{"id":125744,"date":"2018-04-03T22:31:44","date_gmt":"2018-04-03T22:31:44","guid":{"rendered":"https:\/\/\/oscillateurs-mems-de-qualite-automobile\/"},"modified":"2018-04-03T22:31:44","modified_gmt":"2018-04-03T22:31:44","slug":"oscillateurs-mems-de-qualite-automobile","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/oscillateurs-mems-de-qualite-automobile\/","title":{"rendered":"Oscillateurs MEMS de qualit\u00e9 automobile"},"content":{"rendered":"<p>Ces nouveaux composants propos\u00e9s par Microchip sont conformes \u00e0 la norme AEC-Q100 en vigueur dans l\u2019industrie automobile, avec une stabilit\u00e9 de +\/-20 ppm sur une plage de temp\u00e9rature comprise entre -40 \u00b0C et +125 \u00b0C. \u00ab&nbsp;Les solutions de timing pr\u00e9cises et fiables sont capitales pour faire face au nombre croissant de composants \u00e9lectroniques que l\u2019on trouve dans les automobiles d\u2019aujourd\u2019hui&nbsp;\u00bb, explique Rami Kanama, de la branche timing et communications de Microchip. \u00ab&nbsp;La technologie MEMS est en phase avec les tendances de d\u00e9veloppement dans l\u2019industrie automobile, et notre nouvelle famille DSA d\u2019oscillateurs MEMS et de g\u00e9n\u00e9rateurs d\u2019horloge offre aux syst\u00e8mes de meilleures performances, une meilleure fiabilit\u00e9 et une meilleure long\u00e9vit\u00e9.&nbsp;\u00bb&nbsp;<\/p>\n<p>Les oscillateurs MEMS sont construits enti\u00e8rement \u00e0 l\u2019aide de techniques de semiconducteurs standard et offrent aux syst\u00e8mes la m\u00eame fiabilit\u00e9 et la m\u00eame stabilit\u00e9 que les circuits int\u00e9gr\u00e9s. Les oscillateurs \u00e0 quartz s\u2019appuient sur l\u2019\u00e9paisseur de la pastille de quartz \u00e0 l\u2019int\u00e9rieur de l\u2019oscillateur, ce qui les rend sensibles aux dommages caus\u00e9s par les vibrations, accompagn\u00e9 de d\u00e9lais de fabrication plus longs et d\u2019une fr\u00e9quence fixe. Le d\u00e9veloppement du produit peut donc prendre du retard ainsi que les d\u00e9lais de commercialisation, si un client souhaite effectuer un changement de derni\u00e8re minute. Les oscillateurs MEMS, quant \u00e0 eux, affichent une fr\u00e9quence programm\u00e9e de mani\u00e8re logicielle, une flexibilit\u00e9 qui permet de modifier les fr\u00e9quences support\u00e9es plus rapidement, et d\u2019augmenter les volumes produits afin que les clients puissent respecter leur calendrier de production. &nbsp;<\/p>\n<p>En tant que premier oscillateur MEMS \u00e0 deux sorties, le DSA2311 peut remplacer deux quartz ou deux oscillateurs sur la carte. Le composant permet un gain de place sur la carte, une \u00e9conomie sur les co\u00fbts et facilite les processus de d\u00e9veloppement en permettant au client de g\u00e9rer ses fournitures et diminuer ses d\u00e9penses mat\u00e9rielles. Le DSA2311 est encapsul\u00e9 dans un bo\u00eetier miniature de 2,5&nbsp;mm&nbsp;x&nbsp;2,0&nbsp;mm et est adapt\u00e9 pour les applications qui requi\u00e8rent une carte complexe avec de multiples contr\u00f4leurs, tels que les syst\u00e8mes d\u2019info-loisirs et les modules de cam\u00e9ra.