{"id":228394,"date":"2013-11-04T23:00:00","date_gmt":"2013-11-04T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteur-a-effet-hall-lineaire-programmable\/"},"modified":"2013-11-04T23:00:00","modified_gmt":"2013-11-04T23:00:00","slug":"capteur-a-effet-hall-lineaire-programmable","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteur-a-effet-hall-lineaire-programmable\/","title":{"rendered":"Capteur \u00e0 effet Hall lin\u00e9aire programmable"},"content":{"rendered":"<p>L&rsquo;excellente stabilit&eacute; thermique de ce capteur et sa stabilit&eacute; tout au long de sa vie, fournissent aux concepteurs une fonction caract&eacute;ristique 100% programmable, permettant &agrave; un m&ecirc;me composant de r&eacute;pondre aux besoins d&rsquo;un tr&egrave;s grand nombre d&rsquo;application de d&eacute;tection de courant. Les param&egrave;tres tels que la sensibilit&eacute; et l&rsquo;offset (compensation) sont stock&eacute;s dans une m&eacute;moire EEPROM interne. L&rsquo;&eacute;talonnage se fait gr&acirc;ce au protocole propri&eacute;taire PTC bien &eacute;tabli qui autorise la programmation &agrave; travers le connecteur. Il module la tension d&rsquo;alimentation et ne n&eacute;cessite aucune broche additionnelle pour programmer, fluidifiant ainsi la production. Une sortie analogique lin&eacute;aire permet d&rsquo;utiliser ce circuit pour des applications n&eacute;cessitant une r&eacute;ponse tr&egrave;s rapide, de seulement 3 &micro;s.<br \/>\nL&rsquo;&eacute;talonnage se fait id&eacute;alement in-situ, une fois le capteur install&eacute;, par rapport au conducteur du courant &agrave; d&eacute;tecter et au noyau ferromagn&eacute;tique, afin d&rsquo;obtenir une sensibilit&eacute; en courant parfaitement &eacute;talonn&eacute;e. La pr&eacute;cision typique d&rsquo;un syst&egrave;me de d&eacute;tection de courant utilisant ce dispositif est meilleure que &plusmn;0.5% &agrave; temp&eacute;rature ambiante ou &plusmn;2% sur toute la gamme de temp&eacute;rature de -40&deg;C &agrave; +125&deg;C en effectuant un &eacute;talonnage en fin de ligne sur site.<br \/>\nAvec son temps de r&eacute;ponse rapide et sa stabilit&eacute; renforc&eacute;e sur toute la plage de temp&eacute;rature et pendant toute sa dur&eacute;e de vie, ce capteur &agrave; effet Hall est parfaitement optimis&eacute; pour les applications de d&eacute;tection de courant les plus exigeantes, tant au niveau de la gestion des batteries des v&eacute;hicules &eacute;lectriques et hybrides que dans celle de la production d&rsquo;&eacute;lectricit&eacute; solaire ou encore celle des syst&egrave;mes &eacute;lectroniques plus traditionnels.<br \/>\nCe circuit est propos&eacute; en bo&icirc;tier SIP 4 broches sans plomb, conforme RoHS. <\/p>\n<\/p>\n<p><a title=\"www.melexis.com\/91209\" href=\"http:\/\/www.melexis.com\/91209\" target=\"_blank\" rel=\"noopener\">www.melexis.com\/91209<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La mesure du courant \u00e9lectrique dans un conducteur utilise habituellement des r\u00e9sistances shunt, des transformateurs de courant ou des capteurs de champ magn\u00e9tique. Les capteurs \u00e0 effet Hall sont souvent retenus pour mesure des courants continus. N\u00e9anmoins, le capteur \u00e0 effet Hall lin\u00e9aire rapide MLX91209CA de Melexis est capable de mesurer des courants DC ou AC jusqu&rsquo;\u00e0 200 kHz. <\/p>\n","protected":false},"author":22,"featured_media":228395,"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-228394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteur \u00e0 effet Hall lin\u00e9aire programmable ...<\/title>\n<meta name=\"description\" content=\"La mesure du courant \u00e9lectrique dans un conducteur utilise habituellement des r\u00e9sistances shunt, des transformateurs de courant ou des capteurs de champ...\" \/>\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\/228394\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Capteur \u00e0 effet Hall lin\u00e9aire programmable\" \/>\n<meta property=\"og:description\" content=\"La mesure du courant \u00e9lectrique dans un conducteur utilise habituellement des r\u00e9sistances shunt, des transformateurs de courant ou des capteurs de champ magn\u00e9tique. 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