Motor driving circuit and electronic apparatus using the same
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United States of America Patent
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Jan 12, 2016
Grant Date -
Dec 5, 2013
app pub date -
Jun 4, 2013
filing date -
Jun 5, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A motor driving circuit for driving a motor, includes: a detecting circuit configured to detect a detection signal indicative of a current state of the motor; a command value generating unit configured to generate a command value indicative of a target state of the motor; an error amplifier configured to generate an error signal by amplifying an error between the detection signal and the command value; a pulse width modulator configured to generate a pulse signal; and an output circuit. The command value generating unit is configured to provide a variation to the command value.
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International Classification(s)
- B25B:TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR,....
- F16P:SAFETY DEVICES IN GENERAL
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- H02P:CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATO....
- G01R:MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC V....
- H02H:EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
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