{"id":233536,"date":"2015-06-25T22:00:00","date_gmt":"2015-06-25T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateur-%c2%b5module-double-9-a-a-interface-numerique\/"},"modified":"2015-06-25T22:00:00","modified_gmt":"2015-06-25T22:00:00","slug":"regulateur-%c2%b5module-double-9-a-a-interface-numerique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateur-%c2%b5module-double-9-a-a-interface-numerique\/","title":{"rendered":"R\u00e9gulateur \u00b5Module double 9 A, \u00e0 interface num\u00e9rique"},"content":{"rendered":"<p>Gr&acirc;ce &agrave; l&rsquo;&rsquo;interface I2C, les concepteurs de syst&egrave;mes et op&eacute;rateurs &agrave; distance peuvent commander et superviser l&rsquo;&eacute;tat d&rsquo;un syst&egrave;me d&rsquo;alimentation et sa consommation. Le circuit int&egrave;gre l&rsquo;EEPROM, les MOSFET de puissance, les inductances et les composants n&eacute;cessaires. Il poss&egrave;de deux boucles de contr&ocirc;le analogique et des circuits de pr&eacute;cision &agrave; signaux m&eacute;lang&eacute;s, rapides.<br \/>\nCe composant est compatible broche-&agrave;-broche avec le LTM4676A double 13 A, au bo&icirc;tier BGA plus grand de 16 x 16 mm et de puissance plus &eacute;lev&eacute;e, ce qui &eacute;limine les modifications d&rsquo;implantation de sorte que les concepteurs du syst&egrave;me puissent passer d&rsquo;un composant &agrave; l&rsquo;autre pendant la phase du prototype. Cela supprime l&rsquo;&eacute;tape d&rsquo;une nouvelle &eacute;tude de la conception des circuits de puissance si les demandes en puissance changent lors de la mise en &oelig;uvre du prototype de la carte.<br \/>\nD&rsquo;une dur&eacute;e de d&eacute;marrage de 70 ms, ce r&eacute;gulateur fonctionne sur une tension d&rsquo;entr&eacute;e de 4,5 V &agrave; 17 V et la convertit en deux tensions de sortie plus basses de 0,5 V &agrave; 5,5 V. Ses deux canaux de 9 A peuvent se partager le courant pour g&eacute;n&eacute;rer jusqu&rsquo;&agrave; 18 A. Avec une erreur en sortie maximale de &plusmn;0,5% en continu, sur toute la 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, cette solution r&eacute;unit les meilleures performances analogiques de sa cat&eacute;gorie, d&rsquo;un r&eacute;gulateur &agrave; d&eacute;coupage 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 connexion de r&eacute;sistances sur des broches appropri&eacute;es.\n<\/p>\n<hr \/>\n<p>Ce circuit trouve ses applications dans les syst&egrave;mes de transport optique, les commutateurs et routeurs des communications de donn&eacute;es et des t&eacute;l&eacute;communications, les &eacute;quipements de tests industriels, la robotique, les syst&egrave;mes d&rsquo;entreprise et RAID pour lesquels les co&ucirc;ts de l&rsquo;&eacute;nergie, le refroidissement et la maintenance sont des postes sensibles et doivent &ecirc;tre &eacute;valu&eacute;s constamment et avec pr&eacute;cision.<br \/>\nEn outre, le syst&egrave;me de d&eacute;veloppement GUI librement t&eacute;l&eacute;chargeable LTpowerPlay, le convertisseur USB-PMBus et un kit de d&eacute;monstration sont propos&eacute;s pour &eacute;valuer le fonctionnement de ce r&eacute;gulateur.<\/p>\n<\/p>\n<p><a href=\"http:\/\/www.linear.com\/product\/LTM4675\">www.linear.com\/product\/LTM4675<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Encapsul\u00e9 dans un petit bo\u00eetier BGA de 11,9 x 16 x 3,51 mm, le r\u00e9gulateur DC\/DC \u00b5Module LTM4675 de Linear Technology offre une sortie double de 9 A ou simple de 18 A et une interface num\u00e9rique s\u00e9rie PMBus. Calibr\u00e9e et garantie de -40 \u00b0C \u00e0 125 \u00b0C, la pr\u00e9cision de la tension DC de sortie est de \u00b10,5% sur la r\u00e9gulation ligne et charge, et celle de relecture du courant dans la charge atteint \u00b12,5%.<\/p>\n","protected":false},"author":22,"featured_media":233537,"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-233536","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 9 A, \u00e0 interface num\u00e9rique ...<\/title>\n<meta name=\"description\" content=\"Encapsul\u00e9 dans un petit bo\u00eetier BGA de 11,9 x 16 x 3,51 mm, le r\u00e9gulateur DC\/DC \u00b5Module LTM4675 de Linear Technology offre une sortie double de 9 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\/233536\/\" \/>\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 9 A, \u00e0 interface num\u00e9rique\" \/>\n<meta property=\"og:description\" content=\"Encapsul\u00e9 dans un petit bo\u00eetier BGA de 11,9 x 16 x 3,51 mm, le r\u00e9gulateur DC\/DC \u00b5Module LTM4675 de Linear Technology offre une sortie double de 9 A ou simple de 18 A et une interface num\u00e9rique s\u00e9rie PMBus. Calibr\u00e9e et garantie de -40 \u00b0C \u00e0 125 \u00b0C, la pr\u00e9cision de la tension DC de sortie est de \u00b10,5% sur la r\u00e9gulation ligne et charge, et celle de relecture du courant dans la charge atteint \u00b12,5%.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/233536\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2015-06-25T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci7302_linear_ltm4675_r.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\" 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