{"id":3029,"date":"2025-11-06T09:10:38","date_gmt":"2025-11-06T14:10:38","guid":{"rendered":"https:\/\/pnlabs.ca\/circuit-de-protection-open-source-entierement-construit-a-partir-de-circuits-integres-analogiques\/"},"modified":"2026-01-27T22:10:45","modified_gmt":"2026-01-28T03:10:45","slug":"circuit-de-protection-open-source-entierement-construit-a-partir-de-circuits-integres-analogiques","status":"publish","type":"post","link":"https:\/\/pnlabs.ca\/fr\/circuit-de-protection-open-source-entierement-construit-a-partir-de-circuits-integres-analogiques\/","title":{"rendered":"Circuit de protection open source enti\u00e8rement construit \u00e0 partir de circuits int\u00e9gr\u00e9s analogiques"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3029\" class=\"elementor elementor-3029 elementor-2273\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c8819f e-flex e-con-boxed e-con e-parent\" data-id=\"4c8819f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a81a46e e-con-full e-flex e-con e-child\" data-id=\"a81a46e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1e66dd9 elementor-widget elementor-widget-text-editor\" data-id=\"1e66dd9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L&rsquo;APPM (Active Power Protection Module) est un module de protection d&rsquo;alimentation enti\u00e8rement analogique et r\u00e9glable pour la protection contre les surtensions, les sous-tensions, l&rsquo;inversion de polarit\u00e9 et les courts-circuits. Pas de circuits int\u00e9gr\u00e9s sp\u00e9cifiques (ASIC) \u00ab\u00a0bo\u00eete noire\u00a0\u00bb. Juste des comparateurs, des FET, des fusibles et des r\u00e9f\u00e9rences de tension.   <\/p><p>L&rsquo;aboutissement de pr\u00e8s d&rsquo;un an en tant qu&rsquo;\u00e9tudiant en \u00e9lectronique travaillant pendant mon temps libre. J&rsquo;ai commenc\u00e9 \u00e0 travailler sur ce projet apr\u00e8s avoir d\u00e9truit un servomoteur intelligent en appliquant une tension trop \u00e9lev\u00e9e.  <\/p><p>Pour ceux qui recherchent le produit fini que je vends maintenant, consultez les mod\u00e8les <a href=\"https:\/\/pnlabs.ca\/fr\/shop\/protection\/\">Protect<\/a> et <a href=\"https:\/\/pnlabs.ca\/shop\/protect-nano-power-protection-3-3-5-12v\/\">Protect Nano.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4384b34 e-con-full e-flex e-con e-child\" data-id=\"4384b34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-166b223 elementor-arrows-position-inside elementor-pagination-position-outside elementor-widget elementor-widget-image-carousel\" data-id=\"166b223\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;slides_to_show&quot;:&quot;1&quot;,&quot;lazyload&quot;:&quot;yes&quot;,&quot;navigation&quot;:&quot;both&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;infinite&quot;:&quot;yes&quot;,&quot;effect&quot;:&quot;slide&quot;,&quot;speed&quot;:500}\" data-widget_type=\"image-carousel.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-carousel-wrapper swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Image Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"elementor-image-carousel swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 sur 5\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-e1751864541873.jpg\" alt=\"APPM\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 sur 5\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/image1-scaled-e1751933388464.jpeg\" alt=\"image1\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 sur 5\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-WITH-BETTER-LABELLED-FEATURES.jpg\" alt=\"APPM AVEC DES FONCTIONNALIT\u00c9S MIEUX \u00c9TIQUET\u00c9ES\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 sur 5\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/image2-scaled-e1751933479266.jpeg\" alt=\"image2\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div><div class=\"swiper-slide\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"5 sur 5\"><figure class=\"swiper-slide-inner\"><img class=\"swiper-slide-image swiper-lazy\" data-src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/ECB-Flow-diagram.jpg\" alt=\"Diagramme de flux ECB\" \/><div class=\"swiper-lazy-preloader\"><\/div><\/figure><\/div>\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\">\n\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-692ba9d e-flex e-con-boxed e-con e-parent\" data-id=\"692ba9d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-28776b9 e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"28776b9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;start&quot;,&quot;horizontal_scroll_mobile&quot;:&quot;disable&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"42432185\" aria-label=\"Onglets. Ouvrez des \u00e9l\u00e9ments avec Entrer ou Espace, fermez-les avec Echape et naviguez \u00e0 l&#039;aide des touches fl\u00e9ch\u00e9es.