Controller for power bipolar transistor

Details Controller for power bipolar transistor Controller for power bipolar transistor

1996-08-08

1998-10-06

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

327427, 327432, H03K 1760

Patent

active

058182845

ABSTRACT:
A base current controlling circuit for a power bipolar transistor comprising a first controlling device giving the base current only two states which are a "conduction" state and a "cut-off" state, and a second controlling device adjusting the condition of the power bipolar transistor to a predetermined preferable condition by controlling the base current value in response to a result of detection of a condition of the power bipolar transistor.

REFERENCES:
patent: 4095127 (1978-06-01), Nerem
patent: 4491744 (1985-01-01), Corey
patent: 5055722 (1991-10-01), Latos et al.
patent: 5359244 (1994-10-01), Hopkins
patent: 5446406 (1995-08-01), Gantioler et al.

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