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COM OCH211 2-Phase DC Motor Drive IC With FG Output ◼ General Description The OCH211, a one-chip composed of hall sensor and output coil drivers, applied to 2-phase DC motor.
The high sensitivity of Hall effect sensor is suitable for motors from mini-type CPU coolers to blowers and DC fans.
Typical operation current is 0.
4A and operating voltage range is wide.
FG signal, an open collector, provides a square waveform output for the detection of the motor speed.
Using few external components, OCH211, a high performance integrated IC, is designed for a 2-phase DC motor circuit.
The circuit diagram of the typical application example is as below.
OCH211 is availabl...

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