AN12435 NXP Semiconductors Application Notes
●Introduction
■This application note describes the design of a 3-phase Brushless DC (BLDC) motor control drive using a sensorless algorithm and 3-phase low-voltage power stage DEVKIT-MOTORGD based on SMARTMOS®MC34GD3000 pre-driver. DEVKIT-MOTORGD is designed to supply low power 3-phase Permanent Magnet (PM)motors and measure analog and digital quantities required by this application.
■This design serves as an example of motor control design using NXP family of automotive motor control MCUs based on a 32-bit ARM®Cortex®-M4F optimized for a full range of automotive applications.
■Following are the supported features:
▲3-phase BLDC speed control based onSix-step commutation control
▲Shaft position obtained by Hall sensor or by BEMF (Back Electromotive Force) voltage zero-crossing detection technique
▲DC-bus current,DC-bus voltage and BEMF voltage sensing
▲Motor speed determined by Hall sensor period or BEMF zero-crossing period
▲Application control user interface using FreeMASTER debugging tool
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3-Phase Sensorless BLDC Motor Control Kit 、 3-phase Brushless DC (BLDC) motor control drive |
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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04/2019 |
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Rev. 0 |
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AN12435 |
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5.4 MB |
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