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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.

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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
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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
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1 vote
0 answers
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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
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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
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0 answers
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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
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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
102 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
137 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
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1 answer
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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
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-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
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2 answers
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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
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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
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2 answers
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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
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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
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1 answer
50 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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2 answers
78 views

Pulling 100W from USB-C PD through SMD connector

I'm designing a compact addressable LED strip driver circuit. Since USB Type-C chargers with PD should be able to provide up to 100W @ 20V, I want to use a USB cable as my main power source to power ...
Tadej Gašparovič's user avatar
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0 answers
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Balancing Circuit for 2S Battery Using MAX77958 and MAX77960

I am currently working on designing a battery-powered device and have decided to use the MAX77958 and MAX77960 for the battery management system (BMS). While reviewing the datasheets and the ...
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-1 votes
1 answer
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Need help connecting 10 LED USB powered lights to one power source [closed]

I need help to connect 10 LED string lights into single plug. I wanted to make sure I have enough power, but not burn out the lights.
Nick 's user avatar
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7 votes
3 answers
2k views

Does USB-C Power Delivery require both CC pins or D+/D- pins?

I'm working on a project to update a device to use a Li-Ion battery rather than non-rechargables. I would like it to be charged via USB-C. I have previously used IP2721 to handle the power delivery ...
Chris's user avatar
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1 vote
0 answers
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Monitoring Power/Connection status with INA219 and Arduino

Hey all I am looking to monitor the voltage/plugged in of a USB-C device. I am using the INA219 to monitor the voltage using the I2C (SDA/SCL) lines to my Arduino (not shown in the schematic). I just ...
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USB 2.0 FS device over USB C with both power directions

I'm designing a battery-powered device with the following requirements: rq1: (a) Charge the device's battery over a USB C receptacle, or (b) provide power over the same receptacle. Both directions ...
WowSuchName's user avatar
0 votes
2 answers
890 views

USB-C pulldown on the CC lines: Is one resistor enough?

I want to charge a small, battery-powered device via a USB-C socket. It has a single LiPo battery, so 5V is fine. Since I want to make the connection as simple as possible, I do not want to engage in ...
Peter Kämpf's user avatar
1 vote
0 answers
49 views

Protection considerations for powering a microcontroller circuit through USB-C/Micro-USB

I am working on a project which utilizes an Adafruit ESP32 Feather V2 microcontroller and has a bunch of components requiring 5V. I will have everything on a perfboard and to power it more easily, I ...
mhmarcush's user avatar
0 votes
1 answer
37 views

USB-C assistance

I am creating a phased-array controller of sorts and will be using USB-C to power the controller. I have not used USB-C on my own PCBs. I would like a bit of clarification. I used the generic USB-C ...
Alexandria Walker's user avatar
1 vote
1 answer
57 views

Charging USB-C PD supported laptop from battery bank

Is there a way that I can change my USB-C PD supported laptop with battery bank? I have 3.7V 25000 mAH batteries bank. 5X (3.7V, 5000 mAH) batteries are connected in parallel. What sort of circuit ...
Zunuran Nasrullah's user avatar
0 votes
3 answers
94 views

Is there any logical reasons behind not allowing Vmax to a USB-PD device without communication?

AFAIK, when the power cable is connected, Usb-pd devices start with 5V and then set the power source to another higher voltage that the device can handle via proper USB communication. For example, our ...
ceremcem's user avatar
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2 votes
3 answers
115 views

USB PD: can two outputs of the same power supply be used to generate positive and negative voltage?

I want to power some old machines using an USB PD power supply connected via cables containing a USB PD sink configured for the proper voltage/current. However, one of those requires three voltages: +...
Laurent Giroud's user avatar
0 votes
1 answer
75 views

STUSB4500 PD controller: how to find reason for last shut-down?

I have a PCB using an ESP32 and the STUSB4500 PD controller. For some reason the system would shut-down once in a while but the problem is difficult to reproduce. I'm currently reading the ESP32 ...
Cyril Schmidiger's user avatar
0 votes
1 answer
134 views

Is there a way to fool a PD device into using a non-PD Power supply? [closed]

I have a collection of Raspberry Pi's all fitted into a nice custom case, I am using a large 5V 30A power supply to supply all the Pi's and it works great. I have just received a Pi5 and it has ...
Peter_Brown_USA's user avatar
0 votes
2 answers
78 views

Do any USB cables support PD at low current only?

We have an application that requires around 7.5W of power delivery over USB. However, we would like the cable to be as thin and as light as possible. So, best case scenario, we would use USB-PD to ...
Jeff's user avatar
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0 votes
1 answer
84 views

USB C - USB A cable connection for power source

I'm trying to power a small microcontroller board using the USB-C of a smartphone, to do so I took a USB C - USB A that has 4 lines (Vcc, GND and 2 data), but I'm not able to get 5V out of it. Simply ...
Paa's user avatar
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0 votes
0 answers
79 views

STUSB4500 shutting down when I hook-up my wireless charger

I'm using the STUSB4500 to generate 12V, 3A which generally seems to work. I'm configuring the STUSB4500 NVM registers using the SparkFun_STUSB4500.h library and the code looks like so: ...
Cyril Schmidiger's user avatar
0 votes
0 answers
94 views

Charge 20 V batteries with USB-PD

A number of power tools now use 20V or so batteries (ex. Milwaukee, Bosch, DeWalt, Parkside, etc). All of them usually come with their own charger (I think only DeWalt has the USB-C port directly on ...
Pa_'s user avatar
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0 votes
1 answer
169 views

What is TS component in this PCB?

