{"id":8330,"date":"2025-09-15T09:00:00","date_gmt":"2025-09-15T07:00:00","guid":{"rendered":"https:\/\/tps-elektronik.com\/?p=8330"},"modified":"2026-02-23T10:25:30","modified_gmt":"2026-02-23T09:25:30","slug":"conception-alimentations-electriques-sur-mesure","status":"publish","type":"post","link":"https:\/\/tps-elektronik.com\/fr\/conception-alimentations-electriques-sur-mesure\/","title":{"rendered":"Conception d\u2019alimentations \u00e9lectriques sur mesure : Guide technique complet (2025)"},"content":{"rendered":"<h2 data-start=\"132\" data-end=\"146\">Points cl\u00e9s<\/h2>\n<p data-start=\"148\" data-end=\"373\">Les <a href=\"https:\/\/www.shop-tps.com\/shop\/category\/power-supply-1\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">alimentations \u00e9lectriques<\/a> sur mesure sont d\u00e9velopp\u00e9es pour r\u00e9pondre \u00e0 des exigences sp\u00e9cifiques en mati\u00e8re de tension, de courant, d\u2019environnement et de format m\u00e9canique que les produits standard ne couvrent pas toujours.<\/p>\n<p data-start=\"375\" data-end=\"432\">Un processus de conception structur\u00e9 comprend notamment :<\/p>\n<ul data-start=\"433\" data-end=\"660\">\n<li data-start=\"433\" data-end=\"460\">\n<p data-start=\"435\" data-end=\"460\">le choix de la topologie,<\/p>\n<\/li>\n<li data-start=\"461\" data-end=\"497\">\n<p data-start=\"463\" data-end=\"497\">le dimensionnement des composants,<\/p>\n<\/li>\n<li data-start=\"498\" data-end=\"524\">\n<p data-start=\"500\" data-end=\"524\">la conception thermique,<\/p>\n<\/li>\n<li data-start=\"525\" data-end=\"549\">\n<p data-start=\"527\" data-end=\"549\">l\u2019optimisation du PCB,<\/p>\n<\/li>\n<li data-start=\"550\" data-end=\"660\">\n<p data-start=\"552\" data-end=\"660\">la conformit\u00e9 s\u00e9curit\u00e9 et EMC (par ex. IEC\/UL 62368-1, IEC 60601-1 pour le m\u00e9dical, CISPR 32\/35 pour l\u2019EMC).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"662\" data-end=\"915\">Les topologies de conversion modernes (LLC r\u00e9sonant, redressement synchrone, GaN\/SiC) peuvent atteindre, dans des conceptions optimis\u00e9es, des rendements de cr\u00eate de l\u2019ordre de 90 \u00e0 95 %, selon les conditions de fonctionnement et les contraintes syst\u00e8me.<\/p>\n<p data-start=\"917\" data-end=\"952\">La validation couvre g\u00e9n\u00e9ralement :<\/p>\n<ul data-start=\"953\" data-end=\"1103\">\n<li data-start=\"953\" data-end=\"982\">\n<p data-start=\"955\" data-end=\"982\">la r\u00e9gulation ligne\/charge,<\/p>\n<\/li>\n<li data-start=\"983\" data-end=\"1007\">\n<p data-start=\"985\" data-end=\"1007\">l\u2019ondulation (ripple),<\/p>\n<\/li>\n<li data-start=\"1008\" data-end=\"1033\">\n<p data-start=\"1010\" data-end=\"1033\">la r\u00e9ponse transitoire,<\/p>\n<\/li>\n<li data-start=\"1034\" data-end=\"1058\">\n<p data-start=\"1036\" data-end=\"1058\">les essais thermiques,<\/p>\n<\/li>\n<li data-start=\"1059\" data-end=\"1085\">\n<p data-start=\"1061\" data-end=\"1085\">les essais de fiabilit\u00e9,<\/p>\n<\/li>\n<li data-start=\"1086\" data-end=\"1103\">\n<p data-start=\"1088\" data-end=\"1103\">les essais EMC.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1105\" data-end=\"1231\">L\u2019optimisation des co\u00fbts repose sur un \u00e9quilibre entre performances, conformit\u00e9, industrialisation et gestion du cycle de vie.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/images.surferseo.art\/a1e48e7d-d10a-4651-81f5-ebbc32d9ab98.png\" alt=\"An engineer is focused on designing a custom power supply circuit board, surrounded by various electronic components such as batteries and capacitors. This setup is essential for developing efficient battery energy storage systems that support renewable energy generation and backup power solutions.\" \/><\/p>\n<h2 data-start=\"1238\" data-end=\"1279\">Pourquoi une alimentation sur mesure ?<\/h2>\n<p data-start=\"1281\" data-end=\"1436\">Les syst\u00e8mes actuels \u2014 \u00e9nergies renouvelables, t\u00e9l\u00e9communications, dispositifs m\u00e9dicaux, stockage d\u2019\u00e9nergie par batteries (BESS) \u2014 requi\u00e8rent fr\u00e9quemment :<\/p>\n<ul data-start=\"1438\" data-end=\"1599\">\n<li data-start=\"1438\" data-end=\"1478\">\n<p data-start=\"1440\" data-end=\"1478\">des tensions ou courants non standard,<\/p>\n<\/li>\n<li data-start=\"1479\" data-end=\"1517\">\n<p data-start=\"1481\" data-end=\"1517\">des niveaux d\u2019isolation sp\u00e9cifiques,<\/p>\n<\/li>\n<li data-start=\"1518\" data-end=\"1555\">\n<p data-start=\"1520\" data-end=\"1555\">des exigences accrues en fiabilit\u00e9,<\/p>\n<\/li>\n<li data-start=\"1556\" data-end=\"1599\">\n<p data-start=\"1558\" data-end=\"1599\">des contraintes m\u00e9caniques particuli\u00e8res.