To more promptly perform backup in the case of power source abnormality.SOLUTION: An on-vehicle backup control device 1 comprises a switch unit (e.g., second switch units 12A and 12B), a control unit 15, a low voltage detection circuit 20 and a latch circuit 30. The switch unit is disposed between a power storage unit 93 and a load (e.g., a second load 92). The control unit 15 controls the switch unit. The low voltage detection circuit 20 detects a low voltage state of a power line to which power from a power source unit 91 is supplied. In a case where the low voltage detection circuit 20 detects the low voltage state, the latch circuit 30 is changed over to a latch state where the switch unit is kept in an ON state. In the case of the low voltage state, the control unit 15 cancels the latch state and controls the switch unit into the ON state.SELECTED DRAWING: Figure 2

    【課題】電源異常時のバックアップをより迅速に行う。【解決手段】車載用のバックアップ制御装置1は、スイッチ部(例えば第2スイッチ部12A,12B)、制御部15、低電圧検出回路20及びラッチ回路30を有する。スイッチ部は、蓄電部93と負荷(例えば第2負荷92)との間に配置される。制御部15は、スイッチ部を制御する。低電圧検出回路20は、電源部91からの電力が供給される電力路の低電圧状態を検出する。ラッチ回路30は、低電圧検出回路20が低電圧状態を検出した場合に、スイッチ部をオン状態に保持するラッチ状態に切り替わる。制御部15は、低電圧状態となった場合に、ラッチ状態を解除し、スイッチ部をオン状態に制御する。【選択図】図2


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    Title :

    ON-VEHICLE BACKUP CONTROL DEVICE AND ON-VEHICLE BACKUP APPARATUS


    Additional title:

    車載用のバックアップ制御装置及び車載用のバックアップ装置


    Contributors:

    Publication date :

    2022-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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