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· New portfolios from TI push the limits of power design further, help engineers achieve industry-leading power density

News highlights:●100V GaN power stages with thermally enhanced package technology reduce solution size by over 40% and increase power efficiency with 50% lower switching losses.●The industry's smallest 1.5W isolated DC/DC modules deliver over eight times higher power density for automotive and industrial applications. New portfolios of 100V GaN power stages and 1.5W isolated DC/DC modules from TI help engineers achieve industry-leading power density. DALLAS, Feb. 20, 2024 /PRNewswire/ -- Texas Instruments (TI) (Nasdaq: TXN) today introduced two new power conversion device portfolios to help engineers achieve more power in smaller spaces, providing the highest power density at a lower cost. TI's new 100V integrated gallium nitride (GaN) power stages feature thermally enhanced dual-side cooled package technology to simplify thermal designs and achieve the highest power density in mid-voltage applications at more than 1.5kW/in3. TI's new 1.5W isolated DC/DC modules with integrated tran...
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03-18
2024
· The whole family produces counterfeit and inferior chargers, and online stores with sales exceeding one million yuan are sued

The voltage and current of electric vehicle chargers from different brands vary, and mixing them can damage the battery. In severe cases, it can also cause self ignition and explosion, posing significant safety hazards. Recently, the Yizheng City Procuratorate has filed a public prosecution against the defendant Li and others, who produce and sell counterfeit electric vehicle chargers from brands such as Super Wei and Emma, on suspicion of counterfeiting registered trademarks."The pirated chargers we produce are much thinner than the genuine ones, and the quality of the components is not as good as the genuine ones. We just bought parts, shells, and trademark stickers from the town and came back to assemble them," Li confessed to the investigative agency. Despite knowing that producing and selling counterfeit chargers from other brands is illegal and the quality is not up to standard, driven by interests, Li and others have gradually entered the abyss of crime.Li, born in the 1990s, w...
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03-18
2024
· Poor quality electric bicycle chargers are one of the factors causing electric bicycle fires

Recently, the fire safety of electric bicycles has frequently attracted attention. In addition to batteries, the power of chargers as invisible bombs cannot be underestimated, and low-quality electric bicycle chargers are also one of the factors causing electric bicycle fires.So, what issues should consumers pay attention to when purchasing and using electric bicycle chargers on a daily basis? We arrived at the Jiading District Fire Rescue Brigade and conducted an experiment with firefighters and police officers.The prices of products on the market are significantly different, with significant differences in material and workmanshipThe experimenters purchased multiple electric bicycle chargers from different channels in advance, with prices ranging from tens to hundreds of yuan. Before dismantling, the experimenters first compared the three experimental chargers A, B, and C involved in the experiment in terms of appearance, weight, and other aspects. According to Wang Hetian, the head...
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03-18
2024
· Xiaomi 67W fast charging is available! Xiaomi Civi 4 has obtained 3C certification

Recently, a mysterious new device from Xiaomi has successfully passed the Chinese national 3C certification system, with the model number "24053PY09C", demonstrating strong capabilities in fast charging technology, supporting up to 67W of fast charging function. It is worth noting that this newly certified phone is actually the same product as the new model that appeared on the network access permit list of the Ministry of Industry and Information Technology of China, and it is highly likely to be the highly anticipated Xiaomi Civi 4 standard version.Looking back at the leaked information, the Xiaomi Civi 4 series is expected to adopt a straight screen design, equipped with a 1.5K high-resolution display screen, and supporting high refresh rates to provide a smooth visual experience; At the same time, the device also emphasizes the application of eye protection technology, striving to protect the user's visual health while ensuring performance. In terms of core configuration, the indu...
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03-18
2024
· Kewell obtained invention patent authorization：A Superconducting Magnet Power Supply Circuit

According to data from Qichacha, Kewell (688551) has obtained a new invention patent authorization, titled "A Superconducting Magnet Power Supply Circuit", with patent application number CN201811185315.2, and the authorization date is March 12, 2024.Patent abstractThe present invention provides a superconducting magnet power supply circuit, comprising an AC/DC rectification circuit for converting AC to DC, and a DC/DC circuit series connected to the output end of the AC/DC rectification circuit for adjusting DC power. The DC/DC circuit comprises a first power unit IG1, a second power unit IG2, a diode D1, a current sensor CS1, a filtering inductor L1, a filtering capacitor C1, and a normally closed contactor Q1, The collector of the first power unit IG1 serves as the positive input terminal of the DC/DC circuit and is connected to the negative terminal of diode D1, which can effectively control the charging and discharging of the superconducting magnet. At the same time, energy feedba...
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03-16
2024

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