{"id":225037,"date":"2012-09-04T22:00:00","date_gmt":"2012-09-04T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/driver-moteur-pont-complet-dmos-avec-pwm-pour-applications-automobiles\/"},"modified":"2012-09-04T22:00:00","modified_gmt":"2012-09-04T22:00:00","slug":"driver-moteur-pont-complet-dmos-avec-pwm-pour-applications-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-moteur-pont-complet-dmos-avec-pwm-pour-applications-automobiles\/","title":{"rendered":"Driver moteur pont complet DMOS avec PWM pour applications automobiles"},"content":{"rendered":"

Ce circuit est testé sur toute la plage de tension et de température pour assurer la compatibilité avec les applications automobiles et industrielles. Il est particulièrement adapté pour les systèmes automobiles de type HVAC. Une simple interface logique est disponible pour le contrôle de la vitesse et de la direction d’un moteur DC avec un signal PWM externe. Un circuit interne de contrôle de la rectification synchrone est implémenté pour réduire la dissipation de puissance pendant un fonctionnement en PWM. Ce composant intègre des protections contre les sur-courants, les courts-circuits à la masse, à l’alimentation et moteur en court-circuit. Il inclut également une protection thermique à hystérésis, une supervision des sous-tensions sur la charge et une protection contre les courts-circuits à la commutation.
\nCe driver est proposé dans un boîtier sans plomb SOICN 8 broches avec une semelle de dissipation thermique (suffixe LJ) avec un étamage des broches 100% étain mat.<\/p>\n

 <\/p>\n

www.allegromicro.com\/en\/Products\/Motor-Driver-And-Interface-ICs\/Brush-DC-Motor-Drivers\/A4950.aspx<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

La version automobile du circuit de commande moteur pont complet A4950 vient d\u2019\u00eatre propos\u00e9e par Allegro MicroSystems Europe. Elle est con\u00e7ue pour un contr\u00f4le en PWM des moteurs DC capable de fournir un courant pic de \u00b13.5 A sous des tensions allant jusqu\u2019\u00e0 40 V. Qualifi\u00e9e AECQ100 Grade 1, elle fonctionne \u00e0 des temp\u00e9ratures ambiantes comprises entre -40 \u00b0C et +125 \u00b0C.<\/p>\n","protected":false},"author":22,"featured_media":225038,"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-225037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Driver moteur pont complet DMOS avec PWM pour applications auto...<\/title>\n<meta name=\"description\" content=\"La version automobile du circuit de commande moteur pont complet A4950 vient d\u2019\u00eatre propos\u00e9e par Allegro MicroSystems Europe. 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