Architettura BMS Automotive con Certificazione ASIL D
BatteryMgmt definisce architetture BMS per la produzione: microcontrollori lockstep dual-core che monitorano le tensioni di cella con precisione di 1 mV, pirofusibili che isolano cortocircuiti da 1.000A in meno di 2 ms e reti neurali fisiche per la stima di SoC e SoP.
Primary BMS Master Zonal Architecture
Central Controller: Primary BMS Master — Dual-Core Lockstep Controller
Zonal Control Units & TSN Ring
- Analog Front-End (AFE) 1 mV Sensing
- Pyro-Fuse Ultra-Fast Driver
- High-Voltage Contactor Matrix
- Dual Extended Kalman Filter SoC Engine
- Isolated UART / Iso-SPI Daisy Chain
Sicurezza Funzionale a Tolleranza Zero per Pacchi Batteria di Trazione a 800V
Un singolo evento di sovratensione o un dendrite non rilevato può innescare un runaway termico catastrofico. BatteryMgmt implementa percorsi di misura a doppia ridondanza, comparatori hardware di sovratensione ed economizzatori per garantire la sicurezza ASIL D.
Core Engineering Areas
- Dual Extended Kalman Filter SoC — Coupling two concurrent Extended Kalman Filters—one estimating state of charge, the second tracking internal cell ohmic and polarization resistance in real time.
- High-Voltage Contactor Sequencing — Managing pre-charge resistors, main positive/negative contactors, and rapid discharge circuits to prevent welding and arcing during inrush events.
- Pyro-Fuse Short-Circuit Isolation — Deploying micro-gas generator pyrotechnic safety switches to physically sever high-voltage busbars before thermal runaway or battery rupture can propagate.
Technical Articles
Related Cluster Architecture Specifications
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