Efficient voltage sensing systems and methods
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United States of America Patent
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May 29, 2018
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Dec 31, 2012
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Dec 31, 2012
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Abstract
Presented systems and methods can facilitate efficient voltage sensing and regulation. In one embodiment, a presented multiple point voltage sensing system includes Multiple point voltage sensing. Multi-point sensing is the scheme where voltage feedback from Silicon to the voltage regulator is an average from multiple points on the die. In one embodiment, multi-point sensing is done by placing multiple sense points across the partition/silicon and merging the sense traces from each sense point with balanced routing. In one embodiment, a presented multiple point voltage sensing system includes Virtual VDD Sensing with guaranteed non-floating feedback. In one exemplary implementation, Virtual VDD Sensing with guaranteed non-floating feedback allows more accurate sensing when a component is power gated off by removing the sensing results associated with the component.
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