ISSCC: GaN PSU switches 400V at 50MHz

A blisteringly fast 400V monolithic gallium nitride power buck converter featured at the International Solid-State Circuit Conference this week. Its figures speak for themselves: 50MHz operation, sub-200ps dead-time, and 120V/ns slew rate at the switching node. The child of National Chiao Tung University and Realtek Semiconductor, both in Taiwan, the IC is all GaN-on-silicon, combining a ...

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MPUs to grow 7% in 2022

MPU sales are expected to rise 7% this year with cellphone processors increasing 10% following a 31% jump in 2021, says IC Insights, with modest growth expected in computer CPUs and embedded MPUs. Total microprocessor sales in 2021 maintained strength, growing 14% to a record-high $102.9 billion after climbing 16% in 2020, when pandemic lockdowns ...

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Audis run on veg oil

Audi has adapted its models with V6 engines to run on hydrotreated vegetable oil (HVO). Renewable fuels, or reFuels,  are a short-term means of defossilisatio until EVs take over. Audi models with V6 diesel engines up to and including 210 kW (286 PS) that were made from mid-February onwards  can be filled up with the ...

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Viavi enhances O-RAN testing portfolio

Viavi has announced  extensions to its end-to-end test and assurance solutions for O-RAN. These are: ·       RIC Test. TeraVM RIC Testvalidates the performance of the RAN Intelligent Controller (RIC) when presented with a wide range of RAN scenarios, tests the functionality of rApps and xApps, and provides the means to generate the data needed to train ...

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Webinar: Digi-Key, Siemens on Reliable Power Supplies for Automation and Control Systems

Digi-Key Electronics, in collaboration with Siemens, will host an online webinar about power reliability for automation and control systems. It takes place on Tuesday, 8 March, at 11 a.m. (CST) and will be presented by Greg Kateb, SITOP power product consultant for Siemens. Spcifically, Kateb will address a variety of scenarios that a power system ...

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