Motor control circuit
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United States of America Patent
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Jun 18, 2013
Grant Date -
May 31, 2012
app pub date -
Nov 28, 2011
filing date -
Nov 29, 2010
priority date (Note) -
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Abstract
A motor control circuit for a motor is provided. The motor control circuit drives the motor based on torque command data. The torque command data is output by adding speed error data output from a speed error detecting section based on a first reference clock and a speed pulse and phase error data output from a phase error detecting section based on a second reference clock and the speed pulse. Each of the speed error data and the phase error data is output within a detection range set by a setting section provided for each of the speed error detecting section and the phase error detecting section.
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