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-424321851\" data-tab-title-id=\"e-n-tab-title-424321851\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-424321851\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDescription\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-424321852\" data-tab-title-id=\"e-n-tab-title-424321852\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-424321852\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tSp\u00e9cifications\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-424321853\" data-tab-title-id=\"e-n-tab-title-424321853\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-424321853\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDessins\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-424321854\" data-tab-title-id=\"e-n-tab-title-424321854\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-424321854\" style=\"--n-tabs-title-order: 4;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tExplication de la conception\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-424321851\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-424321851\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-3c7e08f e-con-full e-flex e-con e-child\" data-id=\"3c7e08f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d25c9b8 e-flex e-con-boxed e-con e-child\" data-id=\"d25c9b8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6592bb1 elementor-widget elementor-widget-heading\" data-id=\"6592bb1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\ud83d\udcdd Aper\u00e7u<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d4054d elementor-widget elementor-widget-text-editor\" data-id=\"9d4054d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"208\" data-end=\"562\">Le module de protection d&rsquo;alimentation active est un module de protection \u00e9lectronique dot\u00e9 de MOSFET \u00e0 canal P et N dos \u00e0 dos pour prot\u00e9ger les appareils \u00e9lectroniques aliment\u00e9s en courant continu contre les surtensions, l&rsquo;inversion de polarit\u00e9 et les conditions de surintensit\u00e9.<\/p><p class=\"\" data-start=\"208\" data-end=\"562\">Il se situe entre votre source d&rsquo;alimentation et votre charge, surveillant en permanence les conditions d&rsquo;entr\u00e9e et d\u00e9connectant la charge si des niveaux de tension dangereux sont d\u00e9tect\u00e9s. Il dispose \u00e9galement d&rsquo;un emplacement pour un fusible \u00e0 cartouche de 6,35 x 35 mm jusqu&rsquo;\u00e0 15 A. <\/p><p class=\"\" data-start=\"564\" data-end=\"664\">Parfait pour les syst\u00e8mes de 5 \u00e0 24 V et fonctionnant avec une bonne efficacit\u00e9, l&rsquo;APPM est \u00e0 vous de t\u00e9l\u00e9charger, de d\u00e9velopper et d&rsquo;apprendre. Nous avons un nombre limit\u00e9 de modules d\u00e9j\u00e0 pr\u00e9par\u00e9s que nous pouvons envoyer si vous en voulez un d\u00e9j\u00e0 assembl\u00e9. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9bd176 elementor-widget elementor-widget-heading\" data-id=\"e9bd176\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u2705 Principales caract\u00e9ristiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf8d4b7 elementor-widget elementor-widget-text-editor\" data-id=\"cf8d4b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-start=\"693\" data-end=\"929\"><strong data-start=\"693\" data-end=\"739\">Protection r\u00e9glable contre les surtensions et les sous-tensions (5\u201324 V)&nbsp;:<\/strong><br data-start=\"739\" data-end=\"742\">D\u00e9finissez vos seuils de coupure en tournant les potentiom\u00e8tres int\u00e9gr\u00e9s tout en mesurant les r\u00e9f\u00e9rences de tension \u00e0 l&rsquo;aide de l&rsquo;\u00e9quation. Lorsque la tension d&rsquo;entr\u00e9e se situe en dehors de la plage autoris\u00e9e, le comparateur APPM coupe automatiquement le transistor de blocage et se r\u00e9tablit automatiquement lorsque les conditions se normalisent. <\/li><li data-start=\"693\" data-end=\"929\"><strong data-start=\"933\" data-end=\"983\">Protection contre l&rsquo;inversion de polarit\u00e9&nbsp;:<\/strong><br data-start=\"983\" data-end=\"986\">Utilise un MOSFET \u00e0 canal P de qualit\u00e9 automobile pour une protection efficace contre l&rsquo;inversion de polarit\u00e9.