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Industrial smart-sensor evaluation kit with IO-Link transceiver and STM32 MCU to aid design

Fri, Dec 10, 2021

Featuring a slim, 45.8mm x 8.3mm main board, the STMicroelectronics Steval-IOD04KT1 industrial-sensor kit can help simplify the development of compact IO-Link (IEC 61131-9) sensors for fieldbus-independent point-to-point bi-directional communication.

The main board integrates an STM32G0 microcontroller with ST’s L6364W IO-Link transceiver, IIS2MDC three-axis digital output magnetometer and ISM330DHCX iNemo inertial module with machine-learning core. The compact dimensions, permitted by the tiny chip-scale package sizes of the L6364W, in 2.5mm x 2.5mm CSP19, and the STM32G0 in 2.3mm x 2.5mm WLCSP25, allow small sensor enclosure.

Fitted with a four-pole M8 industrial connector, the board connects to any IO-link main controller that supports IO-Link 1.1. A 10-pin expansion connector allows adding extra sensing modalities.

The companion STM32Cube software pack, STSW-IOD04K, provides the IO-Link device description (IODD) file, ST-proprietary IO-Link demo-stack, and routines for managing the L6364W and MEMS sensors. The software, which allows hot-plug activation, contains libraries that assist development of various types of sensors, and ST says it is designed for easy integration with additional X-CUBE software to further expand the sensor’s functionality.

The IC implements an IO-Link compliant electrical interface and digital features including wake-up recognition, a 15-byte data buffer, and quartz-free IO-Link clock extraction. Surge-pulse protection up to ±2.5kV, ESD protection and reverse-polarity protection are all on-chip, helping to save users from designing-in additional components and helping to cut down on PCB space and bill-of-materials costs. With 3.3V and 5.0V LDOs on-chip, and a digitally configurable step-down DC/DC converter, the L6364W can source up to 50mA load current to help developers meet the efficiency and EMC requirements of their application.

The L6364W is part of ST’s family of ICs that provides a complete set of solutions to help simplify IO-Link physical-layer implementation. It includes the L6360 IO-Link control-side transceiver and L6362A and L6364Q IO-Link device ICs.

The Steval-IOD04KT1 kit comes with everything needed to connect the sensor for evaluation and use, including an IO-Link M8-M12 adapter cable and ST’s STLink-V3MINI programmer.

Go to http://www.st.com

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Analog expands Linux distribution to support high-performance solution development

Thu, Dec 09, 2021

This year, as Linux open-source operating system marks its 30th anniversary, ADI has expanded its Linux distribution by adding more than 1,000 ADI peripherals supported by in kernel Linux device drivers.

The new Linux distribution focuses on ready-to-use in kernel Linux device drivers, offering a robust system for software development, reducing risk and development time with pre-existing code that is peer-reviewed and backed by industry. The distribution contains the essential components for running the built-in drivers and enables customers to integrate custom software. By providing hardware and software compatibility across the customers’ full ecosystem, the Linux distribution will help prevent hardware lock-in while also minimising software development needs.

Designed to enable the rapid development of embedded solutions, these open-source device drivers streamline the software development process for ADI’s customers, providing access to tested, high-quality software to create solutions across a range of industries, including telecom, industrial, military, aerospace, medical, automotive, security and Internet of Things. This portfolio includes products from Maxim Integrated Products which is now part of Analog Devices.

“With these drivers, we can serve our customers in a more holistic manner by streamlining the software development process and making it more cost and resource efficient,” said David Babicz, director of engineering at ADI. “Using open-source, tested code that they know will work in lockstep with their hardware means customers can focus on innovating instead of building software from scratch, helping them get their products to market faster.”

As part of the milestone celebration, ADI has released Kuiper Linux, a free Linux-based operating system based on Raspbian/Debian that is optimised for ADI peripherals and that supports ARM-based systems such as Raspberry Pi, Xilinx Zynq, Xilinx Zynq Ultrascale+ MPSoC, Intel Cyclone V SoC, Intel Arria 10 SX SoC and Intel Stratix 10 SoC.

For the past 15 years, engineers within Analog Devices and collaborating organisations have developed Linux kernel device drivers in a range of Linux subsystems across ADI’s product portfolio including audio, battery charging and management, real-time clocks, power management, video, industrial input/output, accelerometers, amplifiers, A/D converters, D/A converters, beamformers, phased lock loop, gyroscopes, inertial measurement unit, input devices, networking, and universal serial bus.

