{"id":475866,"date":"2025-03-23T19:57:53","date_gmt":"2025-03-23T18:57:53","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=475866"},"modified":"2025-03-23T19:59:08","modified_gmt":"2025-03-23T18:59:08","slug":"les-circuits-integres-de-commutation-pour-les-alimentations-a-haut-rendement-fournissent-175-w","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/les-circuits-integres-de-commutation-pour-les-alimentations-a-haut-rendement-fournissent-175-w\/","title":{"rendered":"Les circuits int\u00e9gr\u00e9s de commutation pour les alimentations \u00e0 haut rendement fournissent 175 W"},"content":{"rendered":"<h2>Power Integrations lance les circuits int\u00e9gr\u00e9s\u00a0 TinySwitch\u2122-5 pour les alimentations \u00e0 haut rendement. Un nouveau venu dans cette famille tr\u00e8s populaire de circuits int\u00e9gr\u00e9s de commutation hors ligne \u00e0 175 W.<\/h2>\n<p>Les circuits de commutation atteignent un rendement de 92 % gr\u00e2ce \u00e0 un redresseur de base par diode et un optocoupleur. Ils sont dot\u00e9s d&rsquo;un dispositif de contr\u00f4le avanc\u00e9 qui g\u00e8re de mani\u00e8re transparente la fr\u00e9quence de commutation et la fourniture d&rsquo;\u00e9nergie afin de maximiser l&rsquo;efficacit\u00e9, m\u00eame en cas de charges l\u00e9g\u00e8res. Cette aptitude permet aux alimentations de respecter facilement la limite de consommation de 300 mW en charge l\u00e9g\u00e8re, fix\u00e9e par la directive 2009\/125\/CE de la Commission europ\u00e9enne sur les produits li\u00e9s \u00e0 l&rsquo;\u00e9nergie (ErP), tout en continuant \u00e0 fournir jusqu&rsquo;\u00e0 220 mW de puissance de sortie pour les fonctions d&rsquo;affichage, de contr\u00f4le et de communication. Gr\u00e2ce \u00e0 un bo\u00eetier thermique innovant, les TinySwitch-5 peuvent fournir jusqu&rsquo;\u00e0 75 W sans dissipateur thermique. La protection contre les sous-tensions et les surtensions de ligne garantit la robustesse de l&rsquo;appareil dans les pays o\u00f9 l&rsquo;alimentation secteur est instable.<\/p>\n<p>Avec plus de six milliards d&rsquo;unit\u00e9s vendues dans le monde, les circuits int\u00e9gr\u00e9s TinySwitch sont largement utilis\u00e9s dans les alimentations de polarisation et auxiliaires dans les appareils \u00e9lectrom\u00e9nagers, l&rsquo;informatique, les communications, les applications industrielles et m\u00e9dicales. Les circuits int\u00e9gr\u00e9s TinySwitch ont \u00e9t\u00e9 les premiers \u00e0 int\u00e9grer la technologie innovante EcoSmart\u2122 de Power Integrations, qui a permis d&rsquo;\u00e9conomiser environ 200 t\u00e9rawattheures d&rsquo;\u00e9lectricit\u00e9 depuis 1998 en r\u00e9duisant consid\u00e9rablement le gaspillage d&rsquo;\u00e9nergie en mode veille.<\/p>\n<p>Silvestro Fimiani, directeur du marketing produit chez Power Integrations, a d\u00e9clar\u00e9 : \u00ab\u00a0TinySwitch est devenu la r\u00e9f\u00e9rence des petites alimentations en raison de son efficacit\u00e9 et de sa facilit\u00e9 d&rsquo;utilisation. Avec TinySwitch-5, les concepteurs peuvent augmenter la puissance maximale jusqu&rsquo;\u00e0 175 W tout en atteignant facilement 220 mW de sortie r\u00e9pondant ainsi aux besoins des fabricants d&rsquo;appareils soumis \u00e0 la r\u00e8gle de 300 mW en veille impos\u00e9e par l&rsquo;ErP de l&rsquo;Union europ\u00e9enne\u00a0\u00bb.<\/p>\n<p>Des notices d&rsquo;applications sont disponibles, qui d\u00e9crivent une alimentation \u00e0 sortie unique de 12 W (DER-1017), une alimentation \u00e0 double sortie de 26,5 W avec un excellent rendement en veille (RDR-1016), une alimentation \u00e0 sortie unique de 36 W avec un rendement \u00e9lev\u00e9 \u00e0 faible charge (DER-1040), et une alimentation de 120 W avec un rendement de 92 % \u00e0 230 V CA (DER-1027).<\/p>\n<p><a href=\"http:\/\/www.power.com\">www.power.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les circuits de commutation offrent un rendement de 92 % dans une architecture flyback classique afin de respecter la limite europ\u00e9enne de consommation en charge l\u00e9g\u00e8re de 300 mW.<\/p>\n","protected":false},"author":11,"featured_media":475600,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[9244,8526,9245],"domains":[47],"ppma_author":[3682,1143],"class_list":["post-475866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-alimentations-a-decoupage","tag-ci-de-commutation","tag-puissance-de-la-charge-legere","domains-electronique-eci"],"acf":[],"yoast_head":"<title><\/title>\n<meta name=\"description\" content=\"circuits int\u00e9gr\u00e9s\u00a0 TinySwitch\u2122-5 pour les alimentations \u00e0 haut rendement, avec une commutation hors ligne \u00e0 175 W.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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