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Industrial GbE transceivers optimise process automation, says Microchip

Fri, Nov 11, 2022

As developers of industrial automation systems gravitate from proprietary solutions for process synchronisation to standard-based one that offer broader compatibility and reduce design costs, Microchip has developed the LAN8840 and LAN8841 Gigabit Ethernet transceiver devices for critical process synchronisation.

The transceivers meet IEEE 1588v2 standards for Precision Timing Protocol. The LAN8840 and LAN8841 are enabled with Linux drivers and deliver flexible Ethernet speed options including 10BASE-T, 10BASE-Te, 100BASE-TX and 1000BASE-T.

They can facilitate critical packet prioritisation by providing high speed time stamping that is relayed between components to determine network latencies, accommodate for those latencies, and synchronise time amongst all connected devices.

This timing is key for process automation applications that require precise control production systems such as robotics, distributed sensors and cooling and mixing systems. The LAN8840 and LAN8841 can withstand extended industrial temperatures ranging from -40 to +105 degrees C.

To help companies achieve sustainability, the LAN8840 / LAN8841 features wake-on-LAN (WoL) and energy-detect power-down mode. The energy-efficient Ethernet (EEE) mode delivers low power idle and clock stoppage modes for optimal power performance.

The LAN8840 / LAN8841 are suitable for applications requiring accurate and precise time stamping, such as gas and chemical processing, electrical distribution, and currency trade systems which must be proven to be in sync with the National Institute of Standards and Technology (NIST) for Universal Coordinated Time (UTC) within one millisecond or finer increments.

The LAN8841 Ethernet Development System (EDS) daughter card is a modular addition to compatible Microchip host boards. When paired with the PCIe networking adapter, it enables evaluation of the LAN8841 through any host supporting the PCIe interface. Linux drivers supporting Precision Timing Protocol (PTP4L) are available for the LAN8841 on Microchip’s GitHub repository.

The LAN8840 (48 QFN) and LAN8841 (64 WQFN) are now available in high-volume production.

Microchip Technology serves more than 120,000 customers across the industrial, automotive, consumer, aerospace and defence, communications and computing markets.

The company is headquartered in Chandler, Arizona, USA.

http://www.microchip.com

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Compact SBC by AAEON is available from Review Display Systems

Fri, Nov 11, 2022

The de next-TGU8 is the latest compact single board computer (SBC) from Aaeon and it is available from Review Display Systems (RDS). It has up to four cores, with eight threads, powered by 11th Generation Intel Core i7, i5, and i3 processors.

According to the RDS, the de next-TGU8 marks the beginning of a new generation in SBC because it creates a highly compact board featuring an on-board Intel Core i-level processor. The board’s outline dimensions are just 84 x 55mm.

Despite its compact form factor, the SBC offers a high level of integration and performance, supporting 16Gbyte onboard LPDDR4x memory, together with I/O and multiple expansion options. The de next-TGU8 is designed to facilitate a high speed interface with dual RJ45 ethernet ports, two USB 3.2 Gen2 and four USB 2.0 slots, and a dual display interface supported with HDMI and eDP ports.

There are also expansion options for a variety of add-on modules. Expansion accessories include an FPC slot for PCIe x4 Gen 3 with riser kit, for additional storage or more advanced graphics options.

The de next-TGU8 also contains an M.2 2280 key slot (PCIe x 2), enabling users to combine different expansion modules to suit different application needs, such as AI acceleration, Wi-Fi, and 4G network modules.

Peter Marchant, embedded business manager, RDS said, “The data processing ability of the new Aaeon de next-TGU8 ensures it is capable of powering the next generation of AI-based applications including smart systems, factory automation and robotics technology. The combination of small form factor, versatility and connectivity enable the de next-TGU8 to be used in a wide range of application environments.”

Established in 1982, RDS has experience supporting and supplying display and embedded hardware solutions. The distributor supports a comprehensive range of display technologies, touch screen and embedded computing solutions.

Review Display Systems engages and develops partnerships with customers in a wide range of industry sectors including industrial control and instrumentation, medical devices, facilities management, marine, aerospace, point-of-information, and process control.

