While digital on-die point-of-load converters are trending, analogue designs are far from finished. Digital low-dropout (DLDO) regulators appeared a few years ago and looked to be the future for on-die point-of-load regulators on digital chips. Scroll down for ISSCC 2020 DLDOs. However, a team at Seoul National University has turned the tables with a novel ...
This story continues at ISSCC 2020: Analogue on-chip LDO beats back digital onslaught
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A monolithic GaN mains power converter IC was the target of Leibniz University Hannover, which worked with Texas Instruments. And the result is a 15W off-line PSU that can feed a 30-60V LED string with 140‑190mA from 60-400V AC or DC. Efficiency is 95.6% at low input voltage, and not dropping below 87.8% all the ...
This story continues at ISSCC 2020: GaN power chip integrates control circuits
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For secure electrical connection to machinery or equipment, even where temperatures and vibration are challenges, or water and dust contamination are possible, Icotek has split cable entry systems allowing pre-terminated cables with diameters from 1 – 75 mm to be routed and sealed with certified rates up to IP68 / UL type 4X. They can be also be ...
This story continues at Cable glands are split for easy assembly, and sealed for tough environments
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Dow has introduced a solvent-less but sprayable silicone conformal coating that cures in seconds under UV light. Called Dowsil CC-8030, it is a one-part product that also includes moisture-cure for the nooks and crannies that UV cannot reach so well. “Other silicones support UV curing, but none are conformal coatings with a low enough viscosity for spray ...
This story continues at No-added-solvent conformal coating can be sprayed, and dries in seconds
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The UK Parliament’s Committee on Standards in Public Life has warned of the potential for obscure and biased decision-making as artificial intelligence is used by the public sector, in a report on artificial intelligence and its impact on public standards. It sees no need for a Government AI regulator, but recommends (detail below) that government ensure high standards ...
This story continues at Parliamentary committee calls for transparency and no bias when artificial intelligent is used on the public
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Drones can determine the shape of a room by listening to echos from the walls, according to mathematicians from Purdue University and Technische Universitat Munchen. Mireille Boutin (Perdue) and Gregor Kemper (Munich), with few exceptions, can theoretically get the shape of a room providing the drone is carrying four microphones that all hear echos from a ...
This story continues at Drones could map the walls of a room by listening
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Rohm is aiming at electric vehicles with a 41V dual output high side switch for transmission and engine electronic control units(ECUs). Called BV2HD045EFU-C, the part is AEC-Q100 Grade 1 qualified and includes numerous protection functions include thermal protection that detects both when the control circuit is too hot, and if the output mosfets are much ...
This story continues at Dual high-side switch is protected and qualified for automotive use
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Distributor Richardson RFPD is now stocking a compact GaN transistor 650V 30A half-bridge evaluation board, the GS-EVB-HB-66508, a part announced by GaN Systems late last year. The board was developed by GaN Systems with On Semi, which provides the on-board NCP51820 driver chip, and is also known by the On Semi part number NCP51820GAN1GEVB. With ...
This story continues at GaN half-bridge eval board switched 650V and 30A at 1MHz
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Plessey and WaveOptics, both UK manufactures, are to team up to develop augmented reality displays – in particular, an optical module for the next generation of smart glasses. The module will incorporate Plessey’s high brightness microLED HD display along with WaveOptics’ Katana waveguide technology (photo right) and projector design. “Critically, this module will be the ...
This story continues at Photonics West: Plessey teams up with WaveOptics for AR glasses
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OMC has introduced an hermetically-sealed infra-red transmitter diode for multi-mode optical fibres. Called FDE851HLBF, it emits at 850nm and comes in a TO-can with glass window to protect the device from the atmosphere. Long-term reliability is the reason for the sealed package. “Many fibre-optic emitters make use of a clear plastic cap which is pressed on to ...
This story continues at Southern: IR emitter launches 30µW into multi-mode fibres
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