{"id":226858,"date":"2013-04-15T22:00:00","date_gmt":"2013-04-15T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-numerique-de-conversion-denergie\/"},"modified":"2013-04-15T22:00:00","modified_gmt":"2013-04-15T22:00:00","slug":"controleur-numerique-de-conversion-denergie","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/controleur-numerique-de-conversion-denergie\/","title":{"rendered":"Contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie"},"content":{"rendered":"<p>Ce contr&ocirc;leur permet de r&eacute;aliser des topologies pont complet &agrave; haut rendement &eacute;nerg&eacute;tique ainsi que des variantes y compris celles &agrave; clamp actif et commande de redresseurs synchrones secondaires. Le rendement &eacute;nerg&eacute;tique est encore optimis&eacute; au moyen d&rsquo;une compensation active des temps de commutation. Ceci permet d&rsquo;am&eacute;liorer le rendement dans toute la plage de charge en particulier pour les faibles charges. Combin&eacute;es &agrave; la faible consommation d&rsquo;&eacute;nergie du composant, inf&eacute;rieure &agrave; 100 mW, les pertes globales en mode veille basse consommation sont minimes. Ce circuit met en &oelig;uvre un jeu complet de commandes sur le PMBus avec, notamment, la possibilit&eacute; de relever avec pr&eacute;cision les mesures de consommation en entr&eacute;e et en sortie tout en permettant &agrave; l&rsquo;utilisateur de prendre des d&eacute;cisions quant &agrave; la gestion de syst&egrave;mes intelligents pour optimiser le rendement &eacute;nerg&eacute;tique. Les param&egrave;tres peuvent &ecirc;tre enregistr&eacute;s dans la m&eacute;moire EEPROM interne haute fiabilit&eacute;.<br \/>\nLes multiples fonctionnalit&eacute;s de ce composant permettent de former un syst&egrave;me robuste fonctionnant en modes parall&egrave;le et redondant, ce qui r&eacute;pond aux attentes des utilisateurs exigeant une haute fiabilit&eacute; et une mise en parall&egrave;le ais&eacute;e pour des besoins de puissance accrue. En outre, il comprend une fonction de synchronisation ma&icirc;tre\/esclave, une protection contre les inversions de courant, une fonction de d&eacute;marrage avec pr&eacute;-polarisation, l&rsquo;&eacute;quilibrage pr&eacute;cis du courant entre alimentations et une technique brevet&eacute;e d&rsquo;identification et d&rsquo;inhibition s&eacute;curis&eacute;e d&rsquo;une alimentation d&eacute;fectueuse en mode parall&egrave;le.<br \/>\nEncapsul&eacute; dans un bo&icirc;tier QFN-24 compact de 4 x 4 mm et fonctionnant de -40 &deg;C &agrave; +125 &deg;C, ce contr&ocirc;leur convient particuli&egrave;rement aux modules d&rsquo;alimentation continu-continu isol&eacute;s ultra-compacts et haute densit&eacute;, ainsi qu&rsquo;aux alimentations embarqu&eacute;es pour applications r&eacute;seau, de communications et industrielles, pour des puissances de l&rsquo;ordre de 100 W et plus. Il est con&ccedil;u pour &ecirc;tre associ&eacute; aux circuits de commande de MOSFET ultra-rapides et aux isolateurs num&eacute;riques iCoupler propri&eacute;taires utilis&eacute;s dans les syst&egrave;mes d&rsquo;alimentation isol&eacute;s, ainsi qu&rsquo;aux contr&ocirc;leurs num&eacute;riques de correction du facteur de puissance ADP1047 et ADP1048 qui &eacute;quipent les syst&egrave;mes de conversion AC-DC. Ces circuits facilitent la mise en &oelig;uvre de fonctions de gestion intelligente de la puissance qui permettent d&rsquo;augmenter le rendement &eacute;nerg&eacute;tique.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.analog.com\/ADP1051\" target=\"_blank\" title=\"www.analog.com\/ADP1051\" rel=\"noopener\">www.analog.com\/ADP1051<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dot\u00e9 de fonctionnalit\u00e9s parall\u00e8les et redondantes et d\u2019une interface PMBus, le contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie ADP1051 d\u2019Analog Devices est destin\u00e9 aux alimentations \u00e0 d\u00e9coupage continu-continu isol\u00e9es, haute densit\u00e9 et ultra-compactes. Extr\u00eamement polyvalent, il compte six sorties PWM pouvant \u00eatre programm\u00e9es \u00e0 partir d\u2019une interface graphique conviviale via le PMBus.<\/p>\n","protected":false},"author":22,"featured_media":226859,"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-226858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie ...<\/title>\n<meta name=\"description\" content=\"Dot\u00e9 de fonctionnalit\u00e9s parall\u00e8les et redondantes et d\u2019une interface PMBus, le contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie ADP1051 d\u2019Analog...\" \/>\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\/226858\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie\" \/>\n<meta property=\"og:description\" content=\"Dot\u00e9 de fonctionnalit\u00e9s parall\u00e8les et redondantes et d\u2019une interface PMBus, le contr\u00f4leur num\u00e9rique de conversion d\u2019\u00e9nergie ADP1051 d\u2019Analog Devices est destin\u00e9 aux alimentations \u00e0 d\u00e9coupage continu-continu isol\u00e9es, haute densit\u00e9 et ultra-compactes. 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