전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제62권8호
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  • Pages.1125-1131
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  • 2013
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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고효율 마이크로파 무선 전력 수신 집적회로 설계 및 구현

A Design of High Efficiency Microwave Wireless Power Acceptor IC

  • Jung, Won-Jae (Dept. of Electrical Engineering and Computer Science, Kookmin University) ;
  • Jung, Hyo-Bin (Dept. of Electrical Engineering and Computer Science, Kookmin University) ;
  • Kim, Sang-Kyu (Dept. of Electrical Engineering and Computer Science, Kookmin University) ;
  • Jang, Jong-Eun (Co., Ltd. Epic Solution) ;
  • Park, Jun-Seok (Dept. of Electrical Engineering and Computer Science, Kookmin University)
  • 투고 : 2013.01.03
  • 심사 : 2013.07.17
  • 발행 : 2013.08.01
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초록

Wireless power transmission technology has been studied variety. Recently, wireless power transmission technology used by resonance and magnetic induction field is applied to various fields. However, magnetic resonance and inductive coupling are have drawbacks - power transmission distance is short. Microwave transmission and accept techniques have been developed to overcome short distance. However, improvement in efficiency is required. This paper, propose a high-efficiency microwave energy acceptor IC(EAIC). Suggested EAIC is consists of RF-DC converter and DC-DC converter. Wide Input power range is -15 dBm ~ 20 dBm. And output voltage is boosted up to 5.5 V by voltage boost-up circuit. EAIC can keep the output voltage constant. Available efficiency of RF-DC converter is 95.5 % at 4 dBm input. And DC-DC efficiency is 94.79 % at 1.1 mA load current. Fully EAIC efficiency is 90.5 %.

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참고문헌

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