{"id":231116,"date":"2014-10-05T22:00:00","date_gmt":"2014-10-05T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/gestionnaire-denergie-de-0-a-100-v-avec-i2c-smbus\/"},"modified":"2014-10-05T22:00:00","modified_gmt":"2014-10-05T22:00:00","slug":"gestionnaire-denergie-de-0-a-100-v-avec-i2c-smbus","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/gestionnaire-denergie-de-0-a-100-v-avec-i2c-smbus\/","title":{"rendered":"Gestionnaire d\u2019\u00e9nergie de 0 \u00e0 100 V avec I2C\/SMBus"},"content":{"rendered":"<p>Une sortie d&rsquo;alerte signale quand les mesures d&eacute;passent les seuils d&rsquo;alerte programmables, ce qui all&egrave;ge l&rsquo;h&ocirc;te de lourdes s&eacute;quences d&rsquo;interrogation sur les donn&eacute;es. Un CAN 12 bits int&eacute;gr&eacute;, de pr&eacute;cision &plusmn;0,4%, avec une base de temps de pr&eacute;cision externe (quartz ou horloge), autorise une pr&eacute;cision de mesure meilleure que &plusmn;0,6% pour l&rsquo;intensit&eacute; et la charge, et de &plusmn;1% pour la puissance et l&rsquo;&eacute;nergie. Une base de temps interne, &agrave; &plusmn;5%, suppl&eacute;e en cas de vacance d&rsquo;une externe.<br \/>\nLe contr&ocirc;leur peut &ecirc;tre directement aliment&eacute; de 2,7 V &agrave; 5 V &agrave; partir de 4 V &agrave; 100 V via un r&eacute;gulateur lin&eacute;aire interne ou, au-del&agrave; de 100 V, via un r&eacute;gulateur shunt interne. Deux des trois broches d&rsquo;usage g&eacute;n&eacute;ral (GPIO) d&rsquo;entr&eacute;e\/sortie peuvent &ecirc;tre configur&eacute;es en une sortie de validation d&rsquo;accumulateur et d&rsquo;alerte. Le CAN interne fonctionne soit en mode balayage continu soit en mode instantan&eacute; &agrave; la demande. A l&rsquo;arr&ecirc;t, la consommation du composant chute de 900 &micro;A &agrave; 15 &micro;A.<br \/>\nCe circuit donne acc&egrave;s &agrave; tous les param&egrave;tres n&eacute;cessaires &agrave; la d&eacute;termination et la gestion pr&eacute;cises du niveau de consommation d&rsquo;&eacute;nergie de la carte. De plus, sa large gamme de fonctionnement le rend appropri&eacute; &agrave; la gestion de consommation d&rsquo;&eacute;nergie de la carte dans les serveurs lames, les &eacute;quipements de t&eacute;l&eacute;communications, solaires et industriels et les cartes mezzanines avanc&eacute;es (AMC).<br \/>\nD&eacute;clin&eacute; en deux versions, l&rsquo;interface I2C du LTC2946 poss&egrave;de des broches SDA s&eacute;par&eacute;es d&rsquo;entr&eacute;e et de sortie pour une isolation de l&rsquo;interface I2C standard ou par photocoupleur, tandis que sa variante LTC2946-1 poss&egrave;de une broche de sortie inverseuse pour les configurations inverseuses &agrave; isolation par photocoupleur. Sp&eacute;cifi&eacute;es sur les gammes de temp&eacute;ratures commerciales, industrielles, de l&rsquo;automobile et du militaire, ces deux versions sont pr&eacute;sent&eacute;es en bo&icirc;tiers de 16 broches MSOP et DFN, de 4 x 3 mm. <\/p>\n<\/p>\n<p><a title=\"www.linear.com\/product\/ltc2946\" target=\"_blank\" href=\"http:\/\/www.linear.com\/product\/ltc2946\" rel=\"noopener\">www.linear.com\/product\/ltc2946<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le contr\u00f4leur de puissance, de tension et d\u2019\u00e9nergie, c\u00f4t\u00e9 haut ou c\u00f4t\u00e9 bas, LTC2946 de Linear Technology couvre la gamme de tensions d\u2019alimentation continue de 0 \u00e0 100 V. Toutes les lectures de donn\u00e9es num\u00e9riques, incluant les valeurs minimales et maximales de tension, intensit\u00e9 et puissance, sont stock\u00e9es dans des registres accessibles via une interface I2C\/SMBus.<\/p>\n","protected":false},"author":22,"featured_media":231117,"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-231116","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Gestionnaire d\u2019\u00e9nergie de 0 \u00e0 100 V avec I2C\/SMBus ...<\/title>\n<meta name=\"description\" content=\"Le contr\u00f4leur de puissance, de tension et d\u2019\u00e9nergie, c\u00f4t\u00e9 haut ou c\u00f4t\u00e9 bas, LTC2946 de Linear Technology couvre la gamme de tensions d\u2019alimentation...\" \/>\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\/231116\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gestionnaire d\u2019\u00e9nergie de 0 \u00e0 100 V avec I2C\/SMBus\" \/>\n<meta property=\"og:description\" content=\"Le contr\u00f4leur de puissance, de tension et d\u2019\u00e9nergie, c\u00f4t\u00e9 haut ou c\u00f4t\u00e9 bas, LTC2946 de Linear Technology couvre la gamme de tensions d\u2019alimentation continue de 0 \u00e0 100 V. Toutes les lectures de donn\u00e9es num\u00e9riques, incluant les valeurs minimales et maximales de tension, intensit\u00e9 et puissance, sont stock\u00e9es dans des registres accessibles via une interface I2C\/SMBus.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/231116\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2014-10-05T22:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/import\/eci6980_linear_ltc2946.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2065\" \/>\n\t<meta property=\"og:image:height\" content=\"1475\" \/>\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 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