Power supply device, charging device, controlling method, electronic equipment, and electrically powered vehicle

Abstract

A power supply device includes: a first power supply circuit capable of exerting control of both boosting and bucking; a second power supply circuit configured to be supplied with an output of the first power supply circuit and cause an output to be controlled in accordance with a frequency or a pulse width; and a control unit configured to control the first and second power supply circuits. The control unit is configured to execute control while switching between first control in which the output of the first power supply circuit is made variable and the output of the second power supply circuit is accordingly made variable, and second control in which the output of the first power supply circuit is made constant and the output of the second power supply circuit is set to a predetermined output.

Dependencies are inferred from the claim text.