Charging device and on board power supply device

    公开(公告)号:US11043831B2

    公开(公告)日:2021-06-22

    申请号:US16504503

    申请日:2019-07-08

    Abstract: A charging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter, and an inductance element. The AC/DC converter is connected to an external power source and configured to convert AC power into DC power. The first DC/DC converter is configured to convert a voltage the DC power outputted from the AC/DC converter and supply the resultant DC power to a first battery. The second DC/DC converter is connected in parallel to the first battery on the output side of the first DC/DC converter, and configured to convert a voltage of the DC power outputted from the first DC/DC converter and supply the resultant DC power to a second battery. The inductance element is provided between the first DC/DC converter and the second DC/DC converter, and connected in series to the first DC/DC converter and the second DC/DC converter.

    On-board control device
    4.
    发明授权

    公开(公告)号:US11046200B2

    公开(公告)日:2021-06-29

    申请号:US16409011

    申请日:2019-05-10

    Abstract: An on-board control device relays data communication between a vehicle module and a vehicle ECU which generates a signal for commanding a driving mode of a vehicle. The on-board control device includes a first interface via which communication with the vehicle ECU is performed, and a second interface via which communication with the vehicle modules is performed. The first interface relies on specifications for communication with the vehicle ECU, and the second interface does not rely on the specifications for communication with the vehicle ECU.

    Switching power supply device
    5.
    发明授权

    公开(公告)号:US10008945B2

    公开(公告)日:2018-06-26

    申请号:US15520104

    申请日:2015-11-20

    Inventor: Nobuaki Satoh

    Abstract: A switching power supply device includes a power factor improvement circuit, a phase-shifted full bridge type DC/DC converter that is arranged in a rear stage of the power factor improvement circuit and has a full-bridge type switching circuit, an output current detecting circuit for detecting an output current to be supplied to a load, an output voltage detecting circuit for detecting an output voltage to be supplied to the load, and a power factor improvement circuit output voltage detecting circuit for detecting a power factor improvement circuit output voltage, which is input from the power factor improvement circuit to the DC/DC converter. The switching power supply device further includes a control unit for dynamically changing dead times of the full-bridge type switching circuit based on the power factor improvement circuit output voltage, and the output current and the output voltage to be supplied to the load, and the control unit applies the dead times that have been changed to control switching of the full-bridge type switching circuit.

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