{"id":137626,"date":"2017-11-27T23:31:44","date_gmt":"2017-11-27T23:31:44","guid":{"rendered":"https:\/\/\/drivers-de-moteurs-triphases-sans-balais-permettant-aux-petits-moteurs-de-tourner-tres-vite\/"},"modified":"2017-11-27T23:31:44","modified_gmt":"2017-11-27T23:31:44","slug":"drivers-de-moteurs-triphases-sans-balais-permettant-aux-petits-moteurs-de-tourner-tres-vite","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/drivers-de-moteurs-triphases-sans-balais-permettant-aux-petits-moteurs-de-tourner-tres-vite\/","title":{"rendered":"Drivers de moteurs triphas\u00e9s sans balais permettant aux petits moteurs de tourner tr\u00e8s vite"},"content":{"rendered":"<p>Id\u00e9alement, les ventilateurs de refroidissement, comme ceux que l&rsquo;on trouve dans les serveurs, combinent une taille minimale et une vitesse de rotation \u00e9lev\u00e9e, ce qui garantit une capacit\u00e9 de refroidissement maximale. Les nouveaux circuits drivers Toshiba sont int\u00e9gr\u00e9s dans de petits bo\u00eetiers WQFN&nbsp;36 (5&nbsp;x&nbsp;5&nbsp;x&nbsp;0,8&nbsp;mm) que l\u2019on peut monter sur las circuits imprim\u00e9s de petite taille pr\u00e9sents dans les petits moteurs.<\/p>\n<p>Ces nouveaux CI r\u00e9duisent aussi le nombre de composants externes, en int\u00e9grant un variateur mono-capteur et un syst\u00e8me de d\u00e9tection de courant sans r\u00e9sistance. Le pilotage mono-capteur r\u00e9duit de 3 \u00e0 1 le nombre de capteurs \u00e0 effet Hall et garantit un fonctionnement du moteur plus fiable qu&rsquo;avec un variateur \u00e9quivalent sans capteur. Le syst\u00e8me de d\u00e9tection de courant sans r\u00e9sistance, permet de r\u00e9duire la puissance nominale de l&rsquo;alimentation, et d\u2019\u00e9liminer les r\u00e9sistances de forte valeur jusqu\u2019ici indispensables. Toutes ces innovations contribuent \u00e0 r\u00e9duire la place n\u00e9cessaire sur les cartes.<\/p>\n<p>La rotation rapide est obtenue avec un syst\u00e8me de commutation \u00e0 150 degr\u00e9s. Cette rotation est plus rapide et plus stable qu&rsquo;avec un syst\u00e8me de commutation sinuso\u00efdal, et les vibrations sont plus faibles qu\u2019avec un syst\u00e8me de commutation conventionnel \u00e0 120 degr\u00e9s. L&rsquo;adoption d&rsquo;une faible r\u00e9sistance \u00e0 l&rsquo;\u00e9tat passant (haut + bas&nbsp;: 0.24\u03a9 (typique)) r\u00e9duit l\u2019\u00e9chauffement d\u00fb \u00e0 l&rsquo;augmentation du courant moteur typique des variateurs haute fr\u00e9quence).<\/p>\n<p>Le TC78B015FTG fonctionne avec une alimentation de 6V \u00e0 22V, et le TC78B015AFTG avec une alimentation de 6V \u00e0 30V. Les deux dispositifs supportent des courants de sortie jusqu&rsquo;\u00e0 3A, et prennent en charge les dispositifs \u00e0 effet Hall, tout en offrant une gamme de fonctions de protection, comme la coupure thermique, la d\u00e9tection de surintensit\u00e9 ou la d\u00e9tection de blocage moteur.<\/p>\n<p><a href=\"http:\/\/tracking.pr.publitek.com\/tracking\/click?msgid=S3GG48uOunGvGGBV9T0q5A2&amp;target=http%253a%252f%252fwww.toshiba.semicon-storage.com&amp;v=vB5RIWeZvKvHfU0Nl5oIng2&amp;lc=931110764599820394\">www.toshiba.semicon-storage.com<\/a>.&nbsp; &nbsp;&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Toshiba Electronics Europe a annonc\u00e9 deux nouveaux drivers de moteurs triphas\u00e9s sans balais. Le TC78B015FTG est destin\u00e9 aux applications 12V, tandis que le TC78B015AFTG est r\u00e9serv\u00e9 aux applications 24V. Ces nouveaux CI supportent la rotation rapide des petits moteurs de ventilateur, et sont parfaitement adapt\u00e9s aux appareils \u00e9lectrom\u00e9nagers et aux \u00e9quipements industriels.\u00a0<\/p>\n","protected":false},"author":9,"featured_media":137627,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-137626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Drivers de moteurs triphas\u00e9s sans balais permettant aux petits...<\/title>\n<meta name=\"description\" content=\"Toshiba Electronics Europe a annonc\u00e9 deux nouveaux drivers de moteurs triphas\u00e9s sans balais. 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Ces nouveaux CI supportent la rotation rapide des petits moteurs de ventilateur, et sont parfaitement adapt\u00e9s aux appareils \u00e9lectrom\u00e9nagers et aux \u00e9quipements industriels.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/137626\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2017-11-27T23:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6028_toshiba.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1366\" \/>\n\t<meta property=\"og:image:height\" content=\"976\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta 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