Reducing oscillations in system with foldback current limit...

Details Reducing oscillations in system with foldback current limit... Reducing oscillations in system with foldback current limit...

2006-09-18

2008-12-16

DeBeradinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Electromagnet or highly inductive systems

Reexamination Certificate

active

07466039

ABSTRACT:
System and methodology for driving an inductive load using a pass device for providing hot swap connection to the load. A current limit circuit prevents current supplied to the load from exceeding a current threshold. A foldback circuit controls the current limit circuit to reduce the current threshold when a voltage across the pass device is above a prescribed value. A filter circuit is coupled to the foldback circuit for reducing oscillations when the inductive load is connected to the pass device.

REFERENCES:
patent: 500 587 (2006-02-01), None
patent: WO 2006/081166 (2006-08-01), None
International Search Report and Written Opinion of the International Searching Authority, issued in International Patent Application No. PCT/US2007/020217, dated May 6, 2008.

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