The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 11, 2024
Filed:
Feb. 04, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Yukimasa Higashi, Tokyo, JP;
Koji Yamamoto, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The object of the present disclosure is to provide a power semiconductor device capable of miniaturization. According to the present disclosure power semiconductor device includes a semiconductor switching element configured to control a current flowing through a primary coil composing an ignition coil, and a control circuit configured to control drive of the semiconductor switching element, in which the control circuit includes a first constant current source, a first transistor with an output terminal thereof connected to a control terminal of the semiconductor switching element, a resistor with one end thereof connected to a control terminal of the first transistor and an other end thereof connected to the constant current source, a capacitor with one end thereof connected to the control terminal of the first transistor and an other end thereof grounded, and a second transistor with an input terminal thereof connected to the resistor and an output terminal grounded.