{"id":42042,"date":"2020-10-30T06:31:44","date_gmt":"2020-10-30T06:31:44","guid":{"rendered":"https:\/\/\/controleurs-dc-dc-buck-boost-bidirectionnels-et-buck-biphase-80v\/"},"modified":"2020-10-30T06:31:44","modified_gmt":"2020-10-30T06:31:44","slug":"controleurs-dc-dc-buck-boost-bidirectionnels-et-buck-biphase-80v","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleurs-dc-dc-buck-boost-bidirectionnels-et-buck-biphase-80v\/","title":{"rendered":"Contr\u00f4leurs DC\/DC Buck-Boost Bidirectionnels et Buck Biphas\u00e9 80V"},"content":{"rendered":"<p>Le contr\u00f4leur buck-boost ISL81801 agit comme une \u00abASI (Alimentation Sans Interruption) sur puce\u00bb en permettant un flux de courant bidirectionnel (avant ou arri\u00e8re) \u00e0 l&rsquo;aide d&rsquo;une r\u00e9gulation \u00e0 tension constante et \u00e0 courant constant. Cela permet \u00e0 une batterie ou \u00e0 un supercondensateur d&rsquo;\u00eatre charg\u00e9 et d\u00e9charg\u00e9 \u00e0 l&rsquo;aide d&rsquo;un seul contr\u00f4leur et d&rsquo;un seul chemin d&rsquo;alimentation. La combinaison de la fr\u00e9quence de commutation buck-boost 80V la plus \u00e9lev\u00e9e de l\u2019industrie (600 kHz) et du plus petit bo\u00eetier (5mm x 5mm) de l\u2019ISL81801 permet aux concepteurs de cr\u00e9er des solutions d\u2019alimentation ultra-compactes et \u00e0 haute densit\u00e9. Sa large plage de 4,5V \u00e0 80V est parfaite pour de nombreuses applications courantes, notamment les entra\u00eenements de moteur 48V, les t\u00e9l\u00e9communications, les syst\u00e8mes de batterie de secours industriels et l&rsquo;\u00e9nergie solaire.<\/p>\n<p>L&rsquo;ISL81802 est un contr\u00f4leur buck synchrone monopuce, 80V biphas\u00e9 avec pilotes int\u00e9gr\u00e9s. Il s\u2019agit du seul contr\u00f4leur buck 80V de l\u2019industrie capable d\u2019une fr\u00e9quence de commutation de 1MHz, permettant l\u2019utilisation de petites inductances d\u2019alimentation pour am\u00e9liorer la densit\u00e9 de puissance. Pour les applications de puissance sup\u00e9rieure, plusieurs ISL81802 peuvent \u00eatre mis en parall\u00e8le et entrelac\u00e9s avec la meilleure r\u00e9ponse transitoire de sa cat\u00e9gorie. L&rsquo;ISL81802 peut g\u00e9n\u00e9rer soit deux sorties ind\u00e9pendantes, soit une seule sortie \u00e0 courant \u00e9lev\u00e9, permettant aux concepteurs d\u2019alimentation cr\u00e9atifs une flexibilit\u00e9 et une r\u00e9utilisation du circuit consid\u00e9rables sur les plates-formes. De plus, la capacit\u00e9 de fournir une tension de sortie constante ou un courant constant ouvre un large \u00e9ventail d&rsquo;applications pour les utilisateurs finaux, allant du pilotage de LED \u00e0 l&rsquo;alimentation des ventilateurs pour maximiser le flux d&rsquo;air dans les syst\u00e8mes de centres de donn\u00e9es denses.&nbsp;<\/p>\n<p>\u00ab Le nouveau ISL81801 80V rejoint les c\u00e9l\u00e8bres contr\u00f4leurs buck-boost bidirectionnels ISL81601 60V et ISL81401 40V qui s&rsquo;associent \u00e0 notre portefeuille de microcontr\u00f4leurs, de composants d&rsquo;alimentation et d&rsquo;analogique de pointe, offrant aux clients une gamme de choix pour optimiser l&rsquo;\u00e9tat de la batterie et l&rsquo;utilisation de l&rsquo;\u00e9nergie \u00bb,&nbsp;a d\u00e9clar\u00e9 Philip Chesley, vice-pr\u00e9sident de la division commerciale industrielle et des communications de Renesas. \u00ab Tirer parti de la m\u00e9thode de modulation et des algorithmes exclusifs de Renesas permet aux ISL81801 et ISL81802 hautement int\u00e9gr\u00e9s d&rsquo;obtenir les performances de fiabilit\u00e9 les plus \u00e9lev\u00e9es et la capacit\u00e9 de r\u00e9agir rapidement aux charges transitoires avec un nombre minimum de composants.&nbsp;\u00bb<\/p>\n<p><a href=\"http:\/\/www.renesas.com\">www.renesas.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cette paire de contr\u00f4leurs 80V DC\/DC innovants annonc\u00e9s par Renesas Electronics fournit la marge de tension suppl\u00e9mentaire n\u00e9cessaire pour les serveurs de centre de donn\u00e9es, les t\u00e9l\u00e9communications 48V et les \u00e9quipements industriels robustes.<\/p>\n","protected":false},"author":9,"featured_media":42043,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-42042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leurs DC\/DC Buck-Boost Bidirectionnels et Buck Biphas\u00e9 ...<\/title>\n<meta name=\"description\" content=\"Cette paire de contr\u00f4leurs 80V DC\/DC innovants annonc\u00e9s par Renesas Electronics fournit la marge de tension suppl\u00e9mentaire n\u00e9cessaire pour les serveurs...\" \/>\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\/42042\/\" 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