ATmega328P Specifications Overview
Table
| Rail | Load | Typical | Peak |
|---|---|---|---|
| MODEM_VBAT | BG95 LTE-M | 150-400 mA | 2 A bursts |
| VCC logic | ATmega328P | 10-25 mA | 40 mA |
| VCC logic | Level shifter/status | 1-5 mA | 10 mA |
| VCC logic | CAN transceiver | 5-20 mA | 70 mA dominant/fault margin |
| VCC logic | RS485 transceiver | 1-10 mA | 60 mA loaded TX margin |
| VCC logic | Ethernet controller + magnetics/PHY block | 120-180 mA | 250 mA |
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