The No Inductor power supply that utilizes USB PD 3.0/3.1 Programable Power Supply (PPS) to request voltage and set current limit.
Designed by CentyLab LLC in United States of AmericaSign up to get notified when this product is back in stock!
Update: Here is our first batch of HW1.1. It feature a new look that is smaller and more durable. It also have MAGNETs at the back for easy mounting! Sign up here to get product updates. We are conti…
Read More…Update: Here is our first batch of HW1.1. It feature a new look that is smaller and more durable. It also have MAGNETs at the back for easy mounting! Sign up here to get product updates.
We are continously improving the firmware, check out at PocketPD Firmware GitHub page
This project utilizes PicoPD's previous work to prototype a bench power supply. Beside portable soldering iron, this should be one of the best portable tools for college electrical engineering students. This bench power supply is powered by USB-C PD 3.0/3.1 using their PPS capability. There is no buck or boost converter on the board. We will explore how to implement constant voltage (CV) and constant current (CC), two modes that are featured in all of the standard bench power supplies. Best of all, it will fit inside your pocket!
As the DIY community has grown, there are multiple ways to implement control features like adjusting parameters via Wifi, Bluetooth, or touch screen. We want to keep the design language simple, just physical knobs and buttons to control. This will give the system higher reliability when you need it to work.
Not all USB-C power supplies support Programmable Power Supply (PPS) but many modern charger/powerbank does. Through our small sample size that includes powerbank/charger from Anker, Ugreen, and Baseus, here is our recommendation for getting Constant Current mode out of the box:
When using a source that doesn't support PPS, the software will enter 5V PDO profile and. Profile adjustment can be done by long press Volt/Amp button.
Note: All output connector tap on the same power rail.
Constant voltage:
Constant current:
Note: Constant current mode does not support under 1A with in PPS mode.
At input
At output
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