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A non-contact power-supply card powered by solar cells for mobile communications

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4 Author(s)
Kanai, Y. ; NTT Telecommun. Energy Labs., Tokyo, Japan ; Mino, M. ; Sakai, T. ; Yachi, T.

The authors have developed a noncontact power-supply card powered by solar cells in which optimized zero-voltage-switching and load-matching circuits enable high transmission efficiency. Power can be transmitted up to 2 mm. The power supplied to load circuits exceeds 50 mW over the entire transmission-distance range. The maximum transmission power is 115 mW: and the maximum transmission efficiency, taking the power consumption of all the circuits into account, is 68.2%

Published in:

Applied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE  (Volume:2 )

Date of Conference: