Invention Grant
- Patent Title: Gate drive apparatus and switching apparatus
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Application No.: US16368760Application Date: 2019-03-28
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Publication No.: US11038499B2Publication Date: 2021-06-15
- Inventor: Nobuharu Kusakari
- Applicant: FUJI ELECTRIC CO., LTD.
- Applicant Address: JP Kanagawa
- Assignee: FUJI ELECTRIC CO., LTD.
- Current Assignee: FUJI ELECTRIC CO., LTD.
- Current Assignee Address: JP Kanagawa
- Priority: JPJP2018-091618 20180510
- Main IPC: H03K17/687
- IPC: H03K17/687 ; H03K17/06

Abstract:
A drive apparatus that drives a control terminal of a main switching element establishing/cutting off an electrical connection between a first main terminal and a second main terminal is provided, including first to fourth switching elements establishing/cutting off electrical connections between a positive terminal of a power source and the control terminal, the positive terminal and the second main terminal, the control terminal and a negative terminal of the power source, and the second main terminal and the negative terminal, respectively, and a resistance of at least one among a path between the control terminal and the second main terminal via the first to second switching elements, a path via the first and fourth switching elements, a path via the second to third switching elements, and a path via the third to fourth switching element is different from a resistance of at least one of the others.
Information query
IPC分类: