Author Archives: steve bush

X-Fab adds 375V nmos and pmos super-junction transistors to BCD chip process

X-Fab Silicon Foundries has added 375V power transistors to the devices available from its 180nm deep trench isolation BCD-on-SoI platform chip fab. The second generation of its XT018 super-junction high-voltage primitive devices, they cover 45 to 375V in one process module and are aimed at applications like medical ultrasound transmitter-receiver ICs and AC line-powered IoT sensors. ...

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Automotive fan motor chip drives quietly for electric vehicles

For an automotive three-phase fan motor driver, Allegro has picked a control algorithm for quiet running in electric vehicles. Called A89307, it uses field-oriented control to drive continuous sinusoidal current to the load. “By design, electric and hybrid vehicles are quieter than traditional models with internal combustion engines, especially when they’re stopped, and drivers are becoming ...

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Amphenol M8x1 connectors for industrial Ethernet

Amphenol’s Conec range of M8x1 D-coded circular connectors are optimised for industrial automation applications. “These connectors present engineers with all the attributes necessary to meet the ISO11801 Class D standard for up to 100Mbit/s fast Ethernet signal transmissions,” according to RS Components, which is stocking the parts. They have 0.8mm diameter contact pins rated at up to ...

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30W dual output PCB-mount dc-dc converters

Flex Power Modules has added 30W dual output variants with 4:1 inputs to its PKE range of through-hole encapsulated board-mounted dc-dc converters. PKE532x series has an 18-75Vdc (100V peak) input range suitable for 24, 28 or 48 V nominals PKE332x series input range is 9-36Vdc (50V peak) Both parts are available with either ±12V or ...

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Reed relays for high-voltage low-level switching

Pickering has introduced low-level switching variants of two of its siries of high-voltage reed relays. Modifications of the 119 and 131 series, both Series 119L and 131L relay ranges have been specifically developed for mixed-signal applications where low and stable contact resistance is important for the end user’s application. They have a slightly lower stand-off voltage than standard (up ...

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Sneak peek into SiFive’s most powerful Risc-V yet

SiFive has briefly pulled back the curtains on its most powerful Risc-V processor yet. So far only called ‘Next Generation Core’ or Next-Gen, its official name, final design specs and availability will be unveiled early in December at the Risc-V Summit. The headline figure is that it will improve on the P550’s performance, currently SiFive’s most powerful ...

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Rohm and Zhenghai to make SiC power modules in Shanghai

Zhenghai Group and Rohm have signed a joint venture agreement to establish a silicon carbide power module business in Shanghai. Haimosic (Shanghai) will be founded in December and be 80% owned by Shanghai Zhenghai Semiconductor Technology from Zhenghai Group and 20% by Rohm. It will “engage in the business of development, design, manufacturing and sales ...

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GMR reduces jitter in rotary sensing compared with Hall

Allegro Microsystems is advocating GMR – giant magneto-resistive – effect sensors for automotive rotary wheel position sensing instead of Hall effect sensing. The company, which makes both Hall and GMR sensors, argues that GMR has lower noise and therefore reduces angular jitter when measuring the position of rotating shafts. “GMR is fundamentally a lower-noise magnetic ...

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Four-slot industrial PC is ready for 5G comms

Axiomtek’s IPC970 is a four-slot industrial PC for Intel Comet Lake S processors: Xeon or 10th generation Core i7/i5/i3 processors up to 80W, with Intel’s W480E chipset. Nvdia’s high-end GeForce RTX 3090 graphics card is supported, which has 10,496 CUDA cores and 24Gbyte of GDDR6X memory. The PC has one I/O module slot (’11’ in diagram), ...

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UK made: E3D wins workforce growth award

Oxfordshire-based 3D printer component supplier E3D has won the ‘Growing the workforce’ award in the Thames Valley SME 100 Growth Index, following runner-up position in 2020. “We’re absolutely delighted to receive a TV SME 100 Growth award, and particularly this one: our workforce is absolutely essential to our success,” said E3D head of product strategy ...

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