{"id":109546,"date":"2018-09-13T22:01:44","date_gmt":"2018-09-13T22:01:44","guid":{"rendered":"https:\/\/\/superviseurs-de-precision-%c2%b10-5-pour-des-composants-tres-basse-tension\/"},"modified":"2018-09-13T22:01:44","modified_gmt":"2018-09-13T22:01:44","slug":"superviseurs-de-precision-%c2%b10-5-pour-des-composants-tres-basse-tension","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/superviseurs-de-precision-%c2%b10-5-pour-des-composants-tres-basse-tension\/","title":{"rendered":"Superviseurs de pr\u00e9cision \u00b10.5% pour des composants tr\u00e8s basse tension"},"content":{"rendered":"<p>Les architectures \u00e0 base d\u2019ASIC, FPGA, DSP, MCU&nbsp;et&nbsp;MPU,qui fonctionnent sur des alimentations&nbsp;aussi basses que&nbsp;1V, ne peuvent pas utiliser des superviseurs de tension traditionnels de pr\u00e9cision&nbsp;1%-2%&nbsp;sans perte importante des marges de tension du syst\u00e8me et r\u00e9duire&nbsp;la plage de tensions de fonctionnement des circuits consommateurs. La famille&nbsp;LTC2962&nbsp;pr\u00e9sente la meilleure pr\u00e9cision du seuil de r\u00e9initialisation de&nbsp;\u00b10.5%, ce qui att\u00e9nue les demandes en alimentation, accro\u00eet la&nbsp;r\u00e9sistance du syst\u00e8me aux signaux transitoires et permet une alimentation de tension nominale plus basse afin de r\u00e9duire fortement la consommation en puissance. La famille LTC2962&nbsp;r\u00e9pond&nbsp;\u00e0&nbsp;de&nbsp;nombreusesexigences des&nbsp;r\u00e9seaux, des t\u00e9l\u00e9communications et de l\u2019automobile, gr\u00e2ce \u00e0 sa grande pr\u00e9cision, sa plage de&nbsp;seuils de r\u00e9initialisation&nbsp;pr\u00e9d\u00e9finis&nbsp;de 1V \u00e0 5V&nbsp;(ou r\u00e9glables)&nbsp;et \u00e0 une&nbsp;large&nbsp;plage de temp\u00e9ratures de fonctionnement.&nbsp;<\/p>\n<p>Un ensemble unique de fonctionnalit\u00e9s d\u00e9marque la famille&nbsp;LTC2962&nbsp;sur le march\u00e9 du superviseur de tension basse puissance, ce qui en fait un excellent choix pour de nombreuses applications multitensions.&nbsp;Pour chacun des canaux, l\u2019utilisateur peut choisir un seuil de tension parmi les 16 seuils de tension fixes ou r\u00e9glables, pr\u00e9cis \u00e0&nbsp;\u00b10.5%, pour superviser une sous-tension, une surtension ou une tension n\u00e9gative. Les circuits de supervision g\u00e8rent les entr\u00e9es et contr\u00f4lent les sorties en fonction des seuils d\u00e9sir\u00e9s. Sinon, une entr\u00e9e de r\u00e9initialisation manuelle est \u00e9galement disponible,&nbsp;en utilisant un bouton-poussoir commutateur pour forcer la r\u00e9initialisation du syst\u00e8me.&nbsp;Les options de commande comprennent une minuterie de chien de garde r\u00e9glable&nbsp;(LTC2963-1)&nbsp;et des sorties, \u00e0 drain ouvert, d\u2019un comparateur individuel pour chaque canal&nbsp;(LTC2964).&nbsp;Une dur\u00e9e de temporisation, r\u00e9glable, est \u00e9galement disponible sur tous ces composants.&nbsp;&nbsp;<\/p>\n<p><a href=\"http:\/\/www.analog.com\/LTC2962?adicid=PRLS_EU_P69585\">www.analog.com\/LTC2962<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analog Devices annonce la famille de superviseurs quatre canaux Power by Linear LTC2962-LTC2964. D\u2019une pr\u00e9cision remarquable, ils sont destin\u00e9s \u00e0 accro\u00eetre les marges de tension et am\u00e9liorer la fiabilit\u00e9 d\u2019un syst\u00e8me. <\/p>\n","protected":false},"author":9,"featured_media":109547,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-109546","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Superviseurs de pr\u00e9cision \u00b10.5% pour des composants tr\u00e8s bas...<\/title>\n<meta name=\"description\" content=\"Analog Devices annonce la famille de superviseurs quatre canaux Power by Linear LTC2962-LTC2964. 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D\u2019une pr\u00e9cision remarquable, ils sont destin\u00e9s \u00e0 accro\u00eetre les marges de tension et am\u00e9liorer la fiabilit\u00e9 d\u2019un syst\u00e8me.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/109546\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2018-09-13T22:01:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci6578_analog_ltc2962ltc2964.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"1250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" 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