Performance of digital circuits using current management
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United States of America Patent
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Jul 15, 2014
Grant Date -
Feb 7, 2013
app pub date -
Jul 16, 2012
filing date -
Aug 1, 2011
priority date (Note) -
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Abstract
A method for improving the performance of a digital circuit is provided in the illustrative embodiments. A real frequency of operation of the digital circuit is adjusted using a control loop in the digital circuit, the adjusting the real frequency being responsive to a change in an operating condition of the digital circuit. A measurement of a current drawn by the digital circuit is received from a voltage regulator supplying electrical power to the digital circuit. An over-current target current value is received. A voltage output from the voltage regulator to the digital circuit is adjusted such that the current drawn by the digital circuit does not exceed the over-current target current value.
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