{"id":67328,"date":"2020-01-08T01:07:58","date_gmt":"2020-01-08T01:07:58","guid":{"rendered":"https:\/\/\/driver-de-grille-isole-au-carbure-de-silicium-haut-rendement-energetique\/"},"modified":"2020-01-08T01:07:58","modified_gmt":"2020-01-08T01:07:58","slug":"driver-de-grille-isole-au-carbure-de-silicium-haut-rendement-energetique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-de-grille-isole-au-carbure-de-silicium-haut-rendement-energetique\/","title":{"rendered":"Driver de grille isol\u00e9 au carbure de silicium haut rendement \u00e9nerg\u00e9tique"},"content":{"rendered":"

Beaucoup d\u2019alimentations \u00e0 d\u00e9coupage font aujourd\u2019hui appel \u00e0 des transistors au carbure de silicium (SiC), un semiconducteur \u00e0 bande interdite large, pour am\u00e9liorer le rendement \u00e9nerg\u00e9tique et la fiabilit\u00e9 des transistors. Cependant, la fr\u00e9quence de commutation \u00e9lev\u00e9e produit des transitoires qui g\u00e9n\u00e8rent du bruit, qui perturbe le fonctionnement ou n\u00e9cessite une att\u00e9nuation importante. Le MAX22701E offre l’immunit\u00e9 transitoire en mode commun (CMTI) la plus \u00e9lev\u00e9e du march\u00e9, avec 300 kV\/\u00b5s typique, pour une fiabilit\u00e9 record. Ce niveau d\u2019immunit\u00e9 CMTI est jusqu’\u00e0 3 fois plus \u00e9lev\u00e9 que celui du circuit concurrent le plus proche, et assure une disponibilit\u00e9 op\u00e9rationnelle sup\u00e9rieure. Le faible temps de propagation (35 ns typique, soit 2 fois moins que son concurrent le plus proche) et la bonne adaptation des d\u00e9lais de propagation entre drivers de grille c\u00f4t\u00e9 haut et c\u00f4t\u00e9 bas (5 ns maximum, soit 5 fois moins que la concurrence) permettent de r\u00e9duire les temps morts du transistor. En retour ceci permet de gagner jusqu\u2019\u00e0 4 points de rendement. Dans la plage des 90% de rendement, chaque point de rendement gagn\u00e9 se traduit par une diminution d’environ 10% des pertes \u00e9nerg\u00e9tiques. Ainsi, un rendement passant de 90 \u00e0 94% entra\u00eene une r\u00e9duction de 30 \u00e0 40% de l’\u00e9nergie gaspill\u00e9e (6% contre 10% d\u2019\u00e9nergie perdue). Le MAX22701E se pr\u00e9sente en bo\u00eetier SOIC \u00e0 8 broches (3,90 x 4,90 mm) \u00e0 plage de temp\u00e9rature \u00e9tendue de -40\u00b0C \u00e0 +125\u00b0C.<\/p>\n

maxim.click\/Isolated_Gate_Drivers_Maxim<\/a>
\nwww.maximintegrated.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Gr\u00e2ce au driver de grille isol\u00e9, MAX22701E de Maxim Integrated Products, Inc., les concepteurs de syst\u00e8mes de haute tension et haute puissance peuvent d\u00e9sormais am\u00e9liorer le rendement des alimentations jusqu\u2019\u00e0 4 points de pourcentage suppl\u00e9mentaire par rapport aux solutions concurrentes, en r\u00e9duisant de 30% les pertes d’\u00e9nergie et l’empreinte carbone. Ce CI driver est destin\u00e9 aux alimentations \u00e0 d\u00e9coupage dans les syst\u00e8mes de communications industrielles, des onduleurs photovolta\u00efques, des variateurs de vitesse, des voitures \u00e9lectriques, des syst\u00e8mes de stockage d’\u00e9nergie, des alimentations ininterruptibles, des fermes de donn\u00e9es et des alimentations haute-puissance \u00e0 haut rendement.<\/p>\n","protected":false},"author":9,"featured_media":67329,"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-67328","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<\/title>\n<meta name=\"description\" content=\"Gr\u00e2ce au driver de grille isol\u00e9, MAX22701E de Maxim Integrated Products, Inc., les concepteurs de syst\u00e8mes de haute tension et haute puissance peuvent...\" \/>\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\/67328\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Driver de grille isol\u00e9 au carbure de silicium haut rendement \u00e9nerg\u00e9tique\" \/>\n<meta property=\"og:description\" content=\"Gr\u00e2ce au driver de grille isol\u00e9, MAX22701E de Maxim Integrated Products, Inc., les concepteurs de syst\u00e8mes de haute tension et haute puissance peuvent d\u00e9sormais am\u00e9liorer le rendement des alimentations jusqu\u2019\u00e0 4 points de pourcentage suppl\u00e9mentaire par rapport aux solutions concurrentes, en r\u00e9duisant de 30% les pertes d'\u00e9nergie et l'empreinte carbone. Ce CI driver est destin\u00e9 aux alimentations \u00e0 d\u00e9coupage dans les syst\u00e8mes de communications industrielles, des onduleurs photovolta\u00efques, des variateurs de vitesse, des voitures \u00e9lectriques, des syst\u00e8mes de stockage d'\u00e9nergie, des alimentations ininterruptibles, des fermes de donn\u00e9es et des alimentations haute-puissance \u00e0 haut rendement.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/67328\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2020-01-08T01:07:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8363_maxim.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta 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