Silicon carbide takes dc-dc converter to 1.7kV

Power Integrations has switched from a 900V silicon mosfet to a 1,700V silicon carbide transistor to make its automotive-qualified InnoSwitch3-AQ dc-dc converter compatible with 600, 800 and 1200V electric vehicle batteries. What sort of transistor is it? “We don’t go into details of the device,” Power Integrations’ director of automotive business Peter Vaughan told Electronics Weekly. ...

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Rechargeable power module is only 1.6mm thick for wearables and IIoT

Rohm teamed up with battery maker NGK to create a thin power source demonstration kit for wearables and industrial IoT. REFLVBMS001-EVK-001 consists of NGK’s novel Li-ion-based 38 × 27 x 0.45mm 27mAh EnerCera EC382704P-C cell with a Rohm BD70522GUL buck converter, which has a quiescent current of 180nA, and a BD71631QWZ charger-discharger-monitor – the latter can work ...

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New Yorker adds Raltron’s crystals and oscillators to linecard

Following the signing of a distribution franchise agreement, New Yorker Electronics will distribute Raltron Electronics’ range of frequency control products. The range comprises crystals, oscillators, antennas and frequency management products. Raltron was founded in 1983 and specialises in metal can and ceramic package crystals and oscillator devices for wireless comms, computer and storage equipment, industrial ...

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Photo relays trigger at 2mA

Toshiba has launched two normally open 1-form-A photo-relays that do not need more than 2mA through the input to operate. The input current “reduces energy consumption by approximately 33% when compared to existing Toshiba products such as the TLP240x series”, according to the company. There are two parts: TLP223GA 400Vmax 120mA 17Ω output turn-on 1ms ...

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5kW building automation motor is web-enabled and comes with an app

Californian Motor maker Turntide has extended control of its machines into the internet for building automation. Announced at the AHR Expo building automation exhibition in Las Vegas this week, ‘Turntide for Strategic Machines’ integrates the company’s recent pancake-style ‘TX’ motor, its controller and app. The motor is IoT-enabled for automated commissioning, remote monitoring, fault detection and to make ...

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Comau and Mullen Auto hook up on EVs

Comau has hooked up with Mullen Automotive – an emerging EV manufacturer – for the build out of a vehicle body shop at Mullen’s Advanced Manufacturing and Engineering Center (AMEC) in Tunica, MS, United States. Comau and Mullen Automotive are joining forces to develop the state-of-the-art body shop for the new and upcoming Mullen FIVE ...

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Caltech selects Laurie Leshin to be Director of JPL

The geochemist and internationally recognised space scientist Laurie Leshin will be the next Director of Nasa JPL (Jet Propulsion Laboratory), becoming the first female to be appointed to the role. Assuming her role in May, she succeeds Lt. Gen. Larry D. James USAF (Retired), who currently serves as JPL interim director. With 20 years of ...

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ST adds to gate drivers

Two new dual-channel galvanically-isolated gate drivers for IGBTs and silicon-carbide (SiC) MOSFETs from STMicroelectronics save space and ease circuit design in high-voltage power-conversion and industrial applications. The STGAP2HD for IGBTs and STGAP2SICD for SiC MOSFETs leverage ST’s latest galvanic-isolation technology to provide 6kV transient-voltage capability in a SO-36W wide-body package. In addition, ±100V/ns dv/dt transient ...

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