Power ElectronicsPrototype
CellGuard Smart BMS
Modular battery management system with per-cell monitoring, inductive active balancing and an extended Kalman filter for SoC/SoH.
Block diagram
Selected block
Cell Stack
4–16S
Connects to: Cell AFE, Active Balancer
Hover or tap a block to explore.
Specifications
| Series cells | 4–16S |
| Cell accuracy | ±2 mV |
| Balancing | Active, 1.5 A inductive |
| Continuous current | 150 A |
| Comms | CAN 2.0B, UART |
| Estimation | EKF SoC, SoH tracking |
Engineering breakdown
- 01
Monitoring
Daisy-chained AFEs sample every cell simultaneously for accurate impedance estimates.
- 02
Balancing
Energy is moved between cells rather than burned, extending usable capacity by up to 8%.
- 03
Safety
Independent hardware secondary protection trips even if firmware fails.
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