Patent ID: 11888321
Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  G  Y | IPC H

Claim 18:
19. The method according to claim 18, wherein the buck-boost circuit comprises a first capacitor, a first switch, a second switch, an inductor, a third switch, a fourth switch, and a second capacitor, wherein
a first end of the first capacitor is connected to a first end of the first switch, a second end of the first capacitor is connected to all of a first end of the second switch, a first end of the third switch, and a first end of the second capacitor, a second end of the first switch is connected to both a first end of the inductor and a second end of the second switch, a second end of the inductor is connected to both a second end of the third switch and a first end of the fourth switch, a second end of the fourth switch is connected to a second end of the second capacitor, a third end of the first switch is configured to input a signal for controlling a status of the first switch, a third end of the second switch is configured to input a signal for controlling a status of the second switch, a third end of the third switch is configured to input a signal for controlling a status of the third switch, and a third end of the fourth switch is configured to input a signal for controlling a status of the fourth switch; and
the first-type switch is the third switch and the fourth switch, the first-type switch is the second switch and the fourth switch, or the first-type switch is the second switch, the third switch, and the fourth switch.