Author Archives: steve bush

Two-wire Hall switches have diagnostics ready for ISO 26262

Diodes has added diagnostics to two-wire Hall-effect switches to ready them for ISO 26262 automotive functional safety. “They monitor main device blocks, supply voltage and temperature, with a third lower current output state,” according to the company. “This enables them, as a ‘safety element out of context’ [SEooC] to support ISO 26262 functional safety system integrations.” ...

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Flexible stretchy supercapacitors

The University of Surrey has created a flexible and stretchy supercapacitor “that can be easily integrated into footwear, clothing, and accessories”, it said. Building one involves transferring aligned carbon nanotube arrays from a silicon wafer to a PDMS (polydimethylsiloxane) matrix in which they are partly embedded for robustness. This is then electro-coated with polyaniline to improve ...

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Percepio supports Zephyr and Microsoft Azure ThreadX

Percepio is supporting Zephyr and Microsoft Azure ThreadX RTOSs with version 4.6 of Tracealyzer. The release includes the company’s next-generation trace recorder library with improved support for snapshot trace – snapshot recording opens the door to using its cloud service (DevAlert) for monitoring application code executing in deployed IoT devices. Trace data can now be saved ...

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More on: Melexis’ tactile sensor for robot finger tips

Aimed at robot hands and grippers, Tactaxis from Melexis is a soft tactile sensor prototype that outputs a measure of the 3D force vector acting on its surface. “This improves robots’ hands and grippers, making delicate operations such as fruit picking possible,” according to the Belgian company. Uniquely, it said, it’s gradiometric approach makes it ...

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10W non-isolated mains-to-dc converter

Diodes has released a non-isolated 10W power supply IC that delivers up to 10W or 600mA from universal mains. It has an internal 700V mosfet and works with mains from 85Vac to 300Vac, and typically with peak current up to 1.1A. “A key differentiator of this switcher IC is that it supports conventional off-line non-isolated ...

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Rack mount spectrum monitors reach 43.5GHz

Anritsu has created the MS27201A remote spectrum monitor series, that includes a 43.5GHz version for new satellite downlink bands. A 110MHz measurement bandwidth supports common satellite downlink spans, DANL (displayed average noise level) is -164dBm and the typical TOI (third-order intercept point) is +20dBm. Other MS27201A versions work up to 9GHz or 20GHz. All work down ...

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Secured NFC tag includes sensing for end-product protection

NXP has combined NFC, secure authentication, anti-tamper and a sensor interface into a single battery-free chip family called NTAG 22x. The parts are aimed high-volume tagging applications, for example: authenticating retail products or protecting them from tampering, or battery-free environment sensing. They include ISO/IEC 14443-A communication and function as an NFC Forum Type 2 tag, and ...

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Sinewave driver for quiet motors needs no sensors

Toshiba has announced a three-phase brushless dc motor driver with sensor-less sinewave control. The IC, called TC78B011FTG, is a ‘pre-driver’ in the company’s nomenclature because it needs six external mosfets wired as a three-phase bridge to switch motor current. Operation is from 5.5 to 27V, and the same IC can implement either closed-loop or open-loop ...

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SiFive puts its whole Risc-V processor range into Intel’s foundry service

Risc-V processor IP company SiFive is partnering with Intel Foundry Services (IFS) to optimise SiFive IP for Intel’s foundry customers. The two companies have already collaborated, using SiFive’s ‘Performance P550‘ processor and Intel PCIe and DDR interfaces to build the ‘Horse Creek’ Risc-V development platform. “We’re excited to extend our relationship with IFS to ensure the ...

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Baseplate cooled 500W PSUs for railway use

Aimed at nominal 72V and 110Vdc inputs, the 500W RMD500-EW power supply series from Recom is intended for baseplate-cooled railway use, and similar 300W and 150W rolling stock and trackside PSUs are in the pipeline. Inputs can span 43 to 154Vdc (4:1), and peak at 170V. Output is 24V at up to 500W even with the ...

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