Power integrations has moved to active clamp fly-back conversion, zero voltage switching and a GaN transistor to shrink the size of its ac-dc USB-C charger circuits. The ICs implementing the circuit are InnoSwitch4-CZ and ClampZero, and consumer brand Anker announced products using them yesterday: 30, 45 and 65W USB-C Nano II chargers (photo). The active clamp, ...
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STMicroelectronics is aiming to protect CAN and CAN-FD interfaces with a low-capacitance dual automotive-qualified transient voltage suppressor. Called ESDCAN03-2BM3Y, it has two bidirectional suppressors with a common connection in a 1.1 x 1.0mm package and can clamp as low as 33V with 1A 8/20µs transients, or 37V with a 16A transmission-line pulse – peak pulse rating ...
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Raspberry Pi will be delivering more power over Ethernet with a 802.3at-compliant version of its power-over-Ethernet add-on board, the ‘PoE+’ HAT. The new board will also eases a supply problem. “Unfortunately, the first-gen PoE HAT uses silicon that’s in short supply,” according to Raspberry Pi. “The old HAT will remain in production, but we are taking the ...
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Analog Devices has introduced a 16bit, 15Msample/s data acquisition module for digitising fast transient signals in power analysis applications “enabling low latency digital control in hardware-in-the-loop or source measurement unit applications”, according to the company. Called ADAQ23875, it has differential input signal conditioning circuitry including 0.005% matched resistors to implement a ±2.048V input range with a 4.096V reference ...
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Looking like a handy thing to use at the front end of circuits in lively voltage environments, Analogue Devices has introduced a precision op-amp that can function with up to 70V on its inputs regardless of its own supply rails. Called ADA4098-1, its rail-to-rail input shows a strong Linear Tech legacy, and even carries ‘Over-the-top’ ...
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Cadence is claiming up to 3x transient simulation performance for its latest transistor-level circuit simulator, compared with its previous offering. Called Spectre FX Simulator, it is the next generation of the company’s ‘FastSpice’ branded products, aimed at pre and post-layout verification of large DRAM, flash, SRAM and transistor-level SoC designs. “Design teams can verify functionality, timing for sign-off in a ...
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European scientists have made biphenylene, a theoretically predicted two-dimensional carbon material similar to graphene, but made of octagons, hexagons and squares instead of just hexagons. It has metallic properties, with stripes of the network 21 atoms wide behaving like a metal while, according to Aalto University in Finland, while graphene is a semiconductor at this size. ...
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Advanced Micro Peripherals has released a stand-alone, low latency H.264 video streamer with four NTSC/PAL/RS-170 composite sources. Called XStream-SD4, “this ruggedized SWaP-optimised solution is tailor-made for even the harshest military and industrial applications”, according to company founder and CEO Lee Foss. On-board is a dedicated hardware compression engine capable of encoding all four video channels ...
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Xsens has introduced two rugged 3D position sensing products which are “particularly well suited to use in harsh environments in maritime, mining and agricultural”, according to the company. They are: MTi-670G: GNSS + inertial navigation system module MTi-630R: attitude and heading reference system (AHRS) Both are in 41 x 56 x 37mm IP68-rated aluminium enclosures ...
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Magnetic tunnel junctions can be used to harvest 2.4GHz RF energy and turn it into dc current, according to researchers at the National University of Singapore (NUS) and Tohoku University who have driven an LED for such a power converter. The devices in question are non-vortex uniformly-magnetised spin-torque oscillators (see diagram) Magnetic sensors have already ...
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