Author Archives: steve bush

New package increases photodiode pre-reflow shelf life

Osram has created photodiodes that can be soldered without any damage up to one year after initial contact with air, claiming that comparable products only last three days. “Developers at Osram Opto Semiconductors have significantly improved the moisture sensitivity level,” said Osram, “This applies to storage of the component under defined conditions at a temperature ...

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Renesas adds secure flash update to industrial MCUs with 2D graphics

Renesas has added a root-of-trust to increased the security of in-field flash firmware updates for its RX65N and RX651 microcontrollers, which are aimed at industrial IoT such as industrial automation, building automation, and smart metering. Features include: Encryption key protection Hardware encryption accelerators for AES, 3DES, and SHA true random number generator Protect boot code storage ...

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Attempt to restore sight by direct brain stimulation

French research lab Leti will participate in a US project to restore vision by stimulating the visual cortex, funded by a DARPA (US Defence advanced research projects agency) programme called ‘Neural engineering system design programme’ (NESD). Leti and Leti’s biomedical research centre Clinatec, will focus on a sub-set of the programme called CorticalSight, which is ...

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600V three-phase motor driver works from 3.3V logic

DGD2136 is a 600V integrated three-phase gate driver IC from Diodes, intended to drive six n‑channel mosfets or IGBTs in three half-bridges. While inputs that work down to 2.4V allow it to be controlled from 3.3V microcontrollers. Intended for brush-less DC and permanent magnet synchronous motor driving, found in household appliances, power tools, garden tools, ...

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Acquisition could take high-end body motion analysis to a physio near you

High-end human body motion-sensing technology could become widely available, following the purchase of Dutch motion tracking firm Xsens by California MEMS accelerometer maker mCube. Xsens technology is used by computer games companies, film makers and clinicians to accurately track the movement of limbs and other major body parts. For example, it is used to record ...

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16bit 80Msample/s PCIe digitiser cards will parallel up to 128 inputs

Spectrum Instrumentation has introduced a new generation of 16bit digitiser cards with a PCIe interface. Called M2p, they offered doubled sample rate and less noise compared with the previous 12, 14 and 16bit M4i generation, which they will replace.   13 new models are available for general sale, with different combinations of sampling rate (20, 40 ...

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Capacitance-to-digital front-end for sensing works on harvested energy

  AMS has announced a configurable capacitive sensing front end which allows speed and resolution to be traded to optimise designs. Called PCap04, it can capture and digitise 50,000 times per second at its fastest setting, or achieve 8aF resolution at its most sensitive. “Configurability also enables sensor manufacturers to trade measurement speed off against ...

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Vishay slims down fast rectifiers for automotive and telecoms

Vishay has introduced 13 200V and 600V FRED ‘Pt’ ultra-fast recovery rectifiers in its SlimDPAK (TO-252AE) package, which is 1.3mm thick. Better thermal performance is claimed compared to the footprint-compatible DPAK (TO-252AA) package, due to a 14% larger heatsink area. Each is available in automotive grade, or a commercial/industrial versions optimised for telecoms use. Intended ...

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