{"id":444518,"date":"2024-02-22T21:26:53","date_gmt":"2024-02-22T20:26:53","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=444518"},"modified":"2024-02-22T21:27:24","modified_gmt":"2024-02-22T20:27:24","slug":"les-pilotes-de-micro-pompes-aident-au-refroidissement-par-liquide-des-smartphones","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/les-pilotes-de-micro-pompes-aident-au-refroidissement-par-liquide-des-smartphones\/","title":{"rendered":"Les pilotes de micro-pompes aident au refroidissement par liquide des smartphones"},"content":{"rendered":"

Le fournisseur Qu\u00e9b\u00e9quois de MEMS pi\u00e9zo\u00e9lectriques Bor\u00e9as Technologies propose son circuit d’attaque pi\u00e9zo\u00e9lectrique BOS1921 pour aider \u00e0 refroidir les smartphones par voie liquide.<\/span><\/h3>\n

Certains smartphones haut de gamme sont d\u00e9j\u00e0 \u00e9quip\u00e9s d’un syst\u00e8me de refroidissement passif sous la forme de chambres d’\u00e9vaporation et de condensation qui peuvent \u00eatre utilis\u00e9es pour \u00e9loigner la chaleur du processeur d’application.<\/p>\n

Cependant, l’\u00e9volution vers des t\u00e9l\u00e9phones pliables avec des \u00e9crans flexibles pourrait r\u00e9duire la zone de refroidissement et l’applicabilit\u00e9 du refroidissement passif, selon Todd Whitaker, vice-pr\u00e9sident des produits et de la strat\u00e9gie chez Boreas.<\/p>\n

Le pilote basse consommation BOS1021, associ\u00e9 \u00e0 des micro-pompes pi\u00e9zo\u00e9lectriques et \u00e0 des films de refroidissement, est adapt\u00e9 au pompage de liquide dans un syst\u00e8me de radiateur miniature scell\u00e9 pour les smartphones et autres appareils mobiles, a d\u00e9clar\u00e9 la soci\u00e9t\u00e9. Il s’agit probablement d’un liquide antigel qui permet aux t\u00e9l\u00e9phones et aux ordinateurs d’\u00eatre laiss\u00e9s dans un environnement refroidi et de continuer \u00e0 fonctionner d\u00e8s qu’ils sont allum\u00e9s.<\/p>\n

Le BOS1921 peut activer le syst\u00e8me de refroidissement \u00e0 base de micro-pompes pi\u00e9zo\u00e9lectriques dans un appareil mobile en utilisant moins d’un dixi\u00e8me de la puissance des pilotes pi\u00e9zo\u00e9lectriques concurrents, affirme l’entreprise.<\/p>\n

\u00ab\u00a0En tant que plateforme int\u00e9gr\u00e9e – qui comprend le pilote pi\u00e9zo\u00e9lectrique CapDrive BOS1921 de Bor\u00e9as, des micropompes pi\u00e9zo\u00e9lectriques et une fine couche de film de refroidissement liquide – l’approche des micro-pompes pi\u00e9zo\u00e9lectriques constitue une solution de refroidissement tr\u00e8s efficace qui disperse activement la chaleur provenant des points chauds du t\u00e9l\u00e9phone. Si elle n’est pas contr\u00f4l\u00e9e, la chaleur de ces points chauds peut entra\u00eener un dysfonctionnement ou un arr\u00eat du t\u00e9l\u00e9phone\u00a0\u00bb, a d\u00e9clar\u00e9 Simon Chaput, fondateur et PDG de Bor\u00e9as Technologies, dans un communiqu\u00e9.<\/p>\n

\u00ab\u00a0Des solutions de refroidissement pi\u00e9zo\u00e9lectriques ont \u00e9t\u00e9 pr\u00e9sent\u00e9es r\u00e9cemment dans des t\u00e9l\u00e9phones conceptuels\u00a0\u00bb, a ajout\u00e9 M. Chaput. \u00ab\u00a0Apr\u00e8s avoir constat\u00e9 l’efficacit\u00e9 thermique et la r\u00e9silience de cette approche, les fabricants de smartphones vont maintenant plus loin : ils utilisent le proc\u00e9d\u00e9 de refroidissement \u00e0 base de micro-pompes pi\u00e9zo\u00e9lectriques dans les t\u00e9l\u00e9phones de s\u00e9rie.\u00a0\u00bb<\/p>\n

\"\"

Consommation \u00e9lectrique du syst\u00e8me de refroidissement mesur\u00e9e pour l’alimentation de pompes de 5 et 10nF \u00e0 une alimentation de 3,6 et 5V. Source : Boreas Technologies : Boreas Technologies.<\/strong><\/em><\/p><\/div>\n

Le BOS1921 a une consommation d’\u00e9nergie \u00ab\u00a0solution\u00a0\u00bb comprise entre 40mW et 55mW en fonction de la capacit\u00e9 de la micro-pompe et un facteur de 11 \u00e0 14,5 par rapport aux solutions concurrentes, a d\u00e9clar\u00e9 la soci\u00e9t\u00e9. Le composant\u00a0 a une empreinte de 2,1 mm par 1,7 mm par 0,625 mm dans un bo\u00eetier WLSCSP.<\/p>\n

Le Bor\u00e9as CapDrive BOS1921 est actuellement en production de masse pour des applications de refroidissement et d’haptique dans les trackpads de PC et les appareils mobiles.<\/p>\n

Liens et articles connexes :<\/h4>\n

www.boreas.ca<\/a><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Le fournisseur Qu\u00e9b\u00e9quois de MEMS pi\u00e9zo\u00e9lectriques Bor\u00e9as Technologies propose son circuit d’attaque pi\u00e9zo\u00e9lectrique BOS1921 pour aider \u00e0 refroidir les smartphones par voie liquide. Certains smartphones haut de gamme sont d\u00e9j\u00e0 \u00e9quip\u00e9s d’un syst\u00e8me de refroidissement passif sous la forme de chambres d’\u00e9vaporation et de condensation qui peuvent \u00eatre utilis\u00e9es pour \u00e9loigner la chaleur du processeur […]<\/p>\n","protected":false},"author":11,"featured_media":444495,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881,883],"tags":[1042,918,5911,5910],"domains":[47],"ppma_author":[1143,3631],"class_list":["post-444518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","category-technologies","tag-embarque","tag-embedded-fr","tag-gestion-denergie","tag-refroidissement","domains-electronique-eci"],"acf":[],"yoast_head":"Les pilotes de micropompes peuvent refroidir les smartphones pa...<\/title>\n<meta name=\"description\" content=\"Les MEMS 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