<\/li><li data-start=\"693\" data-end=\"929\"><strong data-start=\"1515\" data-end=\"1543\">Fusible en option&nbsp;:<\/strong><br data-start=\"1543\" data-end=\"1546\">Retirez le cavalier CMS et fixez un fusible \u00e0 cartouche de 6,35 x 32&nbsp;mm au support int\u00e9gr\u00e9. Le support est con\u00e7u pour supporter jusqu&rsquo;\u00e0 15&nbsp;A. <\/li><li data-start=\"693\" data-end=\"929\"><strong data-start=\"1691\" data-end=\"1724\">Signal d&rsquo;erreur&nbsp;:<\/strong><br data-start=\"1724\" data-end=\"1727\">Signal d&rsquo;erreur \u00e0 faible imp\u00e9dance qui d\u00e9tecte les conditions de surtension\/sous-tension avec des niveaux de tension configurables par l&rsquo;utilisateur de 1,8, 3,3 et 5&nbsp;V. Vous pouvez fournir environ 15&nbsp;mA via cette broche.<\/li><li data-start=\"693\" data-end=\"929\"><strong data-start=\"1847\" data-end=\"1868\">Quatre LED d&rsquo;\u00e9tat&nbsp;:<\/strong><ul><li data-start=\"693\" data-end=\"929\"><strong data-start=\"1875\" data-end=\"1884\">SAFE<\/strong> = L&rsquo;alimentation circule en toute s\u00e9curit\u00e9<\/li><li class=\"\" data-start=\"1873\" data-end=\"1912\"><p class=\"\" data-start=\"1875\" data-end=\"1912\"><strong>OV FAULT<\/strong> = La tension d&rsquo;entr\u00e9e est sup\u00e9rieure au seuil admissible. Ajustez le potentiom\u00e8tre OV ou diminuez la tension d&rsquo;entr\u00e9e. <\/p><\/li><li class=\"\" data-start=\"1873\" data-end=\"1912\"><p class=\"\" data-start=\"1875\" data-end=\"1912\"><strong>UV FAULT<\/strong> = La tension d&rsquo;entr\u00e9e est inf\u00e9rieure au seuil admissible. Ajustez le potentiom\u00e8tre UV ou augmentez la tension d&rsquo;entr\u00e9e. <\/p><\/li><li><strong>POLARITY FAULT<\/strong> = L&rsquo;entr\u00e9e est connect\u00e9e avec la mauvaise polarit\u00e9.  <\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70e792a elementor-widget elementor-widget-heading\" data-id=\"70e792a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u2699\ufe0f R\u00e9glage de la limite de tension<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-633807b elementor-widget elementor-widget-text-editor\" data-id=\"633807b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"192\" data-end=\"362\">L&rsquo;APPM permet aux utilisateurs de d\u00e9finir pr\u00e9cis\u00e9ment les seuils de coupure de surtension et de sous-tension en ajustant les potentiom\u00e8tres int\u00e9gr\u00e9s, ce qui ajuste les tensions de r\u00e9f\u00e9rence.<\/p><h4 class=\"\" data-start=\"364\" data-end=\"389\">\ud83d\udca1 \u00c9quations de coupure<\/h4><p class=\"\" data-start=\"390\" data-end=\"457\">Pour d\u00e9finir les coupures, commencez par calculer la tension de r\u00e9f\u00e9rence OV n\u00e9cessaire \u00e0 l&rsquo;aide de l&rsquo;\u00e9quation ci-dessous. Il est important de le faire avant de d\u00e9finir la r\u00e9f\u00e9rence UV, car elle est divis\u00e9e par la tension de r\u00e9f\u00e9rence OV. <\/p><p class=\"\" data-start=\"390\" data-end=\"457\">calculez la tension de coupure souhait\u00e9e \u00e0 l&rsquo;aide de la formule suivante&nbsp;:<\/p><p><strong>Limite de tension OV = 3,14* VREF+<\/strong><\/p><p>VREF+ est mesur\u00e9e \u00e0 partir de son plot par rapport \u00e0 la masse.<\/p><p class=\"\" data-start=\"537\" data-end=\"602\"><strong>Limite de tension UV = 2,7*VREF-<\/strong><\/p><p class=\"\" data-start=\"537\" data-end=\"602\">VREF- est mesur\u00e9e \u00e0 partir de son plot par rapport \u00e0 la masse.<\/p><p class=\"\" data-start=\"604\" data-end=\"794\">Vous pouvez mesurer la tension entre les points de test avec un multim\u00e8tre tout en ajustant les potentiom\u00e8tres avec un tournevis. Cela permet un contr\u00f4le pr\u00e9cis du seuil de protection. <\/p><p class=\"\" data-start=\"604\" data-end=\"794\"><strong data-start=\"798\" data-end=\"812\">Important&nbsp;:<\/strong> Ajustez toujours la limite OV en premier, car la limite UV est d\u00e9riv\u00e9e d&rsquo;une division suppl\u00e9mentaire de la tension de r\u00e9f\u00e9rence OV (VREF+).