| 摘要 |
PROBLEM TO BE SOLVED: To suppress variation of power supply voltage to be supplied to a load device.SOLUTION: A vehicular power supply device 10 comprises an alternator 11 which interlocks to an engine 21, and a first power storage device 12 and a second power storage device 13 for storing power supplied from the alternator 11. The power discharged by the first power storage device 12 and the second power storage device 13, and the power generated by the alternator 11 are supplied to a first loading device 31 and a second loading device 32. The first loading device 31 requires stable power supply voltage, and in the second loading device 32, current larger than that of the second loading device 32 flows during driving. The first power storage device 12 and the second power storage device 13 are coupled to the alternator 11 in the order, and the first power storage device 12 is positioned to a position corresponding to the first loading device 31, and the second power storage device 13 is positioned to a position corresponding to the second loading device 32. |
