{"id":222863,"date":"2011-11-04T23:00:00","date_gmt":"2011-11-04T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/memoire-a-interface-duale-a-recuperation-denergie\/"},"modified":"2011-11-04T23:00:00","modified_gmt":"2011-11-04T23:00:00","slug":"memoire-a-interface-duale-a-recuperation-denergie","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/memoire-a-interface-duale-a-recuperation-denergie\/","title":{"rendered":"M\u00e9moire \u00e0 interface duale \u00e0 r\u00e9cup\u00e9ration d&rsquo;\u00e9nergie"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">Ce circuit int&eacute;gr&eacute; m&eacute;moire sans contact RFID\/NFC est capable de capturer une quantit&eacute; d&rsquo;&eacute;nergie suffisante pour alimenter de petits appareils &eacute;lectroniques et les dispenser de batterie. La technologie de r&eacute;cup&eacute;ration d&rsquo;&eacute;nergie (energy harvesting) convertit l&rsquo;&eacute;nergie ambiante captur&eacute;e dans l&rsquo;environnement imm&eacute;diat en une &eacute;nergie &eacute;lectrique. Cette &eacute;nergie ambiante est disponible sous diff&eacute;rentes formes, qu&rsquo;il s&rsquo;agisse des ondes radio, des d&eacute;perditions de chaleur, de l&rsquo;&eacute;nergie cin&eacute;tique produite par les mouvements de l&rsquo;utilisateur, ou encore de l&rsquo;&eacute;nergie &eacute;olienne ou solaire. Disponible gratuitement, elle ne produit aucune &eacute;mission de CO2 ou autre. Son utilisation &eacute;vite par ailleurs aux concepteurs de recourir &agrave; des sources d&rsquo;&eacute;nergie classiques, batteries ou alimentation externe, qui augmentent les co&ucirc;ts, imposent des contraintes de dimensions ou de poids, et peuvent rendre l&rsquo;installation plus complexe. <\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">Cette m&eacute;moire dispose d&rsquo;une interface I&sup2;C basse consommation, ainsi que d&rsquo;une interface RF sans contact RFID &agrave; 16,56 MHz conforme &agrave; la norme ISO 15693. Cette interface RF permet de capturer des ondes radio ambiantes &eacute;mises par des syst&egrave;mes de lecture-&eacute;criture RFID et de les convertir en une tension de sortie de 1,7 et 2,3 V qui peut &ecirc;tre utilis&eacute;e pour alimenter d&rsquo;autres composants &eacute;lectroniques. Le mode de capture d&rsquo;&eacute;nergie peut &ecirc;tre activ&eacute; ou d&eacute;sactiv&eacute;, et le courant de sortie maximum &ecirc;tre fix&eacute; entre 300 &mu;A et 6 mA en intervenant sur les param&egrave;tres accessibles dans un registre interne. Gr&acirc;ce &agrave; ses capacit&eacute;s de capture d&rsquo;&eacute;nergie, ces EEPROM permettent de r&eacute;aliser de nouveaux types de produits &eacute;lectroniques miniatures. Entre autres applications potentielles figurent les syst&egrave;mes documentaires &eacute;lectroniques (e-paper), tels que l&rsquo;&eacute;tiquetage &eacute;lectronique sur &eacute;tag&egrave;res, les syst&egrave;mes d&rsquo;automatisation industrielle, de d&eacute;tection et de surveillance, ou les appareils de sant&eacute; personnels. <\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\">&laquo; Cette m&eacute;moire pionni&egrave;re renforce notre portefeuille de m&eacute;moires EEPROM &agrave; interface duale avec de nouvelles options de densit&eacute; m&eacute;moire. Gr&acirc;ce &agrave; la possibilit&eacute; de capturer de l&rsquo;&eacute;nergie g&eacute;n&eacute;r&eacute;e dans son environnement, elle permet de cr&eacute;er des applications in&eacute;dites pour applications &eacute;lectroniques intelligentes &raquo;, d&eacute;clare Benoit Rodrigues, directeur g&eacute;n&eacute;ral de la division M&eacute;moires de ST. &laquo; Ce nouveau produit &eacute;toffe par ailleurs la gamme de solutions green energy d&eacute;velopp&eacute;es par ST pour les produits de haute technologie innovants qui contribuent &agrave; la durabilit&eacute; et &agrave; la qualit&eacute; de vie des consommateurs &raquo;. <\/p>\n<p>La m&eacute;moire M24LR16E est propos&eacute;e en volume conditionn&eacute;e en bo&icirc;tier SO8, TSSOP8 ou MLP8 pour montage en surface mais est &eacute;galement disponible sur demande sous forme de puce nue.<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt\"><a title=\"www.st.com\" target=\"_parent\" href=\"http:\/\/www.st.com\" rel=\"noopener\">www.st.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La famille de m\u00e9moires \u00e0 interface duale de STMicroelectronics s\u2019enrichit du mod\u00e8le \u00e0 16 kilobits M24LR16E capable d\u2019alimenter de petits appareils sans batterie, en utilisant uniquement l\u2019\u00e9nergie RF r\u00e9cup\u00e9r\u00e9e.<\/p>\n","protected":false},"author":22,"featured_media":222864,"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-222863","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>M\u00e9moire \u00e0 interface duale \u00e0 r\u00e9cup\u00e9ration d&#039;\u00e9nergie ...<\/title>\n<meta name=\"description\" content=\"La famille de 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