Author Archives: steve bush

3 phase meter eval kit has 24bit ADC and calculation

ST is aiming at compliant 3 phase watt meters with an evaluation kit built around the STPMS2 double channel 24bit second-order ΣΔ modulator. Called EVALSTPM-3PHISO, it measures through a voltage divider and current shunt for each phase. “Sensing circuitry and PCB layout are optimised to maximise signal-to-noise ratio for accuracy,” said the company. The STPMS2 oversamples ...

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How about an electrochromic display?

Canadian company Ynvisible is offering custom electrochromic displays on thin flexible substrates. This is a new spin on an existing technology, characterised by low power consumption and image retention for tens of minutes after power is removed. It works by driving ions in and out of the visible surface to change its colour, using a ...

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Compact module adds RF remote mains control to… …nearly anything

RF Solutions has created a single-channel remote control problem-solver that can switch up to 1kW of mains load. Called RF Ferret, it has a 21 x 76mm footprint and uses change-over relay as an output. There are three RF Ferrets: Ferret-4R1 433MHz 6-24V Ferret-8R1 868MHz 6-24V Ferret-9R1 918MHz 12V All can be switched between momentary and ...

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Better 40V and 60V p-channel mosfets for high-side switching

Rohm is aiming at 24V high-side switching applications with a range of 40V and 60V p-channel singe and dual mosfets. “These products utilise Rohm’s 5th gen refined process to achieve a finer gate structure and higher current density than Rohm’s conventional products, resulting in the class-leading low on-resistance per unit area for 24V input -40V ...

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Gaggione simplifies fitting of LLC25x collimators

Gaggion has removed the moulding sprue from the alignment edge of its LLC25x colour-mixing collimator range, so they will now sit flush on a flat mounting annulus, with no need for a notch. These are 32mm optics, with non-chip-imaging characteristics to create even beams from single or multi-chips RGBW, tunable white or standard white leds. See ...

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Demo board for 300W GaN dc-dc converter

GaN transistor maker EPC has picked a Renesas controller for a 1/16 brick 300W dc-dc converter demo board. “Renesas’ synchronous buck controller IC makes using GaN even easier,” said EPC CEO Alex Lidow. “We are delighted to work with Renesas to combine the benefits of its controllers with the performance of GaN to provide customers ...

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Yokogawa adds 200Msample/s ScopeCorder and puts all its test software under one roof

Yokogawa has introduced a ScopeCorder (oscilloscope plus data recorder) that works up to 200Msample/s and 8Gsamples, as well as a single test software front-end that will operate and inter-operate all of its ScopeCorders, power analysers and oscilloscopes. The hand-carriable DL950 is built on the existing DL850E, but handles more data at faster speeds over longer ...

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0612 low-value power resistors for automotive and industrial

Vishay has extended its NCW AT family of thin-film chip resistors with 0612 case size devices rated at 1W for power electronics in automotive and industrial applications. They are ‘wide-terminal’ resistors – with the solder terminals on opposing long edges, rather than on the short edges as is more common. Beyschlag NCW 0612 AT components combine temperature ...

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Camera board for battery-powered IoT image capture

On Semiconductor has released a pcb-level low-frame-rate low-power IoT smart camera for cloud-based AI image capture and recognition. Called the RSL10 Smart Shot Camera, it is intended to add “the power of [cloud] AI-based image recognition to low-power IoT endpoints, such as surveillance cameras, restricted areas, factory automation, smart agriculture and smart homes”, according to the ...

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DIP photo relay switches 2A and 100V

Toshiba has introduced a photo-relay in a DIP package that can switch 2A and 100V. Intended to replace electro-mechanical relays industrial applications, the company sees TLP241B being used in programmable logic controllers (PLCs) as well as building automation systems like HVAC (heating, ventilation and air conditioning). “By incorporating one of Toshiba’s advanced mosfets, the TLP241B sets new ...

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