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    • 6. 发明授权
    • Voltage detection integrated circuit and battery management system including same
    • US11322951B2
    • 2022-05-03
    • US16467893
    • 2017-10-19
    • SAMSUNG SDI CO., LTD.
    • Wonkyoung ChoYongchun Kim
    • H02J7/00
    • A battery management system may include: a plurality of voltage detection integrated circuits; and a battery controller configured to control charge and discharge of a high voltage battery based on a cell voltage detection result received from the voltage detection integrated circuits, and each of the detection integrated circuits includes: a cell voltage detection circuit configured to detect a voltage of at least one corresponding cell among a plurality of cells constituting the high voltage battery; first and second interfaces configured to communicate between different voltage detection integrated circuits in the detection integrated circuits; a plurality of first terminals connected with a first power source which supplies an operation voltage of the cell voltage detection circuit and the first interface; a plurality of second terminals configured to receive an operation voltage of a different voltage detection integrated circuit connected therewith through the second interface; and a level shifter configured to level-shift a voltage supplied from the first power source based on the operation voltage inputted through the second terminals to supply the level-shifted voltage as an operation voltage of the second interface.