{"id":476119,"date":"2025-03-26T09:37:26","date_gmt":"2025-03-26T08:37:26","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=476119"},"modified":"2025-03-26T09:37:26","modified_gmt":"2025-03-26T08:37:26","slug":"raspberry-pi-redessine-lalimentation-par-ethernet-pour-le-pi-5","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/raspberry-pi-redessine-lalimentation-par-ethernet-pour-le-pi-5\/","title":{"rendered":"Raspberry Pi redessine l&rsquo;alimentation par Ethernet pour le Pi 5"},"content":{"rendered":"<p>Raspberry Pi est en train de concevoir une carte d&rsquo;extension pour relever le d\u00e9fi de l&rsquo;alimentation par Ethernet<a href=\"https:\/\/www.eenewseurope.com\/en\/?s=PoE\">(PoE)<\/a> pour sa derni\u00e8re carte 5.<\/p>\n<p>Elle travaille sur une conception int\u00e9gr\u00e9e de l&rsquo;alimentation pour un HAT+ PoE afin d&rsquo;alimenter la carte Raspberry Pi 5 \u00e0 partir du r\u00e9seau Ethernet via un transformateur plat et planaire pour permettre au HAT de s&rsquo;int\u00e9grer dans les bo\u00eetiers existants.<\/p>\n<p>\u00ab\u00a0En 2018, nous avons lanc\u00e9 le Raspberry Pi 3B+, le premier \u00e0 prendre en charge l&rsquo;alimentation par Ethernet (PoE). Depuis, nous avons exp\u00e9di\u00e9 des appareils aliment\u00e9s par PoE, avec quelques accrocs occasionnels \u00ab\u00a0, a d\u00e9clar\u00e9 Eben Upton, PDG de Raspberry Pi.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/heating-and-cooling-raspberry-pi-5\/\">Chauffer et refroidir le Pi 5<\/a><\/li>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-5-moves-to-disaggregated-architecture-with-in-house-silicon\/\">Passer \u00e0 une architecture d\u00e9sagr\u00e9g\u00e9e<\/a><\/li>\n<li><a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-launches-cm5-module\/\">Lancement du module CM5<\/a><\/li>\n<\/ul>\n<p>La soci\u00e9t\u00e9 vient de lancer un injecteur PoE+ autonome, d\u00e9velopp\u00e9 avec Microchip Technology, qui permet d&rsquo;ajouter un support PoE de 30 W avec livraison d&rsquo;\u00e9nergie (PD) \u00e0 un r\u00e9seau existant sans avoir besoin d&rsquo;une ligne \u00e9lectrique. Cela simplifie l&rsquo;installation d&rsquo;une gamme d&rsquo;applications dans des endroits isol\u00e9s, des webcams de jardin aux contr\u00f4leurs industriels.<\/p>\n<p>L&rsquo;injecteur est compatible avec les normes IEEE 802.3af (PoE, 13W) et IEEE 802.11at (PoE+, 25W), ainsi qu&rsquo;avec des tensions d&rsquo;alimentation comprises entre 100V et 240V.<\/p>\n<p>Cependant, la fourniture de PoE pour la derni\u00e8re carte Pi 5 avec son <a href=\"https:\/\/www.eenewseurope.com\/en\/raspberry-pi-5-moves-to-disaggregated-architecture-with-in-house-silicon\/\">architecture d\u00e9sagr\u00e9g\u00e9e<\/a> pose des probl\u00e8mes.<\/p>\n<p>\u00ab\u00a0Alors que le Raspberry Pi 5 dispose d&rsquo;un connecteur d&rsquo;alimentation PoE \u00e0 4 broches, notre premier accessoire PD, le bien nomm\u00e9 Raspberry Pi PoE+ HAT+ pour Raspberry Pi 5, manque \u00e0 l&rsquo;appel. Cet accessoire promet d&rsquo;\u00eatre le plus petit et le plus efficace de nos accessoires PD, et il est en phase finale de d\u00e9veloppement\u00a0\u00bb, a d\u00e9clar\u00e9 M. Upton.<\/p>\n<p>\u00ab\u00a0La principale cause de retard est que, pour la premi\u00e8re fois, il s&rsquo;agit d&rsquo;un transformateur planaire sur notre propre carte de circuit imprim\u00e9. La ferrite est donc serr\u00e9e autour du circuit imprim\u00e9, plut\u00f4t que d&rsquo;\u00eatre enroul\u00e9e autour d&rsquo;un objet s\u00e9par\u00e9 comme le PoE HAT ou un transformateur d&rsquo;une tierce partie\u00a0\u00bb, a-t-il d\u00e9clar\u00e9. \u00ab\u00a0Le produit final a un aspect incroyablement spartiate, avec tr\u00e8s peu de composants, et s&rsquo;int\u00e8gre dans le bo\u00eetier officiel, la plupart des \u00e9l\u00e9ments intelligents se trouvant dans l&rsquo;espace entre le ventilateur et les connecteurs USB et Ethernet.<\/p>\n<p><a href=\"http:\/\/www.raspberrypi.com\">www.raspberrypi.com<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Raspberry Pi est en train de concevoir une carte d&rsquo;extension pour relever le d\u00e9fi de l&rsquo;alimentation par Ethernet(PoE) pour sa derni\u00e8re carte 5. Elle travaille sur une conception int\u00e9gr\u00e9e de l&rsquo;alimentation pour un HAT+ PoE afin d&rsquo;alimenter la carte Raspberry Pi 5 \u00e0 partir du r\u00e9seau Ethernet via un transformateur plat et planaire pour permettre [&hellip;]<\/p>\n","protected":false},"author":40,"featured_media":476039,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[9284,2177],"domains":[47],"ppma_author":[3640,6199],"class_list":["post-476119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-poe-fr","tag-raspberry-pi-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Raspberry Pi redessine l&#039;alimentation par Ethernet pour le Pi 5 ...<\/title>\n<meta name=\"description\" content=\"Raspberry Pi est en train de concevoir une carte pour fournir de l&#039;\u00e9nergie PoE pour sa carte Pi 5 avec un 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