A strong commitment to environmental responsibility and quality is reinforced with accreditation to the latest internationally recognised quality standards including ISO14001, ISO9001-2015 and ISO13485:2016 for the design and manufacture of medical devices.

http://www.review-displays.co.uk

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Solar harvesting technology meets LoRa Edge for IoT tracking

Fri, Nov 11, 2022

A collaboration between Semtech and Exeger “significantly extends” the battery life of asset tracking and environmental sensing devices, said Semtech.

Partnering with the Swedish manufacturer of customisable solar cells, the pair have combined Semtech’s LoRa Edge asset management platform with Exeger’s Powerfoyle solar cell technology.

Semtech’s LoRa Edge scans GNSS satellites as well as Wi-Fi SSIDs and partitions the processing between IoT devices and the LoRa Cloud to determine location. The cloud-based solver is claimed to significantly reduce power consumption and increase battery life. Exeger’s Powerfoyle is can be integrated seamlessly into any electronics device and uses solar cell technology to convert all forms of light to charge and power devices with clean, endless energy.

“Coupling the benefits of Powerfoyle with the ultra-low power capabilities of Semtech’s LoRa devices will provide IoT applications with an extended or even unlimited battery life,” said Dr. Oscar Hemberg, chief product integration officer at Exeger. “Together, we move one step closer to energy independence through more sustainable products powered with clean, endless energy.”

The patented Powerfoyle material integrates into IoT sensors with Semtech’s LoRa Edge chip-to-cloud platform. Combining both technologies is expected to spur a world of new solar-powered tracking applications for geolocation use cases, including indoor and outdoor asset tracking, global supply chain logistics, agriculture, smart utilities, and smart cities.

“LoRa devices enable smart IoT applications that help solve some of the biggest challenges facing our planet,” said Marc Pégulu, vice president and general manager for Semtech’s Wireless and Sensing Products Group. “Semtech and Exeger’s collaboration will enable manufacturers to develop IoT devices leveraging new energy harvesting technology for a smarter and more sustainable future.”

New IoT asset trackers will be showcased at EdgeTech+ 2022 (16 to 18 November) in Yokahama, Japan, in the LoRa Pavilion, booth A-H04.

http://www.semtech.com

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Mercury Systems launches DDR4 memory for edge processing in space missions

Thu, Nov 10, 2022

A radiation-tolerant version of Mercury Systems’ 8Gbyte DDR4 memory has been announced. According to the company, it “sets a new bar for performance in data-intensive processing applications in space”.

Today, military satellites enable critical national security missions such as missile warning, communications and Earth observation. Commercial satellites provide in-flight Wi-Fi connectivity, TV and radio services as well as global infrastructure and asset monitoring. These space systems require ever-increasing amounts of processing power to manage enormous volumes of data.

The increased complexity of these space systems, as capabilities and requirements are added, need high density memory capabilities to complement greater processing power. As space systems are increasingly developed with smaller form factors, Mercury’s 8GB DDR4 components offer 75 per cent space savings compared to alternative memory options, claimed the company.

“Mercury memory modules are designed to operate in the most demanding environments and are employed on critical missions in the air, land, and sea domains,” said Tom Smelker, vice president and general manager of custom microelectronics solutions at Mercury. These radiation-tolerant 8Gbyte DDR4 modules will unlock even more capability and performance for next-generation government and commercial space missions, he added.

Mercury’s 8Gbyte DDR4 memory components feature data transfer speeds of up to 2,666Mbits per second in a form factor that is 13 x 20 x 2.36mm. The memory package has eutectic solder balls for board-level reliability and the memory components undergo 100 per cent burn-in and electrical test for quality assurance.

The memory components are manufactured in a DMEA-trusted facility.

Mercury delivers commercial innovation to the global aerospace and defence industry, providing products, services and technologies and from data to decision, silicon to systems.

http://mrcy.com

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Industrial GbE transceivers optimise process automation, says Microchip

Compact SBC by AAEON is available from Review Display Systems

Solar harvesting technology meets LoRa Edge for IoT tracking

Mercury Systems launches DDR4 memory for edge processing in space missions

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