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Powering the board

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klopezal edited this page May 27, 2016 · 5 revisions

The board has several power supply ports:

  • 5V ports on the JST or Pixhawk connectors to supply power via flight controller :

drotek_rtk_gnss_alim_df13

DF13 connector schematic :

drotek_rtk_gnss_df13

JST connector schematic :

drotek_rtk_gnss_jst

  • 5V port on the board (if you power it with the FTDI for example) :

drotek_rtk_gnss_alim_ftdi

  • 7 to 17V (4S) on the power pins

drotek_rtk_gnss_3D

The board has 3 voltage regulators :

  • 5V regulator from the power pins
  • 4.2 V regulator for the Edison
  • 3.3 V for U-Blox, USB hub, and HMC

Make sure you only you power the board through one of the previous ports. The power consumption can be quite high whenever the USB/Ethernet hub is used :

  • Edison peak consumption : 600 mA (during WiFi transmission)
  • USB/Ethernet Hub peak consumption : 250 mA (with Ethernet)
  • U-Blox M8T peak consumption : 60 mA

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