{"id":8167,"date":"2021-07-12T17:30:40","date_gmt":"2021-07-12T17:30:40","guid":{"rendered":"https:\/\/\/driver-de-retroeclairage-automobile-a-convertisseur-boost-integre\/"},"modified":"2021-07-12T17:30:40","modified_gmt":"2021-07-12T17:30:40","slug":"driver-de-retroeclairage-automobile-a-convertisseur-boost-integre","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-de-retroeclairage-automobile-a-convertisseur-boost-integre\/","title":{"rendered":"Driver de r\u00e9tro\u00e9clairage automobile \u00e0 convertisseur boost int\u00e9gr\u00e9"},"content":{"rendered":"

Le driver de LED sur une puce \u00e9limine un MOSFET externe et une r\u00e9sistance de d\u00e9tection de courant, et int\u00e8gre la communication I\u00b2C pour r\u00e9duire les co\u00fbts de nomenclature et l\u2019empreinte sur carte de 30 %. Ce circuit hautement int\u00e9gr\u00e9 comprend quatre canaux 120 mA qui offrent le meilleur rendement du secteur \u00e0 2,2 MHz.
\nLes syst\u00e8mes Start\/Stop des automobiles actuelles r\u00e9duisent la consommation de carburant, mais mettent au d\u00e9fi le syst\u00e8me d’alimentation \u00e9lectrique de maintenir une luminosit\u00e9 d’\u00e9cran constante lors des red\u00e9marrages. Par exemple, certaines fonctions, comme l’allumage de l’\u00e9cran quand on entre dans le v\u00e9hicule, peuvent \u00eatre affect\u00e9es par les d\u00e9marrages \u00e0 froid, le courant tir\u00e9 par le d\u00e9marreur faisant chuter la tension de la batterie et provoquant l’extinction de l’\u00e9cran avant que ce dernier ne se rallume. Le driver de r\u00e9tro\u00e9clairage LED MAX25512 de Maxim Integrated fonctionne jusqu’\u00e0 3 V apr\u00e8s d\u00e9marrage, sans convertisseur pr\u00e9-boost et prot\u00e8ge ainsi l’\u00e9cran des perturbations d’alimentation.<\/p>\n

maxim.click\/MAX25512Product<\/a><\/p>\n

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

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Maxim Integrated Products, Inc. pr\u00e9sente le MAX25512, un driver de r\u00e9tro\u00e9clairage \u00e0 LED destin\u00e9 \u00e0 l’automobile \u00e0 4 canaux basse tension \u00e0 convertisseur boost int\u00e9gr\u00e9. Il s’agit de la seule solution int\u00e9gr\u00e9e capable d\u2019assurer une luminosit\u00e9 maximale et constante aux \u00e9crans embarqu\u00e9s, m\u00eame dans des conditions extr\u00eames de d\u00e9marrage \u00e0 froid, jusqu’\u00e0 une tension d’entr\u00e9e de 3 V.<\/p>\n","protected":false},"author":9,"featured_media":8168,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-8167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Driver de r\u00e9tro\u00e9clairage automobile \u00e0 convertisseur boost in...<\/title>\n<meta name=\"description\" content=\"Maxim Integrated Products, Inc. pr\u00e9sente le MAX25512, un driver de r\u00e9tro\u00e9clairage \u00e0 LED destin\u00e9 \u00e0 l'automobile \u00e0 4 canaux basse tension \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\/8167\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Driver de r\u00e9tro\u00e9clairage automobile \u00e0 convertisseur boost int\u00e9gr\u00e9\" \/>\n<meta property=\"og:description\" content=\"Maxim Integrated Products, Inc. pr\u00e9sente le MAX25512, un driver de r\u00e9tro\u00e9clairage \u00e0 LED destin\u00e9 \u00e0 l'automobile \u00e0 4 canaux basse tension \u00e0 convertisseur boost int\u00e9gr\u00e9. 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