Power supply device that performs malfunctioned determination

    公开(公告)号:US11411414B2

    公开(公告)日:2022-08-09

    申请号:US16655042

    申请日:2019-10-16

    IPC分类号: H02J7/00

    摘要: There is provided a power supply device including a plurality of battery modules, the battery modules being connected in series with one another according to a gate driving signal from a controller, the power supply device transmitting the gate driving signal from upstream of the series connection toward downstream of the series connection after the gate driving signal is delayed at delay circuits included in the respective battery modules, and returning the gate driving signal to the controller from a most downstream battery module, wherein the power supply device performs malfunction determination of the delay circuits based on a time difference from a transmission time of a signal from the controller to a reception time of the signal.

    Power supply device of vehicle
    6.
    发明授权

    公开(公告)号:US10923924B2

    公开(公告)日:2021-02-16

    申请号:US16655805

    申请日:2019-10-17

    摘要: A power supply device of a vehicle includes a negative electrode terminal connected to a first battery; a positive electrode terminal connected to a second battery; a first positive electrode side relay between a first node and the first battery; a first capacitor connected between the first node and a negative line; a first negative electrode side relay between the first battery and the negative line; a first precharge relay and a first resistive element connected in parallel with the first negative electrode side relay; a second positive electrode side relay between a third node and the second battery; a second capacitor between the third node and a second node; a second negative electrode side relay between the second battery and the second node; and a second precharge relay and a second resistive element connected in parallel with the second positive electrode side relay.

    Power supply device
    9.
    发明授权

    公开(公告)号:US11349156B2

    公开(公告)日:2022-05-31

    申请号:US16656736

    申请日:2019-10-18

    IPC分类号: H01M10/42 H03K17/567

    摘要: In a power supply device including a plurality of battery modules each including a secondary battery, in which the battery modules are connected in series to one another according to a gate driving signal from a controller and in each of the battery modules, the gate driving signal is delayed in a gate driving signal processing circuit included in the battery module and then transmitted from upstream to downstream of the series connection, an ID is provided for each of the battery modules by transmitting an ID setting signal for providing an ID unique to the battery module using a gate signal line for transmitting the gate driving signal.