Author Archives: steve bush

Alternative magnetic material for electric vehicle motors

Japanese scientists are proposing a new material for use in the permanent magnets of electric vehicle motors. The incumbent technology – neodymium-iron-boron, sometimes with dysprosium – works well, but Nd and Dy are considered minerals or strategic importance by nations which mine them, and are mostly found in China where exports are restricted. Working together, ...

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High-performance fabric sensors survive washing machine

Re-usable flexible medical skin electrodes have been built by combining fabric and chemical engineering at the University of Massachusetts Amherst. Technical performance is similar to commercial wet gel electrodes, while convenience is comparable to dry electrodes – which are easy to use but generally provide inferior signals to wet electrodes. Four of the electrodes have been ...

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Two separate inductors in one package for Class-D automotive audio

Vishay aims to save space in automotive Class-D audio amplifiers with two independent inductors in the same package. Built into a 2525 case size (under 8 x 8 x 8mm), the AEC-Q200 qualified IHLD-2525GG-5A inductors are intended “to provide noise filtering in Class D amplifiers”, they “consists of two IHLP inductors with operating temperatures up ...

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Inclinometer chip with machine learning

STMicroelectronics has introduced a two-axis digital inclinometer for use in industrial automation and structural-health monitoring. It includes a programmable machine-learning core and 16 independent programmable finite state machines intended to save power for battery operation and reduce data transfers from edge sensors to the cloud. Called IIS2ICLX, the device has selectable full-scale of ±0.5, ±1, ±2 ...

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Functional safety intelligent power switches are fast

STMicroelectronics has introduced fast-starting intelligent power switches for safety-instrumented systems. They are designed to meet IEC 61131-2. “With power-on delay time of less than 60µs, the IPS160HF and IPS161HF satisfy standardised requirements for interface types C and D in Safety Integrity Level (SIL) Class 3 applications,” according to the company. They will drive complex resistive, capacitive and ...

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DIN rail ac-dc PSUs deliver 24V at 36, 60 or 90W

Puls Power has introduces a series of DIN rail ac-dc power supplies. Part of the Piano series and called Piano-PIM, they are intended for “use in industrial applications which only require a basic power supply so that customers do not have to pay for unnecessary control and communication facilities”, according to the company. Input range ...

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Small plastic enclosures, made in Harrogate

BCL Enclosures of Yorkshire is offering the BC range of hand-held cases for measuring instruments, wireless communication devices, and control and data recording devices. BC2 has a belt/pocket clip and integral PP3 battery compartment with a removable cover and clip-in terminals as standard. Four internal location pegs and sockets hold a PCB in place without ...

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Schottky junction turns a neutral crystal piezoelectric

Adding a Schottky junction to certain crystals can turn them into piezoelectric or pyroelectric crystals, even if they were unaffected by deformation or heat before, according to the the University of Warwick, where the research was done. The subjects were ‘centrosymmetric’ semiconductors. niobium-doped strontium titanium oxide crystals niobium-doped titanium dioxide crystals niobium-doped barium strontium titanium ...

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Newcastle touch-screen maker wins tough-screen contact in Italy

Newcastle-based Zytronic is to supply rugged 55inch custom touch screens to Italian vending machine maker PharmaShop24. These are huge machines, that vend 255 over-the-counter medicines from what amounts to a small robot-automated warehouse. To fit more product into a fixed space, PharmaShop realised that the traditional vending mechanism, where customers view products directly, was no ...

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Laser-cut graphite sheet aids flow battery research

Flow batteries are energy storing structures that store chemical energy as liquid electrolytes in tanks, and pump those liquids to a reaction site – a membrane-electrode assembly (MEA) – when electricity must be produced or re-charge is needed. This separates the number of watts a flow battery can produce from the number of joules it can ...

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