{"id":471821,"date":"2025-02-03T20:17:51","date_gmt":"2025-02-03T19:17:51","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=471821"},"modified":"2025-02-03T20:17:51","modified_gmt":"2025-02-03T19:17:51","slug":"pilote-a-double-pont-en-h-pour-actionneurs-piezoelectriques","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/pilote-a-double-pont-en-h-pour-actionneurs-piezoelectriques\/","title":{"rendered":"Pilote \u00e0 double pont en H pour actionneurs pi\u00e9zo\u00e9lectriques"},"content":{"rendered":"<h3><span style=\"font-size: 16px;\">Nisshinbo Micro Devices a mis au point un pilote de pont en H \u00e0 deux canaux avec un convertisseur d&rsquo;appoint pour piloter des actionneurs pi\u00e9zo\u00e9lectriques pour des modules de cam\u00e9ra et des dispositifs haptiques.<\/span><\/h3>\n<p>Le ND1130 est fabriqu\u00e9 dans un processus BiCMOS pour fournir jusqu&rsquo;\u00e0 40 V \u00e0 partir d&rsquo;une batterie Li-ion mono-cellule ou d&rsquo;une alimentation 5 V avec une gamme de fr\u00e9quence de commutation \u00e9lev\u00e9e de 380 kHz \u00e0 1 MHz.<\/p>\n<p>Avec un courant de commutation de 1,5 A et un contr\u00f4le PWM, le pilote de pont en H supporte des tensions de fonctionnement de 7 V \u00e0 35 V et des fr\u00e9quences de signal d&rsquo;E\/S jusqu&rsquo;\u00e0 300 kHz. La protection comprend une protection contre les surintensit\u00e9s, un arr\u00eat thermique, un verrouillage en cas de sous-tension et une sortie d&rsquo;indication de d\u00e9faut.<\/p>\n<p>Le ND1130 minimise l&rsquo;espace occup\u00e9 sur le circuit imprim\u00e9 et est disponible dans un bo\u00eetier WLCSP-30-ZA1 \u00e0 l&rsquo;\u00e9chelle de la puce mesurant 2,32 \u00d7 2,37 mm typ. avec une \u00e9paisseur maximale de 0,6 mm pour les modules de cam\u00e9ra avec de petits actionneurs pi\u00e9zo\u00e9lectriques pour contr\u00f4ler l&rsquo;autofocus (AF), la stabilisation optique de l&rsquo;image (OIS) et le zoom, ainsi que les projecteurs miniatures, les syst\u00e8mes de retour haptique.<\/p>\n<p>Pour un prototypage et un d\u00e9veloppement rapides, des cartes d&rsquo;\u00e9valuation comportant le dispositif \u00e0 pont en H sont disponibles, assurant une int\u00e9gration transparente dans vos projets. Un sch\u00e9ma de circuit complet et des informations compl\u00e9mentaires simplifient le processus de conception.<\/p>\n<p><a href=\"http:\/\/www.nisshinbo-microdevices.co.jp\/en\/\">www.nisshinbo-microdevices.co.jp\/en\/<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nisshinbo Micro Devices a mis au point un pilote de pont en H \u00e0 deux canaux avec un convertisseur d&rsquo;appoint pour piloter des actionneurs pi\u00e9zo\u00e9lectriques pour des modules de cam\u00e9ra et des dispositifs haptiques. Le ND1130 est fabriqu\u00e9 dans un processus BiCMOS pour fournir jusqu&rsquo;\u00e0 40 V \u00e0 partir d&rsquo;une batterie Li-ion mono-cellule ou d&rsquo;une [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":471613,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[8848,4374],"domains":[47],"ppma_author":[3640,1143],"class_list":["post-471821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-convertisseur","tag-gestion-de-puissance","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Pilote \u00e0 double pont en H pour actionneurs pi\u00e9zo\u00e9lectriques ...<\/title>\n<meta name=\"description\" content=\"pilote de pont en H \u00e0 deux canaux avec un convertisseur d&#039;appoint pour piloter des actionneurs pi\u00e9zo\u00e9lectriques .\" \/>\n<meta name=\"robots\" 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