Crocus Apresenta o Futuro dos Sensores de Corrente Isolada Sem Contato de Alta Precisão

O CT45x apresenta as vantagens dos sensores TMR para repensar e simplificar as soluções no espaço das aplicações de alta precisão e alta corrente

MILPITAS, Califórnia, May 23, 2022 (GLOBE NEWSWIRE) — A Crocus Technology Inc., principal fornecedora de sensores disruptivos XtremeSense ® TMR (Tunnel Magneto-Resistance), anunciou hoje lançamento da família CT45x de sensores de corrente isolada sem contato para medições de alta precisão e alta corrente em uma solução mais simplificada. Ao contrário das soluções existentes, o CT45x permite que os fabricantes eliminem blindagens, concentradores ou núcleos caros. O CT452 e o CT453 oferecem precisão de 0,7% sem contato, largura de banda de 1 MHz e imunidade superior a -50 dB para campos magnéticos externos sem componentes mecânicos adicionais. Essa combinação de desempenho e precisão permite que os clientes reduzam o tamanho e o peso geral do produto, viabilizando a substituição dos módulos sensoriais atuais grandes e caros por uma solução pequena e simples.

O aumento dos requisitos atuais também aumentou os desafios das medições de altas correntes com precisão, tipicamente >200 A e muitas vezes até 2.000 A. Os resistores de derivação com amplificadores isolados são amplamente usados, mas apresentam um problema com perdas de I2R e tendem a ser grandes e caros. As soluções existentes de base magnética, tais como Hall Effect e AMR, são menos precisas e têm deriva de alta temperatura. Os produtos CT45x tem por vase a tecnologia XtremeSense TMR que oferece o futuro com uma abordagem sem contato de alta relação sinal-ruído (SNR) que pode ser dimensionada com os requisitos do sistema, alta largura de banda e tempo de resposta rápido, rejeição de campo de modelo comum, juntamente com as medições de alta precisão em condições de alta temperatura.

Além disso, muitas aplicações agora exigem medições de corrente muito precisas na faixa de até 1.000 A miliamperes ou mais. Muitas vezes, esse tipo de solução envolve vários sensores de corrente para alcançar o desempenho desejado do sistema com muitos comprometimentos e complexidades do projeto. O uso dos sensores de corrente XtremeSense TMR da Crocus viabiliza uma solução simples e sem comprometimento, por meio do uso de um único sensor CT45x que fornece uma grande faixa dinâmica e uma alta SNR. Por exemplo, o CT45x pode medir até 500 mA de resolução e até 1.800 A, mantendo uma precisão superior a 0,7%.

O CT45x oferece desempenho de ruído inovador, de até 0,55 mVRMS, para permitir que as aplicações detectem pequenos níveis de corrente e pequenas mudanças ou variações de corrente através de um barramento. Este desempenho é quase 10 vezes melhor do que as soluções Hall Effect existentes. Isso resulta em uma SNR (relação sinal-ruído) de até 77 dB para a medição CT45x, o que permite que o sistema processe dados de maior resolução com maior precisão.

“Com a família CT45x de produtos de sensores atuais sem contato, passamos a oferecer um portfólio completo de produtos para os nossos clientes, desde pequenas correntes até correntes maiores”, disse Zack Deiri, Presidente e CEO da Crocus Technology. “Este produto que tem por base a tecnologia TMR de ponta da Crocus é o mais importante no momento, pois os benefícios do nosso XtremeSense TMR agora abordam as necessidades das aplicações atuais mais altas que não podem ser atendidas com soluções existentes sem comprometimento. A Crocus está entusiasmada em poder abordar novos mercados de alta corrente, como BMS, Inversores, DC/DC Converter e muitos outros.”

Características e desempenho do produto:

CT450 e CT452 (Versão 5 V) e CT453 (Versão 3.3 V)

Sensor de Corrente Isolado Sem Contato

Medição de correntes de 5 mA a >2.000 A

Total de erro da saída ±0,7% Completa e

Tempo de resposta de 300 ns, largura de banda de 1 MHz

Disponível em seis diferentes faixas de campo configuradas

Capacidade de proteção com Detecção de Excesso em Campo (OFD)

Rejeição de Campo de Modo Comum Integrado (CMFR) com > 90% de imunidade(CT452/3)

Detecção uniforme do campo magnético (CT450)
Foco em aplicações de direcionamento em Carregadores EV, Sistemas de Gerenciamento de Baterias (BMS), Conversores CC/CC, Sistema 48-V, Carregamento Bidirecional e Inversores CA/CC.

