{"id":177049,"date":"2017-04-10T06:45:44","date_gmt":"2017-04-10T06:45:44","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/pmic-ultra-miniature-pour-wearables-a-vocation-medicale-ou-de-fitness\/"},"modified":"2017-04-10T06:45:44","modified_gmt":"2017-04-10T06:45:44","slug":"pmic-ultra-miniature-pour-wearables-a-vocation-medicale-ou-de-fitness","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/pmic-ultra-miniature-pour-wearables-a-vocation-medicale-ou-de-fitness\/","title":{"rendered":"PMIC ultra-miniature pour wearables \u00e0 vocation m\u00e9dicale ou de fitness"},"content":{"rendered":"<p>Ce PMIC wearable supporte une tr\u00e8s faible tension d&rsquo;entr\u00e9e de seulement 0,7 V, et jusqu\u2019\u00e0 2 V, compatible avec les batteries \u00e0 tr\u00e8s haute densit\u00e9 d\u2019\u00e9nergie de type zinc-air ou oxyde d\u2019argent, ainsi qu\u2019avec les piles alcalines classiques. Alors que les moniteurs d\u2019activit\u00e9 personnelle ou \u00e0 distance gagnent en popularit\u00e9, r\u00e9duire l\u2019encombrement et allonger la vie de la batterie restent des objectifs d\u00e9terminants.<\/p>\n<p>Plusieurs facteurs sont \u00e0 prendre en compte pour la conception d\u2019applications wearables \u00e0 vocation m\u00e9dicale ou de fitness, notamment l&rsquo;ultra-miniaturisation et une autonomie rallong\u00e9e. Cependant, les concepteurs ont typiquement besoin de composants discrets pour construire une arborescence d&rsquo;alimentation sophistiqu\u00e9e qui mobilise une place pr\u00e9cieuse sur la carte, consomme un courant de veille \u00e9lev\u00e9e, et use la batterie lorsque le dispositif est en mode veille. Dans les environnements cliniques, il existe d\u2019autres d\u00e9fis dans la mesure o\u00f9 les solutions rechargeables impliquent des contacts, des clips, ou des connecteurs de recharge, sur lesquels des germes peuvent s\u2019installer.<\/p>\n<p>Gr\u00e2ce \u00e0 la toute derni\u00e8re architecture SIMO \u00e0 inducteur simple et sorties multiples, ce PMIC g\u00e9n\u00e8re quatre sorties alimentation \u00e0 partir d&rsquo;un unique inducteur, toutes avec un courant de veille ultra-faible. Cette int\u00e9gration \u00e9lev\u00e9e r\u00e9duit de moiti\u00e9 la taille de la solution par rapport \u00e0 des solutions discr\u00e8tes comparables tout en consommant jusqu\u2019\u00e0 40% de moins au repos, allongeant ainsi la vie de la batterie. En milieu clinique, les dispositifs \u00e0 pile scell\u00e9s herm\u00e9tiquement peuvent \u00eatre d\u00e9sinfect\u00e9s sans risque entre deux utilisations, voire m\u00eame jet\u00e9s, pour emp\u00eacher toute contamination d\u2019un patient \u00e0 l\u2019autre.<\/p>\n<p>Ce circuit est donc particuli\u00e8rement bien adapt\u00e9 pour les applications comme les patches m\u00e9dicaux (sorte de pansements actifs) non-rechargeables, la surveillance d\u2019environnement ou d\u2019\u00e9quipement, ou les capteurs discrets pour l\u2019Internet des objets industriel (IIoT).<\/p>\n<hr \/>\n<p>\u00ab\u00a0Ce PMIC wearable ultra-miniature apporte un confort au patient, en particulier s\u2019agissant de dispositifs \u00e0 porter 24 heures sur 24, 7 jours sur 7,\u00a0\u00bb d\u00e9clare Frank Dowling, Directeur Industrie et Sant\u00e9, chez Maxim Integrated. \u00ab\u00a0Il am\u00e9liore aussi la dur\u00e9e de vie op\u00e9rationnelle sur batterie, un autre facteur essentiel pour les applications wearables.\u00a0\u00bb<\/p>\n<p>Fonctionnant dans une plage de temp\u00e9rature allant de -40 \u00b0C \u00e0 +85 \u00b0C, ce composant se pr\u00e9sente en petit bo\u00eetier WLP-16 de seulement 1,63 x 1,63 mm.<\/p>\n<p><a href=\"https:\/\/www.maximintegrated.com\/products\/MAX20310\" target=\"_blank\" rel=\"noopener\">www.maximintegrated.com\/MAX20310<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les concepteurs d\u2019applications wearables m\u00e9dicales et de fitness peuvent d\u00e9sormais r\u00e9duire jusqu\u2019\u00e0 50% la taille de leurs solutions et \u00e9tendre leur autonomie gr\u00e2ce au circuit de gestion d\u2019\u00e9nergie (PMIC) \u00e0 courant de veille IQ ultra-faible MAX20310 de Maxim Integrated Products.<\/p>\n","protected":false},"author":9,"featured_media":177050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[890],"domains":[47],"ppma_author":[1141],"class_list":["post-177049","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-powermanagement-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>PMIC ultra-miniature pour wearables \u00e0 vocation m\u00e9dicale ou de...<\/title>\n<meta name=\"description\" content=\"Les concepteurs d\u2019applications wearables m\u00e9dicales et de fitness peuvent d\u00e9sormais r\u00e9duire jusqu\u2019\u00e0 50% la taille de leurs solutions et \u00e9tendre leur...\" \/>\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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