{"id":234332,"date":"2015-09-28T22:00:00","date_gmt":"2015-09-28T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/regulateurs-de-tension-avec-power-on-reset-et-chien-de-garde\/"},"modified":"2015-09-28T22:00:00","modified_gmt":"2015-09-28T22:00:00","slug":"regulateurs-de-tension-avec-power-on-reset-et-chien-de-garde","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/regulateurs-de-tension-avec-power-on-reset-et-chien-de-garde\/","title":{"rendered":"R\u00e9gulateurs de tension avec Power-on-Reset et chien-de-garde"},"content":{"rendered":"

Ces deux circuits sont dotés d’une fonction de réinitialisation système avec fonctionnalité chien-de-garde à fenêtre qui facilite la réinitialisation du microcontrôleur en cas de détection d’état anormal ou de plantage du processeur dans une boucle. Une protection supplémentaire est assurée par un limiteur de surintensité. En outre, ils sont basés sur le processus propriétaire BiCD pour offrir une faible consommation.
\nLe TB9021FNG présente un courant de veille de 30 µA typique. Il intègre également un transistor de sortie supportant un courant de 0.2 A qui permet de réduire le nombre de composants externes nécessaires, afin de simplifier le système. Ce modèle est doté d’une détection de température et est protégé contre toute inversion des connexions Vcc et GND (masse).
\nSupportant un courant de sortie de 1 A, voire plus en association avec un transistor de puissance externe, le TB9005FNG est bien adapté aux applications automobiles nécessitant un courant de sortie élevé. Il présente un courant de veille de 90 µA typique et comprend un limiteur de courant ajustable au moyen d’une résistance externe.\n<\/p>\n

www.toshiba.semicon-storage.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Ciblant l’industrie automobile, les r\u00e9gulateurs \u00e0 tension constante 5 V TB9005FNG et TB9021FNG de Toshiba Electronics incorporent des fonctions de r\u00e9initialisation syst\u00e8me pour microcontr\u00f4leurs et de protection de s\u00e9curit\u00e9 fonctionnelle qui contribuent \u00e0 am\u00e9liorer la s\u00e9curit\u00e9 de ces syst\u00e8mes.<\/p>\n","protected":false},"author":22,"featured_media":234333,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1149],"class_list":["post-234332","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"R\u00e9gulateurs de tension avec Power-on-Reset et chien-de-garde ...<\/title>\n<meta name=\"description\" content=\"Ciblant l'industrie automobile, les r\u00e9gulateurs \u00e0 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