O CT450 está disponível em um pacote TSSOP-8. O CT452/3 está disponível no pacote TSSOP-16. Para mais informação, visite a página do produto em:

CT450 https://crocus-technology.com/products/ct450/

CT452 https://crocus-technology.com/products/ct452/

CT453 https://crocus-technology.com/products/ct453/

Sobre a Crocus Technology

A Crocus Technology desenvolve e fabrica sensores magnéticos de última geração com base na sua tecnologia patenteada de sensores XtremeSense® TMR. A tecnologia do sensor magnético disruptivo da Crocus viabiliza a mais alta sensibilidade, o menor consumo de energia e o menor tamanho em uma ampla faixa de temperatura. A sede da Crocus está localizada em Milpitas, Califórnia. Para mais informação, visite http://www.crocus-technology.com.

Para mais informações, contate:

Crocus Technology
Email: info@crocus-technology.com

Haaland set to bump into old Dortmund friends at Germany camp

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DPA

Germany’s Borussia Dortmund players are set for a quick reunion with Erling Haaland as the Norway star works out at their Nations League training base in Spain. Haaland, who is set to move to Manchester City from Dortmund in the close season, was spotted at the gym in the Marbella Football Center on Monday. Germany coach Hansi Flick is holding a training camp there this week with players arriving in Marbella from Monday. Manchester City midfielder Ilkay Gündogan has been given special dispensation to arrive late after Sunday’s Premier League title win. Germany and Haaland are keeping fit betwe… Continue reading “Haaland set to bump into old Dortmund friends at Germany camp”

LiteFinance launches new mobile app for Android

KINGSTOWN, St. Vincent & the Grenadines, May 23, 2022 /PRNewswire/ — LiteFinance informed their traders that their new Android trading app is ready, and you can download it on Google Play.

LiteFinance launches new mobile app for Android

They updated the app’s engine, so it is now faster and more productive than the previous versions. This mobile trading app will be as functional as the desktop version, providing you with technical indicators and graphical analysis tools.

You can currently download both the old and the new version of LiteFinance’s mobile app on Google Play, but we advise you to install the latest one and appreciate how fast it works!

LiteFinance App Features

  • More than 190 trading tools
  • Market and pending orders
  • One-click trading
  • Six types of chart and nine timeframes
  • Built-in indicators
  • Copy-trading with pro traders
  • Built-in traders’ chats and analytical channels

LiteFinance clients can use all the main functions of a fully-developed trading platform in all-in-one mobile app. Top up and manage your accounts and withdraw automatically up to $3,000 a day! Trade and copy professional traders’ positions in your account. If you have any questions, just get in touch with LiteFinance support team 24/7. Chat with traders and find the latest financial news in built-in analytical channels.

Download LiteFinance’s app for Android now and exploit all the advantages of mobile trading!

Photo – https://mma.prnewswire.com/media/1822504/LiteFinance_App.jpg

Artists Flock to Dakar for Biennale

One of the most prominent events in the world of contemporary African art is kicking off in the Senegalese capital after a four-year absence due to the COVID-19 pandemic. The 14th edition of the Dakar Biennale features the work of hundreds of artists from around the world, ranging from immersive installations to costumed performances.

About 100 spectators gathered on Dakar’s ocean walkway as dancers outfitted in traditional West African costumes gyrated to the sound of djembes. One dancer, dressed as a broomstick, twirled about, while another, donning a mythical lion costume, approached those filming on cellphones to offer a roar. Behind them, a young woman covered in mud held still as an artist covers her in powdered pigments.

The event is one of hundreds set to take place in Dakar over the next month.

The official 2022 biennale selection includes 59 artists from some 30 countries, but hundreds of other spaces, both in Dakar and throughout Senegal, are showcasing art. Even restaurants and hotels have converted their walls into miniature museums.

“The Dakar biennale is unique because it brings together the great majority of audio-visual creators from around the African continent and its diaspora,” said Khalifa Dieng, a scenographer for the National Gallery exhibit. The gallery is hosting works by Senegalese painter El Hadji Sy for the event.

Nigerian painter Tyna Adebowale traveled from her home base in the Netherlands to show her work. She completed an artist residency in Dakar and said she was inspired by the sense of community she found.

“I love the creative vibe of Senegal as a whole,” Adebowale said. “There’s no ego, it’s towards one goal, which is art and culture for the sake of the whole country, the community, the people. I love the collective support that I see. It’s a very beautiful spirit, very vibrant. I really admire it.”

The energy at the festival is perhaps more amplified this year as the 2020 event was postponed due to COVID19, making this the first biennale in four years.

This year’s theme is “Ndaffa,” which means to forge out of the fire in Serer, one of the languages spoken in Senegal.

It refers both to the need to recalibrate as we emerge from the pandemic into a new world, as well as to the history of African creation and its influence on contemporary African art.

Lou Mo is one of four official international curators. Her exhibit, “Havana: Forge of the South,” seeks to link Havana with Dakar via shared themes of migration, race and creolization. Dakar, she said, has become one of Africa’s leading art hubs.

“Both with the biennale that’s now 32 years old, to different institutions, different artists,” she said. “And I think there’s definitely an international trend of raising the importance of African art. So, I think there’s many possibilities for Dakar in the future.”

