Patent ID: 11891000
Assignee: SUBARU CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 0:
1. A vehicular power supply device to be applied to a vehicle, the vehicular power supply device comprising:
an inverter;
a converter;
a driving motor;
an electric device group;
a first electric storage unit configured to be coupled to the driving motor via the inverter;
a second electric storage unit configured to be coupled to the electric device group via the converter;
an electric power converter provided between the first electric storage unit and the second electric storage unit and configured to couple the first electric storage unit and the second electric storage unit in parallel with each other;
a first switch provided between the first electric storage unit and the electric power converter and configured to be controlled between an on state and an off state;
a second switch provided between the second electric storage unit and the electric power converter and configured to be controlled between an on state and an off state; and
a switch controller configured to control the first switch and the second switch based on a state of charge of the first electric storage unit.