Coil driver IC having a circuit capable of placing a coil connected output terminal into a floating state
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United States of America Patent
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Aug 8, 2017
Grant Date -
Oct 27, 2016
app pub date -
Apr 25, 2016
filing date -
Apr 24, 2015
priority date (Note) -
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Abstract
A coil-driving IC having a first output terminal configured connected to a first terminal of a coil and a second output terminal configured connected to a second terminal of the coil is disclosed. The coil-driving IC comprises a first switch connected to the first output terminal; a second switch connected to the second output terminal; a current driving part comprising a first current terminal connected to the first output terminal via the first switch and a second current terminal connected to the second output terminal via the second switch; and a gate driving part controlling the first switch and the second switch so that, when the coil is driven by a current provided from the first current terminal or the second current terminal, the first switch and the second switch are in an ON state, otherwise, the first switch and the second switch are in an OFF state.
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