Voltage-boosting wireless power delivery system with fast load tracker by ΔΣ-modulated sub-harmonic resonant switching

Ryota Shinoda, Kazutoshi Tomita, Yuya Hasegawa, Hiroki Ishikuro

    研究成果: Conference contribution

    41 被引用数 (Scopus)

    抄録

    Recently, many applications have emerged that use wireless power delivery technology. A new standard "Qi" [1] has been established for battery operated portable devices. The rechargeable battery acts as a power buffer and shields the rapid load variation. Therefore, the requirement of the response to load variation is not so stringent and time constant of the power control loop is longer than several tens of milliseconds. Several hundred kHz band is chosen for switching frequency to reduce the power loss and frequency modulation (FM) [2] or pulse-width modulation (PWM) [3] are used for power control because of their relaxed in-band spurious emission regulation.

    本文言語English
    ホスト出版物のタイトル2012 IEEE International Solid-State Circuits Conference, ISSCC 2012 - Digest of Technical Papers
    ページ288-289
    ページ数2
    DOI
    出版ステータスPublished - 2012 5月 11
    イベント59th International Solid-State Circuits Conference, ISSCC 2012 - San Francisco, CA, United States
    継続期間: 2012 2月 192012 2月 23

    出版物シリーズ

    名前Digest of Technical Papers - IEEE International Solid-State Circuits Conference
    55
    ISSN(印刷版)0193-6530

    Other

    Other59th International Solid-State Circuits Conference, ISSCC 2012
    国/地域United States
    CitySan Francisco, CA
    Period12/2/1912/2/23

    ASJC Scopus subject areas

    • 電子材料、光学材料、および磁性材料
    • 電子工学および電気工学

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