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1601\" data-end=\"1776\">Une conception sur mesure permet d\u2019adapter l\u2019\u00e9tage de puissance au profil de charge r\u00e9el, aux besoins d\u2019int\u00e9gration (BMS, PLC, CAN\/PMBus) et au cadre r\u00e9glementaire applicable.<\/p>\n<h2 data-start=\"1783\" data-end=\"1826\">Que signifie r\u00e9ellement \u00ab sur mesure \u00bb ?<\/h2>\n<p data-start=\"1828\" data-end=\"1901\">La conception d\u2019une alimentation personnalis\u00e9e couvre plusieurs domaines.<\/p>\n<h3 data-start=\"1903\" data-end=\"1928\">Conception \u00e9lectrique<\/h3>\n<ul data-start=\"1929\" data-end=\"2106\">\n<li data-start=\"1929\" data-end=\"1958\">\n<p data-start=\"1931\" data-end=\"1958\">S\u00e9lection de la topologie<\/p>\n<\/li>\n<li data-start=\"1959\" data-end=\"2005\">\n<p data-start=\"1961\" data-end=\"2005\">Dimensionnement des composants magn\u00e9tiques<\/p>\n<\/li>\n<li data-start=\"2006\" data-end=\"2051\">\n<p data-start=\"2008\" data-end=\"2051\">Choix des semi-conducteurs (Si, GaN, SiC)<\/p>\n<\/li>\n<li data-start=\"2052\" data-end=\"2106\">\n<p data-start=\"2054\" data-end=\"2106\">Strat\u00e9gie de commande et algorithmes de r\u00e9gulation<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2108\" data-end=\"2145\">Conception m\u00e9canique et thermique<\/h3>\n<ul data-start=\"2146\" data-end=\"2285\">\n<li data-start=\"2146\" data-end=\"2181\">\n<p data-start=\"2148\" data-end=\"2181\">Format m\u00e9canique et int\u00e9gration<\/p>\n<\/li>\n<li data-start=\"2182\" data-end=\"2214\">\n<p data-start=\"2184\" data-end=\"2214\">Strat\u00e9gie de refroidissement<\/p>\n<\/li>\n<li data-start=\"2215\" data-end=\"2256\">\n<p data-start=\"2217\" data-end=\"2256\">Dissipateurs thermiques et flux d\u2019air<\/p>\n<\/li>\n<li data-start=\"2257\" data-end=\"2285\">\n<p data-start=\"2259\" data-end=\"2285\">Contraintes de vibration<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2287\" data-end=\"2306\">S\u00e9curit\u00e9 et EMC<\/h3>\n<ul data-start=\"2307\" data-end=\"2443\">\n<li data-start=\"2307\" data-end=\"2331\">\n<p data-start=\"2309\" data-end=\"2331\">Syst\u00e8mes d\u2019isolation<\/p>\n<\/li>\n<li data-start=\"2332\" data-end=\"2378\">\n<p data-start=\"2334\" data-end=\"2378\">Distances d\u2019isolement (creepage\/clearance)<\/p>\n<\/li>\n<li data-start=\"2379\" data-end=\"2403\">\n<p data-start=\"2381\" data-end=\"2403\">Mise \u00e0 la terre (PE)<\/p>\n<\/li>\n<li data-start=\"2404\" data-end=\"2443\">\n<p data-start=\"2406\" data-end=\"2443\">Exigences d\u2019\u00e9missions et d\u2019immunit\u00e9<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2445\" data-end=\"2468\">Int\u00e9gration syst\u00e8me<\/h3>\n<ul data-start=\"2469\" data-end=\"2563\">\n<li data-start=\"2469\" data-end=\"2511\">\n<p data-start=\"2471\" data-end=\"2511\">Interfaces (I\u00b2C, PMBus, CAN, Ethernet)<\/p>\n<\/li>\n<li data-start=\"2512\" data-end=\"2539\">\n<p data-start=\"2514\" data-end=\"2539\">Fonctions de t\u00e9l\u00e9m\u00e9trie<\/p>\n<\/li>\n<li data-start=\"2540\" data-end=\"2563\">\n<p data-start=\"2542\" data-end=\"2563\">Gestion \u00e9nerg\u00e9tique<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2570\" data-end=\"2597\">Sous-syst\u00e8mes principaux<\/h2>\n<p data-start=\"2599\" data-end=\"2665\">Une alimentation AC-DC ou DC-DC sur mesure comprend g\u00e9n\u00e9ralement :<\/p>\n<h3 data-start=\"2667\" data-end=\"2685\">\u00c9tage d\u2019entr\u00e9e<\/h3>\n<ul data-start=\"2686\" data-end=\"2830\">\n<li data-start=\"2686\" data-end=\"2719\">\n<p data-start=\"2688\" data-end=\"2719\">Limitation du courant d\u2019appel<\/p>\n<\/li>\n<li data-start=\"2720\" data-end=\"2757\">\n<p data-start=\"2722\" data-end=\"2757\">Protection contre les surtensions<\/p>\n<\/li>\n<li data-start=\"2758\" data-end=\"2770\">\n<p data-start=\"2760\" data-end=\"2770\">Filtrage<\/p>\n<\/li>\n<li data-start=\"2771\" data-end=\"2830\">\n<p data-start=\"2773\" data-end=\"2830\">Correction du facteur de puissance (PFC), si n\u00e9cessaire<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2832\" data-end=\"2866\">\u00c9tage de puissance (topologie)<\/h3>\n<p data-start=\"2867\" data-end=\"2938\">D\u00e9termine le rendement, la densit\u00e9 de puissance et le comportement EMC.<\/p>\n<h3 data-start=\"2940\" data-end=\"2952\">Commande<\/h3>\n<ul data-start=\"2953\" data-end=\"3073\">\n<li data-start=\"2953\" data-end=\"2994\">\n<p data-start=\"2955\" data-end=\"2994\">PWM analogique (par ex. mode courant)<\/p>\n<\/li>\n<li data-start=\"2995\" data-end=\"3073\">\n<p data-start=\"2997\" data-end=\"3073\">Contr\u00f4le num\u00e9rique avec gestion PFC, t\u00e9l\u00e9m\u00e9trie et coordination multiphase<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3075\" data-end=\"3094\">\u00c9tage de sortie<\/h3>\n<ul data-start=\"3095\" data-end=\"3190\">\n<li data-start=\"3095\" data-end=\"3131\">\n<p data-start=\"3097\" data-end=\"3131\">Redressement (souvent synchrone)<\/p>\n<\/li>\n<li data-start=\"3132\" data-end=\"3147\">\n<p data-start=\"3134\" data-end=\"3147\">Filtrage LC<\/p>\n<\/li>\n<li data-start=\"3148\" data-end=\"3190\">\n<p data-start=\"3150\" data-end=\"3190\">Boucles de retour et r\u00e9seaux de mesure<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3197\" data-end=\"3246\">Topologies courantes et domaines d\u2019application<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3248\" data-end=\"3792\">\n<thead data-start=\"3248\" data-end=\"3309\">\n<tr data-start=\"3248\" data-end=\"3309\">\n<th class=\"\" data-start=\"3248\" data-end=\"3260\" data-col-size=\"md\">Topologie<\/th>\n<th class=\"\" data-start=\"3260\" data-end=\"3289\" data-col-size=\"sm\">Plage de puissance typique<\/th>\n<th class=\"\" data-start=\"3289\" data-end=\"3309\" data-col-size=\"md\">Caract\u00e9ristiques<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3373\" data-end=\"3792\">\n<tr data-start=\"3373\" data-end=\"3464\">\n<td data-start=\"3373\" data-end=\"3400\" data-col-size=\"md\">Flyback (jusqu\u2019\u00e0 ~150 W)<\/td>\n<td data-col-size=\"sm\" data-start=\"3400\" data-end=\"3419\">Faible puissance<\/td>\n<td data-col-size=\"md\" data-start=\"3419\" data-end=\"3464\">Isolation simple, multi-sorties possibles<\/td>\n<\/tr>\n<tr data-start=\"3465\" data-end=\"3587\">\n<td data-start=\"3465\" data-end=\"3513\" data-col-size=\"md\">Forward \/ Two-transistor Forward (~100\u2013500 W)<\/td>\n<td data-col-size=\"sm\" data-start=\"3513\" data-end=\"3533\">Moyenne puissance<\/td>\n<td data-col-size=\"md\" data-start=\"3533\" data-end=\"3587\">Rendement sup\u00e9rieur au flyback, ondulation r\u00e9duite<\/td>\n<\/tr>\n<tr data-start=\"3588\" data-end=\"3683\">\n<td data-start=\"3588\" data-end=\"3603\" data-col-size=\"md\">LLC r\u00e9sonant<\/td>\n<td data-col-size=\"sm\" data-start=\"3603\" data-end=\"3617\">Large plage<\/td>\n<td data-col-size=\"md\" data-start=\"3617\" data-end=\"3683\">Commutation douce, pertes r\u00e9duites, comportement EMC favorable<\/td>\n<\/tr>\n<tr data-start=\"3684\" data-end=\"3792\">\n<td data-start=\"3684\" data-end=\"3721\" data-col-size=\"md\">Half-Bridge \/ Full-Bridge (\u2265 1 kW)<\/td>\n<td data-col-size=\"sm\" data-start=\"3721\" data-end=\"3739\">Haute puissance<\/td>\n<td data-col-size=\"md\" data-start=\"3739\" data-end=\"3792\">Adapt\u00e9 aux puissances \u00e9lev\u00e9es, r\u00e9gulation robuste<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"3794\" data-end=\"3892\">Le choix d\u00e9pend des objectifs de rendement, de densit\u00e9 de puissance, d\u2019isolation et de conformit\u00e9.<\/p>\n<h2 data-start=\"3899\" data-end=\"3936\">Commande, protections et stabilit\u00e9<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/images.surferseo.art\/7f6e8922-4682-46ec-9e66-82b014ac6cf2.png\" alt=\"The image features a collection of circuit diagrams illustrating various power supply topologies, all presented on engineering blueprints. These diagrams represent different configurations for power conversion systems, including those used in battery energy storage systems and renewable energy sources.