Device and method for driving a capacitive actuator

Details Device and method for driving a capacitive actuator Device and method for driving a capacitive actuator

1998-03-10

2000-06-20

Zweizig, Jeffrey

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327390, H03B 100

Patent

active

06078198&

ABSTRACT:
A power MOSFET switch is connected in parallel to a capacitive actuator for the purpose of protecting the actuator against over-voltage. The protective power MOSFET switch is rendered conductive by a supplemental circuit when the actuator voltage exceeds a predetermined threshold limit voltage or when the control circuit emits a corresponding signal.

REFERENCES:
patent: 5086365 (1992-02-01), Lien
patent: 5565790 (1996-10-01), Lee
patent: 5689208 (1997-11-01), Nadd
"Integrierte Uberspannungs-Schutzschaltung", Dipl.-Ing. Detlef Bergmann, Elektronik, 1979, vol. 26, pp. 66-68.

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