Capacitor lifespan estimation method, lifespan estimation program thereof, information processing device, and capacitor

An information processing device having a capacitor lifespan estimation function, comprising:

• an input part through which drive conditions at least including drive timing information and drive current value information are to be input, the drive timing information being indicative of a plurality of times from a start timing of the capacitor, the drive current value information being indicative of a plurality of drive current values corresponding to the plurality of times respectively, the plurality of drive current values being each indicative of a drive current value at a corresponded time of the plurality of times and fluctuating, the temperature change characteristic information including an equivalent series resistance, a thermal resistance, and a thermal capacity of the capacitor;
• a storage part being configured to store the drive conditions and temperature change characteristic information of a capacitor;
• and
• a processing part including a heat generation estimation part being configured to calculate an estimated heat generation temperature by using the drive conditions and the temperature change characteristic information, and a lifespan estimation part being configured to calculate an evaporation amount of an electrolytic solution of the capacitor after elapse of a reference time by using the estimated heat generation temperature and calculate a lifespan estimation value of the capacitor by using the evaporation amount of the electrolytic solution.