{"id":233096,"date":"2015-05-12T22:00:00","date_gmt":"2015-05-12T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/octuple-commutateur-rapide-a-sorties-numeriques\/"},"modified":"2015-05-12T22:00:00","modified_gmt":"2015-05-12T22:00:00","slug":"octuple-commutateur-rapide-a-sorties-numeriques","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/octuple-commutateur-rapide-a-sorties-numeriques\/","title":{"rendered":"Octuple commutateur rapide \u00e0 sorties num\u00e9riques"},"content":{"rendered":"<p>Ce circuit int&eacute;gr&eacute; &agrave; huit canaux augmente la vitesse d&rsquo;un facteur jusqu&rsquo;&agrave; 70x, r&eacute;duit la consommation de plus de 20% et occupe 40% de place en moins que les solutions existantes, des qualit&eacute;s indispensables &agrave; tous les produits actuels qui doivent &ecirc;tre plus rapides, plus distribu&eacute;s, et moins encombrants. Il est contr&ocirc;l&eacute; par une interface parall&egrave;le 8 bits ou par l&rsquo;interm&eacute;diaire d&rsquo;une interface SPI &eacute;galement utilis&eacute;e pour la configuration et la supervision.<br \/>\nPlusieurs dispositifs peuvent &ecirc;tre encha&icirc;n&eacute;s pour supporter davantage d&rsquo;E\/S, par l&rsquo;interm&eacute;diaire de l&rsquo;interface SPI, qui ne n&eacute;cessite que trois isolateurs pour tous les canaux, ce qui am&eacute;liore encore le co&ucirc;t, la place occup&eacute;e sur la carte, et la consommation. Le mode s&eacute;rie int&egrave;gre un contr&ocirc;le de redondance cyclique CRC pour garantir l&rsquo;int&eacute;grit&eacute; des donn&eacute;es, ainsi que des fonctions de diagnostic global et individuel par canal, pour la supervision &agrave; distance. Les utilisateurs peuvent acc&eacute;der aux E\/S &agrave; travers un port parall&egrave;le 8 bits.<br \/>\nLes huit canaux num&eacute;riques de ce circuit ne n&eacute;cessitent que 3 mA maximum de courant d&rsquo;alimentation. Il fonctionne &agrave; partir d&rsquo;un large &eacute;ventail de tensions d&rsquo;alimentation allant de 10 V &agrave; 36 V et donc, notamment, avec le rail 24 V pr&eacute;sent dans de nombreuses usines.<br \/>\nAvec un d&eacute;lai de propagation de 0,3 &micro;s typique &agrave; 0,8&micro;s maximum de l&rsquo;entr&eacute;e &agrave; la sortie, ce dispositif supporte des fr&eacute;quences de commutation rapides, allant jusqu&rsquo;&agrave; 100 kHz en configuration &quot;push-pull&quot;. La r&eacute;sistance &agrave; l&rsquo;&eacute;tat passant, facteur critique pour la dissipation statique, est de seulement 85 mOhms typique, pour un maximum de 165 mOhms. Ce commutateur peut piloter des charges jusqu&rsquo;&agrave; 850 mA et les sorties peuvent &ecirc;tre utilis&eacute;es en parall&egrave;le pour des charges n&eacute;cessitant des courants de pilotage plus importants.\n<\/p>\n<hr \/>\n<p>&quot;Nos processus haute tension propri&eacute;taires et notre expertise de conception nous ont permis de d&eacute;velopper ce commutateur,&quot; d&eacute;clare Tony Partow, Directeur de Division Ex&eacute;cutif chez Maxim Integrated. &quot;L&rsquo;interface processeur offre des fonctions critiques pour les utilisateurs, comme le diagnostic par canal ou global, ainsi qu&rsquo;une v&eacute;rification CRC pour l&rsquo;int&eacute;grit&eacute; des donn&eacute;es.&quot;<br \/>\n&quot;Ce produit est un excellent choix pour les PLC (automates programmables), les syst&egrave;mes CVC (Chauffage Ventilation Climatisation) dans le b&acirc;timent, ou les applications industrielles rapides,&quot; affirme Susie Inouye, Directeur de recherche chez Databeans. &quot;Il offre des performances de pointe dans un bo&icirc;tier minuscule, tout en r&eacute;duisant la consommation et en assurant l&rsquo;int&eacute;grit&eacute; des donn&eacute;es.&quot;<\/p>\n<p>Log&eacute; dans un bo&icirc;tier QFN 48 broches de seulement 7 x 7 mm, ce commutateur est sp&eacute;cifi&eacute; sur la gamme de temp&eacute;ratures allant de -40 &deg;C &agrave; +125 &deg;C. Il est accompagn&eacute; par le mod&egrave;le de r&eacute;f&eacute;rence complet MAXREFDES63# et un kit d&rsquo;&eacute;valuation avec fonctions sp&eacute;ciales de prototypage. Au format carte de cr&eacute;dit, ce mod&egrave;le de r&eacute;f&eacute;rence int&egrave;gre le commutateur, un microcontr&ocirc;leur, un port E\/S isol&eacute;, des alimentations, une UART et un port USB pour simplifier l&rsquo;int&eacute;gration du dispositif dans la conception du projet OEM final, tout en permettant une &eacute;valuation rapide.\n<\/p>\n<p><a title=\"www.maximintegrated.com\" href=\"http:\/\/www.maximintegrated.com\/\" target=\"_blank\" rel=\"noopener\">www.maximintegrated.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les PLC, les syst\u00e8mes CVC du b\u00e2timent et les \u00e9quipements industriels automatis\u00e9s, le commutateur \u00e0 huit sorties num\u00e9riques MAX14900E de Maxim Integrated Products, r\u00e9pond aux besoins de d\u00e9bit sup\u00e9rieur, d&rsquo;encombrement r\u00e9duit et de faible consommation. De plus, il int\u00e8gre un syst\u00e8me de contr\u00f4le d\u2019int\u00e9grit\u00e9 des donn\u00e9es et des fonctions de diagnostic.<\/p>\n","protected":false},"author":22,"featured_media":233097,"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-233096","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Octuple commutateur rapide \u00e0 sorties num\u00e9riques ...<\/title>\n<meta name=\"description\" content=\"Pour les PLC, les syst\u00e8mes CVC du b\u00e2timent et les \u00e9quipements industriels automatis\u00e9s, le commutateur \u00e0 huit sorties num\u00e9riques MAX14900E de Maxim...\" \/>\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\/233096\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Octuple commutateur rapide \u00e0 sorties num\u00e9riques\" \/>\n<meta property=\"og:description\" content=\"Pour les PLC, les syst\u00e8mes CVC du b\u00e2timent et les \u00e9quipements industriels automatis\u00e9s, le commutateur \u00e0 huit sorties num\u00e9riques MAX14900E de Maxim Integrated Products, r\u00e9pond aux besoins de d\u00e9bit sup\u00e9rieur, d&#039;encombrement r\u00e9duit et de faible consommation. 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