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This compact answer gives high-precision place and pace management, integrating the superior motor controller for seamless FOC.
The EVALKIT-ROBOT-1 is a complete reference design for a servo brushless answer. It gives an entire bundle for these seeking to implement high-precision place and pace management of their functions. Central to this design is the STSPIN32F0A, a complicated 3-phase motor controller that integrates a Cortex-M0 microcontroller. This microcontroller executes Area-Oriented Management (FOC) with closed-loop positioning, making certain correct and responsive management of the motor. The reference design gives an entire answer for high-precision motor management, combining a strong and built-in management board with a high-performance motor and encoder. This design is well-suited for functions requiring dependable and correct positioning and pace management.
The reference designs by ST Microelectronics energy stage can deal with as much as 36V and 6A peak, offering ample energy for a variety of functions. The inclusion of STL7DN6LF3 Twin N-channel MOSFETs, rated at 60V and 35mΩ, additional enhances the design’s energy dealing with capabilities. Moreover, the board incorporates corridor sensors and implements present sensing and overcurrent safety, making certain secure and dependable operation. The motor chosen for this reference design is the Maxon EC-i 40, a 100W 3-phase brushless DC motor identified for its excessive torque density and low cogging torque. When paired with the Maxon ENX 16 EASY 1024-pulse incremental encoder, this motor offers distinctive accuracy and robustness, making it a superb alternative for demanding positioning and pace management duties.
Communication with the management board is made straightforward via the RS-485 interface, utilizing the MODBUS protocol, permitting for seamless integration into a wide range of programs. The compact footprint of the board, measuring simply 40mm x 40mm, makes it appropriate for functions the place area is a premium. The firmware, a key part of this design, offers an instance implementation of positioning management based mostly on the FOC library. This firmware is suitable with a number of toolchains, together with IAR Embedded Workbench, and KEIL-ARM µVision but additionally helps MODBUS RTU communication, making certain seamless integration with present programs, a testomony to the flexibleness of our design.
STMicroelectronics has examined this reference design, which comes with a Invoice of Materials (BOM), schematics, and different knowledge. The corporate’s web site has further knowledge concerning the reference design. To learn extra about this reference design, click on right here.
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