A high efficiency charge pump with continuous frequency charge sharing scheme

Shuning Wang, Mengshu Huang, Yimeng Zhang, Tsutomu Yoshihara

    研究成果: Conference contribution

    2 被引用数 (Scopus)

    抄録

    In this paper, the charge pump efficiency is discussed, and a charge pump with continuous frequency charge sharing scheme is presented. The proposed charge sharing clock generator is able to recover the charge from parasitic-capacitor charging and discharging, so that the dynamic power loss is reduced by half. Furthermore, the proposed frequency regulation structure is able to keep the efficiency of charge pump at the theoretical maximum value without effect of load current. The simulation results show a maximum 10% efficiency increase and the efficiency is kept around 68% when load current decreases, while efficiency of conventional charge pump drops to 23% when load current is 10uA.

    本文言語English
    ホスト出版物のタイトル2013 IEEE International Conference on Consumer Electronics - China, ICCE-China 2013
    出版社IEEE Computer Society
    ページ45-50
    ページ数6
    DOI
    出版ステータスPublished - 2013
    イベント2013 IEEE International Conference on Consumer Electronics - China Workshop, ICCE-China 2013 - Shenzhen
    継続期間: 2013 4 11 → 2013 4 13

    Other

    Other2013 IEEE International Conference on Consumer Electronics - China Workshop, ICCE-China 2013
    CityShenzhen
    Period13/4/11 → 13/4/13

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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