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Questions tagged [usb-pd]

The USB-PD tag relates to the Power Delivery extension of the USB specification. USB-PD is capable of supporting up to 100 W of power after negotiation between spec-compliant USB PHYs.

1 vote
3 answers
70 views

How to install a USB-C PD host port on my electric longboard (54.6 V)

Installing a USB-C Port on a Longboard for Charging I'm exploring options to install a USB-C port on my longboard to utilize its enormous ~400 Wh battery for charging my phone/laptop/anything. Initial ...
Zach's user avatar
  • 13
2 votes
2 answers
43 views

12V through USB Type C without PD

Can I get 12V to my system through USB type C without PD or configuration CC lines or Using CC controller? If yes how can I do that .
Vinod J's user avatar
  • 21
1 vote
0 answers
24 views

Low Quiescent Current over USB Type-C [closed]

I'm working on a battery powered project which I'm currently planning on powering over USB Type-C for flexibility. The 5V/3A spec would satisfy my needs for the high end of power draw, however, I want ...
TianCilliers's user avatar
0 votes
0 answers
32 views

USB-C module configuration pins in parallel connection

I have received a lot of help from several members of this site. After trying to wire two charging ports on the same device and investigating the diode OR-ing configurations and the power mux ...
condor12's user avatar
  • 145
0 votes
0 answers
43 views

STUSB4500: Contact Ground Issue

I'm working with the STUSB4500 for USB PD Sink. My PD circuit is the same as the Sparkfun Power Delivery USB-C board, and everything works well, except for the fact that the ground is super sensitive ...
Emerson's user avatar
  • 423
0 votes
0 answers
56 views

Help identifying "A32F" and "G9" chips used in USB-C cable built in wattmeters

I have been trying to identify the chips that are used in "power meter" USB C cables and adapters. I have purchased and taken apart the following two adapters for this: Adapter 1 - No name ...
Anas Malas's user avatar
0 votes
1 answer
103 views

Need a help with CYPD3177

So basically this IC is used to request specific voltage and current options required at any point. You can find a User Manual here. For changing the output voltage it says in page 21 that you have to ...
Mohsen Razzaghi's user avatar
1 vote
1 answer
155 views

Replace micro USB tablet connector with USB C

I'm considering upgrading my dad's old tablet, which currently has a micro USB connector. The issue arises from his habit of frequently misplacing the charger, and I'd prefer not to rely on an ...
condor12's user avatar
  • 145
0 votes
1 answer
61 views

DC-DC design with STUSB4761

I am designing a powered USB HUB (UFP) which can provide power to the host through USB PD. This means I need a PD controller which supports DR_Swap and it seems that STUSB4700/STUSB4710 cannot be used ...
osy's user avatar
  • 3
-1 votes
2 answers
40 views

USB Power delivery: what happens if device requests intermediate of power supply's supported powers? [closed]

For example, if you connect Power adapter that supports USB PD 3.0 with PPS, output of 5V, 15V, to a device which requests 9V (and does not support PPS), is it possible that power adapter would give ...
Foldus's user avatar
  • 1
0 votes
2 answers
86 views

USB C Power Delivery using below schematic?

I have limited experience with USB C and I want to design a board which needs to charge both a smartphone and another subsystem which draws around 1W. I have read that by just connecting a 5.1k ...
Andreiul's user avatar
0 votes
0 answers
32 views

How to design dual mode USB Type C power bank?

I want to design power bank that has 2 USB Type C ports and uses a large lithium battery inside. I want to be able to use 100W power delivery when possible. I am absolutely overwhelmed by looking at ...
zoonman's user avatar
  • 182
0 votes
2 answers
92 views

USB Type C mobile phone charger Design using MPQ4242-AEC1

I am planning to design a USB type C charger for my bike. This is the first time I am designing a USB charger. I decided to use MPQ4242-AEC1 from MPS. A 12 V will be coming from my battery. As per my ...
Confused's user avatar
  • 2,593
0 votes
0 answers
42 views

Configuring a USB-C/PD Controller IC for a Type-A Output

I'm working on a new USB charging product to be installed on airplanes. I understand the power requirements well enough: it has to take 12V-32V input and be able to provide up to 45W of power per ...
Perry Watson's user avatar
0 votes
1 answer
51 views

USB PD multiple voltages simultaneously [closed]

I haven’t been to stack overflow in a loooong time, it’s nice to be back! I was just wondering if USB Power Delivery can provide multiple different voltages simultaneously… say, 5V & 9V, on two ...
Aaron Chauvin's user avatar

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