Power supply management controller integrated circuit, power management circuit for electrically powered systems, and method of managing power to such systems
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United States of America Patent
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Aug 25, 2015
Grant Date -
Oct 27, 2011
app pub date -
Nov 12, 2009
filing date -
Nov 12, 2008
priority date (Note) -
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Abstract
A power supply management controller integrated circuit for managing power supply to system units of a system, comprising power supply means for powering the system units, a power supply control unit for controlling the powering, a wake-up timer unit, and means for acknowledging an active or passive state of the system, wherein the power supply control unit is arranged for cooperating with the means for acknowledging the state of the system for enabling the power supply control unit to cease powering of the system units for de-activation of the system during the passive state of the system, and for enabling the power supply control unit to maintain powering during an active state of the system, and wherein the power supply control unit is arranged for cooperating with the wake-up timer unit for periodically powering the system units during the passive state of the system for enabling activation of the system.
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