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Patent Searching and Data


Title:
Semiconductor drive and semiconductor device
Document Type and Number:
Japanese Patent JP6304966
Kind Code:
B2
Abstract:
A semiconductor driving device includes a negative surge detection circuit and a level shifter circuit. The negative surge detection circuit detects whether the negative surge occurs at a connection point between a P-side SW element and N-side SW element. The level shifter circuit maintains a driving voltage used in driving the P-side SW element upon the negative surge detection circuit detecting occurrence of the negative surge.

Inventors:
Motoki Imanishi
Kenji Sakai
Nakajima Tenki
Application Number:
JP2013162248A
Publication Date:
April 04, 2018
Filing Date:
August 05, 2013
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
H02M1/08; H02M7/48
Domestic Patent References:
JP2005176174A
JP9009608A
JP2004023576A
Attorney, Agent or Firm:
Yoshitake Hidetoshi
Takahiro Arita