grant
First Claim
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1. An apparatus for charge control, the apparatus comprising:

  • an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier in a transmitting mode; and

    the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage, in the transmitting mode.

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