Gate drive circuit to reduce parasitic coupling
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United States of America Patent
Stats
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Feb 6, 2018
Issued Date -
N/A
app pub date -
May 6, 2016
filing date -
May 7, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drive circuit including a first transformer unit in connection with a pulse amplifier module and a second transformer unit in connection with a plurality of power semiconductor groups, each group containing one or more power devices. The first transformer unit includes at least one primary transformer configured to receive a current pulse at a primary winding from a current pulse generation module, the current pulse being reflected to a secondary winding. The second transformer unit includes a plurality of secondary transformers where each secondary transformer is configured to receive the current pulse at a primary winding thereof, the current pulse being reflected to a secondary winding coupled to a pulse receiver module. The first and second transformer units reduce parasitic coupling between the pulse receiver module and the control module.
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Patent Citation Ranking
- 1 Citation Count
- H03K Class
- 21.67 % this patent is cited more than
- 7 Age
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