{"id":120112,"date":"2018-05-30T16:00:44","date_gmt":"2018-05-30T16:00:44","guid":{"rendered":"https:\/\/\/controleur-de-moteur-de-ventilateur-triphase-sans-balais\/"},"modified":"2018-05-30T16:00:44","modified_gmt":"2018-05-30T16:00:44","slug":"controleur-de-moteur-de-ventilateur-triphase-sans-balais","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-de-moteur-de-ventilateur-triphase-sans-balais\/","title":{"rendered":"Contr\u00f4leur de moteur de ventilateur triphas\u00e9 sans balais"},"content":{"rendered":"<p>Jusqu&rsquo;\u00e0 maintenant, ceci n\u00e9cessitait un microprocesseur, mais le circuit de commande de moteur triphas\u00e9 sans balais TC78B025FTG &nbsp;propos\u00e9 par Toshiba permet la mise en \u0153uvre d\u2019un contr\u00f4le de vitesse de rotation tr\u00e8s souple, sans microprocesseur externe, gr\u00e2ce \u00e0 l\u2019int\u00e9gration d\u2019une m\u00e9moire non-volatile. Cela permet une configuration facile du syst\u00e8me, tout en supportant des vitesses de rotation allant de quelques centaines \u00e0 plusieurs dizaines de milliers de tours par minute notamment gr\u00e2ce \u00e0 la technologie InPAC \u00e0 commande de phase intelligente, qui permet une commande \u00e0 haut rendement, sur une large plage de vitesse de rotation, et sans n\u00e9cessiter de r\u00e9glage.&nbsp;<\/p>\n<p>Le circuit fonctionne \u00e0 partir d&rsquo;une alimentation 4,5V \u00e0 16V, et fournit un signal de pilotage sinuso\u00efdal avec commutation \u00e0 150 degr\u00e9s. La faible r\u00e9sistance \u00e0 l&rsquo;\u00e9tat passant de 0,2 ohm r\u00e9duit l&rsquo;\u00e9chauffement du CI en fonctionnement, ce qui lui permet de g\u00e9rer des courants de pilotage importants. La vitesse est contr\u00f4l\u00e9e par un simple signal PWM ou une entr\u00e9e \u00e0 tension analogique. Plusieurs protections sont int\u00e9gr\u00e9es, notamment une coupure thermique, une protection contre les surintensit\u00e9s et une d\u00e9tection de blocage du moteur. Le dispositif est log\u00e9 dans un bo\u00eetier VQFN24 de seulement 4&nbsp;x&nbsp;4&nbsp;x&nbsp;0,9&nbsp;mm.<\/p>\n<p><a href=\"http:\/\/tracking.pr.publitek.com\/tracking\/click?d=1sycYhShZM3AbTM8deGYY7UfNY52N5xER-fhow6v-_MHDMRC3MCHVFjoGAgQKDkCiDHRZQpPqZO4MnJ35kLspo0A4vMM_jflXX9FdlRq_KuYL64UhgQ8AFWAkPAivJPu7w2%20\\t%20_blank\">www.toshiba.semicon-storage.com<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les ventilateurs de refroidissement servant dans les serveurs et autres doivent \u00eatre de petite taille et tourner \u00e0 des vitesses \u00e9lev\u00e9es et tr\u00e8s stables. La meilleure mani\u00e8re d&rsquo;obtenir une vitesse de rotation stable est d&rsquo;utiliser un contr\u00f4le de vitesse en boucle ferm\u00e9e afin d\u2019\u00e9viter les fluctuations de vitesse dues aux variations de tension d&rsquo;alimentation ou de charge. <\/p>\n","protected":false},"author":9,"featured_media":120113,"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-120112","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur de moteur de ventilateur triphas\u00e9 sans balais ...<\/title>\n<meta name=\"description\" content=\"Les ventilateurs de refroidissement servant dans les serveurs et autres doivent \u00eatre de petite taille et tourner \u00e0 des vitesses \u00e9lev\u00e9es et tr\u00e8s stables....\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/120112\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur de moteur de ventilateur triphas\u00e9 sans balais\" \/>\n<meta property=\"og:description\" content=\"Les ventilateurs de refroidissement servant dans les serveurs et autres doivent \u00eatre de petite taille et tourner \u00e0 des vitesses \u00e9lev\u00e9es et tr\u00e8s stables. La meilleure mani\u00e8re d&#039;obtenir une vitesse de rotation stable est d&#039;utiliser un contr\u00f4le de vitesse en boucle ferm\u00e9e afin d\u2019\u00e9viter les fluctuations de vitesse dues aux variations de tension d&#039;alimentation ou de charge.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/120112\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-05-30T16:00:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6377_toshiba.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"731\" \/>\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 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