{"id":225504,"date":"2012-10-29T23:00:00","date_gmt":"2012-10-29T23:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/pilote-de-grille-triphase-robuste-destine-a-lautomobile\/"},"modified":"2012-10-29T23:00:00","modified_gmt":"2012-10-29T23:00:00","slug":"pilote-de-grille-triphase-robuste-destine-a-lautomobile","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/pilote-de-grille-triphase-robuste-destine-a-lautomobile\/","title":{"rendered":"Pilote de grille triphas\u00e9 robuste destin\u00e9 \u00e0 l&rsquo;automobile"},"content":{"rendered":"<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal\">Ce circuit vise les plateformes automobiles 12 V, 24 V et 48 V fonctionnant sous des tensions de 200 V max. Il comprend un pr&eacute;-r&eacute;gulateur externe pour g&eacute;n&eacute;rer sa propre tension d&rsquo;alimentation, s&rsquo;assurant ainsi que la commande de grille n&rsquo;exc&egrave;de pas 17 V m&ecirc;me en cas de d&eacute;connexion de la charge. La broche VPR du pr&eacute;-r&eacute;gulateur peut &eacute;galement alimenter d&rsquo;autres composants du syst&egrave;me si la consommation totale ne d&eacute;passe pas 100 mA.<br \/>\nCapable de piloter six transistors MOSFET canal N ou IGBT de puissance, cette commande de grille a recours &agrave; une technique de pompe de charge (bootstrap) pour alimenter la partie haute du pont triphas&eacute;. En outre, elle comprend des fonctions de temps morts et de pr&eacute;vention contre la conduction simultan&eacute;e, ainsi que des protections avec diagnostic contre les sous-tensions et les pics de courants. Des technologies CMOS haute tension immunis&eacute;es contre le ph&eacute;nom&egrave;ne d&rsquo;emballement rendent possible cette fabrication monolithique robuste. L&rsquo;entr&eacute;e logique est compatible avec les sorties CMOS et LSTTL standard, avec un niveau logique d&eacute;marrant &agrave; 3,3 V. Le circuit de sortie comprend un &eacute;tage tampon &agrave; fortes impulsions de courant con&ccedil;u pour minimiser la conduction simultan&eacute;e au niveau des &eacute;tages de sortie. Les d&eacute;lais de propagation sont &eacute;quilibr&eacute;s pour simplifier l&rsquo;utilisation dans des applications &agrave; fr&eacute;quence &eacute;lev&eacute;e.<br \/>\nComme tous les circuits de la gamme automobile visant le z&eacute;ro d&eacute;faut, ce composant est sujet &agrave; des tests statiques et dynamiques combin&eacute;s &agrave; une inspection visuelle des tranches de silicium automatis&eacute;e &agrave; 100 %. Encapsul&eacute;e en bo&icirc;tier SOIC 28WB, il s&rsquo;av&egrave;re conforme aux standards AEC-Q100 et utilise des mat&eacute;riaux respectueux de l&rsquo;environnement, sans plomb et conformes RoHS.<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal\">&nbsp;<\/p>\n<p class=\"MsoNormal\" style=\"margin-bottom:0cm;margin-bottom:.0001pt;line-height:normal\"><a title=\"www.irf.com\" href=\"http:\/\/www.irf.com\/\" target=\"_blank\" rel=\"noopener\">www.irf.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le circuit de commande de grille triphas\u00e9 qualifi\u00e9 pour l&rsquo;automobile AUIRS20302S  d\u2019International Rectifier est destin\u00e9 aux applications 12 V, 24 V et 48 V telles que les pompes et les compresseurs d&rsquo;air conditionn\u00e9, les commandes de moteurs BLDC jusqu&rsquo;\u00e0 600 W et les commande de moteurs haute tension.<\/p>\n","protected":false},"author":22,"featured_media":225505,"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-225504","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Pilote de grille triphas\u00e9 robuste destin\u00e9 \u00e0 l&#039;automobile ...<\/title>\n<meta name=\"description\" content=\"Le circuit de commande de grille triphas\u00e9 qualifi\u00e9 pour l&#039;automobile AUIRS20302S  d\u2019International Rectifier est destin\u00e9 aux applications 12 V, 24 V et...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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