{"id":230348,"date":"2014-06-24T22:00:00","date_gmt":"2014-06-24T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/convertisseur-chargeur-par-recuperation-denergie\/"},"modified":"2014-06-24T22:00:00","modified_gmt":"2014-06-24T22:00:00","slug":"convertisseur-chargeur-par-recuperation-denergie","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseur-chargeur-par-recuperation-denergie\/","title":{"rendered":"Convertisseur chargeur par r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie"},"content":{"rendered":"<p>Ce convertisseur consomme 200 mA en provenance de la batterie quand il fournit une puissance r&eacute;gul&eacute;e &agrave; la charge issue d&rsquo;un syst&egrave;me &agrave; r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie, et seulement 950 nA aliment&eacute; sur la batterie et &agrave; vide. Il int&egrave;gre une alimentation &agrave; r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie de forte tension, un chargeur de batterie et un convertisseur DC\/DC abaisseur-&eacute;l&eacute;vateur synchrone aliment&eacute; par une batterie rechargeable pour r&eacute;aliser une source de tension de sortie, unique et sans interruption, pour les applications r&eacute;cup&eacute;ratrices d&rsquo;&eacute;nergie comme celles des r&eacute;seaux &agrave; capteurs sans fil. L&rsquo;alimentation &agrave; r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie, qui consiste en un redresseur &agrave; pont double alternance compatible avec les entr&eacute;es alternatives (AC) ou continues (DC), et en un convertisseur abaisseur de rendement &eacute;lev&eacute;, r&eacute;cup&egrave;re l&rsquo;&eacute;nergie provenant de sources pi&eacute;zo&eacute;lectriques (AC), solaires (DC) ou magn&eacute;tiques (AC). Quand aucune &eacute;nergie r&eacute;cup&eacute;r&eacute;e n&rsquo;est disponible, la batterie rechargeable alimente un convertisseur abaisseur-&eacute;l&eacute;vateur qui fonctionne sur toute la gamme de tensions de la batterie jusqu&rsquo;&agrave; 4,2 V pour assurer la r&eacute;gulation de la tension de sortie, que la tension d&rsquo;entr&eacute;e soit sup&eacute;rieure, inf&eacute;rieure ou &eacute;gale &agrave; la tension de sortie. Le circuit commute automatiquement sur la batterie quand la source &agrave; r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie n&rsquo;est plus disponible.\n<\/p>\n<hr \/>\n<p>Les entr&eacute;es r&eacute;cup&eacute;ratrices d&rsquo;&eacute;nergie fonctionnent sur une gamme de tensions de 3 V &agrave; 19 V, AC ou DC, ce qui convient &agrave; une large gamme de sources d&rsquo;&eacute;nergie d&rsquo;origine pi&eacute;zo&eacute;lectrique, solaire ou magn&eacute;tique. Les niveaux du seuil de blocage, en cas de sous-tension en entr&eacute;e, sont programmables entre 3 V et 18 V. L&rsquo;application peut ainsi faire fonctionner la source &agrave; r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie &agrave; son point de transfert de puissance maximum.<br \/>\nLes autres caract&eacute;ristiques comprennent la programmation via des broches, des tensions de sortie et des limites des cr&ecirc;tes d&rsquo;intensit&eacute; du r&eacute;gulateur abaisseur-&eacute;l&eacute;vateur, un &eacute;quilibreur pour supercondensateurs et un shunt de protection en entr&eacute;e, jusqu&rsquo;&agrave; 25 mA pour une tension d&rsquo;entr&eacute;e Vin sup&eacute;rieure ou &eacute;gale &agrave; 20 V.<br \/>\nEncapsul&eacute; en un bo&icirc;tier QFN-32 de 5 x 5 mm, le LTC3331EUH fonctionne de 0 &agrave; 85 &deg;C alors que la version industrielle LTC3331IUH est garantie de -40 &deg;C &agrave; +125 &deg;C. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTC3331\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc3331\" rel=\"noopener\">www.linear.com\/product\/LTC3331<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Application compl\u00e8te pour la r\u00e9cup\u00e9ration d\u2019\u00e9nergie, le convertisseur LTC3331 de Linear Technology g\u00e9n\u00e8re un courant de sortie continu pouvant atteindre 50 mA afin d\u2019accro\u00eetre l\u2019autonomie de la batterie lorsqu\u2019une \u00e9nergie r\u00e9cup\u00e9rable est disponible. Un shunt de 10 mA assure sa charge avec de l\u2019\u00e9nergie r\u00e9cup\u00e9r\u00e9e et une fonction de d\u00e9connexion de la batterie faiblement charg\u00e9e prot\u00e8ge celle-ci d\u2019une d\u00e9charge plus profonde.<\/p>\n","protected":false},"author":22,"featured_media":230349,"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-230348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseur chargeur par r\u00e9cup\u00e9ration d&#039;\u00e9nergie ...<\/title>\n<meta name=\"description\" content=\"Application compl\u00e8te pour la r\u00e9cup\u00e9ration d\u2019\u00e9nergie, le convertisseur LTC3331 de Linear Technology g\u00e9n\u00e8re un courant de sortie continu pouvant...\" \/>\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\/230348\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Convertisseur chargeur par r\u00e9cup\u00e9ration d&#039;\u00e9nergie\" \/>\n<meta property=\"og:description\" content=\"Application compl\u00e8te pour la r\u00e9cup\u00e9ration d\u2019\u00e9nergie, le convertisseur LTC3331 de Linear Technology g\u00e9n\u00e8re un courant de sortie continu pouvant atteindre 50 mA afin d\u2019accro\u00eetre l\u2019autonomie de la batterie lorsqu\u2019une \u00e9nergie r\u00e9cup\u00e9rable est disponible. Un shunt de 10 mA assure sa charge avec de l\u2019\u00e9nergie r\u00e9cup\u00e9r\u00e9e et une fonction de d\u00e9connexion de la batterie faiblement charg\u00e9e prot\u00e8ge celle-ci d\u2019une d\u00e9charge plus profonde.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/230348\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-06-24T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.eenewseurope.com\/wp-content\/uploads\/import\/default\/files\/import\/eci6892_linear_ltc3331.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1403\" \/>\n\t<meta property=\"og:image:height\" content=\"1052\" \/>\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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