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Application description

Brushless DC fan is a type of DC motor without mechanical commutators and brushes. It uses an electronic commutation device to overcome the weaknesses of conventional DC motors, such as commutation sparks, poor reliability, high noise, and radio interference. It has the mechanical characteristics and adjustability of a typical DC motor, as well as the advantages of wide speed range, small size, fast start, reliable operation, high efficiency, and long service life. Currently widely used in the small home appliance fan industry, with a general power of less than 100W. The topological structure includes P+N, N+N, and 3 phases.

The advantages of Hongmei:

Smaller packaging size: A dual chip N+N or N+P dual core packaging chip for brushless DC motors.

Greater current capability: The use of CLIP and SMT packaging enhances the chip's heat dissipation capability.

Better reliability: stronger avalanche and impact resistance.