{"id":205028,"date":"2016-07-11T03:00:00","date_gmt":"2016-07-11T03:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuits-de-commande-de-moteur-ultra-compacts\/"},"modified":"2016-07-11T03:00:00","modified_gmt":"2016-07-11T03:00:00","slug":"circuits-de-commande-de-moteur-ultra-compacts","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuits-de-commande-de-moteur-ultra-compacts\/","title":{"rendered":"Circuits de commande de moteur ultra compacts"},"content":{"rendered":"

En int\u00e9grant les composants logiques et de puissance dans une seule et unique puce, ces circuits de commande de moteur compacts r\u00e9pondent aux besoins des applications portables et d’\u00e9lectronique port\u00e9e sur soi (wearable) les plus exigeantes. La combinaison d’une faible consommation d’\u00e9nergie, d’un facteur de forme compact et de la performance hors pair de ces circuits va permettre de contribuer \u00e0 l’adoption massive d’applications pour l’Internet des objets fonctionnant sur batterie.<\/p>\n

Propos\u00e9s en bo\u00eetier QFN de 3 x 3 mm, ces circuits int\u00e8grent toutes les fonctionnalit\u00e9s n\u00e9cessaires pour que les concepteurs puissent proposer des solutions compactes, l\u00e9g\u00e8res et d’utilisation ais\u00e9e sur leurs march\u00e9s cibles. \u00c9conomes en \u00e9nergie de batterie, ils fonctionnent sous une tension d’alimentation de seulement 1,8 V et contribuent \u00e0 la conception basse consommation avec un courant de veille ultra-faible, de moins de 80 nA en mode \u00abzero-power\u00bb lorsque le moteur est inactif.
\nPar ailleurs, ces dispositifs d\u00e9livrent un courant de commande de moteur pouvant atteindre 1,3 A efficace et, par cons\u00e9quent, conviennent \u00e0 une large gamme d’applications telles que syst\u00e8mes de positionnement robotique, moteurs d’imprimante, m\u00e9canismes de mise au point automatique sur les appareils-photo, moteurs de brosse \u00e0 dents \u00e9lectriques ou pompes pour seringues.<\/p>\n

La s\u00e9rie se compose actuellement du STSPIN220 pour moteurs pas-\u00e0-pas, du STSPIN230 pour moteurs sans balai triphas\u00e9s (BLDC) et du STSPIN240 avec deux ponts MOSFET complets int\u00e9gr\u00e9s charg\u00e9s de commander 2 moteurs \u00e0 balai en courant continu.  L’\u00e9tage de puissance dont dispose chaque circuit comprend des MOSFET int\u00e9gr\u00e9s \u00e0 haut rendement qui minimisent les pertes d’\u00e9nergie et la dissipation thermique.<\/p>\n

\n

Le STSPIN220 peut commander des moteurs pas \u00e0 pas avec une r\u00e9solution de positionnement de 256 micro-pas, ce qui assure un mouvement extr\u00eamement fluide et un positionnement de haute pr\u00e9cision.<\/p>\n

Tous ces circuits embarquent des fonctions de protection compl\u00e8tes, notamment contre les surintensit\u00e9s, les temp\u00e9ratures excessives et les courts-circuits. Ces fonctions assurent un haut niveau de robustesse et de fiabilit\u00e9, m\u00eame dans les environnements industriels les plus difficiles, sans composants suppl\u00e9mentaires, ce qui r\u00e9duit les co\u00fbts et la complexit\u00e9 du syst\u00e8me.<\/p>\n

\u00ab\u00a0Nos tout derniers circuits mono puce STSPIN ont d\u00e9montr\u00e9 leur capacit\u00e9 \u00e0 simplifier la commande de moteurs haute pr\u00e9cision et \u00e0 r\u00e9duire les d\u00e9lais de commercialisation des nouveaux produits,\u00a0\u00bb a d\u00e9clar\u00e9 Domenico Arrigo, directeur g\u00e9n\u00e9ral de la division Industrial & Power Conversion de STMicroelectronics. \u00ab\u00a0Leur tr\u00e8s faible consommation d’\u00e9nergie \u00e9tend la dur\u00e9e de fonctionnement des applications aliment\u00e9es par batterie et permet aux concepteurs d’enrichir les appareils portables et mobiles en int\u00e9grant des fonctions motoris\u00e9es \u00e0 forte valeur ajout\u00e9e.\u00a0\u00bb<\/p>\n

www.st.com\/STSPIN220<\/a><\/p>\n

www.st.com\/STSPIN230<\/a><\/p>\n

www.st.com\/STSPIN240<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Face \u00e0 la propagation de la technologie portable dans notre vie quotidienne, les circuits de commande de moteurs \u00e9lectriques ultra compacts mono puce basse consommation s\u00e9rie STSPIN de STMicroelectronics permettent de r\u00e9duire les dimensions, d’accro\u00eetre la mobilit\u00e9 et d’augmenter l’autonomie des produits sophistiqu\u00e9s aliment\u00e9s par batterie.<\/p>\n","protected":false},"author":9,"featured_media":205029,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[890],"domains":[47],"ppma_author":[1141],"class_list":["post-205028","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"Circuits de commande de moteur ultra compacts ...<\/title>\n<meta name=\"description\" content=\"Face \u00e0 la propagation de 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