{"id":473428,"date":"2025-02-23T09:37:49","date_gmt":"2025-02-23T08:37:49","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=473428"},"modified":"2025-02-23T09:37:49","modified_gmt":"2025-02-23T08:37:49","slug":"coolgan-100v-reduit-la-taille-des-amplis-audio-classe-d","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/coolgan-100v-reduit-la-taille-des-amplis-audio-classe-d\/","title":{"rendered":"CoolGaN 100V r\u00e9duit la taille des amplis audio classe D"},"content":{"rendered":"<p>La soci\u00e9t\u00e9 br\u00e9silienne SounDigital a utilis\u00e9 les derniers transistors \u00e0 nitrure de gallium 100V d&rsquo;Infineon Technologies pour un amplificateur audio de classe D de 1500W.<\/p>\n<p>L&rsquo;amplificateur de classe D \u00e0 cinq canaux commute \u00e0 800 kHz, ce qui permet d&rsquo;utiliser des magn\u00e9tiques plus petits pour r\u00e9duire la taille. L&rsquo;utilisation du transistor GaN \u00e0 mode am\u00e9lior\u00e9 CoolGaN am\u00e9liore l&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique de l&rsquo;amplificateur de cinq points de pourcentage et r\u00e9duit la perte d&rsquo;\u00e9nergie de 60 %, soit 75 W, ce qui permet d&rsquo;utiliser un dissipateur thermique deux fois plus petit qu&rsquo;auparavant.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/infineon-at-25\/\">Infineon \u00e0 25 ans<\/a><\/li>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/first-12kw-power-supply-design-for-ai-data-centres\/\">Premi\u00e8re conception d&rsquo;une alimentation \u00e9lectrique de 12 kW pour les centres de donn\u00e9es d&rsquo;intelligence artificielle<\/a><\/li>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/100v-gan-power-stage-to-simplify-designs\/\">Etage de puissance 100V GaN pour simplifier les conceptions<\/a><\/li>\n<\/ul>\n<p>Avec le transistor <a href=\"https:\/\/www.infineon.com\/cms\/de\/product\/power\/gan-hemt-gallium-nitride-transistor\/igc033s101\/\"><strong>IGC033S101<\/strong><\/a> dans un bo\u00eetier PQFN-3&#215;5 et le\u00a0 <a href=\"https:\/\/www.infineon.com\/cms\/de\/product\/power\/gan-hemt-gallium-nitride-transistor\/igb110s101\/\"><strong>IGB110S101<\/strong><\/a> dans un bo\u00eetier PQFN-3&#215;3, la taille globale du syst\u00e8me peut \u00eatre r\u00e9duite de 40 % sans compromettre les performances. La qualit\u00e9 audio a \u00e9t\u00e9 encore am\u00e9lior\u00e9e par l&rsquo;utilisation des composants CoolGaN, avec une distorsion harmonique totale (THD) r\u00e9duite de 70 pour cent, tandis que le courant de veille a \u00e9galement \u00e9t\u00e9 r\u00e9duit de 40 pour cent.<\/p>\n<p>\u00ab\u00a0Nous sommes ravis d&rsquo;am\u00e9liorer les performances de nos amplificateurs audio en utilisant les semi-conducteurs de puissance GaN d&rsquo;Infineon, ce qui nous permet d&rsquo;inspirer les gens et d&rsquo;offrir des divertissements en amplifiant la musique dans le monde entier\u00a0\u00bb, a d\u00e9clar\u00e9 Juliano Anflor, PDG de SounDigital. \u00ab\u00a0Les transistors GaN am\u00e9liorent consid\u00e9rablement les performances globales de notre syst\u00e8me, tout en minimisant les co\u00fbts et en augmentant la facilit\u00e9 d&rsquo;utilisation.\u00a0\u00bb<\/p>\n<p>\u00ab\u00a0La technologie GaN transforme l&rsquo;industrie des amplificateurs audio en offrant une efficacit\u00e9 et des performances in\u00e9gal\u00e9es\u00a0\u00bb, a d\u00e9clar\u00e9 Johannes Schoiswohl, responsable de la ligne commerciale GaN chez Infineon. \u00ab\u00a0GaN offre une qualit\u00e9 sonore sup\u00e9rieure, une densit\u00e9 de puissance plus \u00e9lev\u00e9e et une consommation d&rsquo;\u00e9nergie r\u00e9duite, ce qui permet aux syst\u00e8mes audio de SounDigital d&rsquo;atteindre de nouveaux niveaux de fid\u00e9lit\u00e9 et de performance.\u00a0\u00bb<\/p>\n<p><a href=\"http:\/\/www.infineon.com\">www.infineon.com<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La soci\u00e9t\u00e9 br\u00e9silienne SounDigital a utilis\u00e9 les derniers transistors \u00e0 nitrure de gallium 100V d&rsquo;Infineon Technologies pour un amplificateur audio de classe D de 1500W. L&rsquo;amplificateur de classe D \u00e0 cinq canaux commute \u00e0 800 kHz, ce qui permet d&rsquo;utiliser des magn\u00e9tiques plus petits pour r\u00e9duire la taille. L&rsquo;utilisation du transistor GaN \u00e0 mode am\u00e9lior\u00e9 [&hellip;]<\/p>\n","protected":false},"author":40,"featured_media":473384,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[880],"tags":[5173,4557,3897],"domains":[47],"ppma_author":[3640,6199],"class_list":["post-473428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-economiques","tag-amplificateur","tag-audio-fr","tag-gan-fr-2","domains-electronique-eci"],"acf":[],"yoast_head":"<title>CoolGaN 100V r\u00e9duit la taille des amplis audio classe D ...<\/title>\n<meta name=\"description\" content=\"SounDigital a utilis\u00e9 les derniers transistors GaN 100V d&#039;Infineon Technologies pour un amplificateur audio de classe D de 1500W.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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