{"id":231748,"date":"2014-12-11T23:00:00","date_gmt":"2014-12-11T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteur-magnetique-3-axes-parametrable-par-logiciel\/"},"modified":"2014-12-11T23:00:00","modified_gmt":"2014-12-11T23:00:00","slug":"capteur-magnetique-3-axes-parametrable-par-logiciel","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteur-magnetique-3-axes-parametrable-par-logiciel\/","title":{"rendered":"Capteur magn\u00e9tique 3 axes, param\u00e9trable par logiciel"},"content":{"rendered":"<p>Ce capteur ultra-compact et 100% programmable est capable de mesurer avec pr&eacute;cision les variations de densit&eacute; de flux magn&eacute;tique selon les axes X, Y et Z. Bien adapt&eacute; aux applications micro-puissance, il ne draine que 2.5 &micro;A lorsqu&rsquo;il est au repos. Il fait appel &agrave; un arrangement de pixels magn&eacute;tiques monolithique et dispose d&rsquo;une sortie &agrave; r&eacute;solution 16 bits.<br \/>\nGr&acirc;ce &agrave; ses interfaces SPI et I2C, les concepteurs peuvent acc&eacute;der &agrave; ses diff&eacute;rents modes op&eacute;rationnels, continu, mesure simple, r&eacute;veil sur modification ou mode rafale. En outre, les param&egrave;tres du dispositif peuvent &ecirc;tre ajust&eacute;s en cours de fonctionnement, en fonction des besoins de l&rsquo;application.<br \/>\nLe coefficient d&rsquo;utilisation du mode rafale est programmable entre 0.1% et 100%. L&rsquo;augmenter permet de supporter certaines applications &agrave; r&eacute;ponse rapide. A l&rsquo;inverse, un coefficient plus faible assure une meilleure ma&icirc;trise de la consommation, le tout sous une tension d&rsquo;alimentation pouvant descendre &agrave; 2.2 V.<br \/>\n&quot;Il n&rsquo;est pas difficile de trouver des capteurs magn&eacute;tiques sur le march&eacute; avec des plages de d&eacute;tection lin&eacute;aires jusqu&rsquo;&agrave; &plusmn;2 mT, notamment pour les applications de type compas. Cependant, le MLX90393 est le premier magn&eacute;tom&egrave;tre 3D offrant une sensibilit&eacute; lin&eacute;aire sur une plage allant &plusmn;5 mT &agrave; &plusmn;50 mT, param&eacute;trable sur 16 bits. Ceci en fait un candidat id&eacute;al pour la d&eacute;tection de position, et constitue l&rsquo;un des points forts de la technologie &agrave; effet Hall int&eacute;gr&eacute;e,&quot; explique Bruno Boury, Responsable de la gamme de produits D&eacute;tection magn&eacute;tique, chez Melexis.\n<\/p>\n<hr \/>\n<p>&quot;Ce dispositif ouvre la voie &agrave; une foule de nouvelles possibilit&eacute;s pour la conception de syst&egrave;mes de d&eacute;tection grand-public ou industriels,&quot; poursuit-il. &quot;Il est capable d&rsquo;effectuer des mesures de champ magn&eacute;tique pr&eacute;cises, selon les axes X, Y et Z, ainsi que des mesures de temp&eacute;rature T, ou toute autre combinaison de ces valeurs. Il permet de faire des compromis entre consommation d&rsquo;&eacute;nergie, rapidit&eacute; et int&eacute;grit&eacute; du signal. La multitude d&rsquo;options qu&rsquo;autorisent ses nombreuses fonctions programmables, donnent &agrave; ce dispositif une souplesse hors du commun.&quot;<br \/>\nPr&eacute;sent&eacute; en bo&icirc;tier QFN de 3 x 3 mm, ce capteur fonctionne dans toute la plage de temp&eacute;rature allant de -40 &deg;C &agrave; +85 &deg;C. <\/p>\n<\/p>\n<p><a href=\"http:\/\/www.melexis.com\" target=\"_blank\" title=\"www.melexis.com\" rel=\"noopener\">www.melexis.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bas\u00e9 sur la technologie propri\u00e9taire Triaxis, le capteur magn\u00e9tique programmable MLX90393 de Melexis offre des possibilit\u00e9s quasi-illimit\u00e9es pour l&rsquo;impl\u00e9mentation d&rsquo;interfaces HMI, qu&rsquo;il s&rsquo;agisse de g\u00e9rer un joystick, des curseurs lin\u00e9aires, des commutateurs \u00e0 bouton, des r\u00e9glages de niveau, des commutateurs \u00e0 glissi\u00e8re ou des molettes rotatives, jusqu&rsquo;\u00e0 des syst\u00e8mes de d\u00e9tection de position 3D.<\/p>\n","protected":false},"author":22,"featured_media":231749,"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-231748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteur magn\u00e9tique 3 axes, param\u00e9trable par logiciel ...<\/title>\n<meta name=\"description\" content=\"Bas\u00e9 sur la technologie propri\u00e9taire Triaxis, le capteur magn\u00e9tique programmable MLX90393 de Melexis offre des possibilit\u00e9s quasi-illimit\u00e9es pour...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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