The present 14 volts automotive electrical system will soon become 42 volts. For these future automotive applications, development of 80 volts power MOSFETs exhibiting low on-resistance is desired. The "floating island" MOSFET (FLIMOSFET) is one of the new candidates to break the silicon limit, which is the "specific on-resistance/breakdown voltage" trade-off limit, of conventional power MOSFETs. In this paper, the "floating island" concept has been implemented on silicon: new vertical N-channel FLIMOSFETs (FLYMOS TM ) dedicated to automotive applications (below 100 volts) have been fabricated for the first time, using two steps epitaxy process. Experimental results show that the FLYMOS TM transistor exhibit a breakdown voltage of 73 volts but also an improved specific on-resistance compared to conventional VDMOSFETs (33% reduction of the specific on-resistance for the same breakdown voltage). In other words, in terms of ''specific on-resistance/breakdown voltage" trade-off, the FLYMOS TM transistor is one of the best MOS devices in low voltage applications. These measurements validate the "floating island" concept and the efficiency of the original edge cell that is used in the FLYMOS TM technology.


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    Title :

    Experimental validation of the "floating island" concept: realization of low on-resistance FLYMOS TM transistors


    Contributors:
    Alves, S. (author) / Morancho, F. (author) / Reynes, J.M. (author) / Margheritta, J. (author) / Deram, I. (author) / Isoird, K. (author)

    Published in:

    Publication date :

    2005


    Size :

    7 Seiten, 15 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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