{"id":119412,"date":"2018-06-04T07:31:44","date_gmt":"2018-06-04T07:31:44","guid":{"rendered":"https:\/\/\/protection-contre-les-pannes-de-ports-usb-rapides\/"},"modified":"2018-06-04T07:31:44","modified_gmt":"2018-06-04T07:31:44","slug":"protection-contre-les-pannes-de-ports-usb-rapides","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/protection-contre-les-pannes-de-ports-usb-rapides\/","title":{"rendered":"Protection contre les pannes de ports USB rapides"},"content":{"rendered":"

Ce circuit prot\u00e8ge les lignes de donn\u00e9es et d’alimentation des \u00e9quipements industriels aliment\u00e9s en 24V alternatif ou en 40V continu, tout en r\u00e9duisant la taille de la solution de plus de 50% pour les applications \u00e0 tension industrielle. 
\nLes environnements industriels cherchent toujours \u00e0 r\u00e9duire l’empreinte des solutions pour augmenter la productivit\u00e9 et le d\u00e9bit, tout en assurant la robustesse du syst\u00e8me et en optimisant sa disponibilit\u00e9. Par cons\u00e9quent, l’USB a tendance \u00e0 supplanter le RS232 dans les \u00e9quipements d’automatisation, du fait de la taille beaucoup plus petite du connecteur. \u00c9tant donn\u00e9 que les environnements industriels adoptent l’USB pour profiter de communications plus rapides dans le cas d\u2019applications comme le diagnostic temps-r\u00e9el, la programmation ou la maintenance de ports d\u2019automates programmables, ou encore la mise en \u0153uvre de syst\u00e8mes de vision industrielle, les ports USB ont besoin de protection contre les surtensions et les diff\u00e9rences de potentiel de masse, tout en restant capables de supporter des d\u00e9bits rapides jusqu’\u00e0 480 Mbits\/s. Des dommages peuvent intervenir sur ces syst\u00e8mes, du c\u00f4t\u00e9 h\u00f4te comme du c\u00f4t\u00e9 p\u00e9riph\u00e9rique, ce qui n\u00e9cessite une solution unique assurant un bon niveau de protection contre les pannes. Les solutions de protection contre les pannes USB pr\u00e9sentes sur le march\u00e9 aujourd’hui exigent des compromis, soit sur le d\u00e9bit USB, soit sur la protection en tension ou en courant des lignes de donn\u00e9es ou d’alimentation de l\u2019appareil. Par cons\u00e9quent, les solutions disponibles actuellement co\u00fbtent plus cher et sont incapables d\u2019assurer une protection contre les pannes d\u2019USB rapide. <\/p>\n

Le MAX22505 r\u00e9pond \u00e0 ce besoin du march\u00e9 avec la seule solution du march\u00e9 offrant une protection d\u2019USB rapide (480 Mbits\/s) pour tensions industrielles, tout en \u00e9tant suffisamment souple pour supporter aussi bien des applications h\u00f4tes que des p\u00e9riph\u00e9riques, y compris des applications USB OTG (On-The-Go, ou en itin\u00e9rance). Il prot\u00e8ge l’\u00e9quipement contre les surtensions et les tensions n\u00e9gatives sur les lignes d’alimentation ou de donn\u00e9es, ainsi que contre les diff\u00e9rences de potentiel de masse entre appareils. Il r\u00e9duit la taille de la solution de plus de 50% par rapport \u00e0 la concurrence, et assure des communications robustes dans des environnements difficiles, \u00e0 moindre co\u00fbt et avec une conception plus simple. Conditionn\u00e9 en bo\u00eetier TQFN 24 broches de 4 mm x 4 mm, il fonctionne dans la plage de temp\u00e9rature allant de -40\u00b0C \u00e0 +105\u00b0C. Ses applications sont notamment l’automatisation de b\u00e2timents, les PC industriels, les automates programmables et les ports USB de diagnostic.<\/p>\n<\/p>\n

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

Rendement maximum pour les amplificateurs audio num\u00e9riques Classe D de Maxim<\/a><\/h3>\n

Modules de puissance 4 \u00e0 42V miniatures<\/a><\/h3>\n

Plus de puissance que jamais dans votre capteur miniature<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Gr\u00e2ce au protecteur de pannes de port USB rapide \u00b140V MAX22505, les concepteurs peuvent d\u00e9sormais prot\u00e9ger les ports USB de toutes sortes de pannes, y comprises les diff\u00e9rences de potentiel de masse jusqu’\u00e0 \u00b140V, sans tous les compromis qu\u2019imposent les solutions concurrentes.<\/p>\n","protected":false},"author":9,"featured_media":119413,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-119412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Protection contre les pannes de ports USB rapides ...<\/title>\n<meta name=\"description\" content=\"Gr\u00e2ce au protecteur de pannes de port USB rapide \u00b140V MAX22505, les concepteurs peuvent d\u00e9sormais 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