Patent ID: 11930573
Assignee: POWER FOREST TECHNOLOGY CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A power supply device, comprising:
a power converter;
a blocking switch, wherein a first terminal of the blocking switch is coupled to an output terminal of the power converter, and a second terminal of the blocking switch is coupled to a load; and
a controller coupled to the power converter and the blocking switch, and configured to control the power converter to provide an output power, wherein the controller comprises:
a first detection circuit configured to detect the output power to obtain a first detection result, wherein the first detection result is a variation of an output current value of the output power; and
a second detection circuit configured to detect electrical characteristics of at least one of the power converter and the blocking switch to obtain a second detection result, wherein the electrical characteristics are different from the output current value,

wherein the controller determines whether to limit output of the output power according to a relationship between the first detection result and the second detection result.