{"id":223789,"date":"2012-03-11T23:00:00","date_gmt":"2012-03-11T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-a-commande-par-bouton-poussoir\/"},"modified":"2012-03-11T23:00:00","modified_gmt":"2012-03-11T23:00:00","slug":"controleur-a-commande-par-bouton-poussoir","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-a-commande-par-bouton-poussoir\/","title":{"rendered":"Contr\u00f4leur \u00e0 commande par bouton-poussoir"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-left:0cm;line-height:115%\">Contrairement aux contr&ocirc;leurs &agrave; bouton-poussoir typique&nbsp;qui commandent la mise en marche d&rsquo;un syst&egrave;me par basculement d&rsquo;un bouton-poussoir, ce circuit met automatiquement en marche un syst&egrave;me quand une tension lui est appliqu&eacute;e &agrave; partir d&rsquo;une alimentation primaire ou secondaire, comme un adaptateur mural ou une batterie d&rsquo;automobile. &Agrave; la mise sous tension, il peut arr&ecirc;ter un syst&egrave;me via un bouton-poussoir et optionnellement peut utiliser un interrupteur logique pour demander l&rsquo;arr&ecirc;t d&rsquo;un syst&egrave;me dans des applications command&eacute;es &agrave; partir de menus (arr&ecirc;t &quot;doux&quot;), ou l&rsquo;arr&ecirc;ter automatiquement si l&rsquo;alimentation est enlev&eacute;e. Aucun code n&rsquo;est n&eacute;cessaire pour configurer le composant. Ce contr&ocirc;leur &agrave; bouton-poussoir, de forte tension, simple mais cependant configurable, pr&eacute;sente un ensemble commun d&rsquo;options de mise en Marche \/ Arr&ecirc;t d&rsquo;alimentation.<br \/>\nLa large gamme de tensions d&rsquo;entr&eacute;e, de 1,5V &agrave; 36 V, convient aux applications aliment&eacute;es sur un &eacute;l&eacute;ment de batterie, de plusieurs &eacute;l&eacute;ments de batterie et de forte tension, incluant les ordinateurs de bureau et bloc-notes, les produits &eacute;lectroniques grand public, les &eacute;lectroniques des instruments portables et de l&rsquo;automobile.<br \/>\nL&rsquo;entr&eacute;e &agrave; bouton-poussoir, durcie, supporte des variations d&rsquo;amplitudes jusqu&rsquo;&agrave; &plusmn;36 V et des pics de d&eacute;charges &eacute;lectrostatiques jusqu&rsquo;&agrave; &plusmn;25 kV. De plus, elle est con&ccedil;ue pour fonctionner en environnements bruit&eacute;s.<br \/>\nUne broche de mode de s&eacute;lection permet aux utilisateurs de choisir des combinaisons automatiques de mises en marche et d&rsquo;arr&ecirc;t et l&rsquo;autonomie de la batterie est maximis&eacute;e en raison du faible courant de repos de 1,2 &micro;A. La sortie&nbsp;de tension &eacute;tablie &quot;power good&quot;, la sortie interruption, et l&rsquo;entr&eacute;e de for&ccedil;age &agrave; l&rsquo;arr&ecirc;t offrent une interface simple avec un microprocesseur optionnel. Dans le cas o&ugrave; un microprocesseur ne r&eacute;pond pas &agrave; une demande d&rsquo;interruption, une minuterie r&eacute;glable d&rsquo;arr&ecirc;t permet de fixer la dur&eacute;e n&eacute;cessaire avant d&rsquo;activer un bouton poussoir afin de forcer &agrave; l&rsquo;arr&ecirc;t un syst&egrave;me.<br \/>\nCe contr&ocirc;leur est disponible dans les deux polarit&eacute;s possibles, positive pour le LTC2955-1 et n&eacute;gative pour le LTC2955-2, en bo&icirc;tier DFN de 3 x 2 mm dix broches ou ThinSOT de huit broches. Il est propos&eacute; dans les gammes de temp&eacute;ratures industrielles et commerciales.<\/p>\n<p class=\"MsoNormal\" style=\"margin-left:0cm;line-height:115%\"><a href=\"http:\/\/www.linear.com\/product\/LTC2955\" target=\"_blank\" title=\"www.linear.com\" rel=\"noopener\">www.linear.com\/pushbutton<\/a><span style=\"font-size:12.0pt;line-height:150%\"><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linear Technology pr\u00e9sente le LTC2955, un contr\u00f4leur \u00e0 commande Marche \/ Arr\u00eat par bouton-poussoir de tr\u00e8s faible consommation, capable de g\u00e9rer des alimentations de syst\u00e8mes aliment\u00e9s de 1,5 V \u00e0 36 V via une interface \u00e0 bouton-poussoir ou en pr\u00e9sence d\u2019une alimentation. <\/p>\n","protected":false},"author":22,"featured_media":223790,"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-223789","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur \u00e0 commande par bouton-poussoir ...<\/title>\n<meta name=\"description\" content=\"Linear Technology pr\u00e9sente le LTC2955, un contr\u00f4leur \u00e0 commande Marche \/ Arr\u00eat par bouton-poussoir de tr\u00e8s faible consommation, capable de g\u00e9rer des...\" \/>\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\/223789\/\" \/>\n<meta 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