Author Archives: steve bush

Deloitte opens cybre-threat hunting service in EMEA

Deloitte is to provide cyber-threat hunting services to companies in the EMEA region using the threat-hunting technology provided by Sqrrl. Threat hunting, in Deloitte’s definition, is the active search for cyber adversaries that have slipped past other defences. With the developing sophistication of ‘low and slow’, it said, and the growing impact of data breaches, ...

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Isolated mosfet driver delivers 5A to switch 300A, or more

Power Integrations has added to its isolated gate driver family, for mosfets and IGBTs, with a 5A driver in a wide-body eSOP package. 5A is enough for switches handling 300A, or more if an external booster circuit (see diagram) is added to push the drive to 60A. “This device provides n-channel drive for both the low ...

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25V mosfet gets down to 0.58mΩ and 61nC

Vishay has introduced a 25V n-channel power mosfet that it claims has industry’s lowest maximum on-resistance: 0.58mΩ at 10V, and lowest gate charge and gate charge times on-resistance figure of merit for devices with on-resistance below 0.6mΩ – although the firm went on to say: “the device released today is one of the only two ...

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LuxLive round-up

LuxLive as usual was a vibrant show, held once again a ExCel in London’s docklands. It is a tribute to just how far LEDs have penetrated the lighting market. Sadly, Electronics Weekly did not have time to visit the many Far Eastern manufacturers there, and steered away from most of the networking technology on show ...

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Maxim senses breathing, pulse, blood oxygen and more for wearables

Maxim is aiming at medical wearables with a set of chips for sensing various vital signs. In particular, its chips are aimed at wearables that meets US Fedral Drug Administration (FDA) sensing specifications – so far, said Maxim, no wearables have achieved FDA approval. MAX86141 is an autonomous dual-channel (for two photodiodes) optical pulse oximeter ...

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Nvidia Cuda opens door to fast DSP in PCIe PCs

Nvidia’s ‘Cuda’ graphics processors, with their high bandwidth PCIe interface, have opened the door to fast, but simple, instrumentation-grade DSP, according to Spectrum Instrumentation. Spectrum is a maker of digitisers – effectively low-noise multi-channel ADCs, some PCIe-based. Cuda is an Nvidia parallel number-crunching technology, that allows direct PCIe peripheral to GPU interaction without the host ...

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Partner chip adds high-grade security to IoT MCUs

Maxim has introduced a partner security chip for microcontrollers. Called the DS28E38 secure authenticator, it includes security keys created on-die by a ‘physically un-cloneable function’ (PUF), which the firm is branding ChipDNA. “We looked at existing PUF designs – we would have bought one, but they fell short,” said Maxim v-p of security business Dan Loomis, who ...

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Ignore IoT security at your peril, and everyone else’s too

Take IoT security seriously, however daunting this might be, is the message of Dan Loomis, v-p of security business at chip-maker Maxim. And he would say that wouldn’t he, because he was talking at the launch of a new security chip. But what he said is important for anyone designing an IoT product, regardless of ...

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9ns minimum on-time enables 2MHz high-ratio dc-dc converter : 2.5V from 60V

A 9ns minimum on-time has allowed Rohm to offer a 60Vto 2.5V dc-dc converter – a 24:1 step-down ratio – that runs at 2MHz, claiming this to be a world first.Worst case minimum on-time is 20ns. Called BD9V100MUF-C, the BiCDMOS chip includes output mosfets and is aimed at 48V automotive systems. 2MHz operation keeps it ...

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Op-amp rejects noise for car use, claims Rohm

Rohm has introduced some automotive grade op-amps which it claims cut noise problems through three built-in RC filters for input, output and power supply, aiming them at electric and hybrid vehicles. “Greater digitalisation and application density in automotive systems exacerbate the problem of EMC, since each additional component constitutes a potential source of interference. This ...

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