Title:
電力用スイッチング回路
Document Type and Number:
Japanese Patent JP5717915
Kind Code:
B2
Abstract:
A power switching circuit includes a power semiconductor element that includes a main switching element connected in parallel with a main body diode and a sense switching element connected in parallel with a sense body diode; a reverse overcurrent detection circuit that detects an overcurrent flowing in the reverse direction out of currents flowing through a parallel-connection body of the sense switching element and the sense body diode; and a control circuit that drives the gate of the power semiconductor element; wherein when the reverse overcurrent detection circuit detects a reverse overcurrent, the control circuit controls the main switching element and the sense switching element to turn on.
Inventors:
Yasushi Nakayama
Application Number:
JP2014500648A
Publication Date:
May 13, 2015
Filing Date:
February 08, 2013
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02M1/00
Domestic Patent References:
| JPH0677796A | 1994-03-18 | |||
| JP2009268336A | 2009-11-12 | |||
| JPH04167813A | 1992-06-15 |
Foreign References:
| WO2011048845A1 | 2011-04-28 |
Attorney, Agent or Firm:
Masuo Oiwa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa
Takenaka Ikuo
Keigo Murakami
Kenji Yoshizawa