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Anpec releases single-phase, DC brushless fan motor

11 Apr 2016

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Anpec has introduced a single-phase, full-wave motor pre-driver for fan motors. The APX9280 features PWM variable speed control and current-limit, which is suitable for fans, blowers, and

pump motors. The right ROFF resistor value could tune the adequate soft switch time to cut reactive current before phase changes. The PWM control system works depending on the comparison between the voltage of SET, MIN, and OSC.

The device is equipped with built-in lock protection; when fan is locked, the device will enter the

lockup protection mode to prevent coil burnout. It also has rotation detection output and thermal shutdown functions. In normal operation, the supply current is less than 10mA.

The APX9280 is available in TSSOP-20 package.

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