Title:
電子制御装置
Document Type and Number:
Japanese Patent JPWO2020080029
Kind Code:
A1
Abstract:
電源瞬断時に駆動回路を制御する。電源OFF時にメイン電源からサブ電源に切り替え、サブ電源としては昇圧回路の残電荷を降圧回路を用いて駆動回路の駆動電圧まで降下させたものを利用する。
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Inventors:
Yuta Mifune
Koichi Sakurao
Koichi Sakurao
Application Number:
JP2020552982A
Publication Date:
October 14, 2021
Filing Date:
September 19, 2019
Export Citation:
Assignee:
Hitachi Astemo, Ltd.
International Classes:
F02M51/00; F02D41/20; H01F7/18; H02M3/00
Domestic Patent References:
| JP2016211425A | 2016-12-15 | |||
| JPH05252672A | 1993-09-28 | |||
| JPS6464534A | 1989-03-10 | |||
| JPH066934A | 1994-01-14 | |||
| JP2009100546A | 2009-05-07 | |||
| JP2010233380A | 2010-10-14 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation