Invention Grant
- Patent Title: Driving apparatus and driving method
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Application No.: US18172254Application Date: 2023-02-21
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Publication No.: US12218656B2Publication Date: 2025-02-04
- Inventor: Masashi Akahane
- Applicant: FUJI ELECTRIC CO., LTD.
- Applicant Address: JP Kawasaki
- Assignee: FUJI ELECTRIC CO., LTD.
- Current Assignee: FUJI ELECTRIC CO., LTD.
- Current Assignee Address: JP Kawasaki
- Priority: JP2022-064949 20220411
- Main IPC: H03K17/14
- IPC: H03K17/14 ; H03F3/45 ; H03K17/08 ; H03K17/081 ; H03K17/567

Abstract:
Provided is a driving apparatus including a temperature detection circuit configured to output a temperature detection signal corresponding to a temperature of a switching device, a current detection circuit configured to sample, at a timing during an ON period of the switching device, a current detection signal corresponding to a current that flows in the switching device, and a driving circuit configured to adjust, according to the temperature detection signal and the current detection signal, a driving current to be supplied to a control terminal of the switching device. When the current detection signals are the same, the driving circuit may decrease the driving current according to the temperature detection signal indicating a lower temperature of the switching device. When the temperature detection signals are the same, the driving circuit may decrease the driving current according to the current detection signal indicating a smaller current regarding the main current.
Public/Granted literature
- US20230327659A1 DRIVING APPARATUS AND DRIVING METHOD Public/Granted day:2023-10-12
Information query