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-73b178c elementor-widget elementor-widget-heading\" data-id=\"73b178c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\ud83d\udea8 Comportement de la protection contre les surtensions et les sous-tensions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd5035d elementor-widget elementor-widget-text-editor\" data-id=\"fd5035d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"942\" data-end=\"998\">Lorsque la tension d&rsquo;entr\u00e9e se situe en dehors de la limite OVC configur\u00e9e&nbsp;:<\/p><ul data-start=\"999\" data-end=\"1162\"><li class=\"\" data-start=\"999\" data-end=\"1063\"><p class=\"\" data-start=\"1001\" data-end=\"1063\">L&rsquo;APPM d\u00e9sactive la sortie, \u00e9teignant la LED SAFE.<\/p><\/li><li class=\"\" data-start=\"1064\" data-end=\"1101\"><p class=\"\" data-start=\"1066\" data-end=\"1101\">La LED <strong data-start=\"1070\" data-end=\"1082\">OV ou UV Fault<\/strong> s&rsquo;allume<\/p><\/li><li class=\"\" data-start=\"1102\" data-end=\"1162\"><p class=\"\" data-start=\"1104\" data-end=\"1162\">La broche de signal <strong data-start=\"1108\" data-end=\"1117\">ERROR<\/strong> passe \u00e0 l&rsquo;\u00e9tat haut \u00e0 la tension s\u00e9lectionn\u00e9e par l&rsquo;utilisateur, si l&rsquo;un des cavaliers est soud\u00e9.<\/p><\/li><\/ul><p class=\"\" data-start=\"1164\" data-end=\"1338\">Le module <strong data-start=\"1180\" data-end=\"1207\">r\u00e9activera automatiquement<\/strong> la sortie une fois que la tension d&rsquo;entr\u00e9e reviendra dans la plage admissible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-026d3f1 elementor-widget elementor-widget-heading\" data-id=\"026d3f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u26a1 Comportement de la protection contre l'inversion de polarit\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ea95722 elementor-widget elementor-widget-text-editor\" data-id=\"ea95722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Si le module est soumis \u00e0 une inversion de polarit\u00e9 sur l&rsquo;entr\u00e9e, le voyant POLARITY FAULT s&rsquo;allume et le MOSFET \u00e0 canal P est d\u00e9sactiv\u00e9, emp\u00eachant l&rsquo;alimentation de revenir \u00e0 la charge.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f33b383 elementor-widget elementor-widget-heading\" data-id=\"f33b383\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\ud83d\udfe2Fonctionnement normal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c6a9a0 elementor-widget elementor-widget-text-editor\" data-id=\"1c6a9a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"\" data-start=\"1370\" data-end=\"1412\">Lors d&rsquo;un fonctionnement dans les limites de tension de s\u00e9curit\u00e9&nbsp;:<\/p><ul data-start=\"1413\" data-end=\"1529\"><li class=\"\" data-start=\"1413\" data-end=\"1454\"><p class=\"\" data-start=\"1415\" data-end=\"1454\">La LED <strong data-start=\"1419\" data-end=\"1427\">Safe<\/strong> est allum\u00e9e<\/p><\/li><li class=\"\" data-start=\"1455\" data-end=\"1529\"><p class=\"\" data-start=\"1457\" data-end=\"1529\">Le signal <strong data-start=\"1461\" data-end=\"1470\">ERROR s<\/strong> est maintenu bas.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-424321852\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-424321852\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\" elementor-element elementor-element-bdf2390 e-con-full e-flex e-con e-child\" data-id=\"bdf2390\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee56f4e elementor-widget elementor-widget-heading\" data-id=\"ee56f4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\ud83d\udcd0 Sp\u00e9cifications du produit<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ad0b47f e-flex e-con-boxed e-con e-child\" data-id=\"ad0b47f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2ed382d elementor-widget elementor-widget-text-editor\" data-id=\"2ed382d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li class=\"\" data-start=\"115\" data-end=\"153\"><p class=\"\" data-start=\"117\" data-end=\"153\"><strong data-start=\"117\" data-end=\"139\">Tension de fonctionnement&nbsp;:<\/strong> 5&nbsp;\u2013&nbsp;24&nbsp;V&nbsp;CC, tensions de blocage jusqu&rsquo;\u00e0 30&nbsp;V.