{"id":192150,"date":"2016-11-14T14:00:00","date_gmt":"2016-11-14T14:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/commutateur-octuple-et-driver-high-side-a-brides-de-demagnetisation-securisees\/"},"modified":"2016-11-14T14:00:00","modified_gmt":"2016-11-14T14:00:00","slug":"commutateur-octuple-et-driver-high-side-a-brides-de-demagnetisation-securisees","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/commutateur-octuple-et-driver-high-side-a-brides-de-demagnetisation-securisees\/","title":{"rendered":"Commutateur octuple et driver high-side \u00e0 brides de d\u00e9magn\u00e9tisation s\u00e9curis\u00e9es"},"content":{"rendered":"<p>Dans la plupart des applications industrielles, les concepteurs ont besoin d&rsquo;un commutateur high-side pour commander des charges inductives. Toute la difficult\u00e9 est de d\u00e9charger l&rsquo;\u00e9nergie stock\u00e9e dans l&rsquo;inducteur au moment o\u00f9 le commutateur s&rsquo;ouvre et o\u00f9 le courant arr\u00eate de passer. Si l&rsquo;inductance, et donc l&rsquo;\u00e9nergie stock\u00e9e, est \u00e9lev\u00e9e, un CI driver risque d&rsquo;\u00eatre endommag\u00e9 d\u00e9finitivement par la chaleur produite.<\/p>\n<p>A l&rsquo;aide de sa fonction de d\u00e9magn\u00e9tisation s\u00e9curis\u00e9e, ce commutateur peut d\u00e9charger et d\u00e9magn\u00e9tiser n&rsquo;importe quelle charge inductive en toute s\u00e9curit\u00e9 avec ses brides int\u00e9gr\u00e9es. Ainsi, des charges 24 V (nominal) jusqu&rsquo;\u00e0 0,5 A sont g\u00e9r\u00e9es avec un retard minimum.<br \/>\nPour une solution plus robuste, ce composant assure le diagnostic des lignes de charge en circuit ouvert ou en court-circuit qui correspondent aux pannes externes les plus courantes. Chaque sortie est \u00e9galement prot\u00e9g\u00e9e contre les pics de tension jusqu&rsquo;\u00e0 1 kV. Son d\u00e9lai de propagation, parmi les meilleurs de sa cat\u00e9gorie, permet une vitesse et un d\u00e9bit syst\u00e8me plus \u00e9lev\u00e9s. En effet, sa commutation ultra-rapide jusqu&rsquo;\u00e0 200 kHz am\u00e9liore la vitesse du syst\u00e8me d&rsquo;un facteur de plus de 15.<\/p>\n<p>Compar\u00e9 \u00e0 son pr\u00e9d\u00e9cesseur, ce circuit ultra compact permet de gagner une place importante en \u00e9liminant 16 diodes pr\u00e9sentes auparavant. En outre, il dispose de huit commutateurs high-side 640 mA que l&rsquo;on peut aussi configurer en drivers push-pull pour commutation rapide.<\/p>\n<p>Les applications vis\u00e9es sont notamment les PLC, les contr\u00f4les d&rsquo;axes, les variateurs, et autres applications d&rsquo;automatisation industrielle.<\/p>\n<hr \/>\n<p>\u00ab\u00a0Le MAX14913 est le premier et le seul commutateur octuple high-side du march\u00e9 \u00e0 brides de d\u00e9magn\u00e9tisation rapide s\u00e9curis\u00e9es et int\u00e9gr\u00e9es, capables de d\u00e9charger et de d\u00e9magn\u00e9tiser n&rsquo;importe quelle charge inductive,\u00a0\u00bb d\u00e9clare Tony Partow, Directeur Ex\u00e9cutif de la division Industrie et Sant\u00e9 de Maxim.<\/p>\n<p>Propos\u00e9 en bo\u00eetier QFN 56 broches de seulement 8 x 8 x 0,8 mm, ce composant est sp\u00e9cifi\u00e9 sur la gamme de temp\u00e9rature de -40 \u00b0C \u00e0 +125 \u00b0C. Il est accompagn\u00e9 du kit d&rsquo;\u00e9valuation MAX14913EVKIT pour faciliter les d\u00e9veloppements.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les concepteurs de contr\u00f4leurs industriels peuvent piloter et d\u00e9magn\u00e9tiser sans risque n&rsquo;importe quelle charge inductive pour applications Industrie 4.0 gr\u00e2ce \u00e0 l&rsquo;octuple commutateur et driver high-side MAX14913 de Maxim Integrated Products, Avec une bride de d\u00e9magn\u00e9tisation unique, innovante et s\u00fbre sur chaque sortie, il permet d&rsquo;interfacer facilement et de mani\u00e8re fiable des signaux num\u00e9riques basse-tension \u00e0 des lignes de commandes de sorties 24 V.<\/p>\n","protected":false},"author":9,"featured_media":192151,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[890],"domains":[47],"ppma_author":[1141],"class_list":["post-192150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Commutateur octuple et driver high-side \u00e0 brides de d\u00e9magn\u00e9t...<\/title>\n<meta name=\"description\" content=\"Les concepteurs de contr\u00f4leurs industriels peuvent piloter et d\u00e9magn\u00e9tiser sans risque n&#039;importe quelle charge inductive pour applications Industrie 4.0...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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