This circuit takes advantage of the voltage drop across bridge rectifier diodes to produce a 5-position variable voltage supply to a DC fan or other small DC motor. It is not as efficient as a ...
Let us begin this session by revisiting a nostalgic motor control IC—the AN6651—designed for rotating speed control of compact DC motors used in tape recorders, record players, and similar devices.
New motor driver ICs focus on ultra-low standby power, flexible H-bridge configurations, and reduced external components to support compact consumer and industrial motor control applications.
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