Questions tagged [power-delivery]
The power-delivery tag has no usage guidance.
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Always-on socket in-between a 2-way switch?
I have access to a power cable that powers devices through a 2-way switch, basically:
Is it possible to add an always-on socket in between using L1, ...
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Need a minimal circuit to obtain 5V from discrete 5V to 20V (5V, 9V 12V, 15V or 20V) input
I have a Vin that can cycle between a set of discrete levels: 5V, 9V, 12V, 15V or 20V (a USB-C PD source.)
The Vin will be ...
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USB 2.0 0.9A and Data (hub) Simultaneously
Trying to combine USB hub and higher-than-default USB charging currents.
My experience with implementing USB is close to zero, although I usually have no problems with datasheets and other designs I ...
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18/4 connector for repeated plugging and unplugging? [closed]
I'm designing a device for off-grid DC power delivery. Because this is a fairly specialized system that wants to minimize complexity and whatnot, the plan is for the power supply and load to be ...
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Creating a USB charger from 2-wire DC [closed]
I'm trying to tackle a problem where I want to wall-mount a USB device on a brick wall that only has a single 2-wire (14AWG) cable available, and no room / capability to run a new cable or remove the ...
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Is it ok to connect the output of a solar controller to a fused outlet on a fuse panel?
The fuse panel is breakered to a battery and is used to power other low amp equipment. The model is the 6 gang blue sea panel with blade type fuses.
Since the fuse panel is just a couple pieces of ...
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How to connect live and neutral and earth connection in AC devices plugged into socket?
I know that when I have a fixed lamp in my house I have to use a single switch on the live wire. But when the device is connected using a plug the live wire and the neutral wire vary depending on how ...
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High Current Buck Converter with wide input voltage [closed]
I'm currently building a powerbank with PD outputs that are capable of outputting 5 amps at 20 volts, but my battery pack is 33.6V (8S Li-ion). I've managed to find a possible buck converter IC (...
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How do bypass capacitors recharge in high-frequency if the PCB can't deliver high-frequency currents?
I understand the whole theory behind bypass capacitors, how they are necessary to deliver high-frequency currents to the IC, as the PCB in general has high-inductance, thus high-impedance in high-...
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Why do new phones and tablets with a USB Type-C connector use a USB Type-A charger? [closed]
I have noticed that many relatively new phones and tablets with USB Type-C connectors (e.g., Nokia 6.1 or Samsung Galaxy Tab A T-590) are bundled with USB Type-A fast chargers (e.g., 12V, 1.5A) and a ...
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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 ...
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Draw 15V from USB C Power Delivery devices
I need to draw 15V from USB C PD capable devices such as power banks or chargers.
So I need a rather small tool or build for this I can draw about 15V 3A via usb c with.
Thanks for your help.
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Is a PD controller necessary if VBUS is always >5V?
I'm trying to implement a board that will use USB-C Power Delivery. We want to operate with 20V 5A input. If we know the source will always be at 20V, is it necessary to put a PD controller on the ...
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USB PD Power Delivery Skip 9V Requirement
Is there any way possible to implement a USB C PD port that only sources 5V and 15V? As I read the spec (USB Power Delivery Specification Rev. 3.0, Version 1.2, June 21, 2018) it seems that I cannot ...
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USB Type-C DRP Integrated Switch/Interface Chip
I would like to experiment with a power bank design with a single usb type-c port. The port should have dual role, source current for charging other devices as well as sink current for charging itself....
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