40mOhm silicon carbide transistor switches 1,200V and 50A

New Jersey-based UnitedSiC has introduced a silicon carbide transistor that can switch 1.2kV and 47A at 100degC. Unusually for SIC transistors, the gate is fully compatible with existing IGBT drivers, and has a 5V gate threshold – avoiding accidental turn-on issues associated with the lower thresholds of SiC mosfets. Called UJ3C120040K3S, its gate characteristics come ...

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Modified Bluetooth could localise to 30cm

A software-only change to the Bluetooth specification could add distance measuring with 30cm accuracy, according to Belgian research lab Imec. Needing only a standard Bluetooth transciever at each end of the link – so applicable to existing phones – adoption could lead to improved positioning, localisation and security. “Today’s localisation solutions merely use signal strength ...

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EMI-optimised automotive PoL dc-dc buck

Maxim is claiming “industry’s lowest EMI performance for automotive infotainment and ADAS applications” for a pair of buck converters intended to produce 0.5-3.8V from 2.7-6V. There are two devices, the MAX20073 which outputs up to 2A and the MAX20074 which has a 3A output. Pin-compatible ASIL variants are available. The company also claims “ultra-low quiescent ...

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Infineon in volume production of IPMs with integrated CoolMOS MOSFETs.

Infineon is in volume production of the IM512 and IM513 series of the CIPOS Mini family. They are the first high efficient IPMs (intelligent power modules) that integrate CoolMOS MOSFETs. The IPMs help in optimizing power efficiency in applications such as compressors, pumps or fans for home appliances. The chips are designed to drive motors ...

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Arduino and u-blox add four boards

u-blox and Arduino have introduced four new boards to their MKR family, delivering enhanced wireless connectivity options for IoT applications. Arduino introduced the MKR family and form factor to address IoT use cases by focusing on a standard blue print including a hardware crypto chip for enhanced security, a LiPo charger for power management, and ...

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Uber and Tesla in self-drive hot water

Uber has stopped testing self-driving cars on public roads after the Arizona fatality, while Tesla is under fire for naming its driver assistance function Autopilot. The Governor of Arizona banned the testing of Uber self-driving cars on public roads after the fatality. Uber was also testing its cars in Pittsburgh and California. Uber has decided ...

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Digi-Key signs IQD

IQD, the quartz crystal specialist, has  signed a global distribution agreement with Digi-Key. Through this agreement, Digi-Key will distribute IQD’s frequency product line comprising  quartz crystals, clocks oscillators, VCTCXOs, TCXOs, OCXOs, GPS Disciplined OCXOs, and Rubidium oscillators. “In today’s world where design engineers need product immediately for their designs, the agreement with Digi-Key enables IQD’s ...

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