{"id":233644,"date":"2015-07-07T22:00:00","date_gmt":"2015-07-07T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-%c2%b5module-double-13-a-a-interface-numerique\/"},"modified":"2015-07-07T22:00:00","modified_gmt":"2015-07-07T22:00:00","slug":"regulateur-%c2%b5module-double-13-a-a-interface-numerique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-%c2%b5module-double-13-a-a-interface-numerique\/","title":{"rendered":"R\u00e9gulateur \u00b5Module double 13 A, \u00e0 interface num\u00e9rique"},"content":{"rendered":"<p>Ce r&eacute;gulateur pr&eacute;sente une mise sous tension de 70 ms, une mise &agrave; jour t&eacute;l&eacute;m&eacute;trique du CAN de 8 ms et une interface num&eacute;rique s&eacute;rie I2C compatible PMBus &agrave; 400 kHz. Ces caract&eacute;ristiques autorisent un d&eacute;marrage plus rapide et une collecte acc&eacute;l&eacute;r&eacute;e des donn&eacute;es de l&rsquo;alimentation dans les applications qui requi&egrave;rent une mise en marche rapide comme les plateformes &agrave; base de PCIe. Les exemples de produits sont les syst&egrave;mes de communications optiques, les commutateurs de transmission de donn&eacute;es et des t&eacute;l&eacute;communications, les routeurs ainsi que les &eacute;quipements de tests industriels, la robotique, les syst&egrave;mes RAID et les dispositifs d&rsquo;entreprise pour lesquels les co&ucirc;ts des utilitaires &eacute;lectriques, de refroidissement et de maintenance sont critiques et doivent &ecirc;tre constamment mesur&eacute;s avec pr&eacute;cision.<br \/>\nCe circuit comprend une EEPROM, des MOSFET de puissance, les inductances et les composants additionnels. Il int&egrave;gre aussi deux boucles de contr&ocirc;le analogique rapides et des circuits de pr&eacute;cision &agrave; signaux m&eacute;lang&eacute;s, le tout dans un bo&icirc;tier BGA de 16 x 16 x 5,01 mm.<br \/>\nEn plus de fournir de la puissance &agrave; un point de charge, ce dispositif permet de configurer et de g&eacute;rer, par t&eacute;l&eacute;m&eacute;trie, l&rsquo;alimentation et ses param&egrave;tres au travers le PMBus, un protocole d&rsquo;interface s&eacute;rie num&eacute;rique ayant pour base le standard ouvert I2C. Il fonctionne sur une tension d&rsquo;entr&eacute;e Vin de 4,5 V &agrave; 17 V et la convertit en deux tensions de sortie plus basses de 0,5 V &agrave; 5,4 V. Les deux canaux peuvent se partager le courant pour g&eacute;n&eacute;rer jusqu&rsquo;&agrave; 26 A sur une seule sortie. Jusqu&rsquo;&agrave; quatre r&eacute;gulateurs peuvent &ecirc;tre associ&eacute;s pour un fonctionnement en multiphase avec partage d&rsquo;un courant de sortie jusqu&rsquo;&agrave; 100 A.\n<\/p>\n<hr \/>\n<p>Avec une erreur maximale en sortie, en continu, de &plusmn;0,5% sur sa gamme de temp&eacute;rature de -40 &deg;C &agrave; +125 &deg;C, une pr&eacute;cision de lecture de l&rsquo;intensit&eacute; &agrave; &plusmn;2,5%, un CAN Delta-Sigma de 16 bits et une EEPROM int&eacute;gr&eacute;s, ce r&eacute;gulateur &agrave; d&eacute;coupage r&eacute;unit des performances analogiques parmi les meilleures de sa cat&eacute;gorie, avec une acquisition de donn&eacute;es mix&eacute;es de pr&eacute;cision. Au d&eacute;marrage, les tensions de sortie, la fr&eacute;quence de commutation et le d&eacute;phasage des canaux peuvent &ecirc;tre fix&eacute;s par simple connexion de r&eacute;sistances sur les broches appropri&eacute;es.<br \/>\nEn outre, l&rsquo;interface graphique utilisateur (GUI) librement t&eacute;l&eacute;chargeable LTpowerPlay, le convertisseur USB-PMb Bus et le kit de d&eacute;monstration DC1811B-KIT sont propos&eacute;s pour &eacute;valuer le fonctionnement de ce circuit. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTM4676A\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/LTM4676A\" rel=\"noopener\">www.linear.com\/product\/LTM4676A<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Capable de fournir jusqu\u2019\u00e0 100 A par partage de courant, le LTM4676A de Linear Technology, est un r\u00e9gulateur abaisseur DC\/DC \u00b5Module double 13 A, ou simple 26 A, avec interface num\u00e9rique s\u00e9rie PMBus. Gr\u00e2ce cette derni\u00e8re, les concepteurs de syst\u00e8mes et op\u00e9rateurs \u00e0 distance peuvent commander et superviser l\u2019\u00e9tat de l\u2019alimentation et de la consommation d\u2019un syst\u00e8me.<\/p>\n","protected":false},"author":22,"featured_media":233645,"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-233644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>R\u00e9gulateur \u00b5Module double 13 A, \u00e0 interface num\u00e9rique ...<\/title>\n<meta name=\"description\" content=\"Capable de fournir jusqu\u2019\u00e0 100 A par partage de courant, le LTM4676A de Linear Technology, est un r\u00e9gulateur abaisseur DC\/DC \u00b5Module double 13 A, ou...\" \/>\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\/233644\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9gulateur \u00b5Module double 13 A, \u00e0 interface num\u00e9rique\" \/>\n<meta property=\"og:description\" content=\"Capable de fournir jusqu\u2019\u00e0 100 A par partage de courant, le LTM4676A de Linear Technology, est un r\u00e9gulateur abaisseur DC\/DC \u00b5Module double 13 A, ou simple 26 A, avec interface num\u00e9rique s\u00e9rie PMBus. Gr\u00e2ce cette derni\u00e8re, les concepteurs de syst\u00e8mes et op\u00e9rateurs \u00e0 distance peuvent commander et superviser l\u2019\u00e9tat de l\u2019alimentation et de la consommation d\u2019un syst\u00e8me.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233644\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-07-07T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7319_linear_ltm4676a_lo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1125\" \/>\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 name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta 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