{"id":66588,"date":"2020-01-20T04:37:41","date_gmt":"2020-01-20T04:37:41","guid":{"rendered":"https:\/\/\/circuit-de-gestion-dalimentation-decrans-automobiles-offrant-jusqua-50-de-gain-de-place\/"},"modified":"2020-01-20T04:37:41","modified_gmt":"2020-01-20T04:37:41","slug":"circuit-de-gestion-dalimentation-decrans-automobiles-offrant-jusqua-50-de-gain-de-place","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-de-gestion-dalimentation-decrans-automobiles-offrant-jusqua-50-de-gain-de-place\/","title":{"rendered":"Circuit de gestion d\u2019alimentation d\u2019\u00e9crans automobiles offrant jusqu’\u00e0 50% de gain de place"},"content":{"rendered":"

Le nombre d’\u00e9crans par v\u00e9hicule ne cesse d’augmenter, car les \u00e9quipementiers cherchent \u00e0 rendre les voitures plus attrayantes avec des combin\u00e9s d’instruments et des syst\u00e8mes d’info-divertissement de plus en plus sophistiqu\u00e9s, ainsi qu\u2019avec des affichages t\u00eate haute, des \u00e9crans centraux, des syst\u00e8mes de divertissement aux places arri\u00e8re, et des r\u00e9troviseurs intelligents. Ajouter de nouveaux \u00e9crans repr\u00e9sente un challenge pour les concepteurs, car les circuits d’alimentation n\u00e9cessaires sont en concurrence au niveau espace avec une myriade d’autres syst\u00e8mes \u00e9lectroniques \u00e0 l’int\u00e9rieur de la voiture.<\/p>\n

Le MAX16923 offre un niveau d\u2019int\u00e9gration \u00e9lev\u00e9 avec quatre rails d’alimentation : un convertisseur buck (d\u00e9volteur) \u00e0 tension haute et un autre \u00e0 tension basse, un r\u00e9gulateur LDO (Low Drop Out, ou faible chute de tension) \u00e0 tension haute et un autre \u00e0 tension basse ; ainsi qu\u2019un circuit d\u2019att\u00e9nuation EMI (Electro Magnetic Interference, ou parasite \u00e9lectromagn\u00e9tique), et une minuterie chien-de-garde, le tout dans le m\u00eame dispositif. Cette haute int\u00e9gration permet de ramener une solution d’alimentation automobile n\u00e9cessitant quatre \u00e0 cinq CI, \u00e0 un seul, sans que la temp\u00e9rature augmente notablement. Ceci simplifie aussi la conception et permet de gagner jusqu\u2019\u00e0 50% de place par rapport \u00e0 la solution concurrente la plus proche. De plus, l’att\u00e9nuation des parasites \u00e9lectromagn\u00e9tiques et la minuterie chien-de-garde am\u00e9liorent la fiabilit\u00e9 de chaque \u00e9cran.
\n\u00ab La croissance du secteur de l’affichage automobile ces cinq prochaines ann\u00e9es sera forte, dans la mesure o\u00f9 les \u00e9quipementiers vont augmenter le nombre et la taille des \u00e9crans pr\u00e9sents dans les voitures, \u00bb d\u00e9clare Greg Basich, Directeur Associ\u00e9 de la branche Infodivertissement et T\u00e9l\u00e9matique Automobile chez Strategy Analytics. \u00ab Certains v\u00e9hicules haut de gamme pourront accueillir jusqu’\u00e0 10 \u00e9crans. Dans un tel contexte, les concepteurs sont aussi aux prises avec un nombre croissant d’appareils \u00e9lectroniques \u00e0 int\u00e9grer dans la voiture, et les contraintes de place peuvent constituer un obstacle \u00e0 cette expansion. \u00bb
\n\u00ab En r\u00e9duisant le nombre de circuits int\u00e9gr\u00e9s n\u00e9cessaires pour g\u00e9rer chaque \u00e9cran, le MAX16923 simplifie consid\u00e9rablement la conception et les probl\u00e8mes de taille de circuit imprim\u00e9, \u00bb d\u00e9clare Szukang Hsien, Directeur Ex\u00e9cutif de la division Automobile, chez Maxim Integrated. \u00ab Cette solution d’alimentation tr\u00e8s int\u00e9gr\u00e9e ainsi que l\u2019alimentation TFT et driver de r\u00e9tro-\u00e9clairage 4 canaux, MAX20069<\/a>, permettent de r\u00e9pondre aux besoins en \u00e9nergie des \u00e9crans 12,3 pouces et plus petits. \u00bb  <\/p>\n

maxim.click\/MaximAutoDisplay<\/a><\/p>\n

maxim.click\/MAX16923<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Les concepteurs de syst\u00e8mes \u00e9lectroniques automobiles peuvent d\u00e9sormais augmenter le nombre d’\u00e9crans par v\u00e9hicule, tout en facilitant la conception, gr\u00e2ce au CI d\u2019alimentation d\u2019\u00e9crans, \u00e0 4 sorties et minuterie chien-de-garde, MAX16923, de Maxim Integrated Products, Inc. En rempla\u00e7ant quatre ou cinq circuits int\u00e9gr\u00e9s discrets par une seule solution de gestion d\u2019alimentation, le MAX16923 permet aux concepteurs automobiles de gagner une place consid\u00e9rable et d’augmenter facilement le nombre d’\u00e9crans, de deux \u00e0 cinq par v\u00e9hicule, ou m\u00eame plus.<\/p>\n","protected":false},"author":9,"featured_media":66589,"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-66588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Circuit de gestion d\u2019alimentation d\u2019\u00e9crans automobiles off...<\/title>\n<meta name=\"description\" content=\"Les concepteurs de syst\u00e8mes \u00e9lectroniques automobiles peuvent d\u00e9sormais augmenter le nombre d'\u00e9crans par v\u00e9hicule, tout en facilitant la conception,...\" \/>\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\/66588\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circuit de gestion d\u2019alimentation d\u2019\u00e9crans automobiles offrant jusqu'\u00e0 50% de gain de place\" \/>\n<meta property=\"og:description\" content=\"Les concepteurs de syst\u00e8mes \u00e9lectroniques automobiles peuvent d\u00e9sormais augmenter le nombre d'\u00e9crans par v\u00e9hicule, tout en facilitant la conception, gr\u00e2ce au CI d\u2019alimentation d\u2019\u00e9crans, \u00e0 4 sorties et minuterie chien-de-garde, MAX16923, de Maxim Integrated Products, Inc. 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