{"id":445719,"date":"2024-03-09T17:41:07","date_gmt":"2024-03-09T16:41:07","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=445719"},"modified":"2024-03-09T17:41:07","modified_gmt":"2024-03-09T16:41:07","slug":"controleur-de-moteur-bldc-triphase","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-de-moteur-bldc-triphase\/","title":{"rendered":"Contr\u00f4leur de moteur BLDC triphas\u00e9"},"content":{"rendered":"<h3>Nisshinbo Micro Devices Inc. a lanc\u00e9 le circuit int\u00e9gr\u00e9 de commande de moteur BLDC triphas\u00e9 de la s\u00e9rie NA7200BE destin\u00e9 \u00e0 un usage g\u00e9n\u00e9ral tel que les moteurs de ventilateurs et autres petits moteurs BLDC.<\/h3>\n<p>Le NA7200BE polyvalent offre une gamme de fonctions permettant de concevoir un circuit riche en fonctionnalit\u00e9s pour piloter les moteurs BLDC. Une large plage de tension de fonctionnement de 6,3 \u00e0 36 V permet d&rsquo;utiliser n&rsquo;importe quel moteur aliment\u00e9 par batterie et diverses autres applications. Des MOSFETs externes sont n\u00e9cessaires pour piloter le moteur et compl\u00e9ter le circuit. Des capteurs \u00e0 effet Hall suppl\u00e9mentaires ou des circuits int\u00e9gr\u00e9s de capteurs d\u00e9terminent la position du rotor pour r\u00e9gler les sorties du contr\u00f4leur sur la prochaine position de commutation appropri\u00e9e.<\/p>\n<p>La vitesse de rotation est contr\u00f4l\u00e9e en appliquant une tension continue ou un signal PWM \u00e0 l&rsquo;entr\u00e9e VERR. En outre, la vitesse peut \u00eatre mesur\u00e9e \u00e0 l&rsquo;aide de la sortie FG pr\u00e9vue \u00e0 cet effet. Une autre entr\u00e9e FR permet de d\u00e9finir le sens de rotation pr\u00e9vu (avant ou arri\u00e8re).<\/p>\n<p>En ce qui concerne les caract\u00e9ristiques de s\u00e9curit\u00e9, une protection de verrouillage est activ\u00e9e lorsque l&rsquo;arbre du moteur est bloqu\u00e9 pendant un certain temps ; cette protection est automatiquement lib\u00e9r\u00e9e apr\u00e8s une certaine p\u00e9riode et est sp\u00e9cifi\u00e9e par un condensateur externe. La fonction de d\u00e9marrage rapide permet de r\u00e9initialiser manuellement la protection de verrouillage et de revenir rapidement \u00e0 l&rsquo;\u00e9tat initial, qui est contr\u00f4l\u00e9 en maintenant l&rsquo;entr\u00e9e VERR \u00e0 un niveau bas. En ce qui concerne les autres circuits de protection, le NA7200BE offre les fonctions suivantes<\/p>\n<p>&#8211; Un arr\u00eat thermique, d\u00e9clench\u00e9 lorsque la temp\u00e9rature de la puce d\u00e9passe 180 \u00b0C.<\/p>\n<p>&#8211; D\u00e9tection de surintensit\u00e9, mesur\u00e9e par une r\u00e9sistance de d\u00e9tection externe.<\/p>\n<p>&#8211; Verrouillage en cas de sous-tension, qui d\u00e9sactive la puce lorsque la tension de fonctionnement tombe en dessous de 5,5 V.<\/p>\n<p>Le NA7200BE est disponible dans un bo\u00eetier SSOP-20-BE peu encombrant, adapt\u00e9 aux petits moteurs BLDC avec circuit \u00e9lectrique int\u00e9gr\u00e9.<\/p>\n<p><a href=\"https:\/\/www.nisshinbo-microdevices.co.jp\/en\/\">www.nisshinbo-microdevices.co.jp\/en\/<\/a><\/p>\n<p><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nisshinbo Micro Devices Inc. a lanc\u00e9 le circuit int\u00e9gr\u00e9 de commande de moteur BLDC triphas\u00e9 de la s\u00e9rie NA7200BE destin\u00e9 \u00e0 un usage g\u00e9n\u00e9ral tel que les moteurs de ventilateurs et autres petits moteurs BLDC. Le NA7200BE polyvalent offre une gamme de fonctions permettant de concevoir un circuit riche en fonctionnalit\u00e9s pour piloter les moteurs [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":445720,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[936],"domains":[47],"ppma_author":[1154],"class_list":["post-445719","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-circuits-integres","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Contr\u00f4leur de moteur BLDC triphas\u00e9 ...<\/title>\n<meta name=\"description\" content=\"Nisshinbo Micro Devices Inc. a lanc\u00e9 le circuit int\u00e9gr\u00e9 de commande de moteur BLDC triphas\u00e9 de la s\u00e9rie NA7200BE destin\u00e9 \u00e0 un usage g\u00e9n\u00e9ral tel que...\" \/>\n<meta name=\"robots\" content=\"index, follow, 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