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Patent Searching and Data


Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/246481
Kind Code:
A1
Abstract:
A drive device (1) is provided with an inverter unit (65) and a charge pump circuit (30, 35). The inverter unit (65) has an upper arm element (651) and a lower arm element (652), and converts power to be supplied to a load. The charge pump circuit (30, 35) supplies a gate voltage to the upper arm element (651). The output voltage of the charge pump circuit (30) varies in accordance with the inverter input voltage input from an inverter input line (601) to the high-potential side of the inverter unit (65).

Inventors:
MATSUDA KUNIHIKO (JP)
Application Number:
PCT/JP2021/021174
Publication Date:
December 09, 2021
Filing Date:
June 03, 2021
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
H02M1/08; H02M7/48
Foreign References:
JP2018019520A2018-02-01
JP2005006467A2005-01-06
JP2017529046A2017-09-28
JP2020061868A2020-04-16
Attorney, Agent or Firm:
HATTORI & PARTNERS (JP)
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