{"id":451,"date":"2026-04-13T10:51:26","date_gmt":"2026-04-13T10:51:26","guid":{"rendered":"http:\/\/solutionsreeds.fr\/wp\/?post_type=docs&p=451"},"modified":"2026-04-13T13:24:41","modified_gmt":"2026-04-13T13:24:41","password":"","slug":"bms-lc30-power-board","status":"publish","type":"docs","link":"https:\/\/solutionsreeds.fr\/wp\/docs\/bms-lc30-power-board\/","title":{"rendered":"BMS LC30 Power Board"},"content":{"rendered":"\n

BMS LC30 Power Board \u2013 Manuel technique<\/h1>\n\n

\nLa BMS LC30 Power Board<\/strong> est une carte de gestion d\u2019alimentation con\u00e7ue autour du\nBMS TYVA LC30<\/strong>. Elle permet d\u2019int\u00e9grer une batterie lithium dans un syst\u00e8me embarqu\u00e9\ntout en ajoutant une alimentation syst\u00e8me 5 V \/ 6 A<\/strong>, une gestion\nmulti-source<\/strong> et une interface I\u00b2C<\/strong> vers la carte h\u00f4te.\n<\/p>\n\n

\nCette carte a \u00e9t\u00e9 con\u00e7ue pour s\u2019int\u00e9grer dans l\u2019\u00e9cosyst\u00e8me BlueStack<\/strong>, dans une logique\nde module d\u2019alimentation et de supervision batterie compl\u00e9mentaire \u00e0 une carte de calcul ou de communication.\nL\u2019organisation g\u00e9n\u00e9rale de cette documentation reprend le format de manuel technique utilis\u00e9 sur les autres\ncartes de la gamme. \n<\/p>\n\n

1. Pr\u00e9sentation g\u00e9n\u00e9rale<\/h2>\n\n

\nLa carte regroupe sur un m\u00eame PCB les fonctions n\u00e9cessaires \u00e0 l\u2019int\u00e9gration d\u2019une batterie lithium dans\nun syst\u00e8me embarqu\u00e9 compact :\n<\/p>\n\n\n \n \n \n \n \n \n \n \n \n
Fonction<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
BMS<\/td>\n Gestion batterie assur\u00e9e par un module TYVA LC30<\/td>\n <\/tr>\n
Entr\u00e9e batterie<\/td>\n Compatibilit\u00e9 avec pack lithium 3S \u00e0 5S<\/td>\n <\/tr>\n
Sortie syst\u00e8me<\/td>\n Alimentation r\u00e9gul\u00e9e 5 V jusqu\u2019\u00e0 6 A<\/td>\n <\/tr>\n
Gestion d\u2019alimentation<\/td>\n Commutation multi-source par diode id\u00e9ale<\/td>\n <\/tr>\n
Supervision<\/td>\n Communication I\u00b2C avec le BMS<\/td>\n <\/tr>\n
Interface syst\u00e8me<\/td>\n Raccordement via connectique d\u00e9di\u00e9e et environnement GPIO 40 broches<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

\nLe module TYVA LC30 utilis\u00e9 sur la carte est un BMS pr\u00e9vu pour des batteries lithium de\n3S \u00e0 5S<\/strong>, avec \u00e9quilibrage int\u00e9gr\u00e9 et communication SMBus \/ I\u00b2C<\/strong>.\n<\/p>\n\n

2. Alimentation<\/h2>\n\n

\nLa BMS LC30 Power Board re\u00e7oit l\u2019\u00e9nergie du pack batterie et fournit une sortie r\u00e9gul\u00e9e destin\u00e9e\n\u00e0 l\u2019alimentation de la carte h\u00f4te et des interfaces associ\u00e9es.\n<\/p>\n\n\n \n \n \n \n \n \n \n \n \n
Param\u00e8tre<\/th>\n Valeur<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
Type de batterie<\/td>\n Li-ion \/ LiPo<\/td>\n Pack batterie lithium<\/td>\n <\/tr>\n
Configuration support\u00e9e<\/td>\n 3S \u00e0 5S<\/td>\n Compatible avec le BMS TYVA LC30<\/td>\n <\/tr>\n
Tension pack<\/td>\n Jusqu\u2019\u00e0 21 V<\/td>\n Selon la configuration batterie utilis\u00e9e<\/td>\n <\/tr>\n
Sortie principale<\/td>\n 5 V<\/td>\n Alimentation principale du syst\u00e8me<\/td>\n <\/tr>\n
Courant de sortie max<\/td>\n 6 A<\/td>\n Courant disponible sur la sortie 5 V<\/td>\n <\/tr>\n
Niveau logique interface<\/td>\n 3,3 V<\/td>\n Niveau logique pour les signaux de communication<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

