| 摘要 |
PROBLEM TO BE SOLVED: To provide an automobile power supply capable of improving efficiency with the suppression of a capacitor deterioration.SOLUTION: In an automobile power supply for supplying power, power outputted from at least either one of an alternator 1 and a battery 2 is supplied to a capacitor 4 through a current adjustment circuit, the current adjustment circuit includes: a resistance value adjustment circuit 11 connected between the battery 2 and the capacitor 4, and in which a plurality of resistance elements including a switch function for selecting whether or not to connect are connected parallel to one another; and a control unit 13 which, according to a rise of an output voltage Vc of the capacitor 4, controls to open and close a switch of each resistive element to change a resistance value of the resistance value adjustment circuit 11.SELECTED DRAWING: Figure 1 |
