ETRA SOM/ETRA Evaluation Kit/Interfaces and Connectors/Power Supply
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Power Supply[edit | edit source]
The power supply for this EVB can be provided through J1 connector or from USB OTG connector.
J1 Description TDO: add image[edit | edit source]
Power can be provided through the J1 connector. Power voltage range is +[12-24 V].
J1 is a two pins MSTBA 2.5/2-G-5.08 Phoenix connector.
[[File:{Template:Nome-som-EVB-Power Supply-connector.png|thumb|center|500px|Power Supply connector]]
J1 Signals[edit | edit source]
The following table describes the interface signals:
| Pin# | Pin function | Pin Notes |
|---|---|---|
| 1 | VIN | +[12-24 V] |
| 2 | GND | Ground |
Power LED[edit | edit source]
DL1 is a green LED (placed near the SoM) it shows the status of the power input. This LED is ON when a valid power supply is present eighter from J1 or USB OTG port.
