| Item | # Pins |
|---|---|
| Load Switch (9 rails) | 18 (If correct sensors can be sourced) |
| MPPT (for all 3 systems) | 39 (at min. testing needed) |
| I2C (for MPPT dig pot & BMS system) | 2 |
| SPI + chip selects | 5 |
| EFuse enables | 3 |
| Buck enables | 5 |
| CAN | 2 |
Also will need to budget for new payload connections
Current count: 74