To provide a vehicular electric device 10 configured so that conduction noise is suppressed from being conducted to the outside of a vehicle.SOLUTION: In a vehicular electric device 10, when determining that a high-voltage battery 20 is not charged from the outside of a vehicle, a CPU 13 stops a low-noise internal power source 11 and then makes a high-efficiency internal power source 12 output power source voltages. When determining that the battery is charged from the outside of the vehicle, the CPU 13 stops the high-efficiency internal power source 12 and then makes the low-noise internal power source 11 output power source voltages.SELECTED DRAWING: Figure 1

    【課題】伝導ノイズが車両外部に伝わることを抑制するようにした車両用電気装置10を提供する。【解決手段】車両用電気装置10では、CPU13は、高電圧バッテリ20が車両外部から充電されていないと判定したとき、低ノイズ内部電源11を停止させて高効率内部電源12から電源電圧を出力させる。CPU13は、バッテリが車両外部から充電されていると判定したとき、高効率内部電源12を停止させて低ノイズ内部電源11から電源電圧を出力させる。【選択図】図1


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    Title :

    VEHICULAR ELECTRIC DEVICE


    Additional title:

    車両用電気装置


    Contributors:

    Publication date :

    2021-01-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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