System for controlling semiconductor

Details System for controlling semiconductor System for controlling semiconductor

1995-02-08

1996-09-10

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307112, 307113, 439489, 327475, 327545, 606109, 606117, H01H 716

Patent

active

055548938

ABSTRACT:
A device that provides a control system which is capable of positively preventing a semiconductor from suffering from latch up. In order to prevent this latch up, a control circuit controls the semiconductor through a power source switch. The control circuit is capable of supplying a constant voltage to a power source terminal of the semiconductor when it is electrically connected to the power source circuit by turning on the power source switch, and thereafter supplying a control signal to a control terminal of the semiconductor. The control circuit is capable of stopping the output of the control signal to the control terminal and then stopping the supply of voltage to the power source terminal when disconnected from the power source circuit by turning off the power source.

REFERENCES:
patent: 4863233 (1989-09-01), Nieaber
patent: 4866516 (1989-09-01), Hibino et al.
patent: 4869237 (1989-09-01), Eino et al.
patent: 4920413 (1990-04-01), Nakamura et al.
patent: 5228560 (1993-07-01), Naslund
patent: 5435748 (1995-07-01), Abe

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