Power Electronics News

Powered wheel is packaging triumph

French firm Ez-Wheel has managed to pack an entire electric vehicle system into a wheel – battery, charger, converter and motor included. Nothing electrical need be fitted to the vehicle chassis. Intended to add powered traction to industrial trolleys, application are also proposed moving patients in hospitals and shifting food…

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More on: Siemens' electric airplane motor

Siemens has developed a 50kg electric motor that can produce 260kW at 2,500rpm – slow enough to drive a propeller without a gear box. Weight saving has come from several directions. For example, the stator is of cobalt-iron alloy for high magnetisability, and the permanent magnets of the rotor…

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TI aims to kick-start GaN revolution

Texas Instruments aims to get GaN into the engineering community so designers can evaluate its super-fast switching capabilities in power stages, without getting bogged down in the subtleties of GaN driving: parasitic inductance in the gate loop, for example. According to the firm: “TI is enabling the ecosystem, magnetics…

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Hades for extreme temperatures

Cissoid has brought out its second generation of Hades isolated gate drivers. Hades is aimed at high density power converters, motor drives and actuators based on SiC transistors, traditional power mosfets and IGBTs…

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Plextek PA for 5G

Plextek RFI has developed a 4-Channel 28GHz power amplifier with 4-Bit digital phase control for 5G RF front ends…

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PMBus revised to r1.3.1

The System Management Interface Forum (SMIF) has launched another revision to its PMBus standard, taking it to revision 1.3.1 – superseding r1.3, released early last year. It includes clarifications to streamline and speed implementation, primarily centred on the ZONE and the Manufacturer Specific commands. “The ZONE command structure…

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Dyson invests to put smaller batteries in its robots

Dyson is investing $15m in a US-based battery technology firm. The US start-up Sakti3 develops solid state lithium-ion batteries which UK-based vacuum cleaner firm Dyson plans to use to power its cordless and robotic cleaners. According to company CEO, Sir James Dyson, the firm’s battery…

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