Semiconductor device and system using same
A technology of semiconductors and devices, applied in the field of semiconductor devices, can solve the problems of increasing the cost of the driving circuit design change system, etc.
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[0054] 1. Switch circuit
[0055] picture figure 1 As shown, the semiconductor integrated circuit device SW includes two semiconductor chips 1 , 2 . A normally-on SiC JFET 3 is formed in the semiconductor chip 1 , and a normally-off Si-type MOSFET 4 is formed in the semiconductor chip 2 . A SiC JFET 3 and a Si type MOSFET 4 are connected in cascade between a terminal D and a terminal S provided in the semiconductor device SW. That is, between the terminal S and the terminal D, the source-to-drain path of the SiC JFET 3 and the source-to-drain path of the Si-type MOSFET 4 are connected in series. A signal from the drive circuit GD is supplied to the semiconductor device SW. In the drive circuit GD, the gate drive circuits 5 and 6 receive the signals IN1 and IN0 that change according to the input signal IN, and supply the signals that change according to the input signal IN to terminals G1 and G0 of the semiconductor device SW. The terminal G1 is connected to the gate Gj, a...
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