A load driving device, wherein a logic portion for switching on/off a switch element connected to a load includes: a switch signal generation circuit for generating a switch signal so that the switch element is left on by default in a time duration from when power is turned on until an external reset release is performed by a microcomputer; an overcurrent protection circuit for performing, after the external reset release, an output restriction of the switch signal so as to forcibly switch the switch element off in response to an overcurrent detection signal; and a latch circuit for performing, in the time duration from when power is turned on until the external reset release is performed by the microcomputer, an output restriction of the switch signal so as to forcibly switch the switch element off with the overcurrent detection signal serving as a latch trigger.


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    Titel :

    LOAD DRIVING DEVICE


    Beteiligte:
    NAKASHIMA TAKAYUKI (Autor:in) / OKUNO YOHEI (Autor:in)

    Erscheinungsdatum :

    2020-01-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / H03K PULSE TECHNIQUE , Impulstechnik



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