Author Archives: steve bush

DNA reveals another electronic property

Japanese researchers have added another tool to the toolbox for DNA molecular electronics. Not yet possible in any useful sense, DNA has the potential to be the backbone for molecular electronic circuits – electronics at the smallest scale – and towards this scientist are hunting through its structure and testing modifications to find useful non-linear ...

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Imagination adds hardware ray racing to new GPU flagship

Imagination Technologies has announced its most powerful GPU yet. Aimed at mobiles as well as automotive, cloud and desktop use, it has been dubbed IMG CXT, and includes the first outing of the company’s ‘Photon’ ray tracing architecture. “By adding Photon hardware ray tracing, IMG CXT represents a jump in GPU IP, delivering incredible performance ...

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Low intensity UV kills SARS-CoV-2 after a while

Osram and the University of Padua have been studying the effects of UV-C radiation from LEDs on SARS-CoV-2, the virus behind Covid-19. “It has already been shown that a high intensity of UV-C LED radiation can inactivate the SARS-CoV-2 virus rapidly,” according to the company. “In realistic applications, like upper air treatment or secondary air treatment devices ...

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Farnell stocks Omega parts for Industry 4.0

Farnell has signed an agreement with Omega to stock its complete range of sensing, control and monitoring products for factory automation and Industry 4.0, for delivery in the APAC region. The portfolio adds 620 products to Farnell’s inventory, including power supplies, sensors, transducers, switches, relays, transformers, enclosures, panel displays, instrumentation, cables, connectors and components for ...

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Silicon carbide transistor maker UnitedSiC bought by Qorvo

New Jersey Silicon carbide power transistor maker UnitedSiC has been acquired by Qorvo – the combined company formed by the merger of TriQuint and RF Micro Devices in 2015. To be called Qorvo’s Power Device Solutions, it will be led by Chris Dries, formerly president and CEO of UnitedSiC. “The acquisition of United Silicon Carbide expands Qorvo’s ...

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LED headlight driver has main-dip switching

Allegro MicroSystems has added two LED drivers to its automotive portfolio. A80803 is a boost and buck-boost dc-dc converter for headlights, that includes switching for high-beam and dip-beam strings. It works with inputs over 5 to 37 V (40V abs max for load dump, 4.5V under-voltage lock-out). Output can be up to 70V Drivers are included for external ...

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Super cap back-up buck-boost converter idles at 60nA

Texas Instruments has introduced an IC to mediate between a power rail, a load and a back-up supercapacitor. All the time sufficient voltage is available at the input, the input is connected directly (with no regulation) to the output to feed the load and a buck converter keeps the capacitor charged. When the input drops ...

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Electric Vehicle Expo: TTI to show its wares

Battery Show Europe and the Electric & Hybrid Vehicle Technology Expo Europe (EHVT) is to take place at Messe Stuttgart between 30th November to 2nd December. TTI has taken a stand. “At this year’s EHVT, we will display high-voltage connectors, vehicle inlets, charging cables, high-voltage contactors, power supplies and passive components for electrification,” said TTI marketing director Dermot Byrne. It will be ...

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15kW 210V variable PSU can source or sink up to 150A

Netherlands-based Delta Elektronika has added a 210V variant to its SM15K family of 15kW bi-directional power supplies. Fitting into a 3U rack slot and called SM210-CP-150, its output is bounded (curve below) by 15kW maximum power, +210V maximum voltage and ±150A maximum current. Within its range it can output:  210V, ±71.5A 150V, ±100A 100V, ±150A Up ...

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Rohm optimises power Schottkys for automotive use

Rohm has added 24 Schottky diodes for protection and rectification in automotive, industrial and consumer applications. Rohm diode line-up When Schottky barrier diodes are used, “if forward voltage lowered to improve efficiency, reverse current, which is inversely related to forward voltage, will become higher”, according to the company. “This increases the risk of thermal runaway, so ...

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