{"id":1090,"date":"2020-12-11T13:45:48","date_gmt":"2020-12-11T13:45:48","guid":{"rendered":"https:\/\/lindy.com\/fr\/?post_type=lin-technology&#038;p=1090"},"modified":"2025-07-03T07:22:36","modified_gmt":"2025-07-03T07:22:36","slug":"usb","status":"publish","type":"lin-technology","link":"https:\/\/lindy.com\/fr\/technologie\/usb\/","title":{"rendered":"USB"},"content":{"rendered":"\n<section class=\"wp-block-lindy-parallax-hero section parallax-hero theme--light align--center  font--size-large\" style=\"background-image:url(https:\/\/lindy.com\/en\/wp-content\/uploads\/sites\/2\/2020\/10\/USBMAINv3_1_web-scaled.jpg)\"><div class=\"contained contained--full-width\"><div class=\"parallax-hero__content\"><div class=\"parallax-hero__content-wrapper align--center\"><h2 class=\"section__heading\"><span>USB <\/span><\/h2><p class=\"section__paragraph\"><br\/>La norme USB a une longue et riche histoire derri\u00e8re elle. De la version 1.0 de 1996 \u00e0 la version 4, adopt\u00e9e en 2019, les d\u00e9bits de donn\u00e9es ont \u00e9t\u00e9 continuellement augment\u00e9s et les connecteurs et les d\u00e9signations de la norme ont \u00e9t\u00e9 fondamentalement modifi\u00e9s \u00e0 plusieurs reprises. Elle a fait ses preuves et s&rsquo;est impos\u00e9e comme une interface informatique universelle, omnipr\u00e9sente et indispensable pour tous les p\u00e9riph\u00e9riques informatiques.<br\/><\/p><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-parallax-hero section parallax-hero theme--dark align--center  font--size-medium\" style=\"background-image:url(https:\/\/lindy.com\/en\/wp-content\/uploads\/sites\/2\/2020\/10\/USBMAINv3_2_web-scaled.jpg)\"><div class=\"contained contained--full-width\"><div class=\"parallax-hero__content\"><div class=\"parallax-hero__content-wrapper align--center\"><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-parallax-hero section parallax-hero theme--light align--center font--camber font--size-small\" style=\"background-image:url(https:\/\/lindy.com\/en\/wp-content\/uploads\/sites\/2\/2020\/10\/USBMAINv3_1_web-scaled.jpg)\"><div class=\"contained contained--full-width\"><div class=\"parallax-hero__content\"><div class=\"parallax-hero__content-wrapper align--center\"><h2 class=\"section__heading\"><span>VERSIONS USB 1.0 JUSQU&rsquo;\u00c0 3.0 <\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">LE BON VIEIL USB\u2026<\/h2><p class=\"section__paragraph\"><br\/>Jusqu&rsquo;\u00e0 la version USB 3.0, les noms, sp\u00e9cifications et d\u00e9signations des diff\u00e9rentes versions de l&rsquo;USB n&rsquo;ont pos\u00e9 aucun probl\u00e8me pendant pr\u00e8s de deux d\u00e9cennies. Chaque nouvelle version \u00e9tait assortie de sp\u00e9cifications pr\u00e9cises. En termes de d\u00e9bit de donn\u00e9es et d&rsquo;alimentation \u00e9lectrique, chaque nouvelle version a \u00e9t\u00e9 adapt\u00e9e aux exigences modernes et \u00e9tait largement r\u00e9trocompatible avec toutes les versions pr\u00e9c\u00e9dentes.<\/p><\/div><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-paragraph-one-col section section--horizontal-content section--horizontal-content--one-column font--size-small theme--dark align--center font--camber section--animation-none\"><div class=\"contained\"><h2 class=\"section__heading\"><span>D\u00c9SIGNATIONS USB 3.X<\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">CONFUSION BABYLONIENNE<\/h2><p class=\"section__paragraph\"><br\/>Depuis l&rsquo;introduction de l&rsquo;USB 3.1 par l&rsquo;USB-IF en 2013, \u00e0 chaque nouvelle version de l&rsquo;USB, les noms des versions pr\u00e9c\u00e9dentes changent soudainement depuis l&rsquo;USB 3.0 &#8211; une circonstance qui n&rsquo;a pas \u00e9t\u00e9 bien accueillie par tous les acteurs du march\u00e9 et qui a caus\u00e9 beaucoup de malentendus et de confusions. Voici un bref aper\u00e7u des noms de march\u00e9 utilis\u00e9s depuis lors pour les diff\u00e9rentes versions USB depuis la version 3.0<\/p><\/div><\/section>\n\n\n\n<section id=\"usb-versions\" class=\"wp-block-lindy-anchor-section section section--anchor\"><\/section>\n\n\n\n<section class=\"wp-block-lindy-image-text-module section section--full-width-image full-width-image--with-text theme--light section--animation-none align--left font--camber font--size-small width--half\" style=\"background-image:url()\"><img decoding=\"async\" class=\"full-width-image__image\" src=\"\"\/><div class=\"contained\"><div class=\"full-width-image__content\"><h2 class=\"section__heading\"><span>D\u00c9SIGNATIONS USB DEPUIS LA VERSION 3.0<\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">UN BREF APER\u00c7U<\/h2><p class=\"section__paragraph\"><br\/>L&rsquo;USB avec des d\u00e9bits de donn\u00e9es jusqu&rsquo;\u00e0 <strong>5Gbit\/s<\/strong> se nommait\/nomme:<br\/><strong>USB 3.0<\/strong> avec la disponibilit\u00e9 de l&rsquo;USB 3.0 (2009)<br\/><strong>USB 3.1 Gen 1<\/strong> \u00e0 partir de la disponibilit\u00e9 de l&rsquo;USB 3.1 (\u00e0 partir de 2013)<br\/><strong>USB 3.2 Gen 1<\/strong> depuis la disponibilit\u00e9 de l&rsquo;USB 3.2 (depuis 2017)<br\/><br\/>L&rsquo;USB avec des d\u00e9bits de donn\u00e9es jusqu&rsquo;\u00e0 <strong>10Gbit\/s<\/strong> se nommait\/nomme:<br\/><strong>USB 3.1 Gen 2<\/strong> avec la disponibilit\u00e9 de l&rsquo;USB 3.1 (\u00e0 partir de 2013)<br\/><strong>USB 3.2 Gen <\/strong>2 depuis la disponibilit\u00e9 de l&rsquo;USB 3.2 (depuis 2017)<br\/><br\/>L&rsquo;USB avec des d\u00e9bits de donn\u00e9es jusqu&rsquo;\u00e0 <strong>20Gbit\/s<\/strong> se nomme:<br\/><strong>USB 3.2 Gen 2\u00d72<\/strong> avec la disponibilit\u00e9 de l&rsquo;USB 3.2 (depuis 2017)<br\/><\/p><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-paragraph-one-col section section--horizontal-content section--horizontal-content--one-column font--size-small theme--dark align--center font--camber section--animation-none\"><div class=\"contained\"><h2 class=\"section__heading\"><span>VERSIONS USB<\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">ET TAUX DE DONN\u00c9ES<\/h2><p class=\"section__paragraph\"><br\/>Les slides suivants donnent un aper\u00e7u de toutes les versions USB depuis la version 1.0 avec leurs d\u00e9bits de donn\u00e9es et les connecteurs utilis\u00e9s.<\/p><\/div><\/section>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<section class=\"wp-block-lindy-paragraph-one-col section section--horizontal-content section--horizontal-content--one-column font--size-small theme--light align--center font--camber section--animation-up\"><div class=\"contained\"><h2 class=\"section__heading\"><span><strong>CONNECTEURS USB<\/strong><\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">AU COURS DES D\u00c9CENNIES<\/h2><p class=\"section__paragraph\"><br\/>Tout comme les d\u00e9bits de donn\u00e9es et les capacit\u00e9s de transport actuelles, les connecteurs ont \u00e9galement chang\u00e9 au fil du temps. Au d\u00e9but, il n&rsquo;y avait que les connecteurs de type A et B de premi\u00e8re g\u00e9n\u00e9ration, qui \u00e9taient encore relativement peu puissants en termes de fr\u00e9quence et de capacit\u00e9 de transport de courant.<br\/>D\u00e9j\u00e0 avec l&rsquo;USB 2.0, mais au plus tard avec l&rsquo;USB 3.0 (alias USB 3.1 Gen 1, alias USB 3.2 Gen 1), il a fallu compenser, car les d\u00e9bits de donn\u00e9es et le courant \u00e0 fournir avaient augment\u00e9s.<\/p><\/div><\/section>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<section class=\"wp-block-lindy-paragraph-one-col section section--horizontal-content section--horizontal-content--one-column font--size-small theme--light align--center font--camber section--animation-up\"><div class=\"contained\"><h2 class=\"section__heading\"><span><strong>GESTION DE L&rsquo;\u00c9NERGIE<\/strong><\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">POWER DELIVERY<\/h2><p class=\"section__paragraph\"><br\/>Dans le sillage de la version USB Gen 2, la norme \u00ab\u00a0Power Delivery\u00a0\u00bb ou \u00ab\u00a0PD\u00a0\u00bb, a \u00e9t\u00e9 introduite dans la derni\u00e8re version (Rev.3). Il s&rsquo;agit d&rsquo;une norme publi\u00e9e ind\u00e9pendamment de la version USB, qui n\u00e9gocie et r\u00e9gule l&rsquo;alimentation \u00e9lectrique entre l&rsquo;h\u00f4te, les hubs et les p\u00e9riph\u00e9riques.<br\/><br\/><strong>Important : si la fonction Power Delivery est prise en charge par les trois composants (h\u00f4te, c\u00e2ble et p\u00e9riph\u00e9rique), alors les sp\u00e9cifications concernant la tension et le courant sur le bus USB s&rsquo;appliquent, sinon les 5V, 3A d\u00e9finis pour les c\u00e2bles USB de type C s&rsquo;appliquent.<\/strong><\/p><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-image-text-module section section--full-width-image full-width-image--with-text theme--light section--animation-none align--left  font--size-medium width--half\" style=\"background-image:url(https:\/\/lindy.com\/de\/wp-content\/uploads\/sites\/3\/2020\/11\/Tabelle-USB-PD-small-final-1.jpg)\"><img decoding=\"async\" class=\"full-width-image__image\" src=\"https:\/\/lindy.com\/de\/wp-content\/uploads\/sites\/3\/2020\/11\/Tabelle-USB-PD-small-final-1.jpg\"\/><div class=\"contained\"><div class=\"full-width-image__content\"><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-image-text-module section section--full-width-image full-width-image--with-text theme--light section--animation-none align--left  font--size-medium width--half\" style=\"background-image:url()\"><img decoding=\"async\" class=\"full-width-image__image\" src=\"\"\/><div class=\"contained\"><div class=\"full-width-image__content\"><p class=\"section__paragraph\"><br\/>Les profils Power Delivery sont n\u00e9goci\u00e9s \u00e0 partir de la tension et du courant (5V\/2A, 12V\/1,5A, 12V\/3A, 20V\/3A ou 20V\/5A) et du sens de d\u00e9livrance. Tous les c\u00e2bles qui peuvent r\u00e9sister \u00e0 plus de 1,5A pr\u00e9vus pour le profil avec la charge de courant la plus faible doivent le faire savoir via une puce dite \u00ab\u00a0E-mark\u00a0\u00bb afin que le profil correct puisse \u00eatre n\u00e9goci\u00e9.<br\/><br\/>Cela permet, par exemple, de connecter une alimentation \u00e9lectrique avec une fiche USB de type C au port USB compatible PD d&rsquo;un hub ou d&rsquo;une station d&rsquo;accueil et de la relier \u00e0 un ordinateur portable via un seul c\u00e2ble USB de type C d\u00e9sign\u00e9 pour PD avec 5A, afin de charger l&rsquo;ordinateur portable et de transf\u00e9rer des donn\u00e9es en m\u00eame temps. Gr\u00e2ce \u00e0 un \u00e9quipement ad\u00e9quat, les p\u00e9riph\u00e9riques et c\u00e2bles encombres moins votre bureau.<\/p><\/div><\/div><\/section>\n\n\n\n<section class=\"wp-block-lindy-paragraph-one-col section section--horizontal-content section--horizontal-content--one-column font--size-small theme--dark align--center font--camber section--animation-up\"><div class=\"contained\"><h2 class=\"section__heading\"><span><strong>L&rsquo;USB TYPE C EN FAIT PLUS<\/strong><\/span><\/h2><h2 class=\"section__subheading section__subheading__title\">DISPLAYPORT\u2122 ALTERNATE MODE<br\/><\/h2><p class=\"section__paragraph\"><br\/>La sp\u00e9cification du connecteur type C repr\u00e9sente une normalisation ind\u00e9pendante de la sp\u00e9cification USB.<br\/>Par cons\u00e9quent, il a d&rsquo;autres utilisations en dehors de sa principale application USB et des variantes de brochage de l&rsquo;USB, les \u00ab\u00a0modes alternatifs (Alternate Mode)\u00a0\u00bb, notamment son repr\u00e9sentant le plus connu et le plus r\u00e9pandu, le <strong>DisplayPort\u2122 Alternate Mode (DP-Alt)<\/strong>. D&rsquo;autres modes alternatifs existent pour MHL (MHL-Alt), Thunderbolt 3 (TB3-Alt) PCI Express (PCIe-ALT) et r\u00e9cemment aussi HDMI\u00ae (HDMI\u00ae-Alt).<br\/><br\/>Ils ont tous en commun le brochage du connecteur type C, qui est activ\u00e9 par l&rsquo;h\u00f4te USB apr\u00e8s qu&rsquo;un dispositif correspondant (par exemple un moniteur) a \u00e9t\u00e9 d\u00e9tect\u00e9. \u00c0 condition que le mode alternatif (Alternate Mode) correspondant soit pris en charge par l&rsquo;h\u00f4te.<br\/><br\/>Dans l&rsquo;exemple du DisplayPort\u2122 Alternate Mode, les signaux DisplayPort\u2122 avec des r\u00e9solutions allant jusqu&rsquo;\u00e0 4K@60Hz peuvent \u00eatre envoy\u00e9s \u00e0 un moniteur ou un projecteur via le c\u00e2ble de USB type C<\/p><\/div><\/section>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"template":"","class_list":["post-1090","lin-technology","type-lin-technology","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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