{"id":234104,"date":"2015-09-03T22:00:00","date_gmt":"2015-09-03T22:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/controleur-de-pont-en-h-qualifie-automobile\/"},"modified":"2015-09-03T22:00:00","modified_gmt":"2015-09-03T22:00:00","slug":"controleur-de-pont-en-h-qualifie-automobile","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/controleur-de-pont-en-h-qualifie-automobile\/","title":{"rendered":"Contr\u00f4leur de pont en H qualifi\u00e9 automobile"},"content":{"rendered":"

Le circuit intègre un régulateur à pompe de charge délivrant une tension de "gate" de 10 V au dessus de la tension batterie, et cela jusqu’à une tension batterie aussi basse que 7 V. Il permet également un pilotage à tension réduite jusqu’à 5.5 V. Une capacité de bootstrap est utilisée pour fournir la tension batterie demandée par les transistors MOSFETs canal N.
\nUne entrée logique est disponible pour piloter chacun des 4 MOSFETs de puissance du pont en H, autorisant un pilotage du moteur avec différents signaux PWM définis par un microcontrôleur externe. Les transistors de puissance MOSFETs sont protégés contre les conductions de court-circuit par un contrôle intégré. Les courts-circuits des phases moteur à la batterie ou à la masse sont détectés par un système indépendant mesurant la tension drain-source de chaque transistor MOSFET. Les conditions d’erreur de court-circuit, de sous-tension et de surchauffe sont indiquées par une sortie collecteur ouvert commune.
\nCe composant est proposé en boîtier TSSOP 24 broches avec une semelle de dissipation thermique (boîtier type LP). Ce boîtier est garanti sans plomb avec un étamage 100% à l’étain mat (suffixe -T).<\/p>\n

www.allegromicro.com\/A5929<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Le contr\u00f4leur de pont en H A5929 vient d\u2019\u00eatre d\u00e9velopp\u00e9 par Allegro Microsystems pour piloter des transistors de puissance MOSFETs canal N dans les applications automobiles incluant les syst\u00e8mes alterno-d\u00e9marreurs (ISG).<\/p>\n","protected":false},"author":22,"featured_media":234105,"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-234104","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Contr\u00f4leur de pont en H qualifi\u00e9 automobile ...<\/title>\n<meta name=\"description\" content=\"Le contr\u00f4leur de pont en H A5929 vient d\u2019\u00eatre d\u00e9velopp\u00e9 par Allegro Microsystems pour piloter des transistors de puissance MOSFETs canal N dans 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