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Brushes banished – SPONSORED TUTORIAL

Single chip solutions for simplified high efficiency brushless dc motor control.

Demand for brushless dc motors is growing in many applications. They offer many advantages over brushed dc and induction motors, including better efficiency, quieter and cleaner operation, better torque relative to motor size, faster dynamic response and a long, low maintenance operating life.

However, they require a relatively complex and expensive controller whereas a brushed dc or induction motor used at fixed speed does not. This is why good, reduced cost controllers are essential if designers are to exploit the positive features of brushless dc motors within new application areas.

New semiconductor technologies are helping to achieve this goal by providing single chip alternatives to discrete designs.

Georges Tchouangue

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