SparkFun
SparkFun Power Delivery Board - USB-C (Qwiic)
The SparkFun Power Delivery Board uses the STMicroelectronics STUSB4500 controller to negotiate USB Power Delivery (PD) contracts with compatible chargers an...
The SparkFun Power Delivery Board uses the STMicroelectronics STUSB4500 controller to negotiate USB Power Delivery (PD) contracts with compatible chargers and adapters. Instead of being limited to 5 V from a standard USB connection, this board can request higher voltages — typically 5–20 V and up to 100 W — from any USB-C PD power source.
The STUSB4500 handles all power negotiation autonomously using profiles stored in its built-in non-volatile memory. Configuration is done over I²C, and the Qwiic connectors make it easy to connect to a microcontroller for setup. Once configured, the board operates standalone — no microcontroller needed during normal use.
Key Features
- USB-C Power Delivery – Negotiate 5–20 V from PD-compatible adapters
- Up to 100 W – High-power output from a single USB-C connection
- STUSB4500 Controller – Autonomous PD negotiation with NVM-stored profiles
- Qwiic / I²C Interface – Solderless configuration via Qwiic connector
- Standalone Operation – No microcontroller required after initial configuration
- Through-Hole Breakout – SDA and SCL plated through-holes for non-Qwiic setups
Specifications
- Controller: STMicroelectronics STUSB4500
- Input: USB-C (Power Delivery)
- Negotiable Voltages: 5–20 V (source dependent)
- Max Power: Up to 100 W
- Configuration Interface: I²C (Qwiic or through-hole)
- Profile Storage: Non-volatile memory (NVM)
Ideal For
- Powering projects from USB-C PD chargers at higher voltages
- Replacing multiple wall adapters with a single USB-C power source
- Battery charging systems that benefit from PD negotiation
- Portable and benchtop power supplies
Package Contents
- 1× SparkFun Power Delivery Board – USB-C (Qwiic)
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- Qwiic
- Qwiic is a plug-in connector system for I2C devices that uses small 4-pin cables, so you can connect compatible sensors without soldering. It matters because your controller or adapter also needs Qwiic, or you will need a cable or breakout to wire it up.
- USB Power Delivery (PD)
- USB Power Delivery is a USB-C charging standard that lets a power supply and device negotiate higher voltages and power levels. If a board requires PD input, you need a compatible USB-C PD power adapter and cable, not just any USB-C charger.
- USB-C
- A modern reversible USB connector used for power and data connections. On this product it matters because it can connect directly to a computer as well as to a microcontroller project.
Find this product in
Power & Batteries
SparkFun Power Delivery Board Schematic
Schematic · 93.4 KB · Click any page to view full size
STUSB4500 Datasheet
Datasheet · 1.5 MB · Click any page to view full size
Supplier page — sparkfun.com
Supplier Description · 680.3 KB · Click any page to view full size
Resources & Downloads
Guides, code examples, and more
Related Tutorials
Free guides on learn.littlebird.com.au
