The bipolar Darlington transistor plays a dominating role since the replacement of the technical interrupter in automotive ignition systems. Unfortunately, this device is characterized by a high drive current which generates power dissipation in the driver IC. This results in a problem for new ignition concepts which have no ignition distributor but a dedicated coil for each cylinder, because the driver's chip area increases dramatically. A novel solution is the replacement of the Darlington high-voltage switch by an IGBT (Insulated gate Bipolar Transistor) which can be controlled like a MOSFET, requires no drive power and offers higher current density than the Darlington.


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    Title :

    The IGBT conquers the automotive ignition market


    Additional title:

    Der IGBT erobert den Kfz-Zündungsanlagen-Markt


    Contributors:
    Sax, H. (author)


    Publication date :

    1993


    Size :

    6 Seiten, 4 Bilder



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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