\" \/><\/p>\n<h3 data-start=\"3938\" data-end=\"3953\">Contr\u00f4leurs<\/h3>\n<ul data-start=\"3954\" data-end=\"4066\">\n<li data-start=\"3954\" data-end=\"3996\">\n<p data-start=\"3956\" data-end=\"3996\">PWM analogique (familles mode courant)<\/p>\n<\/li>\n<li data-start=\"3997\" data-end=\"4066\">\n<p data-start=\"3999\" data-end=\"4066\">Contr\u00f4leurs num\u00e9riques pour PFC, t\u00e9l\u00e9m\u00e9trie et gestion adaptative<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4068\" data-end=\"4095\">Fonctions de protection<\/h3>\n<ul data-start=\"4096\" data-end=\"4276\">\n<li data-start=\"4096\" data-end=\"4128\">\n<p data-start=\"4098\" data-end=\"4128\">OVP (Overvoltage Protection)<\/p>\n<\/li>\n<li data-start=\"4129\" data-end=\"4178\">\n<p data-start=\"4131\" data-end=\"4178\">OCP \/ OLP (Overcurrent \/ Overload Protection)<\/p>\n<\/li>\n<li data-start=\"4179\" data-end=\"4213\">\n<p data-start=\"4181\" data-end=\"4213\">SCP (Short-Circuit Protection)<\/p>\n<\/li>\n<li data-start=\"4214\" data-end=\"4250\">\n<p data-start=\"4216\" data-end=\"4250\">OTP (Overtemperature Protection)<\/p>\n<\/li>\n<li data-start=\"4251\" data-end=\"4276\">\n<p data-start=\"4253\" data-end=\"4276\">UVLO \/ OVLO en entr\u00e9e<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4278\" data-end=\"4370\">Les r\u00e9ponses aux d\u00e9fauts doivent \u00eatre coordonn\u00e9es pour prot\u00e9ger l\u2019alimentation et la charge.<\/p>\n<h3 data-start=\"4372\" data-end=\"4398\">Stabilit\u00e9 de la boucle<\/h3>\n<p data-start=\"4399\" data-end=\"4507\">Une marge de gain et de phase ad\u00e9quate est n\u00e9cessaire, en particulier pour les charges dynamiques (ex. BMS).<\/p>\n<h2 data-start=\"4514\" data-end=\"4544\">Exigences et sp\u00e9cifications<\/h2>\n<p data-start=\"4546\" data-end=\"4619\">Une d\u00e9finition pr\u00e9cise des exigences limite les it\u00e9rations de conception.<\/p>\n<h3 data-start=\"4621\" data-end=\"4632\">Entr\u00e9es<\/h3>\n<ul data-start=\"4633\" data-end=\"4755\">\n<li data-start=\"4633\" data-end=\"4667\">\n<p data-start=\"4635\" data-end=\"4667\">Plages de tension et fr\u00e9quence<\/p>\n<\/li>\n<li data-start=\"4668\" data-end=\"4704\">\n<p data-start=\"4670\" data-end=\"4704\">Temps de maintien (hold-up time)<\/p>\n<\/li>\n<li data-start=\"4705\" data-end=\"4722\">\n<p data-start=\"4707\" data-end=\"4722\">Exigences PFC<\/p>\n<\/li>\n<li data-start=\"4723\" data-end=\"4755\">\n<p data-start=\"4725\" data-end=\"4755\">Niveaux de surtension et ESD<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4757\" data-end=\"4768\">Sorties<\/h3>\n<ul data-start=\"4769\" data-end=\"4873\">\n<li data-start=\"4769\" data-end=\"4793\">\n<p data-start=\"4771\" data-end=\"4793\">Tensions et courants<\/p>\n<\/li>\n<li data-start=\"4794\" data-end=\"4817\">\n<p data-start=\"4796\" data-end=\"4817\">Ondulation et bruit<\/p>\n<\/li>\n<li data-start=\"4818\" data-end=\"4832\">\n<p data-start=\"4820\" data-end=\"4832\">R\u00e9gulation<\/p>\n<\/li>\n<li data-start=\"4833\" data-end=\"4873\">\n<p data-start=\"4835\" data-end=\"4873\">S\u00e9quencement et variations de charge<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4875\" data-end=\"4892\">Environnement<\/h3>\n<ul data-start=\"4893\" data-end=\"5002\">\n<li data-start=\"4893\" data-end=\"4952\">\n<p data-start=\"4895\" data-end=\"4952\">Temp\u00e9rature (souvent \u221240 \u00e0 +85 \u00b0C en milieu industriel)<\/p>\n<\/li>\n<li data-start=\"4953\" data-end=\"4965\">\n<p data-start=\"4955\" data-end=\"4965\">Altitude<\/p>\n<\/li>\n<li data-start=\"4966\" data-end=\"4978\">\n<p data-start=\"4968\" data-end=\"4978\">Humidit\u00e9<\/p>\n<\/li>\n<li data-start=\"4979\" data-end=\"5002\">\n<p data-start=\"4981\" data-end=\"5002\">Vibrations et chocs<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5004\" data-end=\"5040\">S\u00e9curit\u00e9 et qualit\u00e9 de l\u2019\u00e9nergie<\/h3>\n<ul data-start=\"5041\" data-end=\"5155\">\n<li data-start=\"5041\" data-end=\"5064\">\n<p data-start=\"5043\" data-end=\"5064\">Classes d\u2019isolation<\/p>\n<\/li>\n<li data-start=\"5065\" data-end=\"5090\">\n<p data-start=\"5067\" data-end=\"5090\">Distances d\u2019isolement<\/p>\n<\/li>\n<li data-start=\"5091\" data-end=\"5122\">\n<p data-start=\"5093\" data-end=\"5122\">Exigences EMC (CISPR 32\/35)<\/p>\n<\/li>\n<li data-start=\"5123\" data-end=\"5155\">\n<p data-start=\"5125\" data-end=\"5155\">Codes r\u00e9seau, le cas \u00e9ch\u00e9ant<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5157\" data-end=\"5183\">Sp\u00e9cificit\u00e9s batteries<\/h3>\n<ul data-start=\"5184\" data-end=\"5247\">\n<li data-start=\"5184\" data-end=\"5201\">\n<p data-start=\"5186\" data-end=\"5201\">Profils CC\/CV<\/p>\n<\/li>\n<li data-start=\"5202\" data-end=\"5223\">\n<p data-start=\"5204\" data-end=\"5223\">Communication BMS<\/p>\n<\/li>\n<li data-start=\"5224\" data-end=\"5247\">\n<p data-start=\"5226\" data-end=\"5247\">Chimie des cellules<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"5254\" data-end=\"5298\">Processus de conception (de bout en bout)<\/h2>\n<ol data-start=\"5300\" data-end=\"5865\">\n<li data-start=\"5300\" data-end=\"5351\">\n<p data-start=\"5303\" data-end=\"5351\">D\u00e9finition des exigences et analyse de risques<\/p>\n<\/li>\n<li data-start=\"5352\" data-end=\"5428\">\n<p data-start=\"5355\" data-end=\"5428\">\u00c9tude comparative des topologies (rendement, densit\u00e9, co\u00fbt, conformit\u00e9)<\/p>\n<\/li>\n<li data-start=\"5429\" data-end=\"5518\">\n<p data-start=\"5432\" data-end=\"5518\">S\u00e9lection des composants (magn\u00e9tiques, condensateurs, semi-conducteurs, protections)<\/p>\n<\/li>\n<li data-start=\"5519\" data-end=\"5575\">\n<p data-start=\"5522\" data-end=\"5575\">Simulation (\u00e9lectrique, thermique, pr\u00e9-analyse EMC)<\/p>\n<\/li>\n<li data-start=\"5576\" data-end=\"5608\">\n<p data-start=\"5579\" data-end=\"5608\">D\u00e9veloppement de prototypes<\/p>\n<\/li>\n<li data-start=\"5609\" data-end=\"5702\">\n<p data-start=\"5612\" data-end=\"5702\">Optimisation du routage PCB (boucles de courant, n\u0153uds de commutation, retours de masse)<\/p>\n<\/li>\n<li data-start=\"5703\" data-end=\"5738\">\n<p data-start=\"5706\" data-end=\"5738\">Tests it\u00e9ratifs et ajustements<\/p>\n<\/li>\n<li data-start=\"5739\" data-end=\"5784\">\n<p data-start=\"5742\" data-end=\"5784\">Essais de pr\u00e9-conformit\u00e9 s\u00e9curit\u00e9 et EMC<\/p>\n<\/li>\n<li data-start=\"5785\" data-end=\"5865\">\n<p data-start=\"5788\" data-end=\"5865\">Gel de conception, DFM\/DFT, pr\u00e9s\u00e9rie, certification et mont\u00e9e en production<\/p>\n<\/li>\n<\/ol>\n<h2 data-start=\"5872\" data-end=\"5892\">Gestion thermique<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/images.surferseo.art\/754ccff4-203b-4d55-855f-05b8141c142d.png\" alt=\"The image depicts a power supply system featuring advanced thermal management, showcasing prominent heatsinks and cooling systems designed to enhance overall system performance. This design is crucial for efficient operation in battery energy storage systems, ensuring reliable operation and safety during energy conversion and management.\" \/><\/p>\n<p data-start=\"5894\" data-end=\"5931\">L\u2019analyse thermique prend en compte :<\/p>\n<ul data-start=\"5933\" data-end=\"6056\">\n<li data-start=\"5933\" data-end=\"5961\">\n<p data-start=\"5935\" data-end=\"5961\">Les pertes de conduction<\/p>\n<\/li>\n<li data-start=\"5962\" data-end=\"5991\">\n<p data-start=\"5964\" data-end=\"5991\">Les pertes de commutation<\/p>\n<\/li>\n<li data-start=\"5992\" data-end=\"6022\">\n<p data-start=\"5994\" data-end=\"6022\">Les pertes noyau et cuivre<\/p>\n<\/li>\n<li data-start=\"6023\" data-end=\"6056\">\n<p data-start=\"6025\" data-end=\"6056\">Les consommations auxiliaires<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6058\" data-end=\"6109\">Les strat\u00e9gies de refroidissement peuvent inclure :<\/p>\n<ul data-start=\"6111\" data-end=\"6250\">\n<li data-start=\"6111\" data-end=\"6135\">\n<p data-start=\"6113\" data-end=\"6135\">Convection naturelle<\/p>\n<\/li>\n<li data-start=\"6136\" data-end=\"6158\">\n<p data-start=\"6138\" data-end=\"6158\">Ventilation forc\u00e9e<\/p>\n<\/li>\n<li data-start=\"6159\" data-end=\"6173\">\n<p data-start=\"6161\" data-end=\"6173\">Heat pipes<\/p>\n<\/li>\n<li data-start=\"6174\" data-end=\"6250\">\n<p data-start=\"6176\" data-end=\"6250\">Plaques froides ou refroidissement liquide pour syst\u00e8mes \u00e0 forte densit\u00e9<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6252\" data-end=\"6371\">La validation s\u2019effectue en conditions d\u00e9favorables (temp\u00e9rature ambiante \u00e9lev\u00e9e, altitude, analyse des points chauds).<\/p>\n<h2 data-start=\"6378\" data-end=\"6418\">Cadre r\u00e9glementaire : s\u00e9curit\u00e9 et EMC<\/h2>\n<p data-start=\"6420\" data-end=\"6469\">Les normes applicables d\u00e9pendent du march\u00e9 cible.