Author Archives: steve bush

Power Stamp Alliance defines reduces host CPU load, and adds a reference design

The Power Stamp Alliance has published a specification for a power converter module intended to extend the power and current rating of its standard family of products. The Alliance (Artesyn Embedded Technologies, Bel Power Solutions, Flex, and STMicroelectronics) has created a joint specification for several types of 48Vdc-dc converter modules – dubbed ‘power stamps’ (specifications ...

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Are NC-FETs going to make it?

Researchers at Purdue University have surveyed research towards negative capacitance field-effect transistors (NC-FETs), and published their findings. This type of transistor has a ferroelectric layer (Hf02, for example) within the gate stack, which could allow is break the 60mV/decade sub-threshold slope limit for mosfets at room temperature. “Given the potential, there is a need for ...

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Bacteria extract rare earths from mining waste

Mining waste could provide a reliable supply of rare earth elements, including neodymium and dysprosium, from a type of mining waste called phosphogypsum – a product of making phosphoric acid from phosphate rock for fertilisers – according to the Idaho National Laboratory (INL). More than a billion tons if such waste is sitting idle in the ...

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APEC: SiC power and improved cloud-based power tools

On Semiconductor will be showing enhancements to its cloud-based power development tool, branded Strata, which it announced at CES earlier this year. Search capabilities have been improved, and there is a carousel-style menu that allows compatible devices and boards to be selected, said the firm: “Engineers are able to narrow down viable component and systems ...

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APEC: Heat sinking film is flexible despite high conductivity

Toyochem will be showcasing its Lioelm FTS series of thermally conductive adhesive sheets for bonding substrates to heatsinks, or for use as an insulating layer in power device packaging. According to the firm, it has used heat-resistant resins to get around performance trade-offs between the elastic modulus and thermal resistance that typically arise with conventional ...

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Google calculates Pi to 30 trillion digits on its Cloud

To celebrate Pi day, Google has calculated Pi to more digits than ever before: 31,415,926,535,897 digits to be exact, which adds a touch of class. The computer was the firm’s own Cloud, “using cloud tcompiting which is the first time this has ever been done”, said Google. 25 Google Cloud virtual machines were used, running an ...

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1st military-qualified Arm processor for hi-rel applications

Teledyne e2v is claiming a first: military-qualified Arm-based processor – in this case a version of NXP’s LS1046A guaranteed for operation at -55°C to 125°C in aerospace and defence applications. LS1046A is part of NXP’s 64-bit Arm Layerscape portfolio, with a 1.8GHz quad-core Arm Cortex-A72. In includes packet processing acceleration and high-speed peripherals “and is recognised ...

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Mems pressure sensor shuns soap and shampoo for wearables

STMicroelectronics has introduced a water-resistant mems pressure sensor with chemical compatibility, stability, and accuracy suited to fitness trackers, vacuum cleaners, and general-purpose industrial sensing. Called LPS33W, the IPx8-rated device is protected by an internal viscous potting gel, and is claimed to withstand: “salt water, chlorine, bromine, detergents such as hand soap and shampoo, e-liquids, and ...

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Lapis aims at consumer goods with 16bit RISC MCUs with IEC60730 safety

Lapis has introduced a series of general-purpose 16bit RISC MCUs with built-in safety features and noise tolerance, aimed at meeting IEC60730. The 16bit core is an in-house design. There are 120 parts across ML62Q13xx, ML62Q15xx and ML62Q17xx part numbers. “The group provides safety features that correspond to 13 items related to home appliances, including a self-diagnostic ...

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