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    STMicroelectronics and Würth Elektronik cooperate for a high-performance power tool

    Motor-control reference design project

    Würth Elektronik and STMicroelectronics jointly developed a demo using a Würth power tool. The design, which efficiently drives a low-voltage Brushless DC motor, is ideal for handheld power-tool applications. Moreover, the design includes all the necessary user interfaces required to control the motor’s trigger, speed, and direction.

    At the leading international tradeshow PCIM Europe, which took place from 9 to 11 May 2023 in Nuremberg, the power tool demo was exhibited at STMicroelectronics’ and Würth Elektronik’s booths and attracted a significant number of visitors.

    The demo is based on the STDES-PTOOL3A reference design, in which the Gerber files, Bill of Materials, schematics and all other reference materials are downloadable from without charge. It showcases the capabilities of ST’s STM32G4 MCU and STDRIVE101 gate driver in powering six STL220N6F7 MOSFETs that all comply with Würth Elektronik’s Ferrite Bead (WE-CBF SMT EMI Suppression Ferrite Bead 74279271) and Power Inductor (WE-LHMI SMT Power Inductor 74437368330) and the benefits they bring to each application in performance, cost, quality, and ease of implementation. The software code embedded in the STM32G4 was developed using the STM32 Motor Control software development kit (X-CUBE-MCSDK). The design shows real-world usage scenarios in battery-operated handheld power tools.

    Over the past few years, STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics applications, and the passive components manufacturer Würth Elektronik, an ST Authorized Partner, have established a strong collaboration developing reference designs that leverage the best of each companies’ portfolios. By combining active components from ST with passive components from Würth Elektronik, the companies can offer ready-made turnkey or customizable solutions to customers. The synergies of the collaboration between ST and Würth Elektronik are reflected in the breadth and success of earlier joint projects, including the integration of Würth Elektronik components on a range of ST evaluation boards.

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    ”Working with Würth Elektronik, ST has shown its capability to work with partners to extract the best performance from its product offer and to jointly develop system solutions addressing the most challenging and complex application needs,” said Ricardo De Sa Earp, Executive Vice President, General-Purpose Microcontroller Sub-Group, STMicroelectronics.

    “The development of a cost-effective, high-quality reference design that forms the basis for outstanding power tools is another example of the fruitful collaboration we share with STMicroelectronics,” said Alexander Gerfer, CTO, Würth Elektronik eiSos Group.

    The demo will be exhibited at other upcoming tradeshows, including the Smart Product Solutions (SPS) in Nuremberg and the SIDO in Lyon and Paris.

    About STMicroelectronics

    At ST, we are over 50,000 creators and makers of semiconductor technologies mastering the semiconductor supply chain with state-of-the-art manufacturing facilities. An integrated device manufacturer, we work with more than 200,000 customers and thousands of partners to design and build products, solutions, and ecosystems that address their challenges and opportunities, and the need to support a more sustainable world. Our technologies enable smarter mobility, more efficient power and energy management, and the wide-scale deployment of the Internet of Things and connectivity. We are committed to achieving our goal of becoming carbon neutral by 2027. Further information can be found at

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