{"id":211031,"date":"2016-05-22T06:00:00","date_gmt":"2016-05-22T06:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/conception-de-reference-a-redresseur-a-pont-de-diodes-ideales-3-phases-haut-rendement\/"},"modified":"2016-05-22T06:00:00","modified_gmt":"2016-05-22T06:00:00","slug":"conception-de-reference-a-redresseur-a-pont-de-diodes-ideales-3-phases-haut-rendement","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/conception-de-reference-a-redresseur-a-pont-de-diodes-ideales-3-phases-haut-rendement\/","title":{"rendered":"Conception de r\u00e9f\u00e9rence \u00e0 redresseur \u00e0 pont de diodes id\u00e9ales, 3 phases, haut rendement"},"content":{"rendered":"<p>En cons\u00e9quence, cette solution \u00e0 6 diodes requiert des radiateurs on\u00e9reux et des syst\u00e8mes de refroidissement actif qui compliquent la conception thermique et accroissent la taille de la r\u00e9alisation.<\/p>\n<p>Afin de r\u00e9duire fortement les pertes de puissance et de tension, cette conception de r\u00e9f\u00e9rence remplace les six diodes par trois contr\u00f4leurs de pont \u00e0 diodes id\u00e9ales LT4320, contr\u00f4lant six MOSFET canal N \u00e0 faibles pertes. Ceci permet la sp\u00e9cification de l\u2019ensemble du syst\u00e8me pour fonctionner avec une alimentation plus petite et moins co\u00fbteuse en raison d\u2019un meilleur rendement. De plus, les applications basse tension b\u00e9n\u00e9ficient de marges de tensions suppl\u00e9mentaires dues \u00e0 l\u2019\u00e9conomie des chutes de tension dans les deux diodes des ponts. Par comparaison aux approches traditionnelles, le pont \u00e0 MOSFET autorise une mise en \u0153uvre de redresseur rentable au niveau de la taille et de bon rendement.<\/p>\n<p>La carte d\u2019\u00e9valuation redresse des tensions alternatives, rail-\u00e0-rail, de 9 V \u00e0 48 V efficaces, \u00e0 une fr\u00e9quence jusqu\u2019\u00e0 400 Hz, tout en fournissant jusqu\u2019\u00e0 25 A \u00e0 la charge, sans flux d\u2019air forc\u00e9. Le rendement, pour 9 V en entr\u00e9e, passe de 84% pour un pont \u00e0 diodes, &nbsp;\u00e0 97% pour un pont actif.<\/p>\n<p><a href=\"http:\/\/www.linear.com\/demo\/DC2465\" target=\"_blank\" rel=\"noopener\">www.linear.com\/demo\/DC2465<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La carte d\u2019\u00e9valuation DC2465 introduite par Linear Technology propose une conception de r\u00e9f\u00e9rence utilisant un redresseur \u00e0 pont de diodes id\u00e9ales, 3 phases, faibles pertes. Les redresseurs 3 phases conventionnels utilisent six diodes, mais les diodes font chuter la tension et dissipent de la puissance pour une intensit\u00e9 de courant de charge de quelques amp\u00e8res.<\/p>\n","protected":false},"author":9,"featured_media":211032,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[895],"domains":[47],"ppma_author":[1141],"class_list":["post-211031","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-developmentkits-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Conception de r\u00e9f\u00e9rence \u00e0 redresseur \u00e0 pont de diodes id\u00e9a...<\/title>\n<meta name=\"description\" content=\"La carte d\u2019\u00e9valuation DC2465 introduite par Linear Technology propose une conception de r\u00e9f\u00e9rence utilisant un redresseur \u00e0 pont de diodes id\u00e9ales, 3...\" \/>\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\/211031\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conception de r\u00e9f\u00e9rence \u00e0 redresseur \u00e0 pont de diodes id\u00e9ales, 3 phases, haut rendement\" \/>\n<meta property=\"og:description\" content=\"La carte d\u2019\u00e9valuation DC2465 introduite par Linear Technology propose une conception de r\u00e9f\u00e9rence utilisant un redresseur \u00e0 pont de diodes id\u00e9ales, 3 phases, faibles pertes. 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