Here is the scenario:
Do you have a USB-C compatible Portable Power Bank laying around?
Do you have a project that requires 3.3V but don’t want to splice a USB Cable for the purpose?
Or maybe, you have a project that requires 12V but don’t own a Boost Converter so cannot step-up your USB 5V.
StuPD (Student Power Delivery) is here to solve all these problems!
StuPD is currently in its prototype stage and requires funding. However, a beta test prototype is out there for you to try, give feedback and help improve the next iteration.
So, imagine you’re late for your assignment because you had to work on another assignment before finishing another assignment… You go to the electronics lab and find out everyone else is in the same situation as you, occupying all the available power supplies!
StuPD is here to save you! If you have a USB-C PD compliant Portable Power Bank, you can make your own Adjustable Power Supply!
Get yourself a USB-C Cable, plug one end into the Power Bank and the other into StuPD ― and there you have it! Your own Power Supply.
Adjust the output voltage or pre-set it and you are good to go.
You can now work whenever you want, wherever you want, with StuPD!
How it works:
Right now, StuPD uses USB-PD on the type C’s CC lines to ‘request’ voltages through the STUSB4500 chip. The output, a LM2577S Buck-Boost adjustable regulator, controls the voltage level as the user desires.
This is merely the prototype. Additional features will be added to the first release of StuPD stated below.