<\/p><\/li><li class=\"\" data-start=\"154\" data-end=\"193\"><p class=\"\" data-start=\"156\" data-end=\"193\"><strong data-start=\"156\" data-end=\"185\">Puissance continue maximale&nbsp;:<\/strong> 445&nbsp;W<\/p><\/li><li class=\"\" data-start=\"194\" data-end=\"347\"><p class=\"\" data-start=\"196\" data-end=\"250\"><strong data-start=\"196\" data-end=\"227\">Courant continu maximal&nbsp;:<\/strong> 18,5&nbsp;A \u00e0 25&nbsp;\u00b0C ambiante. 15&nbsp;A si vous utilisez le porte-fusible. <\/p><blockquote data-start=\"253\" data-end=\"347\"><p class=\"\" data-start=\"255\" data-end=\"347\">Consultez l&rsquo;image thermique et les donn\u00e9es ci-dessous pour conna\u00eetre les performances \u00e0 18,5&nbsp;A.<\/p><\/blockquote><\/li><li class=\"\" data-start=\"397\" data-end=\"499\"><p class=\"\" data-start=\"399\" data-end=\"499\"><strong data-start=\"399\" data-end=\"422\">\u26a0\ufe0f Avertissement thermique&nbsp;:<\/strong> Assurez-vous que la temp\u00e9rature de la carte ne d\u00e9passe pas <strong data-start=\"468\" data-end=\"478\">110&nbsp;\u00b0C<\/strong> dans toutes les conditions.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2421374 elementor-widget elementor-widget-heading\" data-id=\"2421374\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tests thermiques (5&nbsp;V 18,5&nbsp;A \u00e0 25&nbsp;\u00b0C ambiante - Moins efficace)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78d04ce elementor-widget elementor-widget-image\" data-id=\"78d04ce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"240\" height=\"320\" src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Rev-E-showing-45-C-rise-at-18.5-A.jpg\" class=\"attachment-full size-full wp-image-1707\" alt=\"\" srcset=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Rev-E-showing-45-C-rise-at-18.5-A.jpg 240w, https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Rev-E-showing-45-C-rise-at-18.5-A-225x300.jpg 225w\" sizes=\"(max-width: 240px) 100vw, 240px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1672609 elementor-widget elementor-widget-image\" data-id=\"1672609\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"577\" height=\"525\" src=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Efficiency.jpg\" class=\"attachment-full size-full wp-image-1708\" alt=\"\" srcset=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Efficiency.jpg 577w, https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-Efficiency-300x273.jpg 300w\" sizes=\"(max-width: 577px) 100vw, 577px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Efficacit\u00e9 en fonction de la consommation de courant. Notez que le passage de 18,5 A est possible \u00e0 tous les niveaux de tension, le test a \u00e9t\u00e9 limit\u00e9 par la charge \u00e9lectronique utilis\u00e9e. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-424321853\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-424321853\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\" elementor-element elementor-element-e322571 e-con-full e-flex e-con e-child\" data-id=\"e322571\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-65f7392 e-flex e-con-boxed e-con e-child\" data-id=\"65f7392\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-840a200 elementor-widget elementor-widget-heading\" data-id=\"840a200\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/APPM-KiCAD-Project-files.zip\">Fichiers de projet KiCAD (cliquez)<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cd0baa5 elementor-widget elementor-widget-heading\" data-id=\"cd0baa5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/ECB-V5-Prod-files.zip\">Fichiers Gerber KiCAD \u00e0 t\u00e9l\u00e9charger sur JLCPCB (cliquez)<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-14e46eb elementor-widget elementor-widget-heading\" data-id=\"14e46eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/pnlabs.ca\/wp-content\/uploads\/2025\/07\/Diagrams-ECB.drawio.pdf\">Organigramme de la carte<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d807620 elementor-widget elementor-widget-text-editor\" data-id=\"d807620\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La carte a des dimensions globales de 50 x 65 mm. Quatre trous de montage M2 sont inclus. