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Questions tagged [usb-pd]

USB-PD tag relates to the Power Delivery extension of the USB spec. USB-PD is capable of support up to 100W of power through negotiation between spec-compliant USB phys.

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12
votes
3answers
9k views

Do all USB Type C cables support full power delivery

USB Power Delivery is able to work over USB Type A/B cables which are specifically designed to support it. Since the USB Type C was designed much later, I am curious. Do all USB Type C cables support ...
5
votes
5answers
4k views

How to get 20 V from a USB-C charger?

I want to power my DIY stuff with a MacBook Pro USB C charger. The label on a charger says that it can provide three different power profiles: 20.2V - 4.3A 9V - 3A 5.2V - 2.4A There is a ton of ...
1
vote
2answers
283 views

Can I charge my AC rechargeable hearing aid batteries via USB PD with converter?

I hope you'll be able to help. First of all this is a bit of a complex one that I'm struggling with. I wear hearing aids, both of which use removable, rechargeable batteries, charged only by a charger ...
0
votes
1answer
42 views

Can a normal USB C panel mount socket be used to receive USB PD?

I'm building a lamp that has (up to) three wall-mounted units connected to a central control box. Each one gets three low-voltage control signal wires and 12V 3A DC power. I'm figuring that a USB PD ...
0
votes
1answer
388 views

Purpose of ICs in EMCA - Type-C

I can't find the purpose of IC ( which is power sourced by VConn) inside the EMCA. Source/Sink can communicate with EMCA via this IC. But what is exactly function of this IC in Power Delivery ? P/S: ...
0
votes
0answers
11 views

Build 9V powerbank from a generic USB-C PD (or QC3) powerbank [duplicate]

I need to use a powerbank with device with these requirements: 9V, 500ma. New USB-C with PD feature can deliver higher voltages than standard 5V and 9V (upt to 2A) is one of these. As far as I know ...
0
votes
1answer
69 views

Battery charging over USB-C (using USB-PD?)

I'm designing my first PCB, a wireless Keypad/Macropad with a battery. I'm probably going to be using a 2Ah Li-Ion battery because there will be a lot of LEDs on it and I just want it to last longer ...
0
votes
2answers
54 views

What would happen if a charger tried to pull more current than a QC 3.0 source can output?

I've got this charger: https://store.dji.com/product/mavic-car-charger It takes 12.7 - 16V input from a car and outputs 13.05V at 6.1A (~80W) I want to utilize a USB-PD and / or USB-C QC 3.0 ...
0
votes
1answer
113 views

USB C Spec Compliant way of splitting power

I'm trying to get a Y Splitter going on, where one of the sides is passthrough on the CC pins and the other side has a step down/buck converter that can take 5-20v input and always do 5v output. I ...
-1
votes
1answer
116 views

Solar power to USB C PD

I want to convert direct sunlight energy into usb c pd. USB C Pd then will be used to charge a powerbank. The bank can be charged via USB C. The actual solar panel is this: https://www.amazon.de/...