{"id":50403,"date":"2020-07-20T07:31:44","date_gmt":"2020-07-20T07:31:44","guid":{"rendered":"https:\/\/\/capteurs-de-courants-a-effet-hall-sans-derive\/"},"modified":"2020-07-20T07:31:44","modified_gmt":"2020-07-20T07:31:44","slug":"capteurs-de-courants-a-effet-hall-sans-derive","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteurs-de-courants-a-effet-hall-sans-derive\/","title":{"rendered":"Capteurs de courants \u00e0 effet Hall sans d\u00e9rive"},"content":{"rendered":"

\u00c0 l\u2019heure o\u00f9 les industries demandent des syst\u00e8mes toujours plus performants, il est n\u00e9cessaire de mesurer plus pr\u00e9cis\u00e9ment le courant et de garantir la fiabilit\u00e9 des op\u00e9rations. Souvent, cela implique des circuits plus volumineux ou une conception plus complexe. Fort de son expertise en mati\u00e8re d\u2019isolation et de solutions analogiques haute pr\u00e9cision, TI a con\u00e7u le TMCS1100 et le TMCS1101, gr\u00e2ce auxquels les ing\u00e9nieurs sont en mesure de proposer des syst\u00e8mes aux performances et aux donn\u00e9es de diagnostics coh\u00e9rentes sur une dur\u00e9e de vie plus longue, sans compromettre la compacit\u00e9 ou allonger la dur\u00e9e de conception.<\/p>\n

Am\u00e9liorer les performances du syst\u00e8me<\/u><\/strong><\/p>\n

L’architecture \u00e0 d\u00e9rive nulle et la compensation de sensibilit\u00e9 en temps r\u00e9el du TMCS1100 et du TMCS1101 sont le gage de performances tr\u00e8s \u00e9lev\u00e9es, quelles que sont les conditions de fonctionnement \u2013 notamment en cas de variations de temp\u00e9rature ou avec du mat\u00e9riel vieillissant. Gr\u00e2ce \u00e0 une d\u00e9rive thermique de sensibilit\u00e9 totale maximale de 0,45 % (au moins 200 % inf\u00e9rieure \u00e0 celle des capteurs de courant magn\u00e9tiques concurrents) et \u00e0 une d\u00e9rive du d\u00e9calage compl\u00e8te maximale inf\u00e9rieure \u00e0 0,1 %, ils garantissent la meilleure pr\u00e9cision de mesure et la plus grande fiabilit\u00e9 sur une large plage de courant. Du point de vue temporel, une d\u00e9rive de la sensibilit\u00e9 de 0,5 % sur toute leur dur\u00e9e de vie (au moins 100 % inf\u00e9rieure aux capteurs concurrents) r\u00e9duit consid\u00e9rablement la d\u00e9gradation des performances associ\u00e9e au vieillissement des syst\u00e8mes.<\/p>\n

R\u00e9duire les efforts de maintenance gr\u00e2ce \u00e0 une pr\u00e9cision ultra fine<\/u><\/strong><\/p>\n

Par ailleurs, la pr\u00e9cision ultra fine du TMCS1100 (1 % maximum) et du TMCS1101 (1,5% maximum) \u00e9limine la n\u00e9cessit\u00e9 d\u2019un \u00e9talonnage, r\u00e9duisant ainsi l\u2019effort de maintenance au fil du temps. Une lin\u00e9arit\u00e9 type de 0,05 % limite la distorsion du signal et participe \u00e0 maintenir cette pr\u00e9cision sur une large plage de temp\u00e9ratures industrielle (entre – 40 \u00b0C et \uf031\uf032\uf035 \u00b0C).<\/p>\n

Allonger la dur\u00e9e de vie du syst\u00e8me<\/u><\/strong><\/p>\n

Gr\u00e2ce \u00e0 leur grande qualit\u00e9 de construction, le TMCS1100 et le TMCS1101 assurent une isolation galvanique intrins\u00e8que, capable d’atteindre 3 kV efficaces sur 60 secondes conform\u00e9ment \u00e0 la sp\u00e9cification UL 1577 (Underwriters Laboratories). Ils peuvent ainsi fonctionner dans des conditions d\u2019environnement exigeantes sur des syst\u00e8mes reli\u00e9s \u00e0 la grille ou des solutions de puissance. Tous deux prennent en charge une tension de service de \u00b1 600 V sur toute leur dur\u00e9e de vie \u2013 soit 40 % sup\u00e9rieure aux dispositifs concurrents int\u00e9gr\u00e9s dans un bo\u00eetier SOIC \u00e0 8 broches identique. Ils ont \u00e9galement fait l\u2019objet d\u2019essais rigoureux, d\u00e9passant les exigences des normes UL et VDE en usage dans le secteur, pour une plus grande marge de conception et une dur\u00e9e de vue plus longue.<\/p>\n

www.ti.com\/tmcs1100-pr-eu<\/a><\/p>\n

www.ti.com\/tmcs1101-pr-eu<\/a><\/p>\n

Chargeurs de batteries abaisseurs-\u00e9l\u00e9vateurs<\/a><\/h3>\n

Populariser les technologies ADAS<\/a><\/h3>\n

Les cartes breakout de Pimoroni pour Raspberry Pi disponibles chez Mouser<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"

Propos\u00e9s par Texas Instruments, les capteurs de courants \u00e0 effet Hall TMCS1100 et TMCS1101 offrent la d\u00e9rive la plus faible et la pr\u00e9cision la plus fine dans le temps, sur toute la plage des temp\u00e9ratures tout en assurant une isolation \u00e0 3 kV efficaces particuli\u00e8rement importante pour les syst\u00e8mes haute tension en courant alternatif ou continu tels que les entra\u00eenements de moteurs industriels, les onduleurs solaires, les supports de stockage de l\u2019\u00e9nergie et les alimentations \u00e9lectriques.<\/p>\n","protected":false},"author":9,"featured_media":50404,"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-50403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"Capteurs de courants \u00e0 effet Hall sans d\u00e9rive ...<\/title>\n<meta name=\"description\" content=\"Propos\u00e9s par Texas Instruments, les capteurs de courants \u00e0 effet Hall TMCS1100 et TMCS1101 offrent la d\u00e9rive la plus faible et la pr\u00e9cision la plus fine...\" \/>\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\/50403\/\" \/>\n<meta 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