Title:
スイッチの駆動回路
Document Type and Number:
Japanese Patent JP7043903
Kind Code:
B2
Abstract:
In a drive circuit, one of an upper-arm switch and a lower-arm switch being in an on state by a main driver is referred to as a target arm switch. The other of the upper-arm switch and the lower-arm switch being in an off state by the main driver is referred to as an opposite arm switch. An intrinsic diode connected in antiparallel to the opposite arm switch is referred to as an opposite arm diode. The drive circuit includes a protective driver configured to determine whether a failure has occurred in the target arm switch. The protective driver is configured to change the target arm switch from the on state to the off state, and the opposite arm switch from the off state to the on state upon determining that a failure has occurred in the target arm switch.
Inventors:
Kengo Mochiki
Mitsunori Kimura
Keitoku Hayashi
Mitsunori Kimura
Keitoku Hayashi
Application Number:
JP2018045667A
Publication Date:
March 30, 2022
Filing Date:
March 13, 2018
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H02M1/08; H02M7/48
Domestic Patent References:
| JP2018011404A | ||||
| JP2016005289A | ||||
| JP2016034178A | ||||
| JP2017163733A | ||||
| JP2013201817A | ||||
| JP2018015865A |
Foreign References:
| WO2013125366A1 | ||||
| WO2015045531A1 |
Attorney, Agent or Firm:
Yamada Tsuyoshi
Kyoko Hino
Hiroshi Matsuda
Yusuke Kita
Kyoko Hino
Hiroshi Matsuda
Yusuke Kita