{"id":228254,"date":"2013-10-17T22:00:00","date_gmt":"2013-10-17T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/recharge-intelligente-des-appareils-portables-par-usb-en-voiture\/"},"modified":"2013-10-17T22:00:00","modified_gmt":"2013-10-17T22:00:00","slug":"recharge-intelligente-des-appareils-portables-par-usb-en-voiture","status":"publish","type":"post","link":"https:\/\/test.ecinews.fr\/fr\/recharge-intelligente-des-appareils-portables-par-usb-en-voiture\/","title":{"rendered":"Recharge intelligente des appareils portables par USB en voiture"},"content":{"rendered":"<p>Auparavant, les appareils portables comme les Smartphones ou les tablettes ne pouvaient pas &ecirc;tre recharg&eacute;s de mani&egrave;re fiable &agrave; partir des ports USB standard que l&rsquo;on trouve dans certains v&eacute;hicules. Les longueurs de c&acirc;blage entra&icirc;naient une chute de tension et r&eacute;duisaient le courant de charge, ce qui emp&ecirc;chait les appareils portables de se recharger correctement. Quant aux chargeurs USB de voiture &agrave; bas co&ucirc;t, ils sont susceptibles de provoquer des parasites. D&eacute;sormais, ce convertisseur DC-DC automobile apporte une recharge USB intelligente &agrave; bord du v&eacute;hicule et r&eacute;sout ces probl&egrave;mes. Ce dispositif &agrave; puce unique int&egrave;gre toutes les fonctions des solutions traditionnelles &agrave; trois puces. Il combine un convertisseur DC-DC 5 V &agrave; partir d&rsquo;une source jusqu&rsquo;&agrave; 28 V et prot&eacute;g&eacute; des transitoires jusqu&rsquo;&agrave; 42V, un &eacute;mulateur de charge et des protections USB.<br \/>\nDe classe automobile &agrave; faible rayonnement &eacute;lectromagn&eacute;tique parasite (EMI), le convertisseur est capable de piloter jusqu&rsquo;&agrave; 2.5 A avec un r&eacute;glage de tension dynamique, ce qui est indispensable pour recharger les appareils portables actuels compte tenu des longs c&acirc;bles embarqu&eacute;s dans les automobiles. L&rsquo;&eacute;mulateur de charge, conforme &agrave; la sp&eacute;cification de recharge de batterie USB v1.2, g&egrave;re le protocole d&rsquo;&eacute;change entre l&rsquo;appareil portable et l&rsquo;h&ocirc;te en amont et permet de commander &agrave; l&rsquo;appareil portable en augmentant son courant de charge. En outre, il passe en mode basse consommation si celui-ci n&rsquo;est pas utilis&eacute;, r&eacute;duisant ainsi la consommation. Des diodes de d&eacute;charge &eacute;lectrostatique ESD int&eacute;gr&eacute;es et un circuit de coupure en cas de surtension USB assurent une protection de haut niveau qui emp&ecirc;che tout dommage &agrave; l&rsquo;autoradio ou aux p&eacute;riph&eacute;riques du v&eacute;hicule. Cet ensemble donne le syst&egrave;me de recharge d&rsquo;appareils portables ultra rapide et tr&egrave;s fiable dans un encombrement extr&ecirc;mement r&eacute;duit.<br \/>\n&quot;Le MAX16984, petit et tr&egrave;s int&eacute;gr&eacute;, permet d&rsquo;obtenir un syst&egrave;me de recharge USB performant, directement &agrave; partir d&rsquo;une radio bas-de-gamme, d&rsquo;un concentrateur, ou d&rsquo;un port de recharge d&eacute;di&eacute;,&quot; d&eacute;clare Ben Landen, Directeur des activit&eacute;s automobiles chez Maxim Integrated. &quot;Le gain de place et les &eacute;conomies r&eacute;alis&eacute;es permettent d&rsquo;&eacute;tendre les designs &agrave; des gammes enti&egrave;res de v&eacute;hicules, de plusieurs types et tailles, et de profiter des produits grand-public dans l&rsquo;environnement automobile.&quot;<br \/>\n&quot;Les smartphones et les tablettes assurent aujourd&rsquo;hui le divertissement aux places arri&egrave;res,&quot; affirme Richard Robinson, Directeur de l&rsquo;analyse automobile chez Strategy Analytics. &quot;La demande croissante d&rsquo;info-divertissement automobile devrait faire grimper le march&eacute; des semiconducteurs n&eacute;cessaires &agrave; plus de 7 milliards de dollars d&rsquo;ici 2018.&quot;<br \/>\nQualifi&eacute; AEC-Q100 et sp&eacute;cifi&eacute; pour une utilisation dans la gamme de temp&eacute;rature automobile de -40 &deg;C &agrave; +125 &deg;C, ce convertisseur est propos&eacute; en bo&icirc;tiers 28 broches TQFN ou QFND de 5 x 5 mm.<\/p>\n<\/p>\n<p><a title=\"www.maximintegrated.com\/MAX16984\" target=\"_blank\" href=\"http:\/\/www.maximintegrated.com\/datasheet\/index.mvp\/id\/7899\" rel=\"noopener\">www.maximintegrated.com\/MAX16984<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Indentifier et recharger par USB n&rsquo;importe quel appareil portable, directement depuis la batterie d&rsquo;un v\u00e9hicule, est d\u00e9sormais possible gr\u00e2ce au convertisseur DC-DC automobile \u00e0 \u00e9mulateur de charge USB MAX16984 de Maxim Integrated Products. Ce syst\u00e8me tr\u00e8s compact convient particuli\u00e8rement aux autoradios et aux modules de navigation GPS, aux syst\u00e8mes t\u00e9l\u00e9matiques embarqu\u00e9s, aux modules de connectivit\u00e9, et aux ports de recharge USB d\u00e9di\u00e9s.<\/p>\n","protected":false},"author":22,"featured_media":228255,"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-228254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Recharge intelligente des appareils portables par USB en voiture ...<\/title>\n<meta name=\"description\" content=\"Indentifier et recharger par USB n&#039;importe quel appareil portable, directement depuis la batterie d&#039;un v\u00e9hicule, est d\u00e9sormais possible gr\u00e2ce au...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/228254\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Recharge intelligente des appareils portables par USB en voiture\" \/>\n<meta property=\"og:description\" content=\"Indentifier et recharger par USB n&#039;importe quel appareil portable, directement depuis la batterie d&#039;un v\u00e9hicule, est d\u00e9sormais possible gr\u00e2ce au convertisseur DC-DC automobile \u00e0 \u00e9mulateur de charge USB MAX16984 de Maxim Integrated Products. Ce syst\u00e8me tr\u00e8s compact convient particuli\u00e8rement aux autoradios et aux modules de navigation GPS, aux syst\u00e8mes t\u00e9l\u00e9matiques embarqu\u00e9s, aux modules de connectivit\u00e9, et aux ports de recharge USB d\u00e9di\u00e9s.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/test.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/228254\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2013-10-17T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6633_maxim_pr_22_2013_max16984_image.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1459\" \/>\n\t<meta property=\"og:image:height\" content=\"1042\" \/>\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\" \/>\n<meta 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