{"id":230292,"date":"2014-06-18T22:00:00","date_gmt":"2014-06-18T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/mosfet-sic-a-grille-en-tranchee-de-3e-generation\/"},"modified":"2014-06-18T22:00:00","modified_gmt":"2014-06-18T22:00:00","slug":"mosfet-sic-a-grille-en-tranchee-de-3e-generation","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/mosfet-sic-a-grille-en-tranchee-de-3e-generation\/","title":{"rendered":"MOSFET SiC \u00e0 grille en tranch\u00e9e de 3e g\u00e9n\u00e9ration"},"content":{"rendered":"<p>La stabilit&eacute; de la couche d&rsquo;oxyde de la grille et de la diode intrins&egrave;que restent aussi &eacute;lev&eacute;es que sur les MOSFET SiC de 2e g&eacute;n&eacute;ration de la gamme. Ayant r&eacute;ussi &agrave; r&eacute;soudre les probl&egrave;mes relatifs au claquage d&rsquo;oxyde en cas de tension drain-source &eacute;lev&eacute;e, l&rsquo;entreprise est parvenue &agrave; am&eacute;liorer la fiabilit&eacute; et l&rsquo;intensit&eacute; de courant admissible avec une densit&eacute; r&eacute;duite, &agrave; limiter la perte de conductivit&eacute; ainsi que l&rsquo;affaiblissement d&ucirc; &agrave; la commutation, et &agrave; conserver des dimensions compactes.<br \/>\nR&eacute;trospectivement, des MOSFET SiC planaires avait d&eacute;j&agrave; mis au point, &eacute;liminant la d&eacute;gradation des diodes &agrave; jonction PN parasites lors de la p&eacute;n&eacute;tration de courant direct. A pr&eacute;sent, la faible r&eacute;sistance &agrave; l&rsquo;&eacute;tat passant des versions &agrave; tranch&eacute;e s&rsquo;adapte parfaitement &agrave; l&rsquo;am&eacute;lioration de la densit&eacute; de puissance et des performances de l&rsquo;onduleur. Ces dispositifs offrent des caract&eacute;ristiques RDS(ON) et Ciss optimis&eacute;es qui permettent d&rsquo;ajuster l&rsquo;efficacit&eacute; et la vitesse de commutation. La diode &agrave; capacit&eacute; parasite ne pr&eacute;sente qu&rsquo;un comportement de recouvrement inverse et une d&eacute;gradation minimes &eacute;tant donn&eacute; que sa conduction est largement r&eacute;duite.<br \/>\nPropos&eacute;s en bo&icirc;tier TO247-3L, ces transistors trouvent leurs applications dans les onduleurs solaires, les moteurs, les alimentations sans coupure des t&eacute;l&eacute;communications, ainsi que dans l&rsquo;automobile et le chauffage industriel par induction. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.rohm.com\/eu\" target=\"_blank\" title=\"www.rohm.com\/eu\" rel=\"noopener\">www.rohm.com\/eu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROHM Semiconductor a pr\u00e9sent\u00e9 sa 3e g\u00e9n\u00e9ration de MOSFET SiC fond\u00e9e sur la technologie de grille en tranch\u00e9e. Par rapport aux versions planaires classiques dot\u00e9s de sections JFET qui augmentent la r\u00e9sistance \u00e0 l&rsquo;\u00e9tat passant, ces dispositifs r\u00e9duisent de moiti\u00e9 la r\u00e9sistance \u00e0 l&rsquo;\u00e9tat passant obtenue sur toute la plage de temp\u00e9ratures. <\/p>\n","protected":false},"author":22,"featured_media":230293,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-230292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>MOSFET SiC \u00e0 grille en tranch\u00e9e de 3e g\u00e9n\u00e9ration ...<\/title>\n<meta name=\"description\" content=\"ROHM Semiconductor a pr\u00e9sent\u00e9 sa 3e g\u00e9n\u00e9ration de MOSFET SiC fond\u00e9e sur la technologie de grille en tranch\u00e9e. Par rapport aux versions planaires...\" \/>\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\/230292\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MOSFET SiC \u00e0 grille en tranch\u00e9e de 3e g\u00e9n\u00e9ration\" \/>\n<meta property=\"og:description\" content=\"ROHM Semiconductor a pr\u00e9sent\u00e9 sa 3e g\u00e9n\u00e9ration de MOSFET SiC fond\u00e9e sur la technologie de grille en tranch\u00e9e. Par rapport aux versions planaires classiques dot\u00e9s de sections JFET qui augmentent la r\u00e9sistance \u00e0 l&#039;\u00e9tat passant, ces dispositifs r\u00e9duisent de moiti\u00e9 la r\u00e9sistance \u00e0 l&#039;\u00e9tat passant obtenue sur toute la plage de temp\u00e9ratures.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/230292\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-06-18T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6887_rohm_pr125_sic-mosfet1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1771\" \/>\n\t<meta property=\"og:image:height\" content=\"1179\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" 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