Invention Grant
- Patent Title: Driving apparatus and switching apparatus
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Application No.: US16705223Application Date: 2019-12-06
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Publication No.: US10944395B2Publication Date: 2021-03-09
- Inventor: Kunio Matsubara , Hirotoshi Kaneda
- 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: JPJP2017-091478 20170501
- Main IPC: H03K17/082
- IPC: H03K17/082 ; H03K17/28 ; H03K17/16

Abstract:
A driving apparatus including: gate driving circuit to drive gates of a first semiconductor element and a second semiconductor element connected in series between a positive side power supply line and a negative side power supply line; a first timing generating circuit to generate a first timing signal when voltage applied to the second semiconductor element becomes reference voltage during a turn-off period of the first semiconductor element; and a first driving condition change circuit, wherein the gate driving circuit relaxes change in a charge amount of the gate of the first semiconductor element, according to the first timing signal.
Information query
IPC分类: