{"id":449802,"date":"2024-04-29T09:42:08","date_gmt":"2024-04-29T07:42:08","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=449802"},"modified":"2024-04-29T10:42:15","modified_gmt":"2024-04-29T08:42:15","slug":"conditionneur-de-signal-usb-2-0-auto-adaptatif-pour-economiser-de-lenergie","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/conditionneur-de-signal-usb-2-0-auto-adaptatif-pour-economiser-de-lenergie\/","title":{"rendered":"Conditionneur de signal USB 2.0 auto-adaptatif pour \u00e9conomiser de l’\u00e9nergie"},"content":{"rendered":"

Diodes Inc. a lanc\u00e9 un conditionneur de signaux USB 2.0 auto-adaptatif qui fonctionne \u00e0 partir d’une tension d’alimentation de 2,3 V.<\/span><\/h3>\n

La puce de conditionnement de signaux PI5USB212 auto-adapt\u00e9e d\u00e9tecte automatiquement une connexion USB 2.0 \u00e0 grande vitesse. Il pr\u00e9serve \u00e9galement l’int\u00e9grit\u00e9 du signal lors de l’utilisation de piste circuits imprim\u00e9s longues ou de c\u00e2bles allant jusqu’\u00e0 5 m\u00e8tres dans les ordinateurs portables, les PC, les stations d’accueil, les prolongateurs de c\u00e2ble, les t\u00e9l\u00e9viseurs et les moniteurs.<\/p>\n

La puce amplifie sym\u00e9triquement les canaux USB D+ et D- pour assurer la stabilit\u00e9 en mode commun et applique une pr\u00e9accentuation pour compenser les interf\u00e9rences intersymboles (ISI). La large plage de tension d’alimentation simplifie la conception des syst\u00e8mes et \u00e9tend la fen\u00eatre de fonctionnement des \u00e9quipements portables aliment\u00e9s par batterie.<\/p>\n

Configuration simple<\/strong><\/p>\n

Le dispositif est configur\u00e9 \u00e0 l’aide de commandes I2C ou de strapping de broches, en ajustant les niveaux d’amplification du signal et de compensation de l’ISI. Il poss\u00e8de deux broches de contr\u00f4le (boost\/SEN) ; le fait de changer la position de boost boost via diff\u00e9rentes r\u00e9sistances permet de contr\u00f4ler les niveaux de gain et de pr\u00e9accentuation en courant continu. La broche SEN s\u00e9lectionne la sensibilit\u00e9 \u00e9lev\u00e9e, faible ou moyenne du r\u00e9cepteur (gain CC) pour garantir une int\u00e9grit\u00e9 optimale du signal, en fonction des conditions du canal. Il d\u00e9tecte automatiquement une connexion en mode basse vitesse (LS) ou en mode pleine vitesse (FS) afin d’\u00e9viter d’appliquer une compensation de signal lorsque cela n’est pas n\u00e9cessaire.<\/p>\n

Le PI5USB212 est compatible avec les normes USB 2.0, OTG 2.0 et BC chargeur de batterie) 1.2, et prend en charge les fonctions USB telles que la connexion de p\u00e9riph\u00e9rique et la d\u00e9tection \u00e0 grande vitesse, ainsi qu’une tol\u00e9rance de 5,5V. Il d\u00e9tecte automatiquement l’absence de connexion USB et \u00e9conomise l’\u00e9nergie en r\u00e9duisant son courant d’alimentation \u00e0 0,7 mA (typique) et \u00e0 13 \u00b5A (typique) lorsqu’il est d\u00e9sactiv\u00e9 par la broche de d\u00e9sactivation RSTN.<\/p>\n

www.diodes.com.<\/a><\/p>\n

Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Diodes Inc. a lanc\u00e9 un conditionneur de signaux USB 2.0 auto-adaptatif qui fonctionne \u00e0 partir d’une tension d’alimentation de 2,3 V. La puce de conditionnement de signaux PI5USB212 auto-adapt\u00e9e d\u00e9tecte automatiquement une connexion USB 2.0 \u00e0 grande vitesse. Il pr\u00e9serve \u00e9galement l’int\u00e9grit\u00e9 du signal lors de l’utilisation de piste circuits imprim\u00e9s longues ou de c\u00e2bles […]<\/p>\n","protected":false},"author":11,"featured_media":449743,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[4374,6253],"domains":[47],"ppma_author":[1143,3640],"class_list":["post-449802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-gestion-de-puissance","tag-usb-2-0","domains-electronique-eci"],"acf":[],"yoast_head":"Conditionneur de signal USB 2.0 auto-adaptatif pour \u00e9conomiser...<\/title>\n<meta name=\"description\" content=\"Diodes Inc. a lanc\u00e9 un conditionneur de signaux USB 2.0 auto-adaptatif qui fonctionne \u00e0 partir d'une tension d'alimentation de 2,3 V.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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