<\/p>\n<p data-start=\"6471\" data-end=\"6490\">Exemples courants :<\/p>\n<ul data-start=\"6492\" data-end=\"6698\">\n<li data-start=\"6492\" data-end=\"6543\">\n<p data-start=\"6494\" data-end=\"6543\">IEC\/UL 62368-1 (\u00e9quipements industriels, IT\/AV)<\/p>\n<\/li>\n<li data-start=\"6544\" data-end=\"6576\">\n<p data-start=\"6546\" data-end=\"6576\">IEC 60601-1 \/ -1-2 (m\u00e9dical)<\/p>\n<\/li>\n<li data-start=\"6577\" data-end=\"6624\">\n<p data-start=\"6579\" data-end=\"6624\">CISPR 32 \/ CISPR 35 (\u00e9missions et immunit\u00e9)<\/p>\n<\/li>\n<li data-start=\"6625\" data-end=\"6698\">\n<p data-start=\"6627\" data-end=\"6698\">R\u00e8glement \u00c9codesign UE (ex. UE 2019\/1782 pour alimentations externes)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6700\" data-end=\"6728\">Les essais peuvent inclure :<\/p>\n<ul data-start=\"6730\" data-end=\"6887\">\n<li data-start=\"6730\" data-end=\"6763\">\n<p data-start=\"6732\" data-end=\"6763\">Essais di\u00e9lectriques (Hi-pot)<\/p>\n<\/li>\n<li data-start=\"6764\" data-end=\"6787\">\n<p data-start=\"6766\" data-end=\"6787\">Continuit\u00e9 de terre<\/p>\n<\/li>\n<li data-start=\"6788\" data-end=\"6808\">\n<p data-start=\"6790\" data-end=\"6808\">Courant de fuite<\/p>\n<\/li>\n<li data-start=\"6809\" data-end=\"6828\">\n<p data-start=\"6811\" data-end=\"6828\">Surge, EFT, ESD<\/p>\n<\/li>\n<li data-start=\"6829\" data-end=\"6865\">\n<p data-start=\"6831\" data-end=\"6865\">\u00c9missions conduites et rayonn\u00e9es<\/p>\n<\/li>\n<li data-start=\"6866\" data-end=\"6887\">\n<p data-start=\"6868\" data-end=\"6887\">Essais d\u2019immunit\u00e9<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6889\" data-end=\"6955\">Les exigences doivent \u00eatre d\u00e9finies d\u00e8s la phase de sp\u00e9cification.<\/p>\n<h2 data-start=\"6962\" data-end=\"6991\">V\u00e9rification et validation<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/images.surferseo.art\/24ff1af6-f98e-4a57-8ca1-0ae3bccafa7a.png\" alt=\"In the image, a team of technicians is installing a battery energy storage system within a manufacturing facility, showcasing various battery modules and power conversion systems. This setup is designed to enhance energy management and provide backup power, integrating renewable energy sources to optimize overall system performance.\" \/><\/p>\n<p data-start=\"6993\" data-end=\"7027\">Les essais couvrent g\u00e9n\u00e9ralement :<\/p>\n<ul data-start=\"7029\" data-end=\"7348\">\n<li data-start=\"7029\" data-end=\"7059\">\n<p data-start=\"7031\" data-end=\"7059\">R\u00e9gulation ligne et charge<\/p>\n<\/li>\n<li data-start=\"7060\" data-end=\"7083\">\n<p data-start=\"7062\" data-end=\"7083\">Ondulation et bruit<\/p>\n<\/li>\n<li data-start=\"7084\" data-end=\"7141\">\n<p data-start=\"7086\" data-end=\"7141\">Cartographie du rendement selon charge et temp\u00e9rature<\/p>\n<\/li>\n<li data-start=\"7142\" data-end=\"7163\">\n<p data-start=\"7144\" data-end=\"7163\">Temps de maintien<\/p>\n<\/li>\n<li data-start=\"7164\" data-end=\"7190\">\n<p data-start=\"7166\" data-end=\"7190\">Transitoires de charge<\/p>\n<\/li>\n<li data-start=\"7191\" data-end=\"7223\">\n<p data-start=\"7193\" data-end=\"7223\">S\u00e9quences de d\u00e9marrage\/arr\u00eat<\/p>\n<\/li>\n<li data-start=\"7224\" data-end=\"7274\">\n<p data-start=\"7226\" data-end=\"7274\">\u00c9valuations de fiabilit\u00e9 (analyse de derating)<\/p>\n<\/li>\n<li data-start=\"7275\" data-end=\"7302\">\n<p data-start=\"7277\" data-end=\"7302\">Essais environnementaux<\/p>\n<\/li>\n<li data-start=\"7303\" data-end=\"7348\">\n<p data-start=\"7305\" data-end=\"7348\">Pr\u00e9-tests EMC avant laboratoire accr\u00e9dit\u00e9<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"7355\" data-end=\"7382\">Applications sp\u00e9cifiques<\/h2>\n<ul data-start=\"7384\" data-end=\"7797\">\n<li data-start=\"7384\" data-end=\"7472\">\n<p data-start=\"7386\" data-end=\"7472\"><strong data-start=\"7386\" data-end=\"7399\">M\u00e9dical :<\/strong> faibles courants de fuite, isolation renforc\u00e9e, exigences EMC \u00e9lev\u00e9es.<\/p>\n<\/li>\n<li data-start=\"7473\" data-end=\"7548\">\n<p data-start=\"7475\" data-end=\"7548\"><strong data-start=\"7475\" data-end=\"7485\">BESS :<\/strong> architectures bidirectionnelles, communication avec BMS\/EMS.<\/p>\n<\/li>\n<li data-start=\"7549\" data-end=\"7658\">\n<p data-start=\"7551\" data-end=\"7658\"><strong data-start=\"7551\" data-end=\"7584\">Automatisation industrielle :<\/strong> immunit\u00e9 au bruit, large plage de temp\u00e9rature, int\u00e9gration bus terrain.<\/p>\n<\/li>\n<li data-start=\"7659\" data-end=\"7710\">\n<p data-start=\"7661\" data-end=\"7710\"><strong data-start=\"7661\" data-end=\"7674\">T\u00e9l\u00e9com :<\/strong> redondance, hot-swap, t\u00e9l\u00e9m\u00e9trie.