Power controller cabling

 

Power controller cabling

Make sure you check your connections before applying power to the system. Incorrect voltages and/or incorrect cabling can damage the HiFiBerry board, the Pi and/or the power controller. There is no warranty replacement if the board was damaged due to incorrect cabling, polarity or voltage.

Connecting the power controller

This the the normal cabling scheme for all installations that run from a single 5V power supply.

External 5V power is supplied to the power controller, the connection between the power controller is done with the supplied ribbon cable.

Connecting the power controller to the Amp2

Important: Make sure that the jumper on the power controller is removed!
External power is supplied directly to the power controller to the Vin pins. The Vout power output of the power controller is connected to the power input of the Amp2. The ribbon cable is still needed for both firmware programming and communication between the Pi and the power controller.

Connecting the power controller to the Pi without external power

This is needed if you want to program a new firmware. As during firmware programming, external power would be cut, you need to power the Pi directly, not via the power controller. For this, you simply connect the Pi and the power controller with the supplied ribbon cable, but do not connect power to the power controller. Power is supplied as usual via the Raspberry Pi’s USB power connector.

Last updated: May 5, 2021