Current sensor positioning error correction using auxiliary hall cells
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United States of America Patent
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Jan 30, 2018
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app pub date -
Jan 15, 2015
filing date -
Jan 15, 2015
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Abstract
A current sensor may comprise a first Hall cell, a second Hall cell, a third Hall cell, a fourth Hall cell, and a fifth Hall cell to a set of magnetic field values associated with a magnetic field generated by a current passing through a current rail. The second Hall cell may be positioned at a first distance from the first Hall cell, and the third Hall cell may be positioned at a second distance from the first Hall cell such that the third Hall cell is positioned between the first Hall cell and the second Hall cell. The fourth Hall cell may be positioned adjacent to the first Hall cell, and the fifth Hall cell may be positioned at a third distance from the fourth Hall cell. The magnetic field values may be used to determine an amount of current associated with the current passing through the current rail.
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