&nbsp;<\/p>\n<p>Les MEMS de la famille DSA viennent compl\u00e9ter le large portefeuille Microchip de solutions automobiles, qui comprend des microcontr\u00f4leurs, des produits analogiques et des composants de connectivit\u00e9, offrant aux fabricants la possibilit\u00e9 de regrouper leurs achats aupr\u00e8s d\u2019un m\u00eame fournisseur pour tous leurs besoins. Quel que soit le composant choisi par le client, tous les produits b\u00e9n\u00e9ficient de la politique d\u2019obsolescence de Microchip orient\u00e9e client, qui assure la disponibilit\u00e9 de ses produits aussi longtemps que les clients en ont besoin.&nbsp;<\/p>\n<p><u>Outils de d\u00e9veloppement compatibles<\/u><\/p>\n<p>L\u2019outil de configuration en ligne ClockWorks de Microchip permet aux d\u00e9veloppeurs de commander des \u00e9chantillons gratuits et de choisir en toute simplicit\u00e9 le bon oscillateur en fonction de la fr\u00e9quence, de la taille du bo\u00eetier et de la plage de temp\u00e9ratures, \u00e0 la page <a href=\"http:\/\/clockworks.microchip.com\/timing\">clockworks.microchip.com\/timing<\/a>.<\/p>\n<p><a href=\"http:\/\/www.microchip.com\/timing\/automotive\">www.microchip.com\/timing\/automotive<\/a><\/p>\n<h3 class=\"title\"><a href=\"http:\/\/www.electronique-eci.com\/news\/quand-le-controle-numerique-sassocie-lanalogique-intelligent\">Quand le contr\u00f4le num\u00e9rique s\u2019associe \u00e0 l\u2019analogique intelligent <\/a><\/h3>\n<h3 class=\"title\"><a href=\"http:\/\/www.electronique-eci.com\/Learning-center\/de-la-logique-qui-simplifie-la-vie\">De la logique qui simplifie la vie<\/a><\/h3>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les solutions de timing dot\u00e9es d\u2019une excellente stabilit\u00e9 en fr\u00e9quence sur une large plage de temp\u00e9ratures sont essentielles pour des applications telles que les syst\u00e8mes avanc\u00e9s d&rsquo;assistance au conducteur (ADAS), la d\u00e9tection LiDAR (Light Detection and Ranging), l\u2019Ethernet \u00e0 bord d\u2019un v\u00e9hicule et la conduite automatique de v\u00e9hicules. Disponibles en bo\u00eetiers r\u00e9duits, les nouveaux composants DSA1001, DSA11x1, DSA11x5 et DSA2311 de Microchip offrent une tol\u00e9rance in\u00e9gal\u00e9e aux chocs m\u00e9caniques et aux secousses, ainsi qu\u2019une excellente stabilit\u00e9 en environnement s\u00e9v\u00e8re, sur une plage de fr\u00e9quences allant de 2,3\u00a0MHz \u00e0 170\u00a0MHz. <\/p>\n","protected":false},"author":9,"featured_media":125745,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-125744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Oscillateurs MEMS de qualit\u00e9 automobile ...<\/title>\n<meta name=\"description\" content=\"Les solutions de timing dot\u00e9es d\u2019une excellente stabilit\u00e9 en fr\u00e9quence sur une large plage de temp\u00e9ratures sont essentielles pour des applications...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/125744\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oscillateurs MEMS de qualit\u00e9 automobile\" \/>\n<meta property=\"og:description\" content=\"Les solutions de timing dot\u00e9es d\u2019une excellente stabilit\u00e9 en fr\u00e9quence sur une large plage de temp\u00e9ratures sont essentielles pour des applications telles que les syst\u00e8mes avanc\u00e9s d&#039;assistance au conducteur (ADAS), la d\u00e9tection LiDAR (Light Detection and Ranging), l\u2019Ethernet \u00e0 bord d\u2019un v\u00e9hicule et la conduite automatique de v\u00e9hicules. 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