Author Archives: steve bush

Nexperia aims at cars with 250mA LED driver

Nexperia has extended its constant current LED driver family with eight new AEC-Q101 qualified devices that deliver up to 250mA. The 16V NCR32xx and 40V NCR42xx series are available in two package styles, the smaller SOT457 (SC-74) or higher power SOT223 (SC-73) – the latter which works up to 1.25W. Output is stabilised at 10mA ...

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World’s longest flexible PCB comes from Gloucestershire

Trackwise of Tewkesbury is claiming a world record – for creating what is believed to be the world’s longest multi-layer flexible printed circuit (FPC), which will span 26m 
(85 feet) within the wings of an unmanned aerial vehicle to distribute power and control signals. It is a solar-powered plane, and the flexi is claimed to ...

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AI module puts twin Movidius Myriad X on m.2 board for vision processing

Aaeon has build two Intel Movidius Myriad X AI processors onto a 22x80mm m.2 standard module for vision processing. Called ‘AI Core XM2280’, it is capable of up to 200frame/s (160 typical) and over 2 trillion floating point operations per second as a dedicated neural network accelerator. It is compatible with Intel’s OpenVINO tool kit ...

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AI model maps predicts where the brain will process language

Artificial neural networks have been used to predict how different areas in the brain respond to specific words, with greater accuracy than ever before according to neuroscientists at University of Texas at Austin. “As words come into our heads, we form ideas of what someone is saying to us, and we want to understand how ...

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Inductors are 2mm high for automotive

Vishay is aiming at the automotive market with AEC-Q200 qualified inductors in a 2020 case only 2mm high. Called IHLP-2020BZ-5A, all the parts in the range can be used at up to +155°C, making them suitable for under bonnet/hood operation. Construction and materials are optimised for dc-dc converter use up to 2MHz. “It also provides excellent attenuation ...

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Rohm adds 10 automotive SiC mosfets

Rohm has announced 10 more automotive-grade SiC MOSFETs. “The introduction of the SCT3xxxxxHR series allows Rohm to offer the industry’s largest lineup of AEC-Q101 qualified SiC mosfets,” claimed the firm. For faster electric car charging, it said, on-board chargers can be 11kW or even 22kW, with battery voltages up to 800V. To meet these needs, ...

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Solid electrolyte forms in place for better Li batteries

A solid electrolyte that only forms once its liquid precursors are in intimate contact with electrode material is mooted as a step towards all-solid lithium batteries by Cornell University. Intimate contact – inherent with liquid electrolytes – is needed to achieve high lithium ion throughput and low series resistance. “The key insight is the introduction ...

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APEC: TI thinks laterally to make ac-dc chip with 15mW stand-by

Texas Instruments has used everything except the standard inductive step-down solution to make an ac-dc power supply with 10mW no-load performance, and 15mW light load drain (150nF mains series cap). “This device achieves the best balance between high efficiency and ultra-low noise while shrinking power-supply size, it claims, with some justification – although it does ...

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