{"id":229848,"date":"2014-04-24T22:00:00","date_gmt":"2014-04-24T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/sextuple-superviseur-de-tension-programmable-a-eeprom-integree\/"},"modified":"2014-04-24T22:00:00","modified_gmt":"2014-04-24T22:00:00","slug":"sextuple-superviseur-de-tension-programmable-a-eeprom-integree","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/sextuple-superviseur-de-tension-programmable-a-eeprom-integree\/","title":{"rendered":"Sextuple superviseur de tension programmable \u00e0 EEPROM int\u00e9gr\u00e9e"},"content":{"rendered":"<h1>Ainsi, les utilisateurs peuvent configurer rapidement le composant et revoir les dysfonctionnements ou l&rsquo;historique des perturbations via l&rsquo;interface utilisateur graphique LTpowerPLAY facile d&rsquo;utilisation. La gestion de la tension des six canaux, incluant un canal de forte tension, offre le choix des gammes de tension d&rsquo;entr&eacute;e avec une pr&eacute;cision du seuil de tension garantie &agrave; 1% en fonction de la temp&eacute;rature. Cette pr&eacute;cision serr&eacute;e r&eacute;duit les marges de tension requises par le syst&egrave;me par rapport &agrave; des syst&egrave;mes moins pr&eacute;cis.<\/h1>\n<p>Chaque canal peut &ecirc;tre programm&eacute; &agrave; l&rsquo;un des 256 seuils de tension disponibles en cas de surtension (OV) et de sous-tension (UV) ou d&rsquo;alerte qui peuvent &ecirc;tre d&eacute;sactiv&eacute;s pour des demandes de marges de tension. Ce composant &agrave; haute possibilit&eacute; de configurations pr&eacute;sente deux entr&eacute;es d&rsquo;usage g&eacute;n&eacute;ral (GPI) qui peuvent &ecirc;tre configur&eacute;es en r&eacute;initialisation manuelle, trois broches d&rsquo;usage g&eacute;n&eacute;ral (GPIO) configurables en entr&eacute;es ou en sorties ind&eacute;pendamment les unes des autres. Par exemple, les broches peuvent &ecirc;tre configur&eacute;es en sortie signal d&rsquo;alerte ou de faute. Celles d&eacute;finies en signaux de fautes peuvent &ecirc;tre programm&eacute;es avec un d&eacute;clenchement temporis&eacute;. Les types de sortie et de polarit&eacute; sont &eacute;galement configurables. La sortie type drain ouvert, ou utilisant une grande r&eacute;sistance, celles de polarit&eacute; et de r&eacute;ponse &agrave; d&eacute;clenchement temporis&eacute; peuvent &ecirc;tre aussi s&eacute;lectionn&eacute;es s&eacute;par&eacute;ment pour n&rsquo;importe quelles broches GPIO. Une tension de sortie bien r&eacute;gul&eacute;e &agrave; 3,3 V permet de g&eacute;rer des alimentations n&eacute;gatives. Trois adresses I2C, s&eacute;lectionnables via une broche, sont &eacute;galement disponibles.\n<\/p>\n<hr \/>\n<p>Ce circuit est con&ccedil;u pour accro&icirc;tre la fiabilit&eacute; du syst&egrave;me dans les applications comprenant des serveurs de r&eacute;seaux, le stockage de donn&eacute;es, les &eacute;quipements de t&eacute;l&eacute;communications, le contr&ocirc;le industriel et les syst&egrave;mes &agrave; ordinateur de grande disponibilit&eacute;. Il utilise une EEPROM pour stocker les donn&eacute;es de configuration. Test&eacute;e sur toute la gamme de temp&eacute;rature, cette m&eacute;moire garantit une r&eacute;tention de donn&eacute;es d&rsquo;au moins 10 ans.<br \/>\nLes versions commerciales et industrielles de ce superviseur supportent respectivement les gammes de temp&eacute;rature de fonctionnement de 0 &agrave; +70 &deg;C et de -40 &deg;C &agrave; +85 &deg;C. Le composant est pr&eacute;sent&eacute; en petit bo&icirc;tier DFN 16 broches, de 5 x 4 mm, conforme &agrave; la norme RoHS, ou en bo&icirc;tier &eacute;troit SSOP de 16 broches.<\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/LTC2933\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc2933\" rel=\"noopener\">www.linear.com\/product\/LTC2933<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Assurant la gestion pr\u00e9cise et simultan\u00e9e de six lignes de tension allant de 0,2 V \u00e0 13,9 V, le superviseur de tension programmable LTC2933 de Linear Technology int\u00e8gre une EEPROM. Sans r\u00e9sistances externes pour fixer les seuils de tensions, ce circuit offre une interface I2C\/SMBUS pour acc\u00e9der \u00e0 sa m\u00e9moire de la carte. <\/p>\n","protected":false},"author":22,"featured_media":229849,"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-229848","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Sextuple superviseur de tension programmable \u00e0 EEPROM int\u00e9gr\u00e9e ...<\/title>\n<meta name=\"description\" content=\"Assurant la gestion pr\u00e9cise et simultan\u00e9e de six lignes de tension allant de 0,2 V \u00e0 13,9 V, le superviseur de tension programmable LTC2933 de Linear...\" \/>\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\/229848\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sextuple superviseur de tension programmable \u00e0 EEPROM int\u00e9gr\u00e9e\" \/>\n<meta property=\"og:description\" content=\"Assurant la gestion pr\u00e9cise et simultan\u00e9e de six lignes de tension allant de 0,2 V \u00e0 13,9 V, le superviseur de tension programmable LTC2933 de Linear Technology int\u00e8gre une EEPROM. Sans r\u00e9sistances externes pour fixer les seuils de tensions, ce circuit offre une interface I2C\/SMBUS pour acc\u00e9der \u00e0 sa m\u00e9moire de la carte.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/229848\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-04-24T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6853_linear_ltc2933.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1383\" \/>\n\t<meta property=\"og:image:height\" content=\"988\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"eeNews Europe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"eeNews Europe\" \/>\n\t<meta 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