{"id":142966,"date":"2017-09-27T23:31:44","date_gmt":"2017-09-27T23:31:44","guid":{"rendered":"https:\/\/\/circuit-de-surveillance-de-consommation-ultra-precis\/"},"modified":"2017-09-27T23:31:44","modified_gmt":"2017-09-27T23:31:44","slug":"circuit-de-surveillance-de-consommation-ultra-precis","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-de-surveillance-de-consommation-ultra-precis\/","title":{"rendered":"Circuit de surveillance de consommation ultra pr\u00e9cis"},"content":{"rendered":"<p>Le circuit int\u00e9gr\u00e9 <a href=\"http:\/\/www.microchip.com\/wwwproducts\/en\/PAC1934\">PAC1934<\/a> fonctionne avec un pilote logiciel de Microchip enti\u00e8rement compatible avec le moteur d\u2019estimation de la consommation E3 (Energy Estimation Engine) int\u00e9gr\u00e9 au syst\u00e8me d\u2019exploitation Windows&nbsp;10, pour offrir une pr\u00e9cision de 99&nbsp;% sur tous les appareils Windows&nbsp;10 aliment\u00e9s par batterie. L\u2019association de la puce PAC1934 de Microchip, du pilote Windows&nbsp;10 et du service E3 de Microsoft permet d\u2019am\u00e9liorer la mesure de l\u2019utilisation de la batterie \u00e0 partir de diff\u00e9rentes applications, d\u2019environ 29&nbsp;%.<\/p>\n<p>Le circuit int\u00e9gr\u00e9 PAC1934 est con\u00e7u pour mesurer les rails de tension compris entre 0&nbsp;V au minimum et 32&nbsp;V au maximum. Cette capacit\u00e9 permet \u00e0 la puce de mesurer l\u2019utilisation de l\u2019alimentation avec pr\u00e9cision, depuis les t\u00e2ches effectu\u00e9es par le processeur (CPU) jusqu\u2019\u00e0 la consommation de tous les appareils connect\u00e9s par l\u2019interm\u00e9diaire d\u2019un connecteur USB Type-C. La puce PAC1934 est un composant \u00e0 quatre canaux avec des capacit\u00e9s de mesure de l\u2019alimentation 16&nbsp;bits et un registre d\u2019accumulation sup\u00e9rieur \u00e0 17&nbsp;minutes, ce qui en fait le CI id\u00e9al pour d\u00e9terminer la consommation et l\u2019utilisation d\u2019\u00e9nergie sans avoir besoin d\u2019ajuster la plage de tension ou de courant. Ce circuit est \u00e9galement dot\u00e9 de capacit\u00e9s permettant de l\u2019int\u00e9grer lors des mises \u00e0 jours logicielles futures. Gr\u00e2ce \u00e0 sa capacit\u00e9 de mesure bidirectionnelle lui permettant de mesurer le chargement et le d\u00e9chargement de la batterie, le PAC1934 se r\u00e9v\u00e8le id\u00e9al pour les topologies futures de chargement USB Type-C, appel\u00e9es \u00e0 \u00eatre davantage d\u00e9velopp\u00e9es pour une utilisation plus large.&nbsp;<\/p>\n<p>En outre, le composant joue le r\u00f4le d\u2019un capteur de courant standard, sur la tension d\u2019alimentation (connexion \u00ab&nbsp;high side&nbsp;\u00bb), pour les applications de type serveur, de mise en r\u00e9seau, automobiles ou industrielles. Microchip travaille \u00e9galement activement \u00e0 d\u00e9velopper la compatibilit\u00e9 Linux du PAC1934 pour diff\u00e9rentes applications.<\/p>\n<p><a href=\"http:\/\/www.microchip.com\/PAC1934\">www.microchip.com\/PAC1934<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microchip annonce le lancement imm\u00e9diat d\u2019une puce de surveillance ultra pr\u00e9cise de la consommation \u00e9nerg\u00e9tique et de l\u2019alimentation.<\/p>\n","protected":false},"author":9,"featured_media":142967,"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-142966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit de surveillance de consommation ultra pr\u00e9cis ...<\/title>\n<meta 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