The Adafruit DC Power BFF Add-On lets you power your QT Py or Xiao development board from a DC source up to 20V. The on-board MPM3610 integrated buck converter steps down the input to 5V at up to 1A, with no heat sink required — providing plenty of power for LEDs, WiFi, displays, and small motors.

Key Features

• Wide Input Range – Accepts up to 20V DC input
• MPM3610 Buck Converter – Generates 5V at up to 1A, no heat sink needed
• Dual Power Inputs – 3.5mm terminal block and 2.1mm DC jack
• Pass-Through Output – Terminal block can provide high-voltage power to other devices
• Schottky Diode Protection – Protects both inputs from back-feeding
• External Switch Pads – Solderable pads for an on/off switch to disable the converter

Compatibility

• QT Py and Xiao development boards (any variant)

Ideal For

• Powering QT Py projects from wall adapters, batteries, or solar panels
• Projects requiring higher voltage input than USB can provide
• Portable and remote IoT installations

Package Contents

• 1× Adafruit DC Power BFF Add-On
• 2× 7-pin socket headers