Author Archives: steve bush

1.5kW medical and industrial PSUs from 5V to 48V

Cosel has introduced 1,500W power supplies for medical and industrial applications with a serial interface for monitoring and control. Called PCA1500F, it has a universal input working across 85 to 264Vac and comes in 5, 12, 15, 24, 32 and 48V output versions. “All output voltages can be adjusted to near zero volts and operated in ...

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High-rel industrial and aerospace RAM is non-volatile

Infineon has announced a second-generation of its non-volatile static RAMs (nvSRAM). “The new generation of devices are qualified for QML-Q and high-reliability industrial specifications to support non-volatile code storage and data-logging in harsh environments, including aerospace and industrial applications,” according to the company. “Both 5V and 3V versions support boot code, data logging and calibration ...

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Tricky lifting job? Just add more drones

Georgia Institute of Technology has developed a way for drones to co-operate when carrying heavy parcels. According to the university, controlling a group of robots connected together to lift a package is in many ways more complex than controlling a swarm of robots that fly independently. “For us, the challenge is that the vehicles are being ...

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Isolated ΣΔ modulators for industrial mains

STMicroelectronics has created isolated second-order sigma-delta modulators for industrial applications. They convert an analogue input signal up to ±320mV full-scale into a 1bit digital data stream at up to 25Msample/s. Resolution is 16bit (ENOB typically 13bit) and signal-to-noise ratio is 86dB. “The embedded galvanic-isolation technology of these devices eliminates the degradation associated with converters, as well ...

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UK made: Cliff adds front + rear mounting versions to ‘Slims’ connector range

Cliff has added versions to its ‘Slims’ range of connectors that can be either front or rear mount. Slims (photo right) fit into a standard hole pattern, and are a variant of the company’s FeedThrough range where dozens of different connector types are built into housings for the standard ‘XLR connector’ hole pattern (below left). ...

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Fountain of youth for nickel-rich Li-ion cells

Nickle-rich Li-ion cells don’t have to die young, according to the University to Advance Science and Technology in South Korea, where a room temperature process has been invented to infuse electrode particles with a protective layer. “Nickel-rich materials are considered promising cathode materials, as they can deliver higher capacity at lower costs,” said UNIST. “However, ...

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Dye sensitised solar cells get another boost in efficiency

Dye-sensitised solar cells can be improved by a new dye formulation, according to researchers at Swiss institution EPFL, where such cells were invented by Brian O’Regan and Michael Grätzel  in 1991. Dan Zhang and Marko Stojanovic in Grätzel’s have developed a dye (combining a carrier donor and acceptor) called MS5 that can increase open circuit ...

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Clicky keyboard switch is 3.5mm tall for high-end notebooks and desktops

Cherry MX, the German keyboard switch company, has created a mechanical keyboard switch only 3.5mm tall and ~70% smaller than its own Low Profile range, introduced in 2018. Called the Ultra Low Profile, it is aimed at high-end thin notebook and desktop keyboards. The company “is moving toward the current limit of technical feasibility with ...

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Japanese AI processor firm picks Risc-V for partner CPU

ArchiTek has licenced a risc-V processor core from SiFive to complete its AiOnIc proof-of-concept artificial intelligence processor. “SiFive E3-Series Core IP enabled us to hit our performance, power, and area targets, while SiFive Core Designer and SiFive partner DTS-Insight helped reduce our development time,” said ArchiTek CEO and CTO Shuichi Takada. AiOnIc’s architecture, called ‘aIPE’ is designed ...

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6kV isolated silicon carbide gate driver

STMicroelectronics has created a pair of isolated gate drivers for silicon carbide mosfets. Called STGAP2SiCS, they are capable of producing a gate-driving voltage up to 26V, and there is a 15.5V under-voltage lock-out to prevent under-driving. Dual input pins provide a choice of gate-drive signal polarity. Inputs are compatible with CMOS and TTL logic down to ...

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