Motor drive control device and motor drive control method
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Sep 9, 2016
filing date -
Mar 10, 2016
priority date (Note) -
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Abstract
According to one embodiment, a motor drive control device includes a PWM control circuit that generates PWM signals corresponding to a predetermined exciting current pattern, an H bridge circuit that is constituted of switch transistors whose on/off is controlled by the PWM signals, a coil to which an exciting current is supplied from the H bridge circuit, and a current detection circuit that detects a current flowing into the coil. A value of a parameter of the exciting current pattern is corrected by using the detection result of the current detection circuit.
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