\nLe TYVA LC30 est donn\u00e9 pour une utilisation sur batterie jusqu\u2019\u00e0 21 V<\/strong>, en configuration\n3S \u00e0 5S<\/strong>.\n<\/p>\n\n

3. BMS int\u00e9gr\u00e9<\/h2>\n\n

\nLe c\u0153ur de la carte repose sur le TYVA LC30<\/strong>, charg\u00e9 de la protection et de la supervision\ndu pack batterie. La power board ajoute les fonctions d\u2019interface et d\u2019alimentation n\u00e9cessaires \u00e0 son\nint\u00e9gration dans un syst\u00e8me complet.\n<\/p>\n\n\n \n \n \n \n \n \n \n \n
Fonction BMS<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
Surveillance cellules<\/td>\n Mesure des tensions du pack batterie<\/td>\n <\/tr>\n
Protection charge \/ d\u00e9charge<\/td>\n Protection assur\u00e9e par le BMS selon sa configuration<\/td>\n <\/tr>\n
Temp\u00e9rature<\/td>\n Supervision thermique du pack<\/td>\n <\/tr>\n
\u00c9quilibrage<\/td>\n \u00c9quilibrage int\u00e9gr\u00e9 des cellules<\/td>\n <\/tr>\n
Communication<\/td>\n Dialogue via SMBus \/ I\u00b2C<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

\nLe module TYVA LC30 int\u00e8gre l\u2019\u00e9quilibrage des cellules ainsi qu\u2019une interface\nSMBus \/ I\u00b2C<\/strong> destin\u00e9e \u00e0 la supervision batterie.\n<\/p>\n\n

4. Gestion multi-source<\/h2>\n\n

\nLa carte int\u00e8gre une architecture de type diode id\u00e9ale<\/strong> permettant la gestion de plusieurs\nsources d\u2019alimentation. Cette fonction permet de limiter les pertes et d\u2019\u00e9viter les retours de courant\nind\u00e9sirables entre les diff\u00e9rentes entr\u00e9es.\n<\/p>\n\n\n \n \n \n \n \n \n \n
Fonction<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
Commutation<\/td>\n S\u00e9lection automatique de la source disponible<\/td>\n <\/tr>\n
Pertes r\u00e9duites<\/td>\n Architecture plus efficace qu\u2019une diode classique<\/td>\n <\/tr>\n
Protection<\/td>\n R\u00e9duction du risque de retour de courant entre sources<\/td>\n <\/tr>\n
Usage vis\u00e9<\/td>\n Syst\u00e8mes batterie, alimentation externe ou architecture hybride<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

\nCette fonction est particuli\u00e8rement utile dans les syst\u00e8mes embarqu\u00e9s n\u00e9cessitant une alimentation robuste\net un comportement propre lors des changements de source.\n<\/p>\n\n

5. Conversion 5 V \/ 6 A<\/h2>\n\n

\nLa carte int\u00e8gre un \u00e9tage de conversion assurant la g\u00e9n\u00e9ration du rail principal 5 V<\/strong>.\nCette sortie est destin\u00e9e \u00e0 alimenter la carte h\u00f4te et, selon l\u2019architecture syst\u00e8me, les p\u00e9riph\u00e9riques\nraccord\u00e9s au m\u00eame domaine d\u2019alimentation.\n<\/p>\n\n\n \n \n \n \n \n \n
Sortie<\/th>\n Valeur<\/th>\n Usage<\/th>\n <\/tr>\n <\/thead>\n
Rail principal<\/td>\n 5 V<\/td>\n Alimentation de la carte h\u00f4te<\/td>\n <\/tr>\n
Courant maximal<\/td>\n 6 A<\/td>\n Budget courant total disponible<\/td>\n <\/tr>\n
Distribution<\/td>\n Carte + interfaces<\/td>\n Selon le c\u00e2blage et la charge syst\u00e8me<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

\nAvant d\u2019alimenter des charges externes, v\u00e9rifier que le budget courant global reste compatible avec la\nconsommation totale du syst\u00e8me.\n<\/p>\n\n

6. Interface I\u00b2C BMS<\/h2>\n\n

\nLa BMS LC30 Power Board expose une interface I\u00b2C<\/strong> d\u00e9di\u00e9e \u00e0 la communication avec le BMS.\nCette interface permet \u00e0 la carte h\u00f4te de lire les informations de supervision batterie.\n<\/p>\n\n

\nLe bus I\u00b2C est isol\u00e9 \u00e9lectriquement<\/strong> entre le BMS et la partie syst\u00e8me de la power board.\nCette isolation permet :\n<\/p>\n\n

    \n
  • d\u2019am\u00e9liorer la robustesse du syst\u00e8me face aux perturbations \u00e9lectriques,<\/li>\n
  • d\u2019\u00e9viter les boucles de masse entre la batterie et la carte h\u00f4te,<\/li>\n
  • de s\u00e9curiser la communication dans des environnements contraints,<\/li>\n
  • de d\u00e9coupler les domaines de puissance et de logique.<\/li>\n<\/ul>\n\n\n \n \n \n \n \n \n \n
    Signal<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
    SDA<\/td>\n Ligne de donn\u00e9es I\u00b2C (c\u00f4t\u00e9 syst\u00e8me)<\/td>\n <\/tr>\n
    SCL<\/td>\n Ligne d\u2019horloge I\u00b2C (c\u00f4t\u00e9 syst\u00e8me)<\/td>\n <\/tr>\n
    3.3 V<\/td>\n R\u00e9f\u00e9rence logique de l\u2019interface<\/td>\n <\/tr>\n
    GND<\/td>\n Masse syst\u00e8me (isol\u00e9e du domaine BMS)<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

    \nLe BMS TYVA LC30 communique en SMBus \/ I\u00b2C<\/strong>. L\u2019isolation int\u00e9gr\u00e9e permet une\ninterop\u00e9rabilit\u00e9 fiable avec une carte h\u00f4te tout en prot\u00e9geant les domaines \u00e9lectriques.\n<\/p>\n\n

    7. Interface syst\u00e8me<\/h2>\n\n

    \nLa carte a \u00e9t\u00e9 con\u00e7ue pour une int\u00e9gration simple dans un syst\u00e8me de type Raspberry Pi \/ CM5, avec reprise\ndes signaux utiles sur l\u2019interface syst\u00e8me.\n<\/p>\n\n\n \n \n \n \n \n \n \n \n
    Signal<\/th>\n Description<\/th>\n <\/tr>\n <\/thead>\n
    5V<\/td>\n Distribution de l\u2019alimentation principale<\/td>\n <\/tr>\n
    GND<\/td>\n Masse syst\u00e8me<\/td>\n <\/tr>\n
    SDA<\/td>\n Bus I\u00b2C vers le BMS<\/td>\n <\/tr>\n
    SCL<\/td>\n Bus I\u00b2C vers le BMS<\/td>\n <\/tr>\n
    bms_3V3_enable<\/td>\n Signal logique de contr\u00f4le associ\u00e9 au sous-ensemble BMS<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

    \nD\u2019apr\u00e8s le sch\u00e9ma fourni, les signaux SDA<\/strong>, SCL<\/strong> et\nbms_3V3_enable<\/strong> sont repris vers l\u2019interface h\u00f4te, ce qui simplifie l\u2019int\u00e9gration\nlogicielle et mat\u00e9rielle de la supervision batterie.\n<\/p>\n\n

    8. Int\u00e9gration BlueStack<\/h2>\n\n

    \nLa BMS LC30 Power Board s\u2019int\u00e8gre dans l\u2019architecture BlueStack<\/strong> comme module\nd\u2019alimentation et de supervision batterie. Son r\u00f4le est de centraliser les fonctions de gestion \u00e9nerg\u00e9tique\net de fournir une interface propre \u00e0 la carte de calcul.\n<\/p>\n\n\n \n \n \n \n \n \n \n
    Aspect<\/th>\n Int\u00e9r\u00eat<\/th>\n <\/tr>\n <\/thead>\n
    Architecture modulaire<\/td>\n R\u00e9duction du c\u00e2blage et des cartes annexes<\/td>\n <\/tr>\n
    Distribution 5 V<\/td>\n Alimentation centralis\u00e9e du syst\u00e8me<\/td>\n <\/tr>\n
    Supervision batterie<\/td>\n Lecture des informations BMS c\u00f4t\u00e9 h\u00f4te<\/td>\n <\/tr>\n
    Interop\u00e9rabilit\u00e9<\/td>\n Association simple avec une carte CM5 ou un autre module BlueStack<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

    \nCette logique documentaire et modulaire est coh\u00e9rente avec la structure d\u00e9j\u00e0 utilis\u00e9e sur les autres pages\ntechniques de la gamme.\n<\/p>\n\n

    9. Mise en \u0153uvre<\/h2>\n\n

    \nProc\u00e9dure type de mise en service :\n<\/p>\n\n

      \n
    1. Connecter le pack batterie compatible au module.<\/li>\n
    2. V\u00e9rifier soigneusement la polarit\u00e9 avant mise sous tension.<\/li>\n
    3. Raccorder la carte h\u00f4te \u00e0 l\u2019interface syst\u00e8me.<\/li>\n
    4. V\u00e9rifier la pr\u00e9sence du rail 5 V<\/strong>.<\/li>\n
    5. Initialiser le bus I\u00b2C<\/strong> c\u00f4t\u00e9 syst\u00e8me h\u00f4te.<\/li>\n
    6. Valider la communication avec le BMS avant int\u00e9gration finale.<\/li>\n<\/ol>\n\n

      10. Pr\u00e9cautions<\/h2>\n\n

      \nLes points ci-dessous doivent \u00eatre respect\u00e9s lors de l\u2019int\u00e9gration :\n<\/p>\n\n

        \n
      • Respecter strictement la polarit\u00e9 batterie.<\/li>\n
      • Ne jamais court-circuiter la sortie 5 V.<\/li>\n
      • V\u00e9rifier la compatibilit\u00e9 des niveaux logiques avant connexion \u00e0 une carte externe.<\/li>\n
      • Couper l\u2019alimentation avant toute modification du c\u00e2blage.<\/li>\n
      • Prendre en compte l\u2019\u00e9chauffement en cas de fonctionnement prolong\u00e9 \u00e0 fort courant.<\/li>\n<\/ul>\n\n

        11. Sp\u00e9cifications synth\u00e9tiques<\/h2>\n\n\n \n \n \n \n \n \n \n \n \n \n \n
        Param\u00e8tre<\/th>\n Valeur<\/th>\n <\/tr>\n <\/thead>\n
        BMS int\u00e9gr\u00e9<\/td>\n TYVA LC30<\/td>\n <\/tr>\n
        Type batterie<\/td>\n Li-ion \/ LiPo<\/td>\n <\/tr>\n
        Configuration batterie<\/td>\n 3S \u00e0 5S<\/td>\n <\/tr>\n
        Tension pack maximale<\/td>\n 21 V<\/td>\n <\/tr>\n
        Sortie syst\u00e8me<\/td>\n 5 V<\/td>\n <\/tr>\n
        Courant de sortie max<\/td>\n 6 A<\/td>\n <\/tr>\n
        Communication BMS<\/td>\n I\u00b2C \/ SMBus<\/td>\n <\/tr>\n
        Gestion d\u2019entr\u00e9e<\/td>\n Multi-source par diode id\u00e9ale<\/td>\n <\/tr>\n <\/tbody>\n<\/table>\n\n

        \nLes caract\u00e9ristiques 3S \u00e0 5S<\/strong>, jusqu\u2019\u00e0 21 V<\/strong> et la communication\nSMBus \/ I\u00b2C<\/strong> correspondent aux sp\u00e9cifications du module TYVA LC30.\n<\/p>\n\n

        \nBMS LC30 Power Board \u2014 Manuel technique
        \nR\u00e9vision documentaire \u2014 Avril 2026\n<\/p>\n","protected":false},"excerpt":{"rendered":"

        BMS LC30 Power Board \u2013 Manuel technique La BMS LC30 Power Board est une carte de gestion d\u2019alimentation con\u00e7ue autour […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"doc_category":[34],"doc_tag":[],"class_list":["post-451","docs","type-docs","status-publish","hentry","doc_category-power-board"],"year_month":"2026-04","word_count":1265,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admininistrateur","author_nicename":"admininistrateur","author_url":"https:\/\/solutionsreeds.fr\/wp\/author\/admininistrateur\/"},"doc_category_info":[{"term_name":"Power Board","term_url":"https:\/\/solutionsreeds.fr\/wp\/docs-category\/power-board\/"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/docs\/451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/comments?post=451"}],"version-history":[{"count":5,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/docs\/451\/revisions"}],"predecessor-version":[{"id":472,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/docs\/451\/revisions\/472"}],"wp:attachment":[{"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/media?parent=451"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/doc_category?post=451"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/solutionsreeds.fr\/wp\/wp-json\/wp\/v2\/doc_tag?post=451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}