I am drawing a USB type-C PD charger based on the information given by this manufacturer, but I have doubt related to the components (TS4, TS3, TS7, TS8, TS6, TS5) in the PCB board, what are those ...
imt_blake's user avatar
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8 votes
4 answers
2k views

What does this connector symbol mean in a charger schematic?

Could somebody explain what symbol JP1 means? iIt is presented in the schematic of the datasheet of a USB-C PD controller. I think JP1 symbol is kind of two state connector (normally closed and ...
imt_blake's user avatar
  • 441
0 votes
1 answer
258 views

What does mean NC in an schematic and BOM?

I am reading this datasheet to implement that IC for an USB-C PD module to charge a 2-S battery pack, but I have the doubt in the schematic (page 11). There are some capacitors with value NC which I ...
imt_blake's user avatar
  • 441
3 votes
2 answers
750 views

USB D± : Simultaneous BC 1.2 and USB2.0 data transmission Possible?

Background USB pins D± are used for: USB 2.0 data transmission Battery charging (BC 1.2) Question Can D± be used for USB 2.0 data transmission and BC 1.2, or does BC 1.2 preclude the use of USB 2.0 ...
kando's user avatar
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1 vote
1 answer
183 views

USB-C Power Delivery Board (HUSB238), 3.25A Setting not working [closed]

I have developed this USB-C Power Delivery board using HUSB238 IC: https://capuf.in/usb-c-pd-power-delivery-board-65w/ Datasheet of HUSB238 Problem What I have observed is using the Iset pin. If I ...
Pallav Aggarwal's user avatar
1 vote
1 answer
234 views

USB-C: Adding Data Transmission to USB PD

Background Texas Instruments' reference design PMP41013 exhibits bidirectional power transmission (DRP) via USB-C USB PD. This is principally accomplished through an IC: ...
kando's user avatar
  • 437
2 votes
1 answer
106 views

USB Type C - only for powering my board

I want to use a USB type C cable only to power my board. My board requires 5V input and max of 2A load. I read that by default, the USB Type C cable can give an output of 5V & 3A. So, I am ...
Newbie's user avatar
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1 vote
1 answer
133 views

USB-C: USB PD plus Data Transmission: Possible?

Background Texas Instruments' reference design PMP41013 exhibits the use of bidirectional power transmission (DRP) via USB PD via USB-C. This is principally accomplished through the use of two ICs: <...
kando's user avatar
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4 votes
3 answers
656 views

USB-C on/off switch design that is PD compatible (off similar to cold-plugging)

Setup I am running 4 meters of 12V LED strip lights off of a USB-C power bank using a HUSB238. This results in ~24 W (2 A @ 12 V) and works fine for my use case. To modulate the intensity, I have an ...
Jeff Prouty's user avatar
1 vote
1 answer
123 views

USB-C PD + USB 2.0

I am looking to power homebrew computer designs with USB-C. I have previously used USB-B micro at 5v and the current limits there haven't been a problem but when building analog circuitry (a sound ...
Procrastin8's user avatar
2 votes
1 answer
449 views

USB Type-C PD Trigger/Dummy/Decoy Boards

I want to make a 10 ports usb-c PD bank regarding to this. Perhaps a simple question but i have never worked with these: https://www.amazon.co.uk/Trigger-Module-Pdc004-Voltage-Release/dp/B0BGL4YNGG (‎...
SpaceCabbie's user avatar
0 votes
2 answers
264 views

Can a USB type-C PD port of a laptop provide high voltage?

I have designed a MCU board using CYPD3177 USB-PD controller IC. The goal is to request 9V from a laptop and/or a PC computer's USB Type-C port whilst also establishing data communication. Current ...
aulven's user avatar
  • 117
0 votes
2 answers
181 views

Universal laptop charger on USB-C computer

I recently bought a new laptop that came with a USB-C charger, leaving me with a few universal chargers from my old laptop that do not have a USB-C tip, but have the power capacity to supply the 20V/...
Lowraxe's user avatar
3 votes
1 answer
957 views

USB-PD 3.1 (up to 240W) Dual-Role Port Controller

TLDR: do any dual-role USB-C port controller ICs support USB-PD 3.1 to allow 240W charging? I am designing a power management module for an ebike which will utilize bidirectional USB-C Power Delivery. ...
Chase Martin's user avatar
0 votes
1 answer
64 views

Connected my keyboard to Apple 67W USB-C Power Adapter: Voltage Concerns [closed]

I recently had an experience with my keyboard (HHKB Professional Hybrid Type S) that I wanted to get some additional insights on. Specifically, I accidentally connected my keyboard to a 67W Apple USB-...
KF Hed's user avatar
  • 13
1 vote
0 answers
30 views

Auto power switching between USB and a range of Lipos (1S-3S)

I'm designing a circuit used in a portable device. I want the option of powering the device over USB or from a range of different Lipo batteries (1S-3S). I want the circuit to auto negotiate between ...
Fireflash's user avatar
0 votes
0 answers
30 views

Charge one powerbank from multiple sources

I am in need of more power while traveling and for this purpose I will create a setup with one dynamo hub, one larger solar panel (30W) on the back of the bike and a smaller (10W) solar panel in front....
dobre dani's user avatar