<\/p>\n<\/li>\n<li data-start=\"7711\" data-end=\"7797\">\n<p data-start=\"7713\" data-end=\"7797\"><strong data-start=\"7713\" data-end=\"7741\">\u00c9nergies renouvelables :<\/strong> conformit\u00e9 aux codes r\u00e9seau et limitations harmoniques.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"7804\" data-end=\"7829\">Optimisation des co\u00fbts<\/h2>\n<p data-start=\"7831\" data-end=\"7896\">L\u2019optimisation des projets d\u2019alimentation sur mesure repose sur :<\/p>\n<ul data-start=\"7898\" data-end=\"8148\">\n<li data-start=\"7898\" data-end=\"7940\">\n<p data-start=\"7900\" data-end=\"7940\">L\u2019ajustement pr\u00e9cis des sp\u00e9cifications<\/p>\n<\/li>\n<li data-start=\"7941\" data-end=\"7983\">\n<p data-start=\"7943\" data-end=\"7983\">L\u2019\u00e9valuation de composants \u00e9quivalents<\/p>\n<\/li>\n<li data-start=\"7984\" data-end=\"8028\">\n<p data-start=\"7986\" data-end=\"8028\">La conception orient\u00e9e fabrication (DFM)<\/p>\n<\/li>\n<li data-start=\"8029\" data-end=\"8066\">\n<p data-start=\"8031\" data-end=\"8066\">La conception orient\u00e9e test (DFT)<\/p>\n<\/li>\n<li data-start=\"8067\" data-end=\"8102\">\n<p data-start=\"8069\" data-end=\"8102\">Les strat\u00e9gies de double source<\/p>\n<\/li>\n<li data-start=\"8103\" data-end=\"8148\">\n<p data-start=\"8105\" data-end=\"8148\">La gestion du cycle de vie des composants<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"8150\" data-end=\"8312\">Le suivi du statut des composants et de la stabilit\u00e9 de la cha\u00eene d\u2019approvisionnement constitue un facteur important dans les programmes industriels \u00e0 long terme.<\/p>\n<h2 data-start=\"8319\" data-end=\"8346\">Tendances technologiques<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/images.surferseo.art\/703df4e8-f5c7-4def-acec-7cc895c4fc35.png\" alt=\"A sleek modern power supply design is depicted, showcasing advanced digital control systems that optimize performance and efficiency. The image emphasizes components related to battery energy storage systems and renewable energy sources, highlighting their role in managing energy flow and providing backup power.\" \/><\/p>\n<h3 data-start=\"8348\" data-end=\"8406\">Maturit\u00e9 des semi-conducteurs Wide Bandgap (GaN &amp; SiC)<\/h3>\n<p data-start=\"8407\" data-end=\"8553\">Leur adoption progressive permet d\u2019envisager des fr\u00e9quences de commutation plus \u00e9lev\u00e9es et une r\u00e9duction des pertes, selon l\u2019architecture retenue.<\/p>\n<h3 data-start=\"8555\" data-end=\"8612\">Charges \u00e0 transitoires rapides (IA et Edge Computing)<\/h3>\n<p data-start=\"8613\" data-end=\"8738\">Des profils de charge dynamiques exigent des boucles de r\u00e9gulation plus rapides et une attention accrue \u00e0 la power integrity.<\/p>\n<h3 data-start=\"8740\" data-end=\"8775\">Architectures bidirectionnelles<\/h3>\n<p data-start=\"8776\" data-end=\"8897\">La croissance du stockage d\u2019\u00e9nergie favorise le d\u00e9veloppement de convertisseurs bidirectionnels adapt\u00e9s aux cycles CC\u2013CV.<\/p>\n<h3 data-start=\"8899\" data-end=\"8931\">Digitalisation et t\u00e9l\u00e9m\u00e9trie<\/h3>\n<p data-start=\"8932\" data-end=\"9058\">Les fonctions de diagnostic \u00e0 distance et de surveillance deviennent courantes dans les environnements industriels et t\u00e9l\u00e9com.<\/p>\n<h3 data-start=\"9060\" data-end=\"9090\">Cycle de vie et durabilit\u00e9<\/h3>\n<p data-start=\"9091\" data-end=\"9240\">La planification de l\u2019obsolescence et la conformit\u00e9 aux exigences d\u2019efficacit\u00e9 \u00e9nerg\u00e9tique prennent une importance croissante sur le march\u00e9 europ\u00e9en.<\/p>\n<h2 data-start=\"9247\" data-end=\"9260\">Conclusion<\/h2>\n<p data-start=\"9262\" data-end=\"9493\"><a href=\"https:\/\/tps-elektronik.com\/fr\/contact\/\">La conception d\u2019une alimentation \u00e9lectrique sur mesure<\/a> constitue un processus d\u2019ing\u00e9nierie multidisciplinaire int\u00e9grant performance \u00e9lectrique, gestion thermique, conformit\u00e9 s\u00e9curit\u00e9 et EMC, ainsi que planification du cycle de vie.<\/p>\n<p data-start=\"9495\" data-end=\"9632\">Des sp\u00e9cifications clairement d\u00e9finies et un processus structur\u00e9 sont essentiels pour ma\u00eetriser les risques techniques et r\u00e9glementaires.<\/p>\n<h2 data-start=\"9639\" data-end=\"9645\">FAQ<\/h2>\n<h3 data-start=\"9647\" data-end=\"9695\">Quel est le d\u00e9lai de d\u00e9veloppement typique ?<\/h3>\n<p data-start=\"9696\" data-end=\"9969\">Pour une alimentation \u00e0 sortie unique, le d\u00e9veloppement peut s\u2019\u00e9tendre sur environ 12 \u00e0 20 semaines, selon la complexit\u00e9 et l\u2019\u00e9tendue des certifications. Les applications m\u00e9dicales, a\u00e9ronautiques ou li\u00e9es au stockage d\u2019\u00e9nergie peuvent n\u00e9cessiter des d\u00e9lais suppl\u00e9mentaires.<\/p>\n<h3 data-start=\"9971\" data-end=\"10044\">Quand choisir une solution sur mesure plut\u00f4t qu\u2019un produit standard ?<\/h3>\n<p data-start=\"10045\" data-end=\"10169\">Une conception personnalis\u00e9e peut \u00eatre pertinente lorsque les produits catalogues ne r\u00e9pondent pas aux exigences suivantes :<\/p>\n<ul data-start=\"10171\" data-end=\"10361\">\n<li data-start=\"10171\" data-end=\"10213\">\n<p data-start=\"10173\" data-end=\"10213\">Caract\u00e9ristiques de sortie sp\u00e9cifiques<\/p>\n<\/li>\n<li data-start=\"10214\" data-end=\"10244\">\n<p data-start=\"10216\" data-end=\"10244\">Niveaux d\u2019isolation requis<\/p>\n<\/li>\n<li data-start=\"10245\" data-end=\"10278\">\n<p data-start=\"10247\" data-end=\"10278\">Contraintes environnementales<\/p>\n<\/li>\n<li data-start=\"10279\" data-end=\"10305\">\n<p data-start=\"10281\" data-end=\"10305\">Contraintes m\u00e9caniques<\/p>\n<\/li>\n<li data-start=\"10306\" data-end=\"10361\">\n<p data-start=\"10308\" data-end=\"10361\">Interfaces ou exigences de conformit\u00e9 particuli\u00e8res<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"10363\" data-end=\"10396\">Quels sont les MOQ typiques ?<\/h3>\n<p data-start=\"10397\" data-end=\"10529\">Les volumes minimaux se situent fr\u00e9quemment entre 100 et 1 000 unit\u00e9s, selon la complexit\u00e9 du projet et la gestion des co\u00fbts de NRE.<\/p>\n<h3 data-start=\"10531\" data-end=\"10579\">Comment se compare la densit\u00e9 de puissance ?<\/h3>\n<p data-start=\"10580\" data-end=\"10843\">Les conceptions optimis\u00e9es utilisant des topologies modernes et des semi-conducteurs Wide Bandgap peuvent atteindre des densit\u00e9s sup\u00e9rieures \u00e0 celles de solutions g\u00e9n\u00e9ralistes. Les valeurs d\u00e9pendent fortement des contraintes thermiques, m\u00e9caniques et de s\u00e9curit\u00e9.<\/p>\n<h3 data-start=\"10845\" data-end=\"10897\">Quelles certifications sont les plus courantes ?<\/h3>\n<ul data-start=\"10899\" data-end=\"11056\">\n<li data-start=\"10899\" data-end=\"10917\">\n<p data-start=\"10901\" data-end=\"10917\">IEC\/UL 62368-1<\/p>\n<\/li>\n<li data-start=\"10918\" data-end=\"10940\">\n<p data-start=\"10920\" data-end=\"10940\">IEC 60601-1 \/ -1-2<\/p>\n<\/li>\n<li data-start=\"10941\" data-end=\"10982\">\n<p data-start=\"10943\" data-end=\"10982\">DO-160 (a\u00e9ronautique, le cas \u00e9ch\u00e9ant)<\/p>\n<\/li>\n<li data-start=\"10983\" data-end=\"11032\">\n<p data-start=\"10985\" data-end=\"11032\">ISO 26262 (s\u00e9curit\u00e9 fonctionnelle automobile)<\/p>\n<\/li>\n<li data-start=\"11033\" data-end=\"11056\">\n<p data-start=\"11035\" data-end=\"11056\">CISPR 32 \/ 35 (EMC)<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"11058\" data-end=\"11136\" data-is-last-node=\"\" data-is-only-node=\"\">Les exigences de certification varient selon l\u2019application et le march\u00e9 cible.<\/p>\n\n<style id=\"wpforms-css-vars-4336-block-c2d16ed3-265e-4066-a58f-4852435ed596\">\n\t\t\t\t#wpforms-4336.wpforms-block-c2d16ed3-265e-4066-a58f-4852435ed596 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n\t\t\t}\n\t\t\t<\/style><div 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Destin\u00e9 aux ing\u00e9nieurs et d\u00e9cideurs industriels, il couvre topologies, conformit\u00e9 r\u00e9glementaire et gestion du cycle de vie.<\/p>\n","protected":false},"author":8,"featured_media":8332,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[84],"tags":[],"class_list":["post-8330","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-content"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Conception d\u2019alimentations sur mesure | Guide technique 2025<\/title>\n<meta name=\"description\" content=\"Guide technique complet sur la conception d\u2019alimentations \u00e9lectriques sur mesure : topologies AC-DC, gestion thermique, conformit\u00e9 EMC, s\u00e9curit\u00e9 et validation pour applications industrielles et 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