{"id":221891,"date":"2011-06-22T22:00:00","date_gmt":"2011-06-22T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateurs-numeriques-pol-de-20-a-a-40-a\/"},"modified":"2011-06-22T22:00:00","modified_gmt":"2011-06-22T22:00:00","slug":"regulateurs-numeriques-pol-de-20-a-a-40-a","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/regulateurs-numeriques-pol-de-20-a-a-40-a\/","title":{"rendered":"R\u00e9gulateurs num\u00e9riques POL de 20 A \u00e0 40 A"},"content":{"rendered":"<p>Le BMR464 facilite la mise en parall&egrave;le et le partage de courant. Il est possible de mettre en parall&egrave;le jusqu&rsquo;&agrave; sept modules, pour atteindre un courant maximum de 280&nbsp;A. La facilit&eacute; de mise en parall&egrave;le du r&eacute;gulateur permet m&ecirc;me de le combiner avec son homologue BMR463 de 20&nbsp;A, pour une efficacit&eacute; de combinaison optimis&eacute;e depuis les valeurs de charge tr&egrave;s faibles jusqu&rsquo;&agrave; 60&nbsp;A. Les modules conviennent &agrave; un large &eacute;ventail d&rsquo;applications incluant les stations de base radio, l&rsquo;automatisation industrielle, le contr&ocirc;le de processus, les transports et les grands centres de donn&eacute;es. La configuration du syst&egrave;me d&rsquo;alimentation est tr&egrave;s simple gr&acirc;ce &agrave; l&rsquo;interface utilisateur graphique pour PMBus d&rsquo;Ericsson.<br \/>\nLe BMR464 est un petit r&eacute;gulateur de 30,85 x 20 x 8,2&nbsp;mm utilisable dans des syst&egrave;mes compacts de 15&nbsp;mm d&rsquo;espace entre cartes. Il accepte une plage de tensions d&rsquo;entr&eacute;e de 4,5&nbsp;&agrave; 14&nbsp;V et une plage de tension de sortie de 0,6 &agrave; 3,3&nbsp;V, avec un rendement typique de 97,2% (pour 5&nbsp;V d&rsquo;entr&eacute;e et 3,3&nbsp;V&nbsp;de sortie, &agrave; demi-charge). Une fonction de synchronisation permet de verrouiller plusieurs r&eacute;gulateurs sur une fr&eacute;quence commune de commutation afin d&rsquo;&eacute;liminer les fr&eacute;quences de battement pouvant &ecirc;tre r&eacute;fl&eacute;chies vers l&rsquo;entr&eacute;e. Le filtrage EMI s&rsquo;en trouve simplifi&eacute; et le nombre de composants externes n&eacute;cessaires est r&eacute;duit. L&rsquo;&eacute;talement des phases r&eacute;duit les exigences de capacit&eacute; en entr&eacute;e et donc les pertes, car le courant cr&ecirc;te tir&eacute; de l&rsquo;alimentation d&rsquo;entr&eacute;e est r&eacute;parti sur tout le cycle de commutation. Il est possible de configurer un rail de partage de courant pour utiliser 100% de la sortie de chaque dispositif et, durant les p&eacute;riodes de faible charge, de d&eacute;sactiver une ou plusieurs phases pour &eacute;liminer le drainage de courant et les pertes de commutation li&eacute;es &agrave; ces phases. Ce processus est automatiquement g&eacute;r&eacute; par une commande PMBus. L&rsquo;efficacit&eacute; &eacute;nerg&eacute;tique est encore augment&eacute;e par l&rsquo;&eacute;mulation de diode adaptative qui arr&ecirc;te la commande de grille du MOSFET c&ocirc;t&eacute; bas dans le circuit de rectification synchrone pour les faibles courants de charge. Cela emp&ecirc;che le courant de l&rsquo;inductance du circuit de devenir n&eacute;gatif, ce qui aurait occasionn&eacute; des pertes.<\/p>\n<p><a href=\"http:\/\/www.ericsson.com\/powermodules\">www.ericsson.com\/powermodules<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le BMR464 S\u00e9rie 3E d&rsquo;Ericsson Power Modules est un nouveau membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde g\u00e9n\u00e9ration de la soci\u00e9t\u00e9, dont l&rsquo;intensit\u00e9 maximum du courant d\u00e9livr\u00e9 passe \u00e0 40 A. Il permet aux architectes syst\u00e8me de surveiller \u00e9troitement et de contr\u00f4ler dynamiquement l&rsquo;\u00e9nergie d\u00e9livr\u00e9e aux processeurs, FPGA, ASIC et autres composants, afin d&rsquo;assurer une consommation \u00e9nerg\u00e9tique minimum dans toutes les conditions.<\/p>\n","protected":false},"author":22,"featured_media":221892,"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-221891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateurs num\u00e9riques POL de 20 A \u00e0 40 A ...<\/title>\n<meta name=\"description\" content=\"Le BMR464 S\u00e9rie 3E d&#039;Ericsson Power Modules est un nouveau membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde g\u00e9n\u00e9ration...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/221891\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateurs num\u00e9riques POL de 20 A \u00e0 40 A\" \/>\n<meta property=\"og:description\" content=\"Le BMR464 S\u00e9rie 3E d&#039;Ericsson Power Modules est un nouveau membre de la famille de r\u00e9gulateurs num\u00e9riques de point de charge (POL) de seconde g\u00e9n\u00e9ration de la soci\u00e9t\u00e9, dont l&#039;intensit\u00e9 maximum du courant d\u00e9livr\u00e9 passe \u00e0 40 A. Il permet aux architectes syst\u00e8me de surveiller \u00e9troitement et de contr\u00f4ler dynamiquement l&#039;\u00e9nergie d\u00e9livr\u00e9e aux processeurs, FPGA, ASIC et autres composants, afin d&#039;assurer une consommation \u00e9nerg\u00e9tique minimum dans toutes les conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/221891\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2011-06-22T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci2139_ericsson.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2500\" \/>\n\t<meta property=\"og:image:height\" content=\"1666\" \/>\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 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