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  • How to select Hall-effect sensors for brushless dc motors
    Brushless dc (BLDC) motors need to operate more efficiently as energy and cost. savings becomes a bigger concern for designers of electronic devices. One way to. help ensure greater efficiency is by selecting the correct bipolar latching Hall-effect sensor IC for electronic commutation in BLDC
  • Medical Device Link .
    Spotlight on Precision Motion Control A three-phase bridge-type brushless dc motor driver uses pulse-width modulation to control speed. The BLDC-350 has a brake input to enable dynamic and static motor braking. The controller includes Hall-effect sensors for commutation, and an integral heat sink
  • Get ready for the next wave of energy-efficient washers
    processor to run washer application code and a separate processor (MCE) dedicated to managing the PM synchronous motor. The chip implements a sensorless control algorithm that eliminates the need for feedback from Hall-effect sensors to manage commutation. A single shunt resistor is used for motor
  • Reducing cogging torque in brushless motors
    is a Hall-effect device. The shape of the magnetic flux density in the air gap of an assembled motor is an indicator of its cogging torque. An example are these three curves shown for one pole pair. Each theoretical curve represents different magnetization and pole-arc angles for the same air gap length
  • What are Brushless DC Motors and how do they work?
    As the name states, brushless DC (BLDC) motor work on conventional Direct Current (DC) voltage without any brushes. Commutation is done electronically for these type motors. The three types of devices used for shaft position sensing are Resolvers, Encoders, and Hall Effect devices. Resolvers
  • If you can't conserve energy, stay out of the kitchen
    processor (MCE) dedicated to managing the PM synchronous motor. The chip implements a sensorless control algorithm that eliminates the need for feedback from Hall-effect sensors to manage commutation. A single shunt resistor is used for motor phase-current

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