Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Massimo Grasso0
Aldo Torti0
Andrea Merello0
Jonas Aleksandravicius0
Date of Patent
November 14, 2006
0Patent Application Number
112088210
Date Filed
August 22, 2005
0Patent Primary Examiner
Patent abstract
Current through a wire is sensed with a shunt resistor and a sense resistor in a current divider circuit. The values of the shunt resistor and sense resistor are related to provide a specified gain ratio to increase a dynamic range of current measurement. The sense resistor is a trimmable resistor, the configuration of which can be discerned from a look-up table based on a level of precision needed for current measurement. The two resistors can also be related by thermal coefficients to improve linearity of current measurements.
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