| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular power device capable of supplying power to a load in step-down circuit failure of a DC/DC converter.SOLUTION: The vehicular power device comprises: a supply switch 16 for allowing a power generator 11 to supply power to at least one of a load 19 and a second power storage device 14 without using a step-down circuit 15 when the step-down circuit 15 is broken; and a block switch 17 for blocking power supply to the load 19 side from a first power storage device 12 when the step-down circuit 15 is broken, and the block switch is disposed between the first power storage device 12 and the supply switch 16. |
