Author Archives: steve bush

250W GaN dc-dc demo board is physically thin

GaN transistor maker EPC had released a pair of physically thin 250W dc-dc converter demo boards for 48V rails. EPC9153 – max component height 6.5mm – synchronous buck converter, 98.2% peak efficiency 44 – 60Vin, 12 – 20Vout, 12.5A out, 400kHz switching EPC9148 – max component height 4mm – more complex three-level (four output transistor) topology, 98% ...

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Resin MLSA 3D printer aims at professional market

London start-up Satori has launched a resin-style 3D printer for professional users, and a partnership programme to go with it. The printer, called ST1600, offers a 120 x 192mm build area 120mm tall, was designed in London and is made in China. This style of printer, often called ‘MLSA’ for mask stereolithography, uses an LCD as ...

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40V mosfet half-bridge in 3.3 x 3.3mm

Vishay has introduced a 40V n-channel mosfet half-bridge for synchronous buck converters and motor drives with low on-resistance and gate charge. Called SiZ240DT, its two transistors are: Channel 1 (upper, switch) 8.05mΩ at 10V 12.25mΩ at 4.5 V 6.9nC gate charge (20V at 10A, Vg=4.5V) 48A at 25°C Channel 2 (lower, rectifier) 8.41mΩ at 10V ...

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micro:bit version 2 : educational computer now runs AI and gets a loudspeaker

Details have been announced of version 2 of the BBC micro:bit educational computer. micro:bit v2 is built around a Nordic Semi nRF52833, which will run application code, Bluetooth stack and handle USB. The core in this chip is a 64MHz Arm Cortex-M4 with a floating point unit – described as “the CPU power to run AI ...

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MIPI A-PHY to get IEEE standard

The MIPI Alliance has signed a memorandum of understanding with the IEEE to adopt the MIPI A-PHY specification as an IEEE standard – A-PHY only became available to MIPI members in September. MIPI A-PHY v1.0 is a long-reach SerDes (serialiser-deserialiser) physical layer interface for automotive applications such as driver assistance (ADAS) and autonomous driving (ADS), as well ...

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Ac-dc DIN rail PSUs fit are Class II and low-profile

XP Power has released three series of DIN rail mount ac-dc PSUs for industrial electronics, controls and building management. “The low-profile case allows DRC series power supplies to be positioned alongside circuit breakers within consumer unit boxes,” according to the company. “The convection cooled units offer Class II operation, eliminating the need for a safety ...

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2 MOPP inlet connectors add medical-grade protection

Schaffner has introduced a series of filtered IEC mains input connectors designed not to compromise two MOPP (means of patient protection) safety precautions in medical equipment. Called FN9274, they have been designed according to Class II medical equipment standard IEC / EN 60601-1. The enclosure is plastic for higher dielectric strength insulation and C18 inlet receptacles do ...

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Imagination extends mobile GPUs to automotive and data centres with 6Tflop B-Series

Imagination Technologies is aiming at automotive and data centre application on top of its usual market of phones and digital TVs with its latest family of graphics processor: the B-Series, with introduces multi-core options and ISO26262 functional safety. Up to 30% reduction in power and 25% area reduction is claimed over previous generations of Imagination ...

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Tough magnetic switches are IP67 sealed for dirty environments

C&K’s MPSR series of magnetic sensors are designed for non-contact position and proximity detection in tough dirty environments. The 61mm long housing is aluminium with a stainless steel cable, and operating life is 4 million actuations in spite of dirt, dust, oil, grease and water, according to the company. The switches are electro-mechanical, with Form C (change-over) ...

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3D camera is IP65 to give robots robust eyes

IDS has extended its 3D camera series with compact and robust devices designed specifically for robotics and automated series production. Ensenso N40 and N45 are IP65/67 protected for use in harsher environments, with fibre-reinforced plastic cases making them the lightest stereo vision cameras equipped with Gigabit Ethernet in the IDS product range. Rounded corners minimise ...

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