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STMicroelectronics Combines Power and Simplicity in Intelligent Motion-Control Device for Smart Industry

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STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications, is accelerating smart industry, also known as smart manufacturing or Industry 4.0, with a powerful single-package device for intelligent motor control.

STMicroelectronics new STSPIN32F0 motor-control system-in-package device combines power and simplicity in intelligent Motion-Control Device for Smart Industry and High-End Consumer Electronics. The new device combines the power and flexibility of a microcontroller-based drive with ease of use and space efficiency. Target applications include smart-manufacturing equipment, power tools and cooling fans, as well as emerging high-tech product categories such as drones, small robots, and home appliances containing high-efficiency motors, such as high-performance portable vacuum cleaners or air purifiers.

The STSPIN32F0 combines a microcontroller and an analog IC in a tiny 7mm x 7mm QFN package, delivering the flexibility and power of a microcontroller-based motor drive with the convenience, simplicity, and space-efficiency of a single IC. The solution is equally attractive for developers with existing investment in proprietary motor-control IP, or those seeking an off-the-shelf motor-control algorithm.
Compared to other microcontroller-based motor-drive solutions, the STSPIN32F0 significantly simplifies design challenges by leveraging the extensive STM32 development ecosystem, with software tools, firmware libraries and middleware available on top of the popular motion-control algorithms such as Field-Oriented Control (FOC) and 6-step control to streamline firmware development.

The STSPIN32F0 microcontroller inside the STSPIN32F0 features the ARM® Cortex®-M0 core, which is capable of hosting versatile motor-control algorithms such as sensored or sensorless FOC, six-step control, and others. Its high performance enables fast algorithm-execution times, needed for precision control of torque and speed up to high rpm, with bandwidth and headroom to support additional functionality. The highly integrated analog IC embedded in the STSPIN32F0 implements a three-phase, half-bridge gate driver with integrated bootstrap diodes. Gate-drive current of up to 600mA allows designers to select from a wide variety of power MOSFETs of an adequate rating for the chosen motor.

Built-in protection mechanisms include real-time programmable over-current protection, cross-conduction prevention to eliminate potentially damaging shoot-through currents, and under-voltage and over-temperature protection. Integrated operational amplifiers allow maximum flexibility to design cost-effective sensorless or Hall-effect sensor feedback systems.

Free evaluation board   
Key Features
  • Extended operating voltage from 8 to 45V
  • Three-phase gate drivers
    • 600 mA sink/source
    • Integrated bootstrap diodes
    • Cross-conduction prevention
  • 32-bit ARM® Cortex® -M0 core:
    • Up to 48 MHz clock frequency
    • 4-kByte SRAM with HW parity
    • 32-kByte Flash memory with option bytes used for write/readout protection
  • 3.3. V DC/DC buck converter regulator with overcurrent, short-circuit, and thermal protection
  • 12 V LDO linear regulator with thermal protection
  • 16 general-purpose I/O ports (GPIO)
  • 5 general-purpose timers
  • 12-bit ADC converter (up to 9 channels)
  • I2C, USART and SPI interfaces
  • 4 rail-to-rail operation amplifiers for signal conditioning
  • Comparator for overcurrent protection with programmable threshold
  • 3FG open-drain output providing the decoded result of 3 Hall sensors inputs
  • Standby mode for low power consumption
  • UVLO protection on each power supply:
    • VM , VDD , VREG and VBOOTx
  • On-chip debug support via SWD
  • Extended temperature range: -40 to +125°C
Data

The device reduces the number of additional external components required and helps to simplify system design, an internal 3.3V DC-DC buck converter and 12V LDO linear regulator provide the voltage rails to supply the MCU, the external circuitry and the gate drivers, further enhancing efficiency. The IC can be put into standby mode to disable all the internal circuitry apart from the DC-DC converter that supplies the MCU, thus reducing power consumption to a minimum.

The STSPIN32F0 is supported by the STEVAL-SPIN3201 evaluation board which is a three-phase brushless DC motor driver board based on the STSPIN32F0 and STD140N6F7 MOSFETs. The board assists engineers with the design of affordable and easy-to use solutions for the implementation of low voltage motor driving applications such as fans, drones and power tools. The board is designed for sensored or sensorless vector control - FOC algorithms with 3-shunt sensing.

ST Board

Anglia are offering customers a FREE STEVAL-SPIN3201 motor-control system-in-package evaluation board from STMicroelectronics, please fill in the form below to register your interest now.

To register for a FREE STEVAL-SPIN3201 evaluation board from STMicroelectronics please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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