Title:
LOAD DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/130892
Kind Code:
A1
Abstract:
A load drive device (1) that drives an inductive load (2) is provided with: a first switch (11) electrically connected to the high side of the inductive load; a second switch (12) electrically connected to the low side of the inductive load; and a control unit (15) that is provided so as to control drive of the first switch and the second switch. The control unit is configured so as to output a first drive signal, i.e., a PWM signal for driving the first switch, and a second drive signal, which is a PWM signal for driving the second switch, and which has a predetermined phase difference with respect to the first drive signal.
Inventors:
SHIMASAKI SHOTA (JP)
Application Number:
PCT/JP2018/042358
Publication Date:
July 04, 2019
Filing Date:
November 15, 2018
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H03K17/16; H01F7/18; H03K17/695
Foreign References:
| JP2010206247A | 2010-09-16 | |||
| JPH06112791A | 1994-04-22 | |||
| JP2016213659A | 2016-12-15 | |||
| JPH09327117A | 1997-12-16 | |||
| JP2013012902A | 2013-01-17 | |||
| JP2005337093A | 2005-12-08 | |||
| EP1400674A2 | 2004-03-24 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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