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Patent Searching and Data


Title:
APPARATUS FOR DRIVING SWITCHING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/261353
Kind Code:
A1
Abstract:
An apparatus (100) for driving a switching device (1) is provided with a switching element (E1) and an output unit (21). The output unit (21) comprises: a pair of output terminals (22, 23) connected to the switching device (1) via the switching element (E1); a capacitor (C1) connected between the pair of output terminals (22, 23); a switching element (F1); and a voltage source (B1) connected to the capacitor (C1) via the switching element (F1) for outputting a voltage that is greater in absolute value than a voltage for driving the switching device (1). The switching element (E1) is in off state when the switching device (1) is in off state, while the switching element (E1) is turned on when the switching device (1) is turned on. The switching element (F1) is in on state when the switching device (1) is in off state, while the switching element (F1) is turned off when the switching device (1) is turned on.

Inventors:
MITSUI YOHEI (JP)
Application Number:
PCT/JP2019/025030
Publication Date:
December 30, 2020
Filing Date:
June 25, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H03K17/04; H02M1/08; H03K17/687
Foreign References:
JP2007174134A2007-07-05
JPH05335911A1993-12-17
JPH0221931U1990-02-14
JP2018121386A2018-08-02
JPH05259861A1993-10-08
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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