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Title:
ELECTRONIC CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/080029
Kind Code:
A1
Abstract:
According to the present invention, a driving circuit is controlled at the time of instantaneous interruption of a power supply. When the power supply is cut off, a main power supply is switched to a sub power supply, and, as the sub power supply, residual charges of a step-up circuit are dropped to a driving voltage of the driving circuit by using a step-down circuit.

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Inventors:
MIFUNE YUTA (JP)
TSUKIO KOICHI (JP)
Application Number:
PCT/JP2019/036683
Publication Date:
April 23, 2020
Filing Date:
September 19, 2019
Export Citation:
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Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
F02M51/00; B60R16/03; F02D41/20; H01F7/18; H02M3/00; H03K17/687
Foreign References:
JP2016211425A2016-12-15
JPH05252672A1993-09-28
JPS6464534A1989-03-10
JPH066934A1994-01-14
Attorney, Agent or Firm:
TODA Yuji (JP)
Download PDF:
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