Method for efficient supply of power to a microcontroller
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United States of America Patent
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Jun 10, 2008
Grant Date -
Sep 8, 2005
app pub date -
May 9, 2005
filing date -
Oct 30, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and a system for supplying power to a microcontroller with a single cell. One embodiment of the present invention discloses incorporation of a power supply pump circuit with the microcontroller and their dynamic interaction. The microcontroller sends its power requirements to the power supply pump circuit and in response, the power supply pump circuit controls the operating voltage with optimal efficiency. The dynamic update of power supply pump circuit results in an efficient use of the power supply pump circuit and thus results in a reduction of the number of dry cell batteries to only a single cell. Incorporation of the microcontroller and power supply pump circuit onto a single chip reduces the pin number requirements as well as the space required on the printed circuit board.
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