Long Lifetime Small Brushless DC Motors

12mm brushless DC motors, high speed, high torque.

Know More About Brushless DC Motors

A brushless DC (BLDC) motor is an electrically commutated DC motor which means that the windings on the rotor are excited by the magnets on the stator. This is in contrast to a brushed DC motor where the armature windings are excited by the commutator brushes.

BLDC motors are typically more efficient than brushed DC motors because there are no brushes to cause friction and wear. They also typically have a longer lifespan since there are no brushes to replace. BLDC motors are often used in applications where high efficiency and long lifespan are important, such as in electric vehicles.

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A small brushless DC (BLDC) motor is a type of DC motor that uses electronic commutation instead of brushes for commutation purposes. This results in a more efficient motor with reduced electromagnetic interference (EMI). BLDC motors are often used in applications where space is limited, such as in portable electronics.

BLDC motors are typically more expensive than brushed DC motors due to the additional electronics required for commutation. However, the increased efficiency and reduced EMI of BLDC motors can offset the additional cost in many applications.

The electronic commutation of BLDC motors is controlled by a controller, which typically contains a microcontroller and a driver circuit. The controller takes input signals from sensors, such as Hall effect sensors, to determine the position of the motor shaft. The controller then uses this information to generate the appropriate drive signals for the motor coils.

BLDC motors are typically driven by a three-phase AC voltage. The three phases are offset by 120 degrees, which creates a rotating magnetic field. This rotating field interacts with the permanent magnets in the motor to create torque.