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· Wireless Charging for Electric Cars Is Inching Closer to Reality

An engineer holds a smartphone displaying the Hevo Inc. application to charge electric vehicles with wireless technology at the company's power facility in the Brooklyn, New York, US, in 2018. Photographer: Christopher Lee/Bloomberg , Bloomberg(Bloomberg) -- Someday soon, plug-in cars may no longer need a plug. Electric car drivers would simply pull into a specialized parking space when it’s time to power up, wait for a light on their dashboard to switch on, and then hop out of the car and go about their day.This is the promise of wireless EV charging, an inductive transfer of electrons that would eliminate the need for all those pesky cords. Multiple startups have spent years working towards a world in which wireless charging goes mainstream, and as EV adoption picks up, momentum is building to make that dream a reality. Companies are coalescing around standardized technology, automakers are embarking on wireless experiments, and municipalities are mapping out use cases. Even T...
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02-20
2024
· TI' new product series once again breaks through the limits of power supply design

100V GaN power stages reduce solution size by over 40 percent and increase power efficiency with 50 percent lower switching lossesTexas Instruments has introduced two new power conversion device portfolios to help engineers achieve more power in smaller spaces.TI's new 100V integrated GaN power stages feature thermally enhanced dual-side cooled package technology to simplify thermal designs and achieve high power density in mid-voltage applications at more than 1.5kW/in3. And the new 1.5W isolated DC/DC modules with integrated transformers are said to be the industry's smallest and most power-dense, helping engineers shrink the isolated bias power-supply size in automotive and industrial systems by over 89 percent.Devices from both portfolios will be on display at this year's Applied Power Electronics Conference (APEC), Feb. 25-29 in Long Beach, California."For power-supply designers, delivering more power in limited spaces will always be a critical design challenge," said Kannan Soun...
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02-22
2024
· EPC announces tiny GaN FET with 1mΩ On-Resistance

Compact QFN-packaged device offers higher power density for DC-DC conversion, fast charging, and motor drives EPC has launched the 100V, 1 mOhm EPC2361. This is claimed to be the lowest on-resistance GaN FET on the market offering double the power density compared to EPC’s prior-generation products. The EPC2361 has a typical RDS(on) of 1 mOhm in a thermally enhanced QFN package with exposed top and tiny, 3 mm x 5 mm, footprint. The maximum RDS(on) x Area of the EPC2361 is 15 mΩ*mm2 – over five times smaller than comparable 100V silicon MOSFETs, according to EPC. With its ultra-low on-resistance, the EPC2361 enables higher power density and efficiency in power conversion systems, leading to reduced energy consumption and heat dissipation. This breakthrough is particularly significant for applications such as high-power PSU AC-DC synchronous rectification, high frequency DC-DC conversion for data centers, motor drives for eMobility, robotics, drones, and solar...
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02-27
2024
· Mornsun launches 5000W AC/DC high-power power supply

Mornsun is deeply involved in the field of high-power switching power supplies. In response to the national trend of industrialization, it is now launching the LMF5000-25Bxx series of 5000W AC/DC casing power supply products. This series has the advantages of high efficiency (90%), wide working temperature range, ultra wide range voltage regulation, current regulation, etc. It is a high-quality power supply with high efficiency and reliability, providing engineers with better choices. 1.Product advantages(1) Small volume: 460.00 x 211.00 x 83.5mm(2) Compatible with multiple input methods: 3-phase 4-wire, 3-phase 3-wire, single-phase and DC(3) High efficiency: up to 90% efficiency(4) Wide working temperature range: -40 ℃ to+70 ℃(5) 20% -120% ultra wide range voltage and current regulation(6) Parallel current sharing can reach 20000W (3+1)(7) High reliability:a. Conducted/radiated disturbances meet Class A requirements; Electrostatic discharge ± 8KV/Air ± 15KVb. 4000VAC h...
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02-18
2024
· ROHM's EcoGaN Adopted by Delta Electronics Innergie brand AC adapter

ROHM's EcoGaN(TM) Adopted in the 45W Output USB-C Charger C4 Duo from Innergie, a Brand of Delta. ROHM's EcoGaN™ Adopted in the 45W Output USB-C Charger C4 Duo from Innergie, a Brand of Delta Santa Clara, CA and Kyoto, Japan, Feb. 26, 2024 (GLOBE NEWSWIRE) -- ROHM Semiconductor today announced the adoption of its 650V GaN device (EcoGaN™) in the C4 Duo, a 45W output USB-C charger from Innergie, a brand of Delta. Delta is a global provider of IoT-based Smart Green Solutions headquartered in Taiwan. ROHM’s EcoGaN device contributes to greater application performance, reliability, and miniaturization by providing higher efficiency in power supply systems.Efforts to save energy are accelerating toward achieving a decarbonized society by reducing power loss, especially in equipment that handles high power. Furthermore, GaN devices that enable high-speed switching are being considered for power supplies, since high frequency operation not only saves energy but also allows...
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02-28
2024

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