2/18/22 Requirements
Absolute Maximum Draw
| Module | 3.3V Rail Max Required Current (mA) | 5V Rail Max Required Current (mA) | 7.2V Battery Max Required Current (mA) |
|---|---|---|---|
| Backplane | 0 | 0 | 55 |
| Power | 0 | 0 | 1584 (from calculation below) |
| Autopilot | 11 | 500 | 1000 |
| Radio | 565 | 0 | 0 |
| Sensor | 400 | 100 | 0 |
| Future Board(s) Allotment | 500 | 500 | 0 |
| Total | 1476 | 1100 | 2639 |
Expected Draw
| Module | 3.3V Rail Max Required Current (mA) | 5V Rail Max Required Current (mA) | 7.2V Battery Max Required Current (mA) |
|---|---|---|---|
| Backplane | 0 | 0 | 55 |
| Power | 0 | 0 | 1584 (from calculation below) |
| Autopilot | 11 | 500 | 1000 |
| Radio | 565 | 0 | 0 |
| Sensor | 400 | 100 | 0 |
| Future Board(s) Allotment | 500 | 500 | 0 |
| Total | 1476 | 1100 | 2639 |
Power Board Battery Draw Calculation
Assume 90% step down efficiency
Power = (1476mA * 3.3V + 1100mA * 5V) * 1.1 = 11,408mW
Current = 11,408mW / 7.2V = 1,584mA
11/4/22 Requirements
Absolute Maximum
| Module | 3.3V Rail Max Required Current (mA) | 5V Rail Max Required Current (mA) | 7.2V Battery Max Required Current (mA) |
|---|---|---|---|
| Backplane | 0 | 0 | 55 |
| Power | 0 | 0 | 1584 (from calculation below) |
| Autopilot | 11 | 500 | 1000 |
| Radio | 565 | 0 | 0 |
| Sensor | 400 | 100 | 0 |
| Future Board(s) Allotment | 500 | 500 | 0 |
| Total | 1476 | 1100 | 2639 |
Power Board Battery Draw Calculation
Assume 90% step down efficiency
...
| Module | 3.3V Rail Max Required Current (mA) | 5V Rail Max Required Current (mA) | 7.2V Battery Max Required Current (mA) |
|---|---|---|---|
| Backplane | 0 | 0 | 60 |
| Power | 0 | 0 | 945 (from calculation below) |
| Autopilot | 0 | 500 | 1000 |
| Radio | 565 | 0 | 0 |
| Sensor | 400 | 100 | 0 |
| Total | 965 | 600 | 2005 |
Power Board Battery Draw Calculation
Assume 90% step down efficiency
...
| Module | 3.3V Rail Max Required Current (mA) | 5V Rail Max Required Current (mA) | 7.2V Battery Max Required Current (mA) |
|---|---|---|---|
| Backplane | 0 | 0 | 60 |
| Power | 0 | 0 | 2212 (from calculation below) |
| Autopilot | 0 | 500 | 1000 |
| Radio | 565 | 0 | 0 |
| Sensor | 400 | 100 | 0 |
| Future Board(s) Allotment | 1000 | 1000 | 1000 |
| Total | 1965 | 1600 | 4272 |
Power Board Battery Draw Calculation
Assume 90% step down efficiency
...