Author Archives: steve bush

Protected power switch aimed at USB type-C PD

Alpha and Omega Semiconductor has announced a protected power switch for USB Type-C Power Delivery applications. Designed to operate across 3.4 to 23V on the input, it can handle up to 28V absolute maximum voltage on the input and output, and offers reverse blocking. The part, AOZ1374, comes in two versions: AOZ1374DI-01 will auto-restart after ...

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ASIL-D voltage, current and temperature sensing for automotive batteries from 14V to >400V

Maxim is aiming at high safety level automotive batteries with an ASIL-D 14 channel data-acquisition system for voltage current and temperature. MAX17852 is designed for use in electric vehicles and hybrid electric vehicles meeting ISO26262 guidelines, within smart junction boxes, 48V systems and battery systems of 400V and beyond. It allows a typical cell voltage ...

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Resettable e-fuse from Toshiba

Toshiba has expanded its range of eFuse circuit breaker ICs with a 53mΩ version that trips in 320ns, all in a 3 x 3mm package. Dubbed TCKE712BNL, it is aimed at consumer goods including cameras, cordless cleaners, cleaning robots, power tools, speakers, thermostats and wireless chargers. “Being automatically reset by an internal logic signal, unlike ...

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European project to further increase the reliability of electronics

A European project has been set up to further improve the reliability of electronics. Called Intelligent Reliability 4.0 (iRel40), it is coordinated by Infineon and has 75 science and industry partners from 13 countries. “Enhancing electronics performance through miniaturisation and integrating more and more functions is progressing steadily,” said Infineon CEO Reinhard Ploss. “Performance and ...

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A possible red hot future for electric vehicle batteries

High-temperature batteries could one day power road vehicles, according to the University of Nottingham, which has worked with Chinese universities to take a step forward with molten salt ‘metal-air’ batteries. Having a battery running at 700-800°C might seem a little impractical. “This molten salt battery has multiple feasible application directions, and transport is one of these,” ...

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Packaging cuts waste, and transport costs from Dorset

Dorset-based hydrophone and ultrasonic transducer maker Precision Acoustics has re-thought how to store and dispatch its products in a more environmentally mindful way. Compared to the old packaging, the new packs use 91% less plastic by weight and are 59% lighter while still ensuring the integrity of the instruments inside. “All businesses should be looking ...

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New material boosts magnets for free-electron lasers

Three US national laboratories have joined to create a half-meter-long prototype ‘undulator’ magnet using Niobium-3-tin. Undulators are used in free-electron lasers – lasers that create electromagnetic beams for research. Niobium-tin alloy is seen as an alternative to the incumbent niobium-titanium alloy. Niobium-titanium superconductors are good for lower magnetic fields, but stop superconducting at around 10 teslas, according ...

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Eddy current automotive position sensor commutates motors without needing magnets

Renesas is claiming “total stray field immunity” for a automotive-grade magnet-free inductive rotation position sensor that works up to what the company describes as “600,000rpm (electrical)”. “We are excited with the response to the inductive position sensing technology we introduced last June for industrial motors, and we look forward to bringing its advantages to automotive ...

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1,100W peak from a eighth brick converter

Flex Power Modules has created an eighth brick intermediate bus dc-dc converter series that can deliver 600 to 800W continuously along with up to 1,100W for up to a second. The high peak is for running CPUs such as Intel’s Ice Lakein datacom and data center applications. Called BMR492, it “delivers a power level that was ...

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Osram aims at outdoor lighting with 2424 chip-scale LED

Osram has put a 2.1 x 2.1mm die into a 2.4 x 2.4 x 0.6mm package to create an LED for outdoor lighting. Called Osconiq C 2424, “because the package and chip have approximately the same dimensions, it is considered a chip-scale package. This allows the individual LEDs in the luminaire to be placed close ...

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