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Low-cost SAM C2x MCUs balance memory and features to provide an optimized solution to drive a single three-phase motor control application. Because these devices can run directly from 5V, they reduce the number of voltage supplies required in an application, making them perfect for portable battery-powered motor applications such as tools, vacuums, small robotics and toys that use multiple LiPO batteries. The dual sample-and-hold ADCs make easy work of complex timing requirements for reconstructing back EMF signals, and the high-speed comparators ensure cycle-by-cycle overcurrent limiting for increased application safety and robustness. A Sigma-Delta ADC is also available, which can be used for V/I tracking, high-accuracy temperature sensing and general metrology functions.
A simplified application block diagram is shown above representing the major connections from the SAM C2x to the power stage.
Simulation and Modeling Tools
SAM C2x devices are supported in the open-source Scilab® simulation package, a two-part modeling environment that includes the Scilab main and Xcos system modeler.
Scilab Key Features
- Mathematics and simulation
- Data visualization
- Optimization
- Statistics
- Control system design and analysis
- Signal processing
- Algorithm development
- Application deployment
Xcos Key Features
- Standard palettes and blocks
- Model building and edition
- Model customization and Modelica blocks creation
- Simulation
Software and Hardware Development Tools
SAM C2x series devices are supported in MPLAB® Harmony, which includes software examples and configuration tools. This fully integrated embedded software development framework for our 32-bit MCUs provides flexible and interoperable software modules and easy-to-use APIs to simplify the development of value-added features to differentiate your product. It works seamlessly with MPLAB X Integrated Development Environment (IDE) and the MPLAB XC32 Compiler and allows for maximum code reuse to reduce your time to market.
We offer following development boards for hardware development, prototyping and debugging with SAM C2x devices. Demo examples for sensored and sensorless control of permanent magnet synchronous motor are available within MPLAB Harmony v3.
dsPICDEM™ MCLV-2 Low-Voltage Motor Control Development Board
dsPICDEM MCHV-3 High-Voltage Motor Control Development Board
ATSAMC21 Motor Control Plug-In Module
Low-Cost Digital Motor Control
SAM Dx Arm Cortex-M0+ based devices are the perfect options for migrating 8- and 16-bit variable-speed motor applications, such as fans and air handling systems, to a 32-bit MCU. These low-cost devices offer enough horsepower for Field-Oriented Control (FOC)-based Permanent Magnet Synchronous Motor (PMSM) applications and work exceptionally well when paired with “smart” sinusoidal motor drivers such as the MCP8063. This combination offers a high-performance solution for telecom-type fan applications, and, as both devices are AEC-Q100 qualified, fan and pump applications in automotive segments.
Software and Hardware Development Tools
ATSAMD21BLDC24V-STK
SAM D20 Xplained Pro Evaluation Kit
Documentation
- Application Notes
- Technical Brief
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Title
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| World's Fastest Embedded Interleaved 12-bit ADC Using PIC32MZ and PIC32MK Families | Download |
| Sensored (Encoder-Based) Field Oriented Control of a Three Phase Permanent Magnet Synchronous Motor (PMSM) | Download |
| Sensorless Field Oriented Control (FOC) for a Permanent Magnet Synchronous Motor (PMSM) Using a PLL Estimator and Equation-based Flux Weakening (FW) Application Note | Download |
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Title
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| The Difference Between MPLAB Harmony v3 PLIBs and Drivers, and When to Use Them | Download |