{"id":57337,"date":"2020-04-28T06:31:44","date_gmt":"2020-04-28T06:31:44","guid":{"rendered":"https:\/\/\/ci-damplificateurs-de-haut-parleurs-28-w-pour-les-tableaux-de-bord-avances\/"},"modified":"2020-04-28T06:31:44","modified_gmt":"2020-04-28T06:31:44","slug":"ci-damplificateurs-de-haut-parleurs-28-w-pour-les-tableaux-de-bord-avances","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/ci-damplificateurs-de-haut-parleurs-28-w-pour-les-tableaux-de-bord-avances\/","title":{"rendered":"CI d\u2019amplificateurs de haut-parleurs 2,8 W pour les tableaux de bord avanc\u00e9s"},"content":{"rendered":"<p>Ces derni\u00e8res ann\u00e9es, les innovations technologiques dans le domaine de l\u2019automobile, comme la conduite autonome et l\u2019ADAS, n\u00e9cessitent une plus grande vari\u00e9t\u00e9 de sons, comme le son d\u2019avertissement en quittant la voie ou pour les obstacles environnants. En cons\u00e9quence, m\u00eame les syst\u00e8mes de sortie audio dans le tableau de bord utilisent des amplificateurs de haut-parleurs pour g\u00e9n\u00e9rer du son avec une MCU, au lieu de relais qui produisent des sons de clignotant et de ronfleurs \u00e9lectroniques qui \u00e9mettent des sons d\u2019avertissement. Cependant, il \u00e9tait jusqu\u2019\u00e0 pr\u00e9sent difficile d\u2019associer une sortie de son s\u00fbre et stable \u00e0 des volumes sonores importants.<br \/>\nROHM a d\u00e9velopp\u00e9 la s\u00e9rie BD783xxEFJ-M pour les tableaux de bord de v\u00e9hicules, requ\u00e9rant diff\u00e9rentes sorties de sons \u00e0 fort volume, y compris les sons d&rsquo;avertissement, les clignotants, les tonalit\u00e9s de bienvenue et le guidage vocal. En outre, l\u2019adoption d\u2019un nouveau type de circuit de protection contre les surtensions (OCP) offre une protection contre les courts-circuits de sortie (dommages dus \u00e0 un contact accidentel avec la borne) pour d\u00e9livrer une sortie haute puissance de 2,8 W qui \u00e9tait difficile \u00e0 atteindre dans le pass\u00e9. En plus de la protection contre les surtensions, l\u2019arr\u00eat thermique int\u00e9gr\u00e9 et le verrouillage en cas de sous-tension (UVLO) assurent une protection hautement fiable contre les conditions anormales.<br \/>\nDe surcro\u00eet, la conformit\u00e9 avec la norme de fiabilit\u00e9 automobile AEC-Q100 et la capacit\u00e9 de r\u00e9sister \u00e0 un fonctionnement \u00e0 haute temp\u00e9rature jusqu\u2019\u00e0 105 \u00b0C permettent une sortie vocale stable sans compromettre le fonctionnement, m\u00eame dans des conditions difficiles.<\/p>\n<p><a href=\"http:\/\/www.rohm.com\/eu\">www.rohm.com\/eu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ROHM a r\u00e9cemment annonc\u00e9 la disponibilit\u00e9 des amplificateurs de haut-parleurs mono de classe AB \u00e0 2,8 W de puissance de sortie et agr\u00e9\u00e9s AEC-Q100, de la s\u00e9rie BD783xxEFJ-M (BD78306EFJ-M, BD78310EFJ-M et BD78326EFJ-M) id\u00e9aux pour les tableaux de bord, utilis\u00e9s dans les v\u00e9hicules \u00e9quip\u00e9s de la conduite autonome et de l\u2019ADAS.<\/p>\n","protected":false},"author":9,"featured_media":57338,"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-57337","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CI d\u2019amplificateurs de haut-parleurs 2,8 W pour les tableaux ...<\/title>\n<meta name=\"description\" content=\"ROHM a r\u00e9cemment annonc\u00e9 la disponibilit\u00e9 des amplificateurs de haut-parleurs mono de classe AB \u00e0 2,8 W de puissance de sortie et agr\u00e9\u00e9s AEC-Q100, de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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