The AK-USBSUPPLY-C board takes power from an external power supply through an USB type C cable and delivers 3.3V and 5V through two dedicated pins. You can use this board to supply 5V and 3.3V to other peripherals and boards by using a standard wall charger, USB hub or a PC USB port.

The CC1 and CC2 pins of the USB type C connectors are connected to ground through two 5.1K Ohm resistors. This means that when the AK-USBSUPPLY-C board is used with the right power supply and cable (wall charger or hub with USB-C standard, for example) it can deliver up to 3A on the 5V rail and 800mA on the 3.3V rail (the board mounts an STMicroelectronics LD1117 low-dropout regulator for generating 3.3V, with a maximum output current of 800mA). When used with a USB 2.0 host or power supply, the board can deliver maximum 500mA on both the 3.3V and 5V rails.

There is also an on-board green LED connected to VBUS that signals when the board is receiving 5V from the external power supply.

We also ship this a power supply from USB with a mini conector: the AK-USBSUPPLY board.

Features and Characteristics

  • Maximum output current:
    • 5V pin: up to 3A (USB-C standard)
    • 3.3V pin: up to 800mA.
  • Operating temperature: -20/+80
  • Indicator led.
  • Ease of use.
  • Small size.



Additional information

Weight 0.010 kg
Dimensions 25 × 11 × 3 mm



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AK-USBSUPPLY-C 3.3V and 5V Power Supply from USB-C

A board that delivers 5V and 3.3V from an USB-C cable. Maximum output current: 3A.


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