{"id":232052,"date":"2015-01-26T23:00:00","date_gmt":"2015-01-26T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/driver-de-ventilateur-a-faible-bruit-et-limiteur-de-courant\/"},"modified":"2015-01-26T23:00:00","modified_gmt":"2015-01-26T23:00:00","slug":"driver-de-ventilateur-a-faible-bruit-et-limiteur-de-courant","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-de-ventilateur-a-faible-bruit-et-limiteur-de-courant\/","title":{"rendered":"Driver de ventilateur \u00e0 faible bruit et limiteur de courant"},"content":{"rendered":"<p>En plus du r&eacute;glage de vitesse minimum d&eacute;j&agrave; int&eacute;gr&eacute; au pr&eacute;c&eacute;dent mod&egrave;le, la courbe de vitesse de ce driver peut &eacute;galement &ecirc;tre ajust&eacute;e &agrave; l&rsquo;aide d&rsquo;une unique r&eacute;sistance additionnelle. Les m&eacute;canismes de commutation et de d&eacute;marrage progressif ont encore &eacute;t&eacute; am&eacute;lior&eacute;s pour produire des niveaux de bruit acoustique extr&ecirc;mement faibles et des vibrations minimes aux vitesses &eacute;lev&eacute;es, sans pour autant sacrifier le couple maximum. La faible r&eacute;sistance &agrave; l&rsquo;&eacute;tat passant RDSon associ&eacute;e &agrave; un limiteur de courant int&eacute;gr&eacute; permet d&rsquo;utiliser ce circuit avec des ventilateurs pr&eacute;sentant des r&eacute;sistances d&rsquo;enroulement inf&eacute;rieures &agrave; 10 Ohm. L&rsquo;immunit&eacute; aux d&eacute;charges &eacute;lectrostatiques (ESD) a encore &eacute;t&eacute; am&eacute;lior&eacute;e pour atteindre 9 kV HBM.<br \/>\nCe composant est encapsul&eacute; en bo&icirc;tier SO8 classique. Une version en bo&icirc;tier DFN10 de 3 x 3 mm &agrave; contacts expos&eacute;s, est &eacute;galement propos&eacute; pour les ventilateurs tr&egrave;s petits ou avec des courants moteur jusqu&rsquo;&agrave; 600 mA.\n<\/p>\n<hr \/>\n<p>&quot;Notre MLX90287 tout-en-un en bo&icirc;tier SO8 classique a re&ccedil;u un tr&egrave;s bon accueil du march&eacute;. Il r&eacute;duit les co&ucirc;ts de nomenclature et facilite grandement la conception de la carte en r&eacute;duisant le nombre de composants discrets impliqu&eacute;s. Auparavant, jusqu&rsquo;&agrave; 22 r&eacute;sistances et transistors pouvaient &ecirc;tre n&eacute;cessaires, avec un driver de ventilateur TSSOP16 &agrave; capteur &agrave; effet Hall externe. D&eacute;sormais, seules deux r&eacute;sistances et un condensateur de d&eacute;couplage, sont n&eacute;cessaires avec ce driver de ventilateur en bo&icirc;tier SO8,&quot; explique Dirk Leman, Responsable Produits drivers de ventilateur, chez Melexis. &quot;Le MLX90297 est une &eacute;volution naturelle, inspir&eacute;s par le retour de nos clients. Il constitue une solution parfaitement optimis&eacute;e pour les applications exigeantes, comme le refroidissement VGA ou CPU, les produits blancs, ou m&ecirc;me les serveurs bas-de-gamme. &quot;Gr&acirc;ce &agrave; sa grande expertise dans la conception de capteurs &agrave; effet Hall et de CI de commande moteur, Melexis d&eacute;veloppe des drivers de ventilateur toujours plus performants et toujours moins co&ucirc;teux, ce qui est imp&eacute;ratif pour rester concurrentiel sur le march&eacute; des drivers de ventilateur.&quot;\n<\/p>\n<p><a target=\"_blank\" href=\"http:\/\/www.melexis.com\/\" title=\"www.melexis.com\" rel=\"noopener\">www.melexis.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Destin\u00e9 au d\u00e9veloppement de syst\u00e8mes de refroidissement \u00e0 haut rendement \u00e9nerg\u00e9tique, le driver de ventilateur simple enroulement 600 mA \u00ab\u00a0tout en un\u00a0\u00bb MLX90297 vient compl\u00e9ter l\u2019offre de Melexis. Derni\u00e8re \u00e9volution du r\u00e9put\u00e9 MLX90287, il int\u00e8gre un capteur \u00e0 effet Hall ultra-sensible et deux \u00e9tages de sortie de type demi-pont.<\/p>\n","protected":false},"author":22,"featured_media":232053,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-232052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Driver de ventilateur \u00e0 faible bruit et limiteur de courant ...<\/title>\n<meta name=\"description\" content=\"Destin\u00e9 au d\u00e9veloppement de syst\u00e8mes de refroidissement \u00e0 haut rendement \u00e9nerg\u00e9tique, le driver de ventilateur simple enroulement 600 mA &quot;tout en un&quot;...\" \/>\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\/232052\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Driver de ventilateur \u00e0 faible bruit et limiteur de courant\" \/>\n<meta property=\"og:description\" content=\"Destin\u00e9 au d\u00e9veloppement de syst\u00e8mes de refroidissement \u00e0 haut rendement \u00e9nerg\u00e9tique, le driver de ventilateur simple enroulement 600 mA &quot;tout en un&quot; MLX90297 vient compl\u00e9ter l\u2019offre de Melexis. Derni\u00e8re \u00e9volution du r\u00e9put\u00e9 MLX90287, il int\u00e8gre un capteur \u00e0 effet Hall ultra-sensible et deux \u00e9tages de sortie de type demi-pont.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/232052\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-01-26T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/import\/eci7095_melexis_mlxpr41_lres_r.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"672\" \/>\n\t<meta property=\"og:image:height\" content=\"522\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews 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