{"id":221975,"date":"2011-07-04T22:00:00","date_gmt":"2011-07-04T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-numerique-pol-12a-haut-rendement\/"},"modified":"2011-07-04T22:00:00","modified_gmt":"2011-07-04T22:00:00","slug":"regulateur-numerique-pol-12a-haut-rendement","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-numerique-pol-12a-haut-rendement\/","title":{"rendered":"R\u00e9gulateur num\u00e9rique POL 12A haut rendement"},"content":{"rendered":"<p>De petite taille, le BMR462 mesure 21 x 12,7 x 8,2&nbsp;mm (0,827 x 0,5 x 0,323&nbsp;pouce), et peut s&rsquo;int&eacute;grer dans les syst&egrave;mes compacts de 15&nbsp;mm d&rsquo;espacement entre cartes. Il accepte une plage de tension d&rsquo;entr&eacute;e de 4,5&nbsp;&agrave; 14&nbsp;V et une plage de tension de sortie de 0,6 &agrave; 5&nbsp;V. A demi-charge, pour 5&nbsp;V d&rsquo;entr&eacute;e et 3,3&nbsp;V&nbsp;de sortie, son rendement typique est de 97,1%. Une fonction de synchronisation permet de verrouiller plusieurs r&eacute;gulateurs BMR462 sur une fr&eacute;quence commune. Cela &eacute;limine les fr&eacute;quences de battement pouvant &ecirc;tre r&eacute;fl&eacute;chies vers l&rsquo;entr&eacute;e, r&eacute;duit les contraintes de filtrage EMI et minimise le nombre de composants externes. Les sp&eacute;cifications de capacit&eacute; d&rsquo;entr&eacute;e, et donc les pertes, sont r&eacute;duites par &eacute;talement du courant cr&ecirc;te tir&eacute; de l&rsquo;alimentation d&rsquo;entr&eacute;e sur tout le cycle de commutation. Un rail de partage de courant se configure de mani&egrave;re &agrave; utiliser 100% de la sortie de chaque dispositif. A l&rsquo;aide d&rsquo;une commande PMBus, il est possible de d&eacute;sactiver automatiquement une ou plusieurs phases durant les p&eacute;riodes de faible charge, pour &eacute;liminer le courant tir&eacute; et les pertes de commutation li&eacute;es &agrave; ces phases. Une &eacute;mulation adaptative de diode arr&ecirc;te la commande de grille du MOSFET c&ocirc;t&eacute; bas dans le circuit de rectification synchrone en cas de faible courant de charge. Cela augmente encore l&rsquo;efficacit&eacute; &eacute;nerg&eacute;tique en &eacute;liminant les pertes qui se produiraient si le courant de l&rsquo;inductance devenait n&eacute;gatif.<br \/>\nLe BMR462 dispose de signalisations pour le t&eacute;l&eacute;contr&ocirc;le, le partage de courant, le suivi de tension, le r&eacute;glage des marges de tension et la t&eacute;l&eacute;mesure. La tension est r&eacute;gl&eacute;e en posant un strap sur une broche ou via le PMBus, et un ensemble tr&egrave;s complet de fonctions de protection est int&eacute;gr&eacute; au module.<\/p>\n<p><a href=\"http:\/\/www.ericsson.com\/powermodules\">www.ericsson.com\/powermodules<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le BMR462 S\u00e9rie 3E d&rsquo;Ericsson Power Modules est le troisi\u00e8me membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde g\u00e9n\u00e9ration de la soci\u00e9t\u00e9. Comme les autres produits de la s\u00e9rie 3E, le BMR462 offre un vaste choix de fonctions de contr\u00f4le et de surveillance. Les concepteurs peuvent configurer leurs alimentations de mani\u00e8re \u00e0 minimiser dynamiquement la consommation \u00e9nerg\u00e9tique sous toutes les conditions de charge. La configuration est tr\u00e8s simple gr\u00e2ce \u00e0 l&rsquo;interface utilisateur graphique pour PMBus d&rsquo;Ericsson.<\/p>\n","protected":false},"author":22,"featured_media":221976,"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-221975","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur num\u00e9rique POL 12A haut rendement ...<\/title>\n<meta name=\"description\" content=\"Le BMR462 S\u00e9rie 3E d&#039;Ericsson Power Modules est le troisi\u00e8me membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde...\" \/>\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\/221975\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur num\u00e9rique POL 12A haut rendement\" \/>\n<meta property=\"og:description\" content=\"Le BMR462 S\u00e9rie 3E d&#039;Ericsson Power Modules est le troisi\u00e8me membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde g\u00e9n\u00e9ration de la soci\u00e9t\u00e9. Comme les autres produits de la s\u00e9rie 3E, le BMR462 offre un vaste choix de fonctions de contr\u00f4le et de surveillance. Les concepteurs peuvent configurer leurs alimentations de mani\u00e8re \u00e0 minimiser dynamiquement la consommation \u00e9nerg\u00e9tique sous toutes les conditions de charge. 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