How to Select Hall-Effect Sensors for Brushless DC Motors

BLDC motors use electronic instead of mechanical commutation to control the power distribution to the motor. Latching Hall-effect sensors, mounted in the motor, are used to measure the motor’s position, which is communicated to the electronic controller to spin the motor at the right time and right orientation. These Hall-effect sensors are operated by a magnetic field from a permanent magnet or an electromagnet, responding to South (operate) and North (release) poles. These magnetic sensors determine when the current should be applied to the motor . . .

BLDC motors use electronic instead of mechanical commutation to control the power distribution to the motor. Latching Hall-effect sensors, mounted in the motor, are used to measure the motor’s position, which is communicated to the electronic controller to spin the motor at the right time and right orientation.

How to Power and Control Brushless DC Motors

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