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WIRELESS CHARGING APPARATUS AND METHOD

  • US 20120293119A1
  • Filed: 05/17/2012
  • Published: 11/22/2012
  • Est. Priority Date: 05/17/2011
  • Status: Active Grant
First Claim
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1. A wireless power receiver comprising:

  • a power receiver for receiving transmission power from a wireless power transmitter;

    a communication unit for transmitting a packet to the wireless power transmitter when a battery of the wireless charging apparatus is fully charged from the received transmission power, wherein the packet comprises a full charge status indicator;

    a Power Management Integrated Circuit (PMIC) for charging the battery with the received transmission power, and, when the battery is fully charged, providing a full charge message and performing an auxiliary charge of the battery with strength-reduced transmission power; and

    a controller for controlling the communication unit to transmit the packet upon receiving the full charge message from the PMIC.

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