{"id":40382,"date":"2020-11-18T08:40:44","date_gmt":"2020-11-18T08:40:44","guid":{"rendered":"https:\/\/\/convertisseurs-cc-cc-primaires-pour-automobiles\/"},"modified":"2020-11-18T08:40:44","modified_gmt":"2020-11-18T08:40:44","slug":"convertisseurs-cc-cc-primaires-pour-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/convertisseurs-cc-cc-primaires-pour-automobiles\/","title":{"rendered":"Convertisseurs CC\/CC primaires pour automobiles"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, l\u2019\u00e9lectrification des syst\u00e8mes de v\u00e9hicules a gagn\u00e9 du terrain. En combinaison avec la quantit\u00e9 d\u2019\u00e9nergie disponible limit\u00e9e, cette tendance met l\u2019accent sur la n\u00e9cessit\u00e9 d\u2019une consommation d\u2019\u00e9nergie moindre. La tension de sortie des batteries et g\u00e9n\u00e9rateurs peut dans le m\u00eame temps varier consid\u00e9rablement, ce qui requiert une solution d\u2019alimentation polyvalente.<br \/>\nAvec des CI d\u2019alimentation \u00e9lectrique conventionnels, il est difficile de parvenir d\u2019une part \u00e0 des r\u00e9ponses de charge s\u00fbres pour assurer un fonctionnement stable et d\u2019autre part \u00e0 une efficacit\u00e9 \u00e9lev\u00e9e de conversion de courant, contribuant \u00e0 de plus grandes \u00e9conomies d\u2019\u00e9nergie. Le nouveau produit adoptant la technologie originale avanc\u00e9e d\u2019alimentation \u00e9lectrique, Nano Pulse ControlTM, permet un fonctionnement \u00e0 grande vitesse \u00e0 2,2 MHz qui n\u2019interf\u00e9rera pas avec la bande radio AM (1,84 MHz max.) tout en r\u00e9alisant un ratio de r\u00e9duction \u00e9lev\u00e9. C\u2019est une technologie optimale pour les applications automobiles.<br \/>\nLa s\u00e9rie BD9P assure un fonctionnement stable pendant les fluctuations de tension d\u2019entr\u00e9e de batterie, r\u00e9duisant le d\u00e9passement de sortie \u00e0 moins de 1\/10e en comparaison avec les produits conventionnels. Cela \u00e9limine le besoin de condensateurs de sortie suppl\u00e9mentaires g\u00e9n\u00e9ralement requis pour r\u00e9duire les tensions de d\u00e9passement. De plus, l\u2019adoption d\u2019une nouvelle m\u00e9thode de contr\u00f4le permet de r\u00e9aliser les deux, c\u2019est-\u00e0-dire une efficacit\u00e9 \u00e9lev\u00e9e et une r\u00e9ponse de charge rapide (qui se trouvent dans une relation de compromis). Le convertisseur DC\/DC offre 92 % d\u2019efficacit\u00e9 de conversion de courant lorsque les charges sont \u00e9lev\u00e9es (\u00e0 1 A de courant de sortie), mais aussi 85 % d\u2019efficacit\u00e9 par charges l\u00e9g\u00e8res (1 mA), r\u00e9alisant ainsi une efficacit\u00e9 de premier ordre dans toute la gamme de charges. Cela r\u00e9duit la consommation de courant, ce qui diminue les \u00e9missions de CO2 ainsi que la d\u00e9charge parasite de la batterie.<br \/>\nDe plus, la combinaison du nouveau produit avec la s\u00e9rie BD9S de convertisseurs DC\/DC secondaires en cascade avec l\u2019\u00e9tage suivant permet aux utilisateurs de configurer des circuits d\u2019alimentation \u00e9lectrique automobiles plus rapides et plus efficaces. Des conceptions de r\u00e9f\u00e9rence sont aussi disponibles sur le site Web officiel ROHM. En utilisant des cartes de r\u00e9f\u00e9rence, des outils et le \u00ab ROHM Solution Simulator \u00bb, un outil de simulation Web gratuit de ROHM, il est possible de r\u00e9aliser des simulations proches des conditions r\u00e9elles, en r\u00e9duisant significativement les ressources de conception d\u2019application.<\/p>\n<p><a href=\"http:\/\/www.rohm.com\/support\/power-managment-evk\/solution\">www.rohm.com\/support\/power-managment-evk\/solution<\/a><br \/>\n<a href=\"http:\/\/www.rohm.com\/eu%20\/t%20_blank\">www.rohm.com\/eu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROHM a d\u00e9velopp\u00e9 une nouvelle gamme de douze convertisseurs CC\/CC primaires pour automobiles. La s\u00e9rie BD9P est optimis\u00e9e pour les capteurs ADAS (Advanced Driver Assistance System), les cam\u00e9ras et les radars, ainsi que l\u2019infodivertissement de voiture et les tableaux de bord.<\/p>\n","protected":false},"author":9,"featured_media":40383,"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-40382","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Convertisseurs CC\/CC primaires pour automobiles ...<\/title>\n<meta name=\"description\" content=\"ROHM a d\u00e9velopp\u00e9 une nouvelle gamme de douze convertisseurs CC\/CC primaires pour automobiles. 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