{"id":119376,"date":"2018-06-06T23:31:44","date_gmt":"2018-06-06T23:31:44","guid":{"rendered":"https:\/\/\/convertisseurs-synchrones-a-decoupage-hautes-performances\/"},"modified":"2018-06-06T23:31:44","modified_gmt":"2018-06-06T23:31:44","slug":"convertisseurs-synchrones-a-decoupage-hautes-performances","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-synchrones-a-decoupage-hautes-performances\/","title":{"rendered":"Convertisseurs synchrones \u00e0 d\u00e9coupage hautes performances"},"content":{"rendered":"

Les concepteurs automobiles doivent doter les voitures modernes haut-de-gamme de davantage de fonctions, en mettant en \u0153uvre des solutions compactes \u00e0 haut rendement, r\u00e9pondant voire d\u00e9passant certaines exigences en mati\u00e8re de parasites EMI. Cependant, \u00e0 mesure que l\u2019on ajoute de nouvelles fonctions, le nombre de rails d\u2019alimentation ne fait qu\u2019augmenter. Chaque rail d’alimentation est aliment\u00e9 \u00e0 partir de la batterie de la voiture par l’interm\u00e9diaire d’un convertisseur \u00e0 d\u00e9coupage frontal, et doit souvent r\u00e9pondre \u00e0 des exigences sp\u00e9cifiques en mati\u00e8re de pr\u00e9cision de r\u00e9gulation de tension. En plus de tous ces d\u00e9fis, les concepteurs doivent aussi respecter les normes de s\u00e9curit\u00e9 rigoureuses de l\u2019industrie automobile.<\/p>\n

Les MAX20073\/74 offrent \u00e0 la fois des rendements plus \u00e9lev\u00e9s que les solutions concurrentes, et les niveaux de parasites EMI les plus faibles du march\u00e9, ce qui r\u00e9duit les risques d\u2019impacter le fonctionnement des sous-syst\u00e8mes, le tout sous un faible encombrement et avec un courant de repos ultra-faible. Combin\u00e9es \u00e0 l’oscillateur \u00e0 spectre \u00e9tal\u00e9 unique de Maxim, \u00e0 la fonctionnalit\u00e9 SYNC IN, au mode PWM forc\u00e9, et \u00e0 l\u2019architecture \u00e0 mode courant et \u00e0 modes d\u00e9sactivables, la qualit\u00e9 et les performances syst\u00e8me se voient consid\u00e9rablement am\u00e9lior\u00e9es, ce qui facilite la conception du syst\u00e8me dans son ensemble. De plus, les convertisseurs POL (Point-Of-Load, ou point-de-charge) \u00ab backend \u00bb (bout-de-ligne), comme les MAX20073\/74, doivent fournir des tensions tr\u00e8s sp\u00e9cifiques aux nombreux rails d’alimentation que r\u00e9clament les nouvelles fonctions \u00e9volu\u00e9es d\u2019aujourd\u2019hui. Leur pr\u00e9cision de tension de sortie les rend parfaits pour les applications ayant des exigences tr\u00e8s strictes au niveau des tensions destin\u00e9es au processeur et \u00e0 la m\u00e9moire. Les circuits int\u00e9gr\u00e9s doivent aussi respecter des normes de s\u00e9curit\u00e9 strictes, fonctionner avec des tensions d’entr\u00e9e basses dans une large gamme de temp\u00e9ratures, et minimiser les interf\u00e9rences radio (RFI) tout en offrant une grande pr\u00e9cision, un rendement \u00e9lev\u00e9 et une grande fiabilit\u00e9. \n<\/p>\n<\/p>\n

www.maximintegrated.com<\/a><\/p>\n

Rendement maximum pour les amplificateurs audio num\u00e9riques Classe D de Maxim<\/a><\/h3>\n

Protection contre les pannes de ports USB rapides<\/a><\/h3>\n

Modules de puissance 4 \u00e0 42V miniatures<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Les concepteurs automobiles pourront consid\u00e9rablement r\u00e9duire les parasites EMI tout en augmentant le rendement, gr\u00e2ce aux convertisseurs \u00e0 d\u00e9coupage \u00e0 brochage compatible, MAX20073 et MAX20074, de Maxim Integrated Products. Ces convertisseurs compacts, qui offrent les plus faibles niveaux de parasites EMI du march\u00e9 pour les applications point-de-charge basse-tension, sont parfaits pour les syst\u00e8mes d’info-divertissements et les syst\u00e8mes ADAS (Advanced Driver Assistance System). <\/p>\n","protected":false},"author":9,"featured_media":119377,"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-119376","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Convertisseurs synchrones \u00e0 d\u00e9coupage hautes performances ...<\/title>\n<meta name=\"description\" content=\"Les concepteurs automobiles pourront consid\u00e9rablement r\u00e9duire les parasites EMI tout en augmentant le rendement, gr\u00e2ce aux convertisseurs \u00e0 d\u00e9coupage \u00e0...\" \/>\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\/119376\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseurs synchrones \u00e0 d\u00e9coupage hautes performances\" \/>\n<meta property=\"og:description\" content=\"Les concepteurs automobiles pourront consid\u00e9rablement r\u00e9duire les parasites EMI tout en augmentant le rendement, gr\u00e2ce aux convertisseurs \u00e0 d\u00e9coupage \u00e0 brochage compatible, MAX20073 et MAX20074, de Maxim Integrated Products. Ces convertisseurs compacts, qui offrent les plus faibles niveaux de parasites EMI du march\u00e9 pour les applications point-de-charge basse-tension, sont parfaits pour les syst\u00e8mes d'info-divertissements et les syst\u00e8mes ADAS (Advanced Driver Assistance System).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/119376\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-06-06T23:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6385_maxim.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1071\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" 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