{"id":15253,"date":"2021-04-06T06:50:44","date_gmt":"2021-04-06T06:50:44","guid":{"rendered":"https:\/\/\/circuits-de-puissance-tres-faible-courant-de-repos\/"},"modified":"2021-04-06T06:50:44","modified_gmt":"2021-04-06T06:50:44","slug":"circuits-de-puissance-tres-faible-courant-de-repos","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuits-de-puissance-tres-faible-courant-de-repos\/","title":{"rendered":"Circuits de puissance tr\u00e8s faible courant de repos"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"background:white\"><span style=\"color:black\">Les syst\u00e8mes de nouvelle g\u00e9n\u00e9ration doivent fournir des courants plus \u00e9lev\u00e9s \u00e0 partir de petites batteries pour prendre en charge des applications sophistiqu\u00e9es comme la fourniture d\u2019une dose de m\u00e9dicament, la d\u00e9tection, le machine learning (ML) et l&rsquo;intelligence artificielle (IA). Les limitations des dispositifs obligent les d\u00e9veloppeurs \u00e0 faire des compromis qui limitent les fonctionnalit\u00e9s, r\u00e9duisent l&rsquo;autonomie de la batterie, ou augmentent la taille de la solution. Trois nouveaux circuits de puissance \u00e0 haut rendement du catalogue Essential Analog de Maxim facilitent les compromis en offrant \u00e0 la fois le courant de repos le plus faible du march\u00e9, et la taille la plus petite.<\/p>\n<p><span>MAX17227A :<\/span>&nbsp;Pour les accessoires grand public, les dispositifs IoT, et les petits appareils wearables m\u00e9dicaux qui sont aliment\u00e9s par batterie et ont besoin d&rsquo;une puissance accrue, le MAX17227A fournit la puissance de sortie la plus \u00e9lev\u00e9e et le courant de repos le plus faible. &nbsp;Il accepte un courant de commutation allant jusqu&rsquo;\u00e0 2A, soit deux fois plus que la meilleure solution concurrente. &nbsp;Tandis que sa consommation au repos est deux fois moindre, \u00e0 350 nA seulement. &nbsp;Ce convertisseur boost nanoPower dispose d&rsquo;une protection contre les courts-circuits, d&rsquo;une v\u00e9ritable coupure, d&rsquo;une plage de tension d&rsquo;entr\u00e9e allant de 400 mV \u00e0 5,5 V, et permet de prolonger la dur\u00e9e de vie des batteries jusqu&rsquo;\u00e0 10%.<\/p>\n<p><span>MAX17291 :<\/span>&nbsp;Assurant un boost de tension jusqu&rsquo;\u00e0 20V, le MAX17291 pr\u00e9sente un courant de repos inf\u00e9rieur de 80% et une taille inf\u00e9rieure de 60% par rapport \u00e0 la concurrence la plus proche. Capable d\u2019assurer une conversion de tension d\u2019un facteur 10, ce convertisseur boost est bien adapt\u00e9 aux syst\u00e8mes \u00e0 batterie avec des charges de tension de sortie plus \u00e9lev\u00e9es, comme les \u00e9crans ou les capteurs.<\/p>\n<p><span>MAX38911 :<\/span>&nbsp;Jusqu&rsquo;\u00e0 50% plus petit que ses concurrents, le LDO 500 mA MAX38911 est destin\u00e9 aux syst\u00e8mes IoT aliment\u00e9s par batterie et ne consomme que 19 \u00b5A en veille, allongeant ainsi la vie de la batterie jusqu&rsquo;\u00e0 10%. Il pr\u00e9sente \u00e9galement le meilleur taux de r\u00e9jection d&rsquo;alimentation (PSRR) du secteur, avec 16 dB de plus que son concurrent le plus proche, ce qui permet d\u2019\u00e9viter \u00e0 des alimentations g\u00e9n\u00e9ratrices de bruit d&rsquo;interf\u00e9rer avec certaines fonctions critiques, comme des mesures de pr\u00e9cision ou des communications.<br \/>\n<!--[if !supportLineBreakNewLine]--><br \/>\n<!--[endif]--><\/span><span style=\"background:white\"><\/span><span style=\"color:black;background:white\">\u00ab Ces trois nouveaux CI Efficient Power du catalogue Essential Analog de Maxim offrent aux concepteurs le moyen \u00e0 la fois d&rsquo;am\u00e9liorer le rendement \u00e9nerg\u00e9tique, et aussi de r\u00e9duire la taille des solutions, \u00bb d\u00e9clare Vickram Vathulya, Vice-Pr\u00e9sident du Core Products Group chez Maxim Integrated. \u00ab Pour l&rsquo;industrie, le grand public et la sant\u00e9, Maxim fixe la barre en mati\u00e8re d&rsquo;autonomie de batterie en proposant le plus faible courant de repos dans chaque cat\u00e9gorie. \u00bb<\/span><span style=\"background:white\"><\/span><br \/>\n<span><a href=\"https:\/\/maxim.click\/EE_Sim_Maxim\">maxim.click\/EE_Sim_Maxim<\/a><\/span><\/p>\n<p class=\"MsoNormal\"><span><a href=\"https:\/\/maxim.click\/Maxim_Essential-Analog-Solutions\">maxim.click\/Maxim_Essential-Analog-Solutions<\/a><\/span><span><\/span><\/p>\n<p class=\"MsoNormal\" style=\"background:white\"><span style=\"color:black\"><a href=\"http:\/\/www.maximintegrated.com\">www.maximintegrated.com<\/a><\/span><span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les concepteurs peuvent d\u00e9sormais allonger l&rsquo;autonomie des batteries et r\u00e9duire la taille des solutions destin\u00e9es aux dispositif grand public, industriels, de sant\u00e9 ou IoT, gr\u00e2ce \u00e0 trois nouveaux circuits du catalogue Essential Analog de Maxim Integrated Products, Inc. Le convertisseur nanoPower 2 A, MAX17227A, le convertisseur haute tension 1 A, MAX17291, et le convertisseur LDO 500 mA, MAX38911, fournissent tous des courants de repos plus faibles que la concurrence, et am\u00e9liorent ainsi le rendement du syst\u00e8me et l&rsquo;autonomie des batteries.<\/p>\n","protected":false},"author":9,"featured_media":15254,"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-15253","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuits de puissance tr\u00e8s faible courant de repos ...<\/title>\n<meta name=\"description\" content=\"Les concepteurs peuvent d\u00e9sormais allonger l&#039;autonomie des batteries et r\u00e9duire la taille des solutions destin\u00e9es aux dispositif grand public,...\" \/>\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\/15253\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Circuits de puissance tr\u00e8s faible courant de repos\" \/>\n<meta property=\"og:description\" content=\"Les concepteurs peuvent d\u00e9sormais allonger l&#039;autonomie des batteries et r\u00e9duire la taille des solutions destin\u00e9es aux dispositif grand public, industriels, de sant\u00e9 ou IoT, gr\u00e2ce \u00e0 trois nouveaux circuits du catalogue Essential Analog de Maxim Integrated Products, Inc. Le convertisseur nanoPower 2 A, MAX17227A, le convertisseur haute tension 1 A, MAX17291, et le convertisseur LDO 500 mA, MAX38911, fournissent tous des courants de repos plus faibles que la concurrence, et am\u00e9liorent ainsi le rendement du syst\u00e8me et l&#039;autonomie des batteries.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/15253\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-06T06:50:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci9163_maxim.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" 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