{"id":443541,"date":"2024-02-10T10:34:54","date_gmt":"2024-02-10T09:34:54","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=443541"},"modified":"2024-02-10T10:34:54","modified_gmt":"2024-02-10T09:34:54","slug":"circuit-de-commutation-flyback-hors-ligne-innoswitch-5","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-de-commutation-flyback-hors-ligne-innoswitch-5\/","title":{"rendered":"Circuit de commutation flyback hors ligne InnoSwitch-5"},"content":{"rendered":"<h3><a href=\"https:\/\/www.power.com\/?utm_campaign=InnoSwitch5-Pro&amp;utm_medium=referral&amp;utm_source=PI&amp;utm_content=PressRelease&amp;utm_term=Brand+InnoSwitch5-Pro+Adapters+PI+EN\">Power Integrations<\/a>\u00a0a annonc\u00e9 le lancement de la\u00a0<a href=\"https:\/\/www.power.com\/products\/innoswitch\/innoswitch5-pro?utm_campaign=InnoSwitch5-Pro&amp;utm_medium=referral&amp;utm_source=PI&amp;utm_content=PressRelease&amp;utm_term=AC-DC+InnoSwitch5-Pro+Adapters+PI+EN\">\u00a0famille InnoSwitch-5-Pro\u00a0<\/a>\u00a0de circuits int\u00e9gr\u00e9s de commutation flyback programmables \u00e0 haut rendement.<\/h3>\n<p>Ce commutateur monopuce atteint une efficacit\u00e9 de plus de 95 % gr\u00e2ce \u00e0 un nouveau sch\u00e9ma de contr\u00f4le c\u00f4t\u00e9 secondaire qui permet d&rsquo;obtenir une commutation \u00e0 tension nulle (ZVS) sans FET suppl\u00e9mentaire d\u00e9di\u00e9 et co\u00fbteux. Le nouveau circuit int\u00e9gr\u00e9, qui comprend un commutateur primaire PowiGaN 750 V ou 900 V, un contr\u00f4leur c\u00f4t\u00e9 primaire, un retour isol\u00e9 FluxLink et un contr\u00f4leur secondaire avec une interface I<sup>2<\/sup>C, optimise la conception et la fabrication d&rsquo;adaptateurs USB mono ou multiports compacts et tr\u00e8s efficaces. Les applications sont les notebooks, les t\u00e9l\u00e9phones portables haut de gamme et d&rsquo;autres produits grand-public portables, y compris les conceptions qui n\u00e9cessitent le nouveau protocole USB PD EPR (Extended Power Range).<\/p>\n<p>Adnaan Lokhandwala, directeur principal du marketing produit chez Power Integrations, a d\u00e9clar\u00e9 : \u00ab La combinaison\u00a0 de\u00a0ZVS et du GaN est magique en mati\u00e8re d&rsquo;alimentation \u00e9lectrique. Les pertes de commutation disparaissent et nous pouvons tirer parti des faibles pertes de conduction du GaN pour mettre en \u0153uvre des configurations d&rsquo;adaptateurs super denses avec beaucoup moins de composants que les circuits en demi-pont asym\u00e9trique (AHB) ou les alternatives \u00e0 blocage actif. Par exemple, nous avons fait la d\u00e9monstration d&rsquo;adaptateurs USB PD de 140 W \/ 28 V en 69 cm3 n\u2019utilisant que 106 composants. La topologie flyback utilis\u00e9e par les circuits int\u00e9gr\u00e9s InnoSwitch5-Pro est beaucoup plus facile \u00e0 mettre en \u0153uvre que l&rsquo;AHB et peut \u00e9galement fonctionner \u00e0 partir du r\u00e9seau universel avec ou sans \u00e9tage PFC.\u00a0\u00bb.\u00a0<\/p>\n<p>Les circuits int\u00e9gr\u00e9s de commutation flyback InnoSwitch5-Pro sont dot\u00e9s d&rsquo;une d\u00e9tection de tension de ligne d&rsquo;entr\u00e9e sans perte du c\u00f4t\u00e9 secondaire pour un contr\u00f4le adaptatif DCM\/CCM et ZVS afin de maximiser l&rsquo;efficacit\u00e9 et de simplifier la conception sur l&rsquo;ensemble de la ligne et de la charge. Les circuits int\u00e9gr\u00e9s disposent \u00e9galement d&rsquo;un d\u00e9calage de tol\u00e9rance de post-production pour faciliter un contr\u00f4le pr\u00e9cis du courant continu de sortie (CC) en dessous de deux pour cent afin de prendre en charge le protocole UFCS. L&rsquo;excellente efficacit\u00e9, sup\u00e9rieure \u00e0 95 %, permet aux concepteurs d&rsquo;\u00e9liminer les dissipateurs thermiques, les r\u00e9partisseurs et les mat\u00e9riaux d&rsquo;enrobage pour la gestion thermique, r\u00e9duisant ainsi davantage la taille, le poids, le co\u00fbt des composants et la complexit\u00e9 de fabrication.<\/p>\n<p>&nbsp;<\/p>\n<p>www.<a href=\"https:\/\/www.power.com\/products\/innoswitch\/innoswitch5-pro?utm_campaign=InnoSwitch5-Pro&amp;utm_medium=referral&amp;utm_source=PI&amp;utm_content=PressRelease&amp;utm_term=AC-DC+InnoSwitch5-Pro+Adapters+PI+EN\">power.com<\/a><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Power Integrations\u00a0a annonc\u00e9 le lancement de la\u00a0\u00a0famille InnoSwitch-5-Pro\u00a0\u00a0de circuits int\u00e9gr\u00e9s de commutation flyback programmables \u00e0 haut rendement. Ce commutateur monopuce atteint une efficacit\u00e9 de plus de 95 % gr\u00e2ce \u00e0 un nouveau sch\u00e9ma de contr\u00f4le c\u00f4t\u00e9 secondaire qui permet d&rsquo;obtenir une commutation \u00e0 tension nulle (ZVS) sans FET suppl\u00e9mentaire d\u00e9di\u00e9 et co\u00fbteux. Le nouveau circuit [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":443542,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[1164],"domains":[47],"ppma_author":[1154],"class_list":["post-443541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-composants-de-puissance","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit de commutation flyback hors ligne InnoSwitch-5 ...<\/title>\n<meta name=\"description\" content=\"Power Integrations\u00a0a annonc\u00e9 le lancement de la\u00a0\u00a0famille InnoSwitch-5-Pro\u00a0\u00a0de circuits int\u00e9gr\u00e9s de commutation flyback programmables \u00e0 haut...\" \/>\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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