Potential and rate adjust header switch circuitry reducing...

Details Potential and rate adjust header switch circuitry reducing... Potential and rate adjust header switch circuitry reducing...

2004-08-16

2009-08-04

Tra, Quan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S544000

Reexamination Certificate

active

07570100

ABSTRACT:
System and method for providing power to circuitry while avoiding a large transient current. A preferred embodiment comprises a distributed switch (such as switch arrangement400) with a plurality of switches (such as switch405) coupling a power supply to the circuitry. Each switch is individually controlled by a control signal and is turned on sequentially. Also coupled to each switch is a pre-driver circuit (such as pre-driver circuit410). The pre-driver circuit comprises a potential adjust circuit (such as potential adjust circuit505) that rapidly adjusts a voltage potential at the switch and a rate adjust circuit (such as the rate adjust circuit520) that accelerates the power ramp-up across the switch once transient currents are no longer a concern. Adjusting the voltage potential so that the switch operates in a saturation mode increases an effective capacitance across the switch and thereby retarding the power ramp-up across the switch.

REFERENCES:
patent: 5781050 (1998-07-01), Russell
patent: 6084456 (2000-07-01), Seol
patent: 6429687 (2002-08-01), Ishihara et al.
patent: 10163826 (1998-06-01), None

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