{"id":63066,"date":"2020-02-26T14:31:44","date_gmt":"2020-02-26T14:31:44","guid":{"rendered":"https:\/\/\/thermistances-lineaires-compactes\/"},"modified":"2020-02-26T14:31:44","modified_gmt":"2020-02-26T14:31:44","slug":"thermistances-lineaires-compactes","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/thermistances-lineaires-compactes\/","title":{"rendered":"Thermistances lin\u00e9aires compactes"},"content":{"rendered":"<p>Les thermistances CTN sont largement utilis\u00e9es en raison de leur prix abordable. Cependant, elles&nbsp;posent un certain nombre de difficult\u00e9s aux ing\u00e9nieurs, parmi lesquelles une baisse des performances \u00e0&nbsp;des temp\u00e9ratures extr\u00eames et un \u00e9talonnage complexe qui allonge le temps de conception. Les nouvelles&nbsp;thermistances lin\u00e9aires de TI sont propos\u00e9es \u00e0 un prix \u00e9quivalent, tout en proposant de nets avantages \u2013&nbsp;en particulier,&nbsp;elles&nbsp;r\u00e9duisent la dur\u00e9e de conception du syst\u00e8me, le nombre de composants n\u00e9cessaires, et&nbsp;am\u00e9liorent les performances.<\/p>\n<p><strong><u>Am\u00e9lioration des performances et de la fiabilit\u00e9 des syst\u00e8mes<\/u><\/strong><\/p>\n<p>Les nouvelles thermistances de TI effectuent des mesures fiables, extr\u00eamement pr\u00e9cises, notamment \u00e0&nbsp;des temp\u00e9ratures sup\u00e9rieures \u00e0 80 \u00b0C. C&rsquo;est particuli\u00e8rement important sur des applications industrielles,&nbsp;automobiles ou grand public dont les performances ou la s\u00e9curit\u00e9 d\u00e9pendent de relev\u00e9s thermiques&nbsp;exacts en temps r\u00e9el. Pour en savoir plus sur les diff\u00e9rences entre les thermistances CTN et les&nbsp;thermistances lin\u00e9aires de TI, consultez le livre blanc \u00ab Mesurer la temp\u00e9rature \u00e0 l&rsquo;aide de&nbsp;thermistances \u00bb.<\/p>\n<p>Les thermistances CTN sont moins pr\u00e9cises dans leurs mesures, \u00e0 cause de leur faible sensibilit\u00e9 et leur&nbsp;tol\u00e9rance de r\u00e9sistance \u00e9lev\u00e9e \u00e0 des temp\u00e9ratures extr\u00eames. Pour compenser, de nombreux ing\u00e9nieurs&nbsp;effectuent l&rsquo;\u00e9talonnage en trois points diff\u00e9rents de la plage thermique, ou utilisent plusieurs&nbsp;thermistances pour surveiller diff\u00e9rentes plages. Mais ces approches sont malgr\u00e9 tout susceptibles de&nbsp;fournir des mesures peu fiables, sur la base desquelles les syst\u00e8mes peuvent d\u00e9sactiv\u00e9s avant d&rsquo;avoir&nbsp;atteint leur limite thermique r\u00e9elle.Le caract\u00e8re lin\u00e9aire et la grande pr\u00e9cision des thermistances de TI&nbsp;permettent un \u00e9talonnage en un seul point, qui optimise les performances du syst\u00e8me et en simplifie la&nbsp;conception.<\/p>\n<p>Elles affichent \u00e9galement une d\u00e9rive typique tr\u00e8s faible, de 0,5 %, am\u00e9liorant ainsi la fiabilit\u00e9 des&nbsp;mesures de temp\u00e9rature pour permettre aux ing\u00e9nieurs de d\u00e9cupler les performances de leurs syst\u00e8mes&nbsp;tout en garantissant un fonctionnement s\u00fbr. Gr\u00e2ce \u00e0 l&rsquo;outil de conception de thermistances de TI,&nbsp;disponible sur les pages de produit et les fiches techniques du site TI.com, ils peuvent calculer&nbsp;rapidement et ais\u00e9ment les valeurs de r\u00e9sistance thermique et entamer leur travail de conception \u00e0 partir&nbsp;d&rsquo;exemples de m\u00e9thodes de conversion et de code.<\/p>\n<p><a href=\"http:\/\/www.ti.com\/thermistance-pr\">www.ti.com\/thermistance-p<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Texas Instruments \u00e9toffe son portefeuille de capteurs de temp\u00e9rature avec des thermistances lin\u00e9aires 50 % plus pr\u00e9cises que les thermistances \u00e0 coefficient de temp\u00e9rature n\u00e9gatif (CTN). Elles permettent de faire fonctionner un syst\u00e8me jusqu&rsquo;\u00e0 une temp\u00e9rature plus proche de la limite support\u00e9e par les autres composants et par l&rsquo;ensemble, aidant ainsi les ing\u00e9nieurs \u00e0 optimiser les performances tout en r\u00e9duisant le nombre de composants et le co\u00fbt total de leur solution.<\/p>\n","protected":false},"author":9,"featured_media":63067,"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-63066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Thermistances lin\u00e9aires compactes ...<\/title>\n<meta name=\"description\" content=\"Texas Instruments \u00e9toffe son portefeuille de capteurs de temp\u00e9rature avec des thermistances lin\u00e9aires 50 % plus pr\u00e9cises que les thermistances \u00e0...\" \/>\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\/63066\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Thermistances lin\u00e9aires compactes\" \/>\n<meta property=\"og:description\" content=\"Texas Instruments \u00e9toffe son portefeuille de capteurs de temp\u00e9rature avec des thermistances lin\u00e9aires 50 % plus pr\u00e9cises que les thermistances \u00e0 coefficient de temp\u00e9rature n\u00e9gatif (CTN). Elles permettent de faire fonctionner un syst\u00e8me jusqu&#039;\u00e0 une temp\u00e9rature plus proche de la limite support\u00e9e par les autres composants et par l&#039;ensemble, aidant ainsi les ing\u00e9nieurs \u00e0 optimiser les performances tout en r\u00e9duisant le nombre de composants et le co\u00fbt total de leur solution.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/63066\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2020-02-26T14:31:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/test.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8462_ti.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2100\" \/>\n\t<meta property=\"og:image:height\" content=\"1182\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta 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