Electrical transmission or interconnection systems – Plural supply circuits or sources – Load current control
Reexamination Certificate
2006-10-03
2006-10-03
Sircus, Brian (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Load current control
C307S059000, C307S008000, C307S103000
Reexamination Certificate
active
07116011
ABSTRACT:
Methods and systems of providing power to a central processing unit (CPU) provide for enhanced surge protection and increased battery life. In one approach, an integrated circuit as a power output stage with an output node, and a voltage regulator coupled to the power output stage. The voltage regulator selectively switches the power output stage into a current ramp down mode based on detection of a voltage surge at the output node. The power output stage has an associated current ramp down rate. The CPU is coupled to the output node and a surge notification input of the power output stage, where the power output stage accelerates the current ramp down based on a notification signal from the CPU.
REFERENCES:
patent: 6188209 (2001-02-01), Poon et al.
patent: 6271651 (2001-08-01), Stratakos et al.
patent: 6285175 (2001-09-01), Massie
Nguyen Don J.
Waizman Alex
Gadkari Samjay S.
Intel Corporation
Kaplan Hal I.
Sircus Brian
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