Methods and devices for reducing integrated circuit power...

Details Methods and devices for reducing integrated circuit power... Methods and devices for reducing integrated circuit power...

2006-10-17

2006-10-17

Manuel, George (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

Reexamination Certificate

active

07123958

ABSTRACT:
A voltage step-down circuit reduces the amount of power drawn from the battery of an implantable cardiac stimulation device (ICD) to supply an integrated circuit (IC) within the ICD. The ICD battery supply voltage is reduced to a level that maintains proper operation of the IC. The reduced battery supply voltage is also regulated such that the IC is supplied with a constant voltage source. The IC consumes less power when supplied by the reduced battery supply voltage than when supplied directly by the battery supply voltage. The present invention promotes ICD battery longevity and reduces the need for frequent ICD battery replacements.

REFERENCES:
patent: 3656050 (1972-04-01), Airey
patent: 6091987 (2000-07-01), Thompson
patent: 6185454 (2001-02-01), Thompson
patent: 6353760 (2002-03-01), Lyden

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