{"id":125360,"date":"2018-04-04T22:31:44","date_gmt":"2018-04-04T22:31:44","guid":{"rendered":"https:\/\/\/des-convertisseurs-devolteurs-ultra-miniatures-pour-les-applications-automobiles\/"},"modified":"2018-04-04T22:31:44","modified_gmt":"2018-04-04T22:31:44","slug":"des-convertisseurs-devolteurs-ultra-miniatures-pour-les-applications-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-convertisseurs-devolteurs-ultra-miniatures-pour-les-applications-automobiles\/","title":{"rendered":"Des convertisseurs d\u00e9volteurs ultra-miniatures pour les applications automobiles"},"content":{"rendered":"<p>Les nouveaux convertisseurs offrent le plus faible courant de repos (I<sub>Q<\/sub>) du march\u00e9 et permettent des solutions ultra-miniatures avec une compensation int\u00e9gr\u00e9e. Elles demandent un nombre de composants minimal, induisant jusqu&rsquo;\u00e0 50% de gain de place. Ce qui en fait de parfaits candidats pour les applications automobiles \u00ab\u00a0always on\u00a0\u00bb (toujours allum\u00e9es).<br \/>\nLes MAX20075 et MAX20076 tirent en mode cr\u00eate de courant (peak current mode) le plus faible courant de repos du march\u00e9, avec 3,5 \u00b5A seulement en mode basse consommation, ce qui est essentiel pour r\u00e9pondre aux exigences strictes de consommation au repos de 100 \u00b5A par module des \u00e9quipementiers.<br \/>\nLes convertisseurs permettent un faible niveau de bruit gr\u00e2ce \u00e0 un fonctionnement \u00e0 spectre \u00e9tal\u00e9 ou \u00e0 fr\u00e9quence fixe 2,1 MHz, s\u00e9lectionnable \u00e0 l&rsquo;aide de l&rsquo;une des broches, pour r\u00e9pondre \u00e0 la norme CISPR 25 Classe 5 EMI. En outre, un avantage suppl\u00e9mentaire du fonctionnement \u00e0 2,1 MHz et de la compensation interne est de r\u00e9duire l&rsquo;encombrement de la solution et le nombre de composants externes, par rapport \u00e0 un dispositif asynchrone fonctionnant dans la bande AM.<br \/>\nLes MAX20075 et MAX20076 disposent d&rsquo;un mode de temps minimum d&rsquo;allumage, qui permet aux convertisseurs d&rsquo;avoir une large relation de conversion entr\u00e9e-sortie. Par exemple, passer de l&rsquo;entr\u00e9e V<sub>batt<\/sub> \u00e0 V<sub>out<\/sub> de &lt; 3 V \u00e0 2,1 MHz permet de ne pas \u00e0 avoir \u00e0 utiliser d&rsquo;alimentation secondaire, et r\u00e9duit les co\u00fbts de nomenclature de 0,30 dollar pour incorporer de nouvelles fonctions au projet afin d&rsquo;obtenir plus de souplesse.<br \/>\nLes MAX20075 et MAX20076 respectent l&rsquo;AEC-Q100, sont disponibles dans un bo\u00eetier TDFN de 3 mm x 3 mm et op\u00e8rent dans la gamme -40\u00b0C et +125\u00b0C.<\/p>\n<ul>\n<li>Les MAX20075 et MAX20076 sont disponibles sur le site Web de Maxim.<\/li>\n<li>Des kits d&rsquo;\u00e9valuation <a href=\"https:\/\/www.maximintegrated.com\/en\/products\/power\/switching-regulators\/MAX20075EVKIT.html?utm_source=newsrelease\">MAX20075EVKIT#<\/a> et <a href=\"https:\/\/www.maximintegrated.com\/en\/products\/power\/switching-regulators\/MAX20076EVKIT.html?utm_source=newsrelease\">MAX20076EVKIT#<\/a> sont disponibles.<\/li>\n<li>Pour plus d&rsquo;information sur le MAX20075 : <\/li>\n<li>Pour plus d&rsquo;information sur le MAX20076 : <\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.maximintegrated.com\">www.maximintegrated.com<\/a><\/p>\n<h3 class=\"title\"><a href=\"http:\/\/www.electronique-eci.com\/news\/modules-de-puissance-4-42v-miniatures\">Modules de puissance 4 \u00e0 42V miniatures<\/a><\/h3>\n<h3 class=\"title\"><a href=\"http:\/\/www.electronique-eci.com\/news\/systeme-de-gestion-de-batterie-avance-pour-une-voiture-plus-intelligente\">Syst\u00e8me de gestion de batterie avanc\u00e9 pour une voiture plus intelligente<\/a><\/h3>\n<h3 class=\"title\"><a href=\"http:\/\/www.electronique-eci.com\/news\/transcepteurs-can-isoles-assurant-des-transmissions-fiables-aux-systemes-industriels\">Transcepteurs CAN isol\u00e9s assurant des transmissions fiables aux syst\u00e8mes industriels<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Les concepteurs syst\u00e8me qui d\u00e9veloppent des applications 40 V haut rendement tol\u00e9rantes aux surtensions peuvent d\u00e9sormais utiliser les convertisseurs d\u00e9volteurs ultra-compacts MAX20075 et MAX20076, \u00e0 brochage compatible, de Maxim Integrated Products, Inc.<\/p>\n","protected":false},"author":9,"featured_media":125361,"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-125360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des convertisseurs d\u00e9volteurs ultra-miniatures pour les applic...<\/title>\n<meta name=\"description\" content=\"Les concepteurs syst\u00e8me qui d\u00e9veloppent des applications 40 V haut rendement tol\u00e9rantes aux surtensions peuvent d\u00e9sormais utiliser les convertisseurs...\" \/>\n<meta name=\"robots\" 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