{"id":38196,"date":"2021-01-15T08:40:44","date_gmt":"2021-01-15T08:40:44","guid":{"rendered":"https:\/\/\/des-modules-de-puissance-vicor-pour-les-satellites-boeing\/"},"modified":"2021-01-15T08:40:44","modified_gmt":"2021-01-15T08:40:44","slug":"des-modules-de-puissance-vicor-pour-les-satellites-boeing","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-modules-de-puissance-vicor-pour-les-satellites-boeing\/","title":{"rendered":"Des modules de puissance Vicor pour les satellites Boeing"},"content":{"rendered":"

L’immunit\u00e9 aux perturbations issues d\u2019un \u00e9v\u00e9nement unique est obtenue gr\u00e2ce \u00e0 une architecture redondante utilisant deux circuits identiques et parall\u00e8les, avec CI de commande \u00e0 tol\u00e9rance de pannes, log\u00e9s dans un m\u00eame bo\u00eetier SM-ChiP \u00e0 haute densit\u00e9.<\/p>\n

Les satellites de communication avanc\u00e9s n\u00e9cessitent une forte densit\u00e9 de puissance et un faible niveau de bruit. Les \u00e9tages de puissance haute fr\u00e9quence ZCS\/ZVS (commutation \u00e0 courant et tension nulles) \u00e0 commutation douce Vicor, pr\u00e9sents dans les modules ChiP \u00e0 blindage m\u00e9tallique, r\u00e9duisent le bruit de fond du syst\u00e8me d’alimentation, et assurent l’int\u00e9grit\u00e9 des signaux et la performance globale du syst\u00e8me, avec le haut niveau de fiabilit\u00e9 requis.<\/p>\n

La solution compl\u00e8te allant de la source d’alimentation au point de charge comprend quatre modules SM-ChiP : un convertisseur de bus BCM3423, 100 V nominal 300 W, de rapport K = 1\/3, en bo\u00eetier de 34 x 23 mm ; un r\u00e9gulateur PRM2919, 33 V nominal 200 W, en bo\u00eetier de 29 x 19 mm ; et deux multiplicateurs de courant VTM2919, l’un de rapport K = 1\/32 avec une sortie 0,8 V 150 A, et l’autre de rapport K = 1\/8 avec une sortie 3,4 V 50 A. La solution alimente l’ASIC directement \u00e0 partir de la source d’alimentation 100 V, en faisant appel \u00e0 un minimum de composants externes, et en assurant un faible niveau de bruit.<\/p>\n

Tous les modules sont disponibles en bo\u00eetier Vicor SM-ChiP haute densit\u00e9 \u00e0 connexions BGA avec vernis \u00e9pargne en option en face sup\u00e9rieure et inf\u00e9rieure. La temp\u00e9rature op\u00e9rationnelle des modules Chip va de -30\u00b0C \u00e0 +125\u00b0C.<\/p>\n

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

 <\/p>\n

A lire aussi :<\/strong><\/p>\n

Des drones captifs d\u00e9tachables destin\u00e9s aux missions de surveillance strat\u00e9gique<\/a><\/h3>\n

R\u00e9gulateurs buck ZVS en bo\u00eetier BGA avec option Sn-Pb<\/a><\/h3>\n

Alimentation 6U conforme VITA-62 pour applications VPX MIL-COTS<\/a><\/h3>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Vicor Corporation a annonc\u00e9 le lancement de ses premiers modules de puissance convertisseur continu-continu r\u00e9sistants aux radiations, log\u00e9s dans le nouveau bo\u00eetier plaqu\u00e9 Vicor SM-ChiP. Capables d’alimenter des ASIC basse tension jusqu’\u00e0 300 watts \u00e0 partir d’une source 100 V nominale, les modules ChiP ont \u00e9t\u00e9 test\u00e9s par Boeing pour r\u00e9sister \u00e0 une dose ionisante totale de 50 krad, et assurent une immunit\u00e9 contre les perturbations issues d\u2019un \u00e9v\u00e9nement unique. <\/p>\n","protected":false},"author":9,"featured_media":162274,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-38196","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Des modules de puissance Vicor pour les satellites Boeing ...<\/title>\n<meta name=\"description\" content=\"Vicor Corporation a annonc\u00e9 le lancement de ses premiers modules de puissance convertisseur continu-continu r\u00e9sistants aux radiations, log\u00e9s dans le...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/38196\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des modules de puissance Vicor pour les satellites Boeing\" \/>\n<meta property=\"og:description\" content=\"Vicor Corporation a annonc\u00e9 le lancement de ses premiers modules de puissance convertisseur continu-continu r\u00e9sistants aux radiations, log\u00e9s dans le nouveau bo\u00eetier plaqu\u00e9 Vicor SM-ChiP. 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