A battery-less Tire Pressure Monitoring System (TPMS) prototype based on inductive coupling is presented in this paper. A special power recovery circuit is designed and implemented in 0.35µm 14V HVCMOS takes place of battery as power supply. The power is delivered by a 2.25W@13.56MHz transmitter and transferred over 65cm to achieve DC voltage at 3V with intermittent current of 10mA as power supply for a widely used commercial TPMS System on Chip which is composed of pressure sensor, temperature sensor, A/D and MCU. The power receiver is put in tire so that the influence of wheel hub could be considered. The battery-less TPMS is verified to be feasible.


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    Titel :

    A Battery-less Tire Pressure Monitoring System


    Beteiligte:
    Wu, Liji (Autor:in) / Zhang, Xiangmin (Autor:in) / Yu, Xiao (Autor:in) / Ding, Xuyang (Autor:in) / Chi, Chaojun (Autor:in)


    Erscheinungsdatum :

    01.12.2012


    Format / Umfang :

    525748 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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