{"id":226496,"date":"2013-03-04T23:00:00","date_gmt":"2013-03-04T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteurs-a-effet-hall-basse-tension-a-sortie-numerique\/"},"modified":"2013-03-04T23:00:00","modified_gmt":"2013-03-04T23:00:00","slug":"capteurs-a-effet-hall-basse-tension-a-sortie-numerique","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteurs-a-effet-hall-basse-tension-a-sortie-numerique\/","title":{"rendered":"Capteurs \u00e0 effet Hall basse tension \u00e0 sortie num\u00e9rique"},"content":{"rendered":"<p>Le latch bipolaire &agrave; faible hyst&eacute;r&eacute;sis MLX92212LSE-AAA et le commutateur unipolaire &agrave; fort hyst&eacute;r&eacute;sis MLX92212LSE-ABA sont optimis&eacute;s pour un fonctionnement sous 2.5V &agrave; 5.5V, ce qui en fait des candidats id&eacute;aux pour une utilisation avec les nombreux microcontr&ocirc;leurs de faible puissance pr&eacute;sents dans les syst&egrave;mes embarqu&eacute;s. Le capteur et le microcontr&ocirc;leur sp&eacute;cifi&eacute; peuvent ainsi partager le m&ecirc;me rail d&rsquo;alimentation. Les sorties &agrave; drain ouvert de ces capteurs permettent une connectivit&eacute; simple avec la logique TTL\/CMOS. Ils pr&eacute;sentent une d&eacute;rive magn&eacute;tique minimale du point de commutation, en fonction de la temp&eacute;rature (jusqu&rsquo;&agrave; 150&deg;C) ou du vieillissement, et peuvent supporter des d&eacute;charges &eacute;lectrostatiques jusqu&rsquo;&agrave; 8kV.<\/p>\n<p>Le MLX92212LSE-AAA est con&ccedil;u pour &ecirc;tre utilis&eacute; avec des aimants annulaires multipolaires ou des champs magn&eacute;tiques alternatifs. Il est parfaitement adapt&eacute; &agrave; la commutation de moteurs &agrave; courant continu sans balais (BLDC), ainsi qu&rsquo;aux applications de tachym&egrave;tre ou d&rsquo;encodeur magn&eacute;tique. Les utilisations automobiles typiques sont notamment les l&egrave;ve-vitres anti-pincement et les syst&egrave;mes &eacute;lectriques de r&eacute;glage de si&egrave;ges. Le MLX92212LSE-ABA permet l&rsquo;utilisation d&rsquo;aimants g&eacute;n&eacute;riques ou plus faibles, ou avec des entrefers sup&eacute;rieurs. Il peut servir &agrave; la simple d&eacute;tection magn&eacute;tique de proximit&eacute;, aux inter-verrouillages de carters et de capots, ou encore les capteurs d&rsquo;interruption de ferro-vannes pour applications de positionnement pr&eacute;cis ou de synchronisation.<\/p>\n<p>Les deux types de MLX92212 utilisent des amplificateurs stabilis&eacute;s &agrave; condensateurs commut&eacute;s pour supprimer l&rsquo;offset g&eacute;n&eacute;ralement observ&eacute; avec les capteurs et amplificateurs &agrave; effet Hall. La technologie CMOS rend possible cette technique sophistiqu&eacute;e. Elle contribue &eacute;galement &agrave; la plus faible consommation de courant et la r&eacute;duction de taille des bo&icirc;tier (facteur important pour minimiser l&rsquo;impact des contraintes physiques). La combinaison de tous ces facteurs se traduit par des caract&eacute;ristiques magn&eacute;tiques plus stables, et permet de r&eacute;aliser des modules capteur plus rapides et plus pr&eacute;cis.<br \/>\nLes MLX92212 sont conditionn&eacute;s en bo&icirc;tiers CMS JEDEC 3 broches TSOT-23 sans-plomb et conformes RoHS.  <a target=\"_blank\" href=\"http:\/\/www.melexis.com\" title=\"www.melexis.com\" rel=\"noopener\"><br \/>\nwww.melexis.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Melexis vient d&rsquo;annoncer la famille MLX92212 de capteurs \u00e0 effet Hall \u00e0 sortie num\u00e9rique. Produits selon un processus CMOS avanc\u00e9, ces composants qualifi\u00e9s AEC-Q100 offrent des performances robustes de niveau automobile, \u00e0 prix comp\u00e9titifs. Ils n\u00e9cessitent \u00e9galement beaucoup moins de courant que les dispositifs concurrents du march\u00e9.<\/p>\n","protected":false},"author":22,"featured_media":226497,"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-226496","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteurs \u00e0 effet Hall basse tension \u00e0 sortie num\u00e9rique ...<\/title>\n<meta name=\"description\" content=\"Melexis vient d&#039;annoncer la famille MLX92212 de capteurs \u00e0 effet Hall \u00e0 sortie num\u00e9rique. 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