{"id":223885,"date":"2012-03-21T23:00:00","date_gmt":"2012-03-21T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/concept-de-commande-de-led-pour-la-substitution-des-ampoules-incandescentes-a19-de-100-w\/"},"modified":"2012-03-21T23:00:00","modified_gmt":"2012-03-21T23:00:00","slug":"concept-de-commande-de-led-pour-la-substitution-des-ampoules-incandescentes-a19-de-100-w","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/concept-de-commande-de-led-pour-la-substitution-des-ampoules-incandescentes-a19-de-100-w\/","title":{"rendered":"Concept de commande de LED pour la substitution des ampoules incandescentes A19 de 100 W"},"content":{"rendered":"<p class=\"MsoNormal\"><span>Ce design de r&eacute;f&eacute;rence est un circuit de commande de LED non isol&eacute;, de rendement de 93% et de facteur de puissance &eacute;lev&eacute;, con&ccedil;u pour g&eacute;rer une tension nominale de bande de LED de 78 V &agrave; 230&nbsp;mA &agrave; partir d&rsquo;une tension d&rsquo;entr&eacute;e comprise entre 195 Vac &agrave; 265 Vac de 47&nbsp;Hz &agrave; 63&nbsp;Hz. Il utilise la puce pilote de LED de tr&egrave;s bas profil LNK460VG de la famille LinkSwitch-PL de la marque.<span><br \/>\n<\/span>Le circuit rentre pile dans le facteur de forme A19. Il est conforme EN61000-3-2 C (D) et se plie facilement aux limites de THD. Avec un facteur de puissance de plus de 0,95, il convient aux applications commerciales aussi bien que grand public. Gr&acirc;ce &agrave; la combinaison de la correction de facteur de puissance et de la conversion continu-continu en un seul &eacute;tage &agrave; d&eacute;coupage, ce concept utilise tr&egrave;s peu de composants, permettant de miniaturiser, de r&eacute;duire les co&ucirc;ts et d&rsquo;augmenter la fiabilit&eacute;. Il &eacute;limine aussi les gros condensateurs &eacute;lectrolytiques d&rsquo;entr&eacute;e.<br \/>\n&quot;Avec un rendement surpassant les anciennes solutions de 8 &agrave; 10 %, le circuit DER-322 est tr&egrave;s attrayant pour les ing&eacute;nieurs sp&eacute;cialistes de l&rsquo;&eacute;clairage cherchant &agrave; cr&eacute;er une solution de substitution d&rsquo;ampoules incandescentes A19 de 100 W,&nbsp;qui soit commercialement viable,&quot; commente Andrew Smith, directeur de marketing produit pour les applications &agrave; LED chez Power Integrations.<span> &quot;<\/span>Avec des rendements de LED continuant de s&rsquo;am&eacute;liorer, cette &eacute;tape d&eacute;cisive sera bient&ocirc;t &agrave; leur port&eacute;e. En attendant, la famille de puces LinkSwitch-PL permet de produire facilement des solutions de substitution &eacute;conomiques pour ampoules 60 et 75 W.&quot;<br \/>\nConvenant &agrave; la commande de lampes de substitution d&rsquo;ampoules incandescentes A19, mais aussi reconfigurable en commande de substitution de tubes T8, ce design int&eacute;resse &agrave; la fois les ing&eacute;nieurs de l&rsquo;&eacute;clairage &agrave; LED de haut de gamme et ceux qui optimisent les co&ucirc;ts des ampoules vendues au d&eacute;tail. De plus, il est facilement modifiable pour supporter la gradation &agrave; TRIAC. <\/span><\/p>\n<p class=\"MsoNormal\"><span><a href=\"http:\/\/www.powerint.com\/sites\/default\/files\/PDFFiles\/der322.pdf\">www.powerint.com\/sites\/default\/files\/PDFFiles\/der322.pdf<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Power Integrations publie le design de r\u00e9f\u00e9rence de commande de LED DER-322 pour solutions de substitution d\u2019ampoules haute puissance. Cette commande d\u00e9livre la puissance n\u00e9cessaire au remplacement d\u2019une ampoule incandescente de 100 W de format A19.<\/p>\n","protected":false},"author":22,"featured_media":223886,"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-223885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Concept de commande de LED pour la substitution des ampoules in...<\/title>\n<meta name=\"description\" content=\"Power Integrations publie le design de r\u00e9f\u00e9rence de commande de LED DER-322 pour solutions de substitution d\u2019ampoules haute puissance. 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