A cell balancing battery module comprising: a cell string having N ports in series; a maximum and minimum finding circuit coupled with the N ports and the at least one switched capacitor comparison circuit for performing a voltage comparison procedure to find a highest voltage port number and a lowest voltage port number, the voltage comparison procedure including a plurality of voltage comparison operations using two phases of at least one switched capacitor comparison circuit; a charge and discharge connecting circuit coupled with the N ports and an inductor, and being configured to select a highest voltage port out of the N ports according to the highest voltage port number to deliver energy to the inductor, and select a lowest voltage port out of the N ports according to the lowest voltage port number to receive energy released from the inductor.


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    Title :

    Cell Balancing Battery Module and Electrial Apparatus


    Contributors:

    Publication date :

    2020-04-09


    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 / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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