The event will continue through June 21.

Source: Voice of America

Eritrea adapts the WHO 3rd Edition Integrated Disease Surveillance and Response (IDSR) Technical Guidelines and Training Modules

The unprecedented Ebola Virus Disease (EVD) outbreak of 2014 in West Africa and other recent health emergencies revealed that the IDSR and IHR (2005) had not been fully implemented in many Member States. This necessitated the review of the 2nd edition and development of 3rd Edition IDSR technical guidelines. Consequently, member states were expected to adapt the 3rd Edition IDSR technical guidelines to their country contexts.

On Friday 20th May 2022, Eritrea Ministry of Health finalized the adaptation of the World Health Organization (WHO) 3rd Edition IDSR Technical Guidelines (TGs) and Training Modules. The Ministry of Health (MOH) authorities with support from WHO convened two back-to-back meetings:

From 9th to 13th May, a workshop comprising of twenty (20) multi-disciplinary expert stakeholders from the national and subnational levels to review and adapt the WHO technical guidelines and training modules to Eritrean context. This workshop allowed participants to contextualize important elements in the third edition IDSR technical guidelines to the Eritrean situation while leveraging their experiences and lessons learned during implementation of the second edition IDSR TGs and COVID-19 pandemic to enhance IDSR systems responsiveness in Eritrea.

From 18th to 20th May 2022, a core team of five (5) reviewed all the inputs and recommendations provided by the team and finalized the 3rd Edition IDSR technical guidelines and training modules.

Eritrea is now poised to join the growing list of countries in the African Region that have successfully adapted the IDSR technical guidelines. The revised technical guideline will serve as a working reference document for the Eritrean health workforce at all levels of the health system and will facilitate early detection, notification, and timely response to public health events. The training modules which comprise of facilitators manual, participants manual and training slides will be utilized to build capacity of health care workers at all levels of the health system.

The IDSR technical guidelines clearly describe the roles of the different actors at all levels with regards to the surveillance functions which includes detection of priority diseases and conditions, reporting, data analysis, investigation of suspected outbreaks, preparing to respond, responding, monitoring, evaluation, and supportive supervision. The guidelines also recommend thresholds for action for identifying and responding to the threats.

A successful adaptation of the 3rd Edition IDSR technical guidelines is a key milestone towards strengthening IDSR implementation in Eritrea. Furthermore, in partnership with WHO, a follow up training of trainers (TOT) is planned as part of systemwide capacity development including specific job aids for surveillance actors and regular conduct of monitoring and evaluation.

Source: World Health Organization

Museveni Blames Foreign Powers for High Cost of Living

For the past six months Ugandans have been forced to spend twice as much to afford necessities like fuel and food, among other commodities. Addressing the country Sunday night on how to survive the high cost of living, President Yoweri Museveni noted that Europeans have caused what he called an artificial problem leading to the higher cost of produce.

To this regard, Museveni said it was time to stop depending on who he called “mistake makers” in Europe, the United States and Russia — who have caused the high prices.

“The Russians have blockaded the Ukrainian ports,” Museveni said. “And I hear within the ports there are 25 million tons of wheat, the petroleum, and even the fertilizers. Remember, the fertilizers are also a problem because they are produced by Russia, I hear. If these people, if they are a bit humble. … We need to advise our friends, the bazungu (whites) to please, find other ways of how to solve these problems.”

Museveni argues that cutting taxes on commodities such as fuel, which has a ripple effect on the economy, will only cripple the economy.

Ziana Aigaru, an agriculturalist, disagrees. She said for nearly two years now, sales have been so low and have been impacted by the COVID-19 pandemic. She hopes Museveni will announce a tax cut to help businesses.

“Not only fertilizers by the way, even the herbicides — all have hiked in terms of prices,” Aigaru said. “For example, Bukoola (local agricultural produce manufacturer) is hiking the prices because of the tax that he incurs in importing the chemicals. So, if the taxes are reduced, that means the cost price will reduce.”

As a solution, Museveni asked Ugandans to be frugal in their purchases of imported goods, stop depending on “rainfall agriculture,” increase production and use locally made materials.

However, economist Madina Guloba said the president needs to show by example his own frugality through government expenditures that are not proportionate to government income.

“These industries need produce to continue functioning, especially agro-processing industries,” Guloba said. “So, the moment we increase production but for home, it doesn’t help. Then definitely commodity prices will also still stay high even if global patterns improve. You know, we need to think also (about) jobs. The moment you do all these things, the jobs are going to be lost. So, who are you going to tax in this time?”

Currently, fuel is selling at $1.56 per liter, and the cost is expected to increase.

Museveni said Ugandans will need to be patient until Uganda starts its own oil production in 2025 for prices to go down, which may also decrease the cost of living.

Source: Voice of America