4 Field Oriented Control (FOC) Implementation

Microchip provides a broad range of 32-bit microcontrollers to cater to an extensive range of applications making them popular choices for Motor control applications. For more details on Microchip’s 32-bit motor control MCU portfolio, refer to the Appendix.

This section provides a high-level overview of the SMO-based sensorless FOC implementation details using Microchip’s SAME70 MCU as an example. The implementation details hold for other Microchip’s 32-bit MCUs as well.

The following figure shows a simplified system-level diagram of the SMO based sensorless FOC PMSM drive:

Figure 4-1. System-Level Diagram of SMO Based Sensorless FOC PMSM Drive