Miniaturization of isolated gate-drive circuit by means of megahertz-switching converter

Author

Ninomiya, Tamotsu ; Tanizoe, Yukihiro ; Manabe, Takashi ; Itoh, Masayasu

Author_Institution

Dept. of Electron., Kyushu Univ., Fukuoka, Japan

fYear

1991

fDate

24-27 Jun 1991

Firstpage

800

Lastpage

805

Abstract

A miniaturized and isolated gate-drive circuit is presented for multitransistor systems such as a motor drive system and a bridge-type converter and inverter. This gate-drive circuit is composed of a 16 MHz switching DC-DC converter, which transmits the driving power to the gate of the main power switch, and a photo-coupler, which controls the intermittent operation of this DC-DC converter according to the PWM control signal. The gate-drive circuit can be miniaturized considerably when compared with the conventional one

Keywords

bridge circuits; driver circuits; power convertors; pulse width modulation; semiconductor switches; switching circuits; 16 MHz; DC-DC converter; PWM control signal; bridge-type converter; inverter; isolated gate-drive circuit; megahertz-switching converter; miniaturisation; motor drive system; multitransistor systems; photo-coupler; power switch; DC-DC power converters; Frequency; Motor drives; Power supplies; Pulse transformers; Pulse width modulation; Pulse width modulation converters; Pulse width modulation inverters; Switching circuits; Switching converters;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Electronics Specialists Conference, 1991. PESC '91 Record., 22nd Annual IEEE

Conference_Location

Cambridge, MA

Print_ISBN

0-7803-0090-4

Type

conf

DOI

10.1109/PESC.1991.162766

Filename

162766