Brushless DC (BLDC) Motor Fundamentals

Microchip Technology

Padmaraja Yedamale

Technology Paper

February 2004

Brushless Direct Current (BLDC) motors are one of the motor types rapidly gaining popularity. BLDC motors are used in industries such as Appliances, Automotive, Aerospace, Consumer, Medical, Industrial Automation Equipment and Instrumentation. This application note will discuss the construction, working principle, characteristics and typical applications of BLDC motors.

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