All Questions
Tagged with usb-c power-delivery
21
questions
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49
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USB Type C PD Minimum Requirement
I have been wanting to veer away from older USB connectors and start using USB Type-C receptacles in future designs but the standard is quite confusing as a hobbyist.
Searching the internet I see that ...
- 353
1
vote
1
answer
113
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Help identifying chip in Huawei motherboard
Can you help me identify this chip? It looks like a SOT23-5 chip, it seems to be part of the USB-C Power Delivery. The laptop doesn’t power up because this chip seems to be part of the negotiation ...
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-1
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2
answers
232
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USB-PD over USB-A
I have a power adapter from Samsung which supports an output of 5.0V 2.0A or 9.0V 1.67A. The adapter has a USB-A output and fast charges my S10 at 9V. Can USB-A be used for USB-PD?
I also have a ...
- 11
1
vote
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373
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For USB-C, is it compliant to use the SBU pins for low voltage serial data transfer during 20 V Power Delivery?
I'd like to use a PD controller to allow for 20 V, 60 W+ to enter the sink system, but I'd also like to use the sideband pins (or other pins) to send some 3.3 V TTL serial data to the host side in the ...
- 11
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84
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USB connection and reconnection issue
I have upgraded a design with a USB2412 to a design with a USB2514Bi chip to have more USB ports available.
During testing we discovered the device works like expected when we connect it to a USB A ...
user220456
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1
answer
209
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How to connect a 24VDC LED light strip and 5V/500mA microcontroller board to power with a single USB-C cable?
I have a 24VDC LED light strip and 5v/500mA microcontroller board that I would like to connect to power with a single USB-C cable. At the moment they connect to their own power sources and the light ...
7
votes
2
answers
1k
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Implementing USB-C PD PHY directly into micro-controller
I want to explore more USB-C PD, in particular Programmable Power Supply (PPS), to supply my projects with power. There are some good projects1 using some standard communication (e.g. SPI or I2C) to ...
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3
votes
2
answers
533
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Crossing USB Type-C wires on debug probe
I plan to make debug probe that allows me analyze traffic on USB Type-C cable. I want to make blue middle board from the following schametic:
From my point of view right port of the my board is ...
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2
votes
1
answer
75
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Can USB-C PowerDelivery be restricted to manufacturers devices? [closed]
I have recently searched for a new monitor. I'd like to have a single-cable setup via USB-C, so I need a monitor that supports PowerDelivery. I found a good match (from HP) but looking into reviews on ...
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52
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DC powered USB wall faceplate
Looking to make a USB Power Delivery faceplate to install within a wall. Looking to feed the faceplate from a 48V DC Bus that I have available. Looking to get ideally x2 USB C connectors and x2 USB A ...
- 315
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698
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USB-C power delivery, how to power 20V pd device from "dirty" +20V source?
I want to charge my laptop from a solar pv panel. It charges via USB-C and so I bought a cheapo usb solar panel off ebay and a "power bank".
Turns out, the "power bank" is only for ...
- 111
0
votes
1
answer
96
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USB receptables for power delivery? [closed]
I'm not totally sure this is the right place to ask, but does anyone know of any USB C receptacles for low voltage and current power delivery? I can't find a good option with a good schematic.
- 223
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664
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Why does my USB-C PD trigger circuit not work in tandem with a DC-DC voltage step up module?
Good day internet humans,
I am pretty new to the world of diy electonics, and am in the process of putting together a DIY portable computer monitor built from an lcd panel from an old laptop and a ...
0
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0
answers
30
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5V from Power Delivery Charger [duplicate]
I have a PD capable charger. One interesting thing that I noticed is that if I directly plug a type-C to USB-A cable into it, I can get 5V.
However, if I use a PD compatible C-to-C cable, I can't get ...
1
vote
0
answers
245
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USB C PD source not powering simple USB 2.0 sink
I made a simple PCB that I wanted to be powered through a USB C connector with low current requirements (~50mA). I spent some time reading through the USB C Spec as well as reading other relevant ...
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