{"id":183879,"date":"2017-02-01T23:03:00","date_gmt":"2017-02-01T23:03:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/gestionnaire-de-charge-de-batterie-60-v-haute-precision-a-interface-i2c\/"},"modified":"2017-02-01T23:03:00","modified_gmt":"2017-02-01T23:03:00","slug":"gestionnaire-de-charge-de-batterie-60-v-haute-precision-a-interface-i2c","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/gestionnaire-de-charge-de-batterie-60-v-haute-precision-a-interface-i2c\/","title":{"rendered":"Gestionnaire de charge de batterie 60 V haute pr\u00e9cision, \u00e0 interface I2C"},"content":{"rendered":"<p align=\"left\">V\u00e9ritable gestionnaire de charge, &nbsp;ce circuit mesure la charge, la tension, l\u2019intensit\u00e9 et la temp\u00e9rature avec une pr\u00e9cision de 1%, param\u00e8tres essentiels requis pour \u00e9valuer fiablement l\u2019\u00e9tat de charge de la batterie. Il est appropri\u00e9 aux applications aliment\u00e9es sur plusieurs \u00e9l\u00e9ments de batterie, incluant les v\u00e9hicules \u00e9lectriques, v\u00e9los&nbsp;\/ motos \/ scooters \u00e9lectriques, fauteuils roulants, voiturettes de golf, ainsi que les \u00e9quipements de sauvegarde&nbsp;sur batterie.<\/p>\n<p align=\"left\">Le courant de batterie est d\u00e9termin\u00e9 \u00e0 partir de la mesure de la tension aux bornes d\u2019une r\u00e9sistance externe de d\u00e9tection de courant, c\u00f4t\u00e9 haut, et en int\u00e9grant cette information pour en d\u00e9duire la charge. Un int\u00e9grateur analogique bidirectionnel re\u00e7oit la polarit\u00e9 du courant (de charge ou de d\u00e9charge de la batterie), et un diviseur pr\u00e9alable, programmable, autorise une large gamme de capacit\u00e9s de batterie.<br \/>\nLes informations relatives \u00e0 la charge, la tension, l\u2019intensit\u00e9 et la temp\u00e9rature sont communiqu\u00e9es au syst\u00e8me h\u00f4te via une interface deux fils compatible I<sup>2<\/sup>C \/ SMBus qui sert \u00e9galement pour la configuration du gestionnaire&nbsp;de charge. Ce dispositif h\u00f4te peut programmer les seuils de tension \u00e9lev\u00e9s et bas pour tous les param\u00e8tres mesur\u00e9s, qui, s\u2019ils sont d\u00e9clench\u00e9s, diffusent une alerte en utilisant soit le protocole d\u2019alerte du SMBus, soit en configurant un indicateur d\u2019\u00e9tat d\u2019un registre.<\/p>\n<p align=\"left\">Encapsul\u00e9 dans un petit bo\u00eetier DFN 8 broches, de 3 x 3mm, conforme \u00e0 la norme RoHS, ce circuit est propos\u00e9 en versions commerciale et industrielle, supportant des gammes de temp\u00e9ratures de fonctionnement respectives de 0 \u00e0 70 \u00b0C et \u201340 \u00b0C \u00e0 +85 \u00b0C.<\/p>\n<p align=\"left\"><a href=\"http:\/\/www.linear.com\/product\/LTC2944\" target=\"_blank\" rel=\"noopener\">www.linear.com\/product\/LTC2944<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pour les batteries d\u2019accumulateurs de 3,6 V \u00e0 60 V, le gestionnaire de charge LTC2944 de Linear Technology mesure directement les param\u00e8tres d\u2019\u00e9tat de charge avec une pr\u00e9cision de 1 %. Aucun circuit de d\u00e9calage de niveau sur les broches d\u2019alimentation et de mesure n\u2019est requis pour s\u2019adapter aux tensions des \u00e9l\u00e9ments, ainsi la consommation totale en courant est minimis\u00e9e et la pr\u00e9cision de mesure pr\u00e9serv\u00e9e.<\/p>\n","protected":false},"author":9,"featured_media":183880,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[909,890],"domains":[47],"ppma_author":[1141],"class_list":["post-183879","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-batteries-power-supplies-fr","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Gestionnaire de charge de batterie 60 V haute pr\u00e9cision, \u00e0 in...<\/title>\n<meta name=\"description\" content=\"Pour les batteries d\u2019accumulateurs de 3,6 V \u00e0 60 V, le gestionnaire de charge LTC2944 de Linear Technology mesure directement les param\u00e8tres d\u2019\u00e9tat de...\" \/>\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\/183879\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gestionnaire de charge de batterie 60 V haute pr\u00e9cision, \u00e0 interface I2C\" \/>\n<meta property=\"og:description\" content=\"Pour les batteries d\u2019accumulateurs de 3,6 V \u00e0 60 V, le gestionnaire de charge LTC2944 de Linear Technology mesure directement les param\u00e8tres d\u2019\u00e9tat de charge avec une pr\u00e9cision de 1 %. Aucun circuit de d\u00e9calage de niveau sur les broches d\u2019alimentation et de mesure n\u2019est requis pour s\u2019adapter aux tensions des \u00e9l\u00e9ments, ainsi la consommation totale en courant est minimis\u00e9e et la pr\u00e9cision de mesure pr\u00e9serv\u00e9e.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/183879\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-01T23:03:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci8322_linear_ltc2944.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1894\" \/>\n\t<meta property=\"og:image:height\" content=\"1353\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" 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