Author Archives: steve bush

100V half-bridge mosfet driver

Diodes has introduced a driver for high-side and low-side mosfet gates in half-bridges up to 100V. Called DGD0579U, it is aimed at cordless power tools, e-bikes and autonomous robot appliances. “Mosfet protection mechanisms are integrated into the device, improving system reliability and optimizing board space,” according to the company. “These include cross-conduction prevention, so that the ...

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28Vin space-grade PSUs are radiation-tolerant and customisable

Microchip is offering a 28Vin space-grade dc-dc converter built from discrete components. Why discrete components and not hybrid construction? “They are easier to customize than alternative space-grade power converters so they can meet specific voltage, current and other needs,” said Microchip v-p of discrete products Leon Gross. Custom versions are available “with reasonable lead time ...

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Designing a data logger that can be used by anyone

Timestrip of Cambridge has designed its first temperature logger for cold supply chains, the disposable miniature TL520. Within its 40 x 54 x 5.5mm IP54 enclosure – half the area of a credit card – the company has built a battery, status LEDs, a push button, enough memory to store 3800 data points and an NFC ...

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Photo-relay can handle 1kV for automotive

Toshiba has introduced a photo-relay capable of operating with 1.5kV across its output switch – the company’s first with such an output withstand voltage – “ensuring that it is compatible with the vast majority of traction batteries”, it said. AEC-Q101 qualified and aimed at battery management systems, TLX9160T consists of an infra-red emitting diode optically coupled ...

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AI accelerator in 2.4GHz wireless MCU for Matter and Bluetooth

Silicon Labs has introduced a wireless microcontroller with a hardware AI accelerator that can work with Matter, Zigbee, OpenThread, Bluetooth Low Energy and Bluetooth mesh. It comes along with a software tool kit for machine learning. Called EFR32MG24, “this new hardware and software platform will help bring AI and ML applications and wireless to battery-powered edge ...

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RGB laser light engine for AR glasses

Osram has revealed a prototype laser emitter module for projection within augmented reality glasses. The lasers are 640nm red, 520nm green and 450nm blue, in a 7 x 4.6 x 1.2mm (39mm3) surface-mount package. Branded Vegalas, the “prototype design for the module demonstrates that a light engine for smart glasses can be compact enough to fit ...

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Carbon electrode leads to 500Wh/kg lithium-air battery

The Japanese National Institute for Materials Science (NIMS) and SoftBank have developed a 500Wh/kg lithium-air battery. “Despite their very high theoretical energy densities, only a small number of lithium-air batteries with high energy densities have actually been fabricated and evaluated,” according to NIMS. “This limited success is attributed to the fact that a large proportion by ...

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Sense turbidity through a Click board

MikroElektronika has introduced a sensor and interface board for measuring turbidity – the cloudiness of a liquid. Turbidity Click Bundle incudes a populated PCB conforming to the company’s Click interface standard, and Amphenol TSD-10 turbidity sensor, and a 150mm wire with the appropriate connectors on the end. TO get an ide of size, the slotted ...

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A piece of paper knocks the cost out of perovskite solar cell creation

Italian and Iranian scientists have replaced spin-coating with a simple piece of paper in a process to make perovskite solar cells. Spin coating is much like children’s spin painting, except that close control of process parameters results in the deposition of a continuous thin even film on the substrate. If aiming to deposit a poly-crystalline ...

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Toshiba opens high voltage laboratory in Germany

Toshiba has established a European high-voltage laboratory in Germany for automotive and industrial markets. “In line with the company’s shift in focus towards more power-related products, Toshiba invested this year in infrastructure and equipment such as high voltage power sources, loads and measuring equipment,” said Toshiba, The lab will will support European customers, particularly for silicon carbide ...

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