Method and device in power transistor

Details Method and device in power transistor Method and device in power transistor

1998-08-18

2000-02-01

Jackson, Stephen W.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361 93, 361115, H02H 300

Patent

active

060210362

ABSTRACT:
A method and a device for controlling a switching operation consisting of a turn on or a turn off operation in a voltage controlled power transistor is provided. At least one current source is arranged at the control electrode of the power transistor. The at least one current source controls the recharging of at least one of the capacitances which occurs between the control electrode of the power transistor and the main electrode of the power transistor to determine the time rate of change of at least one of the voltage and current.

REFERENCES:
patent: 4540893 (1985-09-01), Bloomer
patent: 4947063 (1990-08-01), O'Shaughnessy et al.
patent: 5077651 (1991-12-01), Kobayshi et al.
patent: 5204562 (1993-04-01), Pace
patent: 5828539 (1998-10-01), Bijlenga

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