Go to http://www.analog.com

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Microchip grows its GaN RF power portfolio

Wed, Dec 08, 2021

Microchip Technology has expanded its gallium nitride (GaN) radio frequency (RF) power device portfolio with new monolithic microwave integrated circuits and discrete transistors that cover frequencies up to 20 GHz. The devices combine high power-added efficiency and high linearity for applications ranging from 5G to electronic warfare, satellite communications, commercial and defence radar systems and test equipment.

The devices are made using GaN-on-silicon carbide technology that Microchip says provides “the best combination of high-power density and yield”, as well as high-voltage operation and longevity of more than 1 million hours at a 255 degrees C junction temperature.

The line-up includes GaN MMICs covering 2 to 18 GHz, 12 to 20 GHz, and 12 to 20 GHz with 3dB compression point (P3dB) RF output power up to 20W and efficiency up to 25 per cent, as well as bare die and packaged GaN MMIC amplifiers for S- and X-band with up to 60 per cent PAE, and discrete high electron mobility transistor devices covering DC to 14 GHz with P3dB RF output power up to 100W and maximum efficiency of 70 per cent.

“Microchip continues to invest in our family of GaN RF products to support every application at all frequencies from microwave through millimetre wavelengths, and our product portfolio includes more than 50 devices, from low-power levels to 2.2 kW,” said Leon Gross, vice-president of Microchip’s discrete products business unit. “Together the products announced span 2 to 20 GHz and are designed to meet the linearity and efficiency challenges posed by the higher-order modulation techniques employed in 5G and other wireless networks, as well as the unique needs of satellite communications and defence applications.”

Microchip’s portfolio of RF semiconductors in addition to GaN devices ranges from gallium arsenide RF amplifiers and modules to low-noise amplifiers, front-end modules, varactor, Schottky, and PIN diodes, RF switches and voltage variable attenuators.

Go to https://www.microchip.com

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Digital humidity sensor for industrial applications goes global

Wed, Dec 08, 2021

Joining Sensirion’s range of fourth-generation humidity sensors is the SHT4xI-Digital sensor platform, designed for challenging industrial applications. The series consists of two accuracy versions SHT40I and SHT41I, which offer 5V supply voltage and increased ESD protection.

SHT4xI-Digital is based on Sensirion’s proven CMOSens(R) technology which, says the company, ensures maximum reliability, as demonstrated by extensive accelerated lifetime tests such as 85 C/85 per cent RH for 1,000 hours. The sensor enables seamless integration with its wide operating voltage range, small size and robust housing.

Based on its features and Sensirion’s advanced humidity sensing expertise, the SHT4xI-Digital is suitable for conducting measurements under harsh conditions in industrial application Sensirion’s CMOSens(R) technology provides a complete sensor system on a single chip, with a fully calibrated digital I2C fast mode plus interface. The sensor platform covers operating ranges from 0 to 100 per cent RH and from -40 degrees C to 125 degrees C with a supply voltage extending from 2.3 to 5.5V.

“The SHT4xI-Digital humidity and temperature sensor platform is our response to challenging industrial requirements. It enables reliable measurements in harsh and unfavourable environments,” said Maximilian Eichberger, director of product management humidity and temperature sensors at Sensirion. “The sensor platform’s robustness and extended supply voltage range allow long-term stability during operation in industrial applications. We are making a lasting contribution to our customers’ project-related success by drawing on our many years of humidity sensing expertise and optimizing our sensors to suit specific market conditions,” he said.

Headquartered in Stäfa, Switzerland, Sensirion AG is a leading manufacturer of digital microsensors and systems. Its product range includes gas and liquid flow sensors, differential pressure sensors and environmental sensors for the measurement of humidity and temperature, volatile organic compounds, carbon dioxide and particulate matter (PM2.5).

An international network with sales offices in the USA, Europe, China, Taiwan, Japan and Korea supplies international customers with standard and custom sensor system solutions for a wide range of applications. Sensirion sensors are commonly used in the medical, industrial and automotive sectors, and in analytical instruments, consumer goods and HVAC products.

Go to https://www.sensirion.com/sht4xi

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Industrial smart-sensor evaluation kit with IO-Link transceiver and STM32 MCU to aid design

Analog expands Linux distribution to support high-performance solution development

Microchip grows its GaN RF power portfolio

Digital humidity sensor for industrial applications goes global

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