Reference Material Here
Current Requirements:
| Item | PN | Current (mA) |
|---|---|---|
| Microcontroller | ATMEGA328P | 10 |
| Accelerometer | LSM9DS1 | 5 |
| Altimeter | MPL3115A2 | 2 |
| Memory | Adafruit FRAM | 1 |
| Total Current | 18 |
...
- Incoming voltage: 3.7V from LiPo Batteries (Max Voltage 4.2V)
Implementation:
PMOS Polarity Protection:
...
- TPS73133 LDO
- 150mA Current
- Low Dropout (Max 30mV)