{"id":63714,"date":"2020-03-02T08:10:15","date_gmt":"2020-03-02T08:10:15","guid":{"rendered":"https:\/\/\/driver-de-moteur-micro-pas-haute-resolution-a-detection-de-courant-integree\/"},"modified":"2020-03-02T08:10:15","modified_gmt":"2020-03-02T08:10:15","slug":"driver-de-moteur-micro-pas-haute-resolution-a-detection-de-courant-integree","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/driver-de-moteur-micro-pas-haute-resolution-a-detection-de-courant-integree\/","title":{"rendered":"Driver de moteur micro-pas haute r\u00e9solution \u00e0 d\u00e9tection de courant int\u00e9gr\u00e9e"},"content":{"rendered":"

Le TC78H670FTG permet de piloter des moteurs micro-pas jusqu’\u00e0 128 pas au tour, avec une tension comprise entre 2,5 V et 16 V et un courant jusqu’\u00e0 2 A. La r\u00e9sistance \u00e0 l\u2019\u00e9tat passant (RDS(ON)) est de 0.48 \u03a9 seulement, gr\u00e2ce au tout dernier processus CDMOS de Toshiba, qui r\u00e9duit les pertes et l\u2019\u00e9chauffement au sein du driver.  Le courant de veille ultra-faible de seulement 0,1 \u00b5A prolonge la vie des piles. Et la capacit\u00e9 \u00e0 fonctionner avec une interface 1,8 V \u00e0 5,0 V permet l\u2019utilisation avec un large \u00e9ventail d’h\u00f4tes et de micro-contr\u00f4leurs. Ce dispositif convient aux applications aliment\u00e9es par USB ou par pile, ainsi qu’aux appareils aliment\u00e9s par une tension syst\u00e8me de 9 \u00e0 12 V.<\/p>\n

La commande micro-pas permet de faire fonctionner les moteurs en douceur et sans bruit, avec moins de vibrations et une meilleure pr\u00e9cision angulaire en rotation. Plusieurs fonctions de s\u00e9curit\u00e9 sont int\u00e9gr\u00e9es, comme une d\u00e9tection de surintensit\u00e9, une coupure thermique et une d\u00e9tection de rupture de charge. Ce driver moteur sophistiqu\u00e9 se pr\u00e9sente en bo\u00eetier QFN16 compact de seulement 3 x 3 mm qui, gr\u00e2ce \u00e0 la d\u00e9tection de courant int\u00e9gr\u00e9e permettant d\u2019\u00e9liminer les deux grosses r\u00e9sistances de d\u00e9tection de courant externes, contribue \u00e0 r\u00e9duire les co\u00fbts et l\u2019encombrement global.<\/p>\n

toshiba.semicon-storage.com\/eu\/semiconductor\/product\/motor-driver-ics\/stepping-motor-driver-ics\/detail.TC78H670FTG.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Toshiba Electronics Europe propose un nouveau dispositif dans sa gamme de CI drivers de moteur pas-\u00e0-pas \u00e0 micro-pas. Le nouveau TC78H670FTG est un CI driver de moteur micro-pas, haute-r\u00e9solution et double canal, capable de piloter des moteurs fonctionnant sous une large gamme de tensions. Ce nouveau dispositif est destin\u00e9 \u00e0 un large \u00e9ventail d’applications grand public, notamment les imprimantes 3D, les cam\u00e9ras grand-public et les cam\u00e9ras de s\u00e9curit\u00e9, les imprimantes portables, les scanners \u00e0 main, les pico-projecteurs, et les appareils m\u00e9dicaux fonctionnant sur batterie.<\/p>\n","protected":false},"author":9,"featured_media":63715,"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-63714","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Driver de moteur micro-pas haute r\u00e9solution \u00e0 d\u00e9tection de c...<\/title>\n<meta name=\"description\" content=\"Toshiba Electronics Europe propose un nouveau dispositif dans sa gamme de CI drivers de moteur pas-\u00e0-pas \u00e0 micro-pas. 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