PROBLEM TO BE SOLVED: To provide a control method of a power supply circuit for vehicle, in which voltage supply to the internal circuit of an electronic controller is not interrupted.SOLUTION: A control method of a power supply circuit for vehicle including a switching regulator for stepping down the input voltage to an electronic controller, and a series regulator connected in series with the switching regulator and stepping down the voltage that is stepped down by the switching regulator includes a determination step for determining whether or not the electronic controller is in sleep state, a determination step for determining whether or not the input voltage goes above a threshold, and a switching step for switching the switching regulator from stop state to operation state when the electronic controller is in sleep state, and the input voltage goes above a threshold.

    【課題】電子制御装置の内部回路への電圧供給が遮断されない、車両用電源回路の制御方法を提供すること。【解決手段】電子制御装置への入力電圧を降圧するスイッチングレギュレータと、前記スイッチングレギュレータと直列に接続され、前記スイッチングレギュレータにより降圧された電圧を降圧するシリーズレギュレータと、を備える、車両用電源回路の制御方法であって、前記電子制御装置がスリープ状態であるか否かを判定する判定ステップと、前記入力電圧が、閾値以上であるか否かを判定する判定ステップと、前記電子制御装置がスリープ状態であり、且つ、前記入力電圧が前記閾値以上である場合に、前記スイッチングレギュレータを停止状態から作動状態へと切り替える切り替えステップと、を有する、車両用電源回路の制御方法。【選択図】図1


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    Title :

    POWER SUPPLY CIRCUIT FOR VEHICLE AND CONTROL METHOD OF POWER SUPPLY CIRCUIT FOR VEHICLE


    Additional title:

    車両用電源回路及び車両用電源回路の制御方法


    Contributors:
    MAEDA NAOKI (author)

    Publication date :

    2015-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES , Systeme zum Regeln elektrischer oder magnetischer Veränderlicher




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