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【CW32】Brushless motor gimbal

Overview

Brushless motor gimbal based on CW32

hardware design:

12V to 5V power supply using MT2492 solution

5V to 3.3V power supply uses 1117 scheme to power MCU

The PC13 pin of CW32 is connected to the onboard LED to indicate the operating status.

Magnetic encoder: There is an AS5600 magnetic encoder attached to the center of the PCB, set to CW clockwise mode, with default IIC protocol output, and H2 is reserved for PWM output. By attaching a small radially magnetized magnet to the motor shaft, the motor angle value can be obtained.

The first production, using upper and lower bridge driver chips to prevent tube explosion.

Code verification:

It has been preliminarily verified that the magnetic encoder reads normally, and the motor rotation angle and angular velocity values can be read. (displayed in radians)

After that, we will continue to study the control theory, ~~let~~ the brushless motor start, open-loop control, and finally closed-loop control to achieve FOC.

Design Files

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Update:2025-05-08 15:02:00

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