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-424321854\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-424321854\" data-tab-index=\"4\" style=\"--n-tabs-title-order: 4;\" class=\" elementor-element elementor-element-4554f31 e-flex e-con-boxed e-con e-child\" data-id=\"4554f31\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8703783 e-con-full e-flex e-con e-child\" data-id=\"8703783\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d0a4f02 elementor-widget elementor-widget-text-editor\" data-id=\"d0a4f02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Le module de protection d&rsquo;alimentation active est un dispositif de protection simple, mais efficace. Il utilise des MOSFET \u00e0 canal P et N dos \u00e0 dos et une logique num\u00e9rique pour fournir un chemin d&rsquo;alimentation remarquablement efficace avec des indicateurs d&rsquo;\u00e9tat orient\u00e9s utilisateur. <\/p><p>Un MOSFET \u00e0 canal P a \u00e9t\u00e9 choisi pour fournir une protection contre l&rsquo;inversion de polarit\u00e9 avec un rendement plus \u00e9lev\u00e9 qu&rsquo;une diode Schottky. Un MOSFET \u00e0 canal N a \u00e9t\u00e9 choisi pour sa r\u00e9sistance drain-source plus faible lorsqu&rsquo;il est enti\u00e8rement satur\u00e9 en raison de la mobilit\u00e9 \u00e9lectronique plus \u00e9lev\u00e9e du silicium de type n, et un pilote de grille correspondant a \u00e9t\u00e9 choisi pour permettre \u00e0 la tension de grille d&rsquo;\u00eatre augment\u00e9e au-dessus de la source. <\/p><p>Un ampli-op quadruple LM324 a \u00e9t\u00e9 choisi comme circuit int\u00e9gr\u00e9 principal, car il peut \u00eatre configur\u00e9 pour fonctionner comme un double comparateur jusqu&rsquo;\u00e0 30&nbsp;V et fournit \u00e9galement un signal d&rsquo;erreur num\u00e9rique \u00e0 faible imp\u00e9dance capable de piloter quelques mA pour allumer des LED et autres.<\/p><p>Une diode TVS bidirectionnelle de 33&nbsp;V a \u00e9t\u00e9 utilis\u00e9e pour bloquer les transitoires de tension appliqu\u00e9s \u00e0 l&rsquo;entr\u00e9e de la carte. Vous pourriez probablement vous en sortir en n&rsquo;en utilisant qu&rsquo;une seule. <\/p><p>Des MOSFET de niveau logique sont utilis\u00e9s de mani\u00e8re appropri\u00e9e pour allumer ou \u00e9teindre les LED en fonction des conditions d&rsquo;entr\u00e9e d&rsquo;alimentation. Consultez le sch\u00e9ma pour mieux comprendre leur fonctionnement. <\/p><p>Une diode de roue libre a \u00e9t\u00e9 plac\u00e9e en cas de pr\u00e9sence de charges inductives, et une diode Zener polaris\u00e9e en inverse a \u00e9galement \u00e9t\u00e9 ajout\u00e9e en s\u00e9rie avec celle-ci pour augmenter la tension de roue libre et ainsi augmenter la vitesse \u00e0 laquelle l&rsquo;\u00e9nergie de roue libre est dissip\u00e9e pendant la d\u00e9sactivation.<\/p><p>Tout le reste sur la carte ne sont que des passifs qui prennent en charge le travail des appareils d\u00e9j\u00e0 mentionn\u00e9s.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L&rsquo;APPM (Active Power Protection Module) est un module de protection d&rsquo;alimentation enti\u00e8rement analogique et r\u00e9glable pour la protection contre les surtensions, les sous-tensions, l&rsquo;inversion de polarit\u00e9 et les courts-circuits. Pas de circuits int\u00e9gr\u00e9s sp\u00e9cifiques (ASIC) \u00ab\u00a0bo\u00eete noire\u00a0\u00bb. Juste des comparateurs, des FET, des fusibles et des r\u00e9f\u00e9rences de tension. L&rsquo;aboutissement de pr\u00e8s d&rsquo;un an en [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1731,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[80,81],"tags":[],"class_list":["post-3029","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-protection-de-circuit"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Circuit de protection open source enti\u00e8rement construit \u00e0 partir de circuits int\u00e9gr\u00e9s analogiques<\/title>\n<meta name=\"description\" content=\"L&#039;APPM est un module de protection d&#039;alimentation open source pour la protection contre les surtensions, les sous-tensions, l&#039;inversion de polarit\u00e9 et les courts-circuits, fabriqu\u00e9 \u00e0 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