Extra Power Input for Khadas VIMs

NOTE:

  • THE MAIN POWER SUPPLY COMES FROM USB-C PORT, AND THIS GUIDANCE IS FOR EXTRA POWER SUPPLY.
  • ENSURE THAT THE VOLTAGE OF YOUR POWER ADAPTER, IT’S 5.2V AS MAX, 2000MA IS RECOMMENDED.

Overview

Khadas VIMs designed with two power supply ports:

  • One is USB-C port: used for both power supply and USB data transmission.
  • The other one is a 4-Pin VIN port which is close to USB-C port.
  • If have to figure out a third one, the USB port will be the optional one.

Using USB-C as extra power input

USB-C is a normal power supply interface,can also transport data in the same time,like burning firmware、ADB debug…
image

Using VIN as extra power input

VIN Port spec as a 4-Pin 1.25mm port, and the pins define as following:

Image of Extra_Power_VIN_Port
Tips: we haven’t develop VIN cable for sale now, so this should be DIY by yourself.

Using USB host as extra power input

You might be also interested in a male-to-male USB cable to provide the extra power as following:

Image of Male2Male_USB_Extra_Power
Tips: the USB port beside the USB-C port is recommened to used as extra power input, as it spec as 900mA, and another one beside LAN port is spec as 500mA. Check the schematic for further details.

See Also