Title:
GATE DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/096828
Kind Code:
A1
Abstract:
A gate drive device that drives a plurality of gate drive-type semiconductor elements (1a, 1b) connected in parallel is provided with: a constant current circuit (3) for supplying constant currents to the gates of the plurality of semiconductor elements; a plurality of switching elements (4a, 5a) provided in paths for supplying gate currents to the respective gates of the plurality of semiconductor elements from the constant current circuit; and a drive control unit (6) for controlling the driving of the plurality of switching elements so that the constant currents supplied from the constant current circuit are supplied to the respective gates of the plurality of semiconductor elements.
Inventors:
SENDA YASUTAKA (JP)
Application Number:
PCT/JP2017/036988
Publication Date:
May 31, 2018
Filing Date:
October 12, 2017
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02M1/08; H03K17/06; H03K17/56; H03K17/687
Foreign References:
| JP2014143788A | 2014-08-07 | |||
| JP2002142445A | 2002-05-17 | |||
| JP2002369498A | 2002-12-20 |
Attorney, Agent or Firm:
SATO INTERNATIONAL PATENT FIRM (JP)
Download PDF: