CAN Communication Board Design

flux

0:00

Work completed
  • Microcontroller & CAN Interface (all sub-steps)
  • BMS setup (all sub-steps)
  • Power tree and EMI filters
  • CAN-to-MCU and BMS interconnections on schematic
  • Connected CAN bus nets (TX/RX, choke, termination, TVS)
Tasks remaining
  • Design & Verification:
    • Run ERC/DRC checks for high-current and isolation clearances
    • Review part availability and update BOM
  • Net connections on BMS AFE:
    • Add DatasheetURL property to the 7-series Li-ion BMS AFE component
    • Retrieve pin descriptions for pins 1–7 and set CellPin1Name–CellPin7Name
    • Rename AFE cell voltage pins to Vcell1–Vcell7
    • Wire Vcell1–Vcell7 to the cell tap connector
    • Connect thermistor, current-sense, contactor-driver, precharge, VIN protection, and pack-connector nets
Success criteria
  • ✅ Isolated J1939 CAN interface with termination, ESD, choke
  • ✅ MCU with CAN integrated
  • ✅ 7-series BMS AFE and supporting circuits placed
  • ✅ 12 V, 5 V, 3.3 V rails defined with regulators and filters
  • ⚠️ ERC/DRC checks not yet run
  • ⚠️ BMS AFE pin properties and net wiring incomplete
Recommended next step
Run ERC/DRC checks to verify clearances, then complete the remaining net connections and update the BMS AFE pin properties and datasheet link.
152 days
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