{"id":226296,"date":"2013-02-11T23:00:00","date_gmt":"2013-02-11T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-de-bus-avance-pour-systemes-de-stockage-en-reseaux\/"},"modified":"2013-02-11T23:00:00","modified_gmt":"2013-02-11T23:00:00","slug":"convertisseur-de-bus-avance-pour-systemes-de-stockage-en-reseaux","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-de-bus-avance-pour-systemes-de-stockage-en-reseaux\/","title":{"rendered":"Convertisseur de bus avanc\u00e9 pour syst\u00e8mes de stockage en r\u00e9seaux"},"content":{"rendered":"<p>Les applications RAID et NAS pour centres de donn&eacute;es sont con&ccedil;ues en vue d&rsquo;une haute performance et d&rsquo;une haute fiabilit&eacute;. Elles exigent des tensions de bus tr&egrave;s stables et lisses, sans perturbations telles que les pointes de tension ou les retards dus aux limitations des alimentations &agrave; mode courant. Pour s&rsquo;assurer que les tensions d&eacute;livr&eacute;es aux disques durs et aux autres sous-ensembles sont exemptes de bruit, des r&eacute;seaux complexes de condensateurs sont couramment utilis&eacute;s pour aboutir &agrave; une capacit&eacute; moyenne de 12 &agrave; 15 mF. Cependant, ce module convertisseur de bus b&eacute;n&eacute;ficie de toute la souplesse du contr&ocirc;le num&eacute;rique ainsi que du firmware propri&eacute;taire &quot;Optimiseur de Performance et d&rsquo;Energie&quot;. Il embarque un algorithme de contr&ocirc;le en mode tension qui maintient &eacute;troitement la tension de sortie entre 11,88 V et 12,12 V et g&egrave;re avec pr&eacute;cision le temps d&rsquo;allumage de 20 millisecondes.<br \/>\n&quot;Pour un produit de cette nature, une approche traditionnelle de conception n&eacute;cessiterait des modifications hardware significatives et pourrait demander plusieurs mois,&quot; d&eacute;clare Patrick Le F&egrave;vre, Directeur Marketing et Communication d&rsquo;Ericsson Power Modules. &quot;Cependant, la souplesse de la plate-forme FRIDA II et de son firmware optimiseur r&eacute;duit nettement cette dur&eacute;e ainsi que le temps de mise sur le march&eacute;. Le convertisseur BMR456 High-Cap est un excellent exemple des b&eacute;n&eacute;fices et de la souplesse in&eacute;dite apport&eacute;s par les alimentations num&eacute;riques aux concepteurs de cartes et de syst&egrave;mes.&quot;<br \/>\nCe module est con&ccedil;u pour des applications de bus 12 V pouvant se limiter &agrave; 6 V en mode veille. Contr&ocirc;l&eacute; par commandes PMBus, il peut ajuster la tension de sortie jusqu&rsquo;&agrave; tout juste 4 V et peut m&ecirc;me alimenter des cartes sous-syst&egrave;mes de 5 V en mode repos, ce qui laisse suffisamment de marge de man&oelig;uvre aux concepteurs de cartes. Il d&eacute;livre une puissance de 420 W et sa courbe de rendement est plane &agrave; 96% depuis les charges basses jusqu&rsquo;aux charges hautes, ce qui garantit une dissipation minimum en tout point et contribue &agrave; r&eacute;duire la consommation &eacute;nerg&eacute;tique et le co&ucirc;t total de possession. D&eacute;velopp&eacute; pour une int&eacute;gration compl&egrave;te et fluide dans la cha&icirc;ne d&rsquo;optimisation d&rsquo;&eacute;nergie, il inclut un bloc m&eacute;moire &quot;User_Store&quot; o&ugrave; les concepteurs syst&egrave;me peuvent stocker des fichiers de configuration personnalis&eacute;s adaptant le comportement du convertisseur &agrave; diff&eacute;rentes conditions.<br \/>\nConforme aux exigences d&rsquo;isolation de la norme EN60950, ce dispositif maintient une isolation d&rsquo;E\/S de 2250 VDC. Il offre un ensemble complet de fonctions et caract&eacute;ristiques dont la t&eacute;l&eacute;mesure, des protections configurables par PMBus de d&eacute;passement de temp&eacute;rature, surintensit&eacute; et surtension, un &quot;start\/stop&quot; configurable ainsi qu&rsquo;un contr&ocirc;le pr&eacute;cis des d&eacute;lais et de la pente d&rsquo;allumage. Il int&egrave;gre &eacute;galement le r&eacute;glage des marges de tension, la capacit&eacute; de configurer les r&eacute;ponses aux d&eacute;passements, une broche &quot;power good&quot; et une gestion d&rsquo;&eacute;nergie hautement programmable.<\/p>\n<p><a title=\"www.ericsson.com\/powermodules\" target=\"_blank\" href=\"http:\/\/www.ericsson.com\/powermodules\" rel=\"noopener\">www.ericsson.com\/powermodules<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bas\u00e9 sur la plate-forme 3E FRIDA II de la s\u00e9rie BMR456 \u00ab\u00a0High-Cap\u00a0\u00bb, le module convertisseur de bus BMR4560004\/018 d\u2019Ericsson est sp\u00e9cifiquement con\u00e7u pour alimenter les applications de disques durs RAID et NAS qui ont de fortes charges capacitives, pouvant atteindre 15 millifarads. Il garantit une tension de bus stable et pr\u00e9cise de 12 V pour toute la plage de tension d\u2019entr\u00e9e.<\/p>\n","protected":false},"author":22,"featured_media":226297,"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-226296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur de bus avanc\u00e9 pour syst\u00e8mes de stockage en r\u00e9s...<\/title>\n<meta name=\"description\" content=\"Bas\u00e9 sur la plate-forme 3E FRIDA II de la s\u00e9rie BMR456 &quot;High-Cap&quot;, le module convertisseur de bus BMR4560004\/018 d\u2019Ericsson est sp\u00e9cifiquement con\u00e7u...\" \/>\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\/226296\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur de bus avanc\u00e9 pour syst\u00e8mes de stockage en r\u00e9seaux\" \/>\n<meta property=\"og:description\" content=\"Bas\u00e9 sur la plate-forme 3E FRIDA II de la s\u00e9rie BMR456 &quot;High-Cap&quot;, le module convertisseur de bus BMR4560004\/018 d\u2019Ericsson est sp\u00e9cifiquement con\u00e7u pour alimenter les applications de disques durs RAID et NAS qui ont de fortes charges capacitives, pouvant atteindre 15 millifarads. Il garantit une tension de bus stable et pr\u00e9cise de 12 V pour toute la plage de tension d\u2019entr\u00e9e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/226296\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-02-11T23:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6353_ericsson_e0173-bmr456-high-cap_lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1800\" \/>\n\t<meta property=\"og:image:height\" content=\"1350\" \/>\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 Europe\" \/>\n\t<meta name=\"twitter:label2\" 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