A backup battery control module configured to supply electric power from a backup battery to a load when electric power supply from a main battery to the load is cut off. The backup battery control module is configured to: measure an open circuit voltage of the backup battery in a state in which an ignition switch is off; derive, based on a measured open circuit voltage, an already charged rate of the backup battery; measure an internal resistance of the backup battery in a state in which the ignition switch is off; derive a deterioration degree of the backup battery based on a measured internal resistance; derive a target charging rate based on the deterioration degree; and charge the backup battery until the target charging rate is reached in a case in which it is determined that the already charged rate is smaller than the target charging rate.


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    Title :

    BACKUP BATTERY CONTROL MODULE AND BACKUP BATTERY CONTROL SYSTEM


    Additional title:

    RESERVEBATTERIESTEUERMODUL UND RESERVEBATTERIESTEUERUNGSSYSTEM
    MODULE DE COMMANDE DE BATTERIE DE SECOURS ET SYSTÈME DE COMMANDE DE BATTERIE DE SECOURS


    Contributors:

    Publication date :

    2024-07-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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