Power reception device
AssigneeLapis Semiconductor Co., Ltd.
InventorTakashi Taya
Life of this patent
Estimating the term…
Abstract
A power reception device has: a rectifier circuit that generates a direct current voltage by having applied thereto an alternating current voltage, and has first and second output terminals that output the direct current voltage; a transistor, the drain and source of which are connected to the first and second output terminals; a gate driver circuit that controls the gate voltage of the transistor according to the voltage between the first and second output terminals; and a capacitor that has a first end that is connected to the drain of the transistor and a second end that is connected to the gate of the transistor.
Claims8
A power reception device, comprising:
- a rectifier circuit that is configured to receive an alternating current voltage and to generate a direct current voltage based on the alternating current voltage, the rectifier circuit having first and second output terminals that are configured to output the direct current voltage;
- a transistor having a drain and a source that are connected, respectively, to the first and second output terminals;
- a gate driver circuit that is configured to control a gate voltage of the transistor according to a voltage between the first and second output terminals;
- and
- a capacitor having a first end connected to the drain of the transistor and a second end connected to the gate of the transistor,
- wherein the gate driver circuit includes a current source circuit having an output connected to the first end of the capacitor and the gate of the transistor.
Dependencies are inferred from the claim text.