Author Archives: steve bush

Embedded World: Mixed-criticality software-defined automotive cockpit

The next generation of software-driven automotive cockpits is the target of a collaboration between Green Hills Software and Tata Elxsi. At Embedded World in Nuremberg this week, the companies are showing their first result: Tata Elxsi’s eCockpit running on Green Hills’s ASIL-certified Integrity real-time operating system (RTOS) and Multivisor secure virtualisation (hall 4 stand 4-325). ...

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18V 6A buck converter in 3 x 2mm package

Diodes has introduced a 6A synchronous dc-dc buck converter for point-of-load conversion in applications such as TVs, monitors, white goods, home appliances, consumer electronics, and large-scale integrated circuits. Called AP62600, it delivers up to 6A at 0.6 – 7V, from a supply of 4.5 – 18V. The synchronous device includes high-side (36mΩ) and low-side (14mΩ) mosfets. ...

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Embedded World: Secure SPI flash from Winbond meets Common Criteria EAL2

Winbond is aiming at end-to-end secure IoT devices with a secure drop-in replacement for SPI NOR flash memory, announced at Embedded World in Nuremberg. Called W77Q, the series supports secure boot, root-of-trust, encrypted data-storage, encrypted data-transfer “and resilience, providing protection for operations such as over-the-air updates and device authentication”, according to the firm. “Secure code updates, ...

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Embedded World: Embedded PCs get Sapphire 100 x 100mm AMD Ryzen motherboards

Sapphire has announced a family of AMD Ryzen-based embedded processor motherboards, and Simply NUC has PCs to put them in, and is showing them at Embedded World in Nuremberg. The processor chips have Radeon Vega graphics and a Zen CPU -Ryzen Embedded V1000 or R1000 processors. “The versatile and effective design of these boards with ...

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8 channel PC scope has dual 5Gsample/s ADCs

Pico Technology has introduced an eight-channel PC oscilloscope with dual 5Gsample/s ADCs and 4Gsample of capture memory as standard – as well as a hands-free probe holder, more of which further down. Called PicoScope 6824E, it has 500MHz bandwidth analogue inputs and 16 digital channels that record pulses down to 1ns – so ~500MHz signals. ...

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Lens-less microscope-on-a-chip

A diffuser moved randomly over a sample can be the basis of a computational microscope, according to researchers at the University of Connecticut. Lensless computational microscopy is not new – Horiba and French research lab Leti revealed one a couple of years ago. A disadvantage is that a lot of computing power is needed to reverse-engineer diffraction patterns ...

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Keeping Pb inside solar cells and out of the environment

Perovskite solar cells show great potential for low-cost large-scale generation, but all the best ones contain lead (Pb), adding an environmental risk if that are to be widely deployed. Now researchers at Northern Illinois University with the US National Renewable Energy Laboratory have created a self-sequestering perovskite solar cell – one that binds up over ...

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Ultrasound could make metallic lithium batteries safe, and more

Metallic lithium batteries offer far more performance than lithium-ion cells, and are so dangerous that no one uses them. One of the problems is dendrite growth – long thin crystals of lithium grow from the electrodes – that can short the cell and lead to self-destruction. Now the University of California San Diego has found ...

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ISSCC 2020: Secure chip will not make a mistake in your lifetime, probably

Working toward automotive security, Samsung has produced a ‘physically unclonable function’ (PUF) for secure crypto key generation. PUFs are blocks within chips whose characteristics only manifest when powered. They are inherently and unpredictably randomised by process variation as they are made, in a way that makes each chip uncontrollably unique, but once manufactured the characteristic ...

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ISSCC 2020: Computational imaging by THz array

Researchers from the University of Wuppertal in Germany have created a THz signal source array for computational imaging, which allows a single-pixel camera – simply one THz receiver – to form images. This type of computational imaging involves bathing the object to be photographed in varying light fields and measuring the amplitude of light that ...

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