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The project presented here is a three-phase BLDC motor pre-driver. The project consists of 3x half-bridge IR2101 driver IC and 6 channel high current N-MOSFETS. The project can be configured as 3 independent half-bridges H-bridge for a brushed DC motor, or a single high current brushless motor driver. The rotor position can be detected using 3 hall sensors assembled in the motor. Hall-effect shaft position sensors are used to control the switching sequence of the three 1/2 bridge outputs. The bridge voltage can vary between 15V and 60V and the maximum summed bridge current is 10A with a large size heat-sink and sufficient airflow using a fan. This motor driver can be used for multiple applications including e-bikes, battery-powered tools, electric power steering, wheelchairs, or any other application, where a BLDC motor is utilized
15V to 60V – Three-Phase Brushless DC Motor Pre-Driver – [Link]
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