Mosfets hit 550μΩ for 40V automotive and industrial

Nexperia has introduced a pair of 0.55mΩ Rds(on) 40V power mosfets in an 8 x 8mm packaging. BUK7S0R5-40H is for automotive use (AEC-Q101-qualified) PSMNR55-40SSH is for industrial applications Both are 500A 375W transistors operating across -55 to +175°C in 1.7mm tall high-reliability LFPAK88 (SOT1235) packages, which use a copper clip to improve heat flow. The 500A rating is ...

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Rohm plans 8V gates for 150V GaN power transistors

Rohm is claiming a first for an 8V-tolerant gate on a 150V GaN power transistor. One of the weaknesses of GaN HEMTs is the low voltage rating of their gates – generally ~6V – leaving them vulnerable to damage from transients, particularly as they need a drive of around 5V to operate. “Rohm succeeded in ...

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Atos and Thales form big data jv

Atos and Thales have formed a jv called Athea that will develop a sovereign big data and AI platform for public and private sector players in the defence, intelligence and internal state security communities. Athea will draw on the experience gained by both companies from the demonstration phase of the ARTEMIS programme, the big data ...

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Farnell signs InkSmith

Farnell  has signed a global distribution agreement with InkSmith to enhance its educational product range and drive cross curriculum learning. The Climate Action Kit’s project-based learning experiences are designed to teach students how to apply technology to solve real world problems through the lens of the United Nations’ Sustainable Development Goals (UN SDGs). Every project ...

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Arm battens down the spending hatches

Arm has gone into cost reduction mode as it awaits the result of its takeover by Nvidia. According to The Register it has frozen hiring including a ban on backfilling jobs left vacant by departures, has put a stop on new engagements of  contractors and has cancelled its FlexPlot scheme which gave US employees $8,500 a ...

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ULEMCo joins ENGV to develop Australian hydrogen fuel market

ULEMCo, the UK hydrogen fuel pioneer, has signed an MoU with ENGV of Australia to collaborate on developing a market for its hydrogen dual fuel technology. The scope of the agreement extends across Australia and into commercial vehicles, particularly heavy-duty applications like refuse collection, urban trucks, buses and prime movers. In the effort to transition ...

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Code of Practice for off-road autonomous vehicles

Oxbotica and  the Transport Research Laboratory have piloted the use of  a Code of Practice for the deployment of autonomous vehicles in  off-highway environments, with a live trial conducted in a quarry using a number of off-road vehicles. The Code is available to download here The Code identifies the key elements for safe and efficient ...

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ESA appoints Surrey Satellite to lead Moonlight telecoms initiative

The European Space Agency has announced its Moonlight initiative, to provide telecommunications and navigation services for future missions to the Moon. Two consortia have been selected to create the necessary commercially viable constellation of lunar satellites, designed to enable sustainable space exploration. Surrey Satellite Technology will lead the first consortium, both through its lunar services ...

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More on: Vehicle motor needs no rare earths

German automotive part maker Mahle is developing an electric motor that does not require permanent magnets, and so does not need rare earth elements. Like a permanent magnet synchronous motor, favoured by many electric vehicle makers, Mahle’s motor is a synchronous machine, but instead of rare earth permanent magnets in the rotor it has electromagnets. To ...

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