Other

Hitachi, Ltd.

Hitachi Information & Control Solutions, Ltd.

Tomoyuki Utsumi

Koichi Suda

Kenji Sakurai

Shoichi Ozeki

Mitsuhiro Mishima

Shoichi Ohozeki

In order to prevent a short circuit of top and bottom arms of a motor driving IC when noise is added to six control signals for controlling six switching elements, there is provided a semiconductor device for driving a motor, being sealed with resin as one package and comprising: six switching elements for driving a three-phase motor; three output terminals for outputting voltages to the three-phase motor; at least one driving circuit for driving the six switching elements; three control signal input terminals; and a function) of generating six control signals for control of the six switching elements based on three control signals inputted through the three control signal input terminals.

Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor

An insulated gate transistor comprising a first semiconductor region, a second semiconductor region includes plural portions, a third semiconductor region, a fourth semiconductor region, a first insulation layer, control electrodes, a first main electrode, and a second main electrode, wherein a metallic wiring layer is provided on the first main surface plane via an insulating layer, plural regions insulated from the first main electrode are provided through said first main electrode, and the metallic wiring layer is connected electrically to the control electrode through the insulating layer via the region insulated from the main electrode.

Insulated gate bipolar transistor decreasing the gate resistance

Growing community of inventors

Hitachi, Japan

Tomoyuki Utsumi