Tech Topics

STM32F103C8T6: Applications in Motor Control & FOC Algorithms

2025-08-22 16:20:00 jnadm

KINGROLE

Performance Advantages of the STM32F103C8T6 in Motor Control

Motor control requires high real-time performance and multi-channel PWM The STM32F103C8T6 integrates multiple advanced timers and supports three-phase PWM output, enabling direct drive of brushless or stepper motors.

STM32F103C8T6 Timer and Interrupt System

This MCU has up to four 16-bit timers and one 32-bit timer built in, which can be configured in PWM mode, capture and compare mode, and can be used in conjunction with the interrupt system to achieve closed-loop control.

The Role of the STM32F103C8T6 in the Field Oriented Control (FOC) Algorithm

For applications requiring high-precision control, the FOC (Field Oriented Control) algorithm can be implemented on the STM32F103C8T6. Using DMA reduces CPU usage, enabling smoother and more efficient motor operation.

STM32F103C8T6 vs. Other Motor Control MCUs

Compared to dedicated motor control MCUs, the STM32F103C8T6 offers lower cost and can implement a variety of control algorithms via software. It provides ample performance headroom for small to medium-sized motor control applications.

STM32F103C8T6 Motor Control Application Considerations

During design, pay attention to power supply decoupling, driver chip matching, and electromagnetic compatibility to ensure the quality of the STM32F103C8T6's PWM waveform and avoid interference with sensors or communication interfaces.

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