Questions tagged [power-supply]

For questions about devices that automatically supply and/or regulate electrical power for other devices. Do not use this tag for questions about PC power supplies (see the [smps] tag).

33 questions with no upvoted or accepted answers
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6
votes
0answers
82 views

Are there any power supplies that can be used with a 2001-era computer?

I have a computer from 2001 whose power supply probably needs to be replaced soon (the fan sometimes makes noises). It is currently using a 10-year old FSP400-60PFN 400 watt PSU. Power supplies from ...
6
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0answers
171 views

Non-generic power adapters with barrel connectors with 2.5 mm OD and 0.8 mm ID for Chinese tablets?

A lot of Chinese tablets (and probably some others as well) use a barrel connector instead of microUSB to charge. They all seem to use the standard size of 2.5 mm OD (outside diameter) and 0.8 mm ID (...
5
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0answers
40 views

Portable rechargeable battery (power supply) for tablets and phones that will also jumpstart large vehicle engines

I am seeking recommendations for a portable rechargeable battery pack. Requirements Reliable Can safely power tablets and phones (only need 2.1A at once) Can reliably jumpstart a large vehicle ...
4
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0answers
89 views

Asus Notebook X53SV -SX178V new Mainboard

I need a new mainbord for my Asus Notebook X53SV-SX178V, because the DC jack is broken and the mainboard is partly cracked. So I want to order a new mainboard which is called K53SV. There exist ...
3
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0answers
172 views

USB-C Hub with PD and DP Alt Mode

I have been looking for a USB C hub that is able to charge via PD whilst at the same time taking the video signal from the port and offering it on a separate USB C port on the hub. However after weeks ...
3
votes
0answers
70 views

Which PSU to get for very low power draw?

I'm building a very low power HTPC. I'd like to make it as efficient as possible. The components I've chosen (a low power Atom mobo/CPU, a single SO-DIMM and an SSD) should idle at around 10W if not ...
3
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0answers
33 views

Power supply to power a raw SATA disk (HIGH-QUALITY supply!)

I'm looking for an external power supply to power raw SATA disks. The catch is I want a high quality, well-built supply. There's plenty of supplies on Amazon, eBay, etc. that convert AC power to a 4-...
2
votes
1answer
33 views

USB C 3.1 Mini PC capable of running Linux

I have an MBP for work. I want to have a dedicated development environment for private projects to not mess up my work setup. Also, I wanna run Linux (just Ubuntu something). The MBP is currently ...
2
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0answers
22 views

USB hub with power (and data) control

Many (and fast) USB hubs are available in the market, but most of them do not provide a selective control over their single ports. From the OS, I would like to be able to: activate and deactivate ...
2
votes
2answers
66 views

Reading and activate/disable power of specific outlets

We want to offer Colocation in a DataCenter and therefore we need to messure the energy consumption of every single server via API. Also we need to be able to switch the power on/off state for every ...
2
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0answers
43 views

Specify Output Voltage of a USB Dongle

I am looking for some device which offers an API to specify the voltage output of an USB port. So actually I want to give power to some hardware by the USB Port and I want to specify on the PC if I ...
2
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0answers
352 views

5V, ~3A - 18650 li-ion battery bundle charger/balancer

I have a 15600MAh battery pack that came in one of my devices. Long story short, the controller circuit that charges the batteries was fried in a power outage, but the batteries are still good. I have ...
1
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0answers
14 views

USB 3.1 splitter Type C (male) to 2x Type A (male)

Because the default power of USB 3.1 is at max. 4,5 Watt I thought I could use a splitter or Y cable for that. The idea is that one USB-A male connector transfers the data (10 Gbit) and power and the ...
1
vote
0answers
126 views

How would you power multiple 3.5" hard drives without using an ATX power supply?

The idea is to grab an Intel NUC and plug one of these SATA to M.2 adapters into the M.2 port to connect four 3.5" HDDs as part of a build-your-own NAS project. The NUC however, cannot power the hard ...
1
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0answers
18 views

10 watt wireless charging receiver for phone

I want to add wireless charging to my USB-C phone. I have found many 5 watt Qi charging receivers online, like these, but no faster ones. 5 watt is way too slow compared to my usual wired fast ...
1
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0answers
17 views

Recommended PSU for a 6 card mining rig?

As the question suggests... Some background info first.... I'm looking at building quite a few mining rigs that can mine a wide variety of coins. Each rig is going to have 6 GPUs each, and are going ...
1
vote
2answers
75 views

What is the most affordable PSU for my requirements?

I have been reading a lot of things in the internet today about power supplies and I still cannot come to a conclusion on what exact PSU should I buy. The image below shows what I think is my power ...
1
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0answers
21 views

Is there a two-computer, multiple-port USB or KVM switch with *individual buttons* for each USB device?

I operate a two-computer setup with multiple displays and a plethora of USB devices. I have a pretty excellent KVM switch, that I'm generally very happy with; but I often need to switch the keyboard/...
1
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0answers
13 views

Micro-usb splitter?

I'm currently building a Qi-compatible receiver for my Raspberry Pi 3, but I still want it to have a port for a regular power supply. Is there any "splitter" out there that plugs into the micro-usb ...
1
vote
0answers
146 views

Which of these (Antec vs Seasonic) PSU's should I go for

So, I'm looking to buy a new PSU. After much research and a few other questions on this forum, I've come up with this shortlist of PSUs. http://amzn.in/akQKpXE The PSUs in the list are as follows ...
1
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0answers
57 views

A long-distance wireless charging product

Currently if you try to buy a "wireless charging" product to charge your phone, you'll mostly come across products based on the Wireless Power Consortium's Qi. These products involve placing your ...
1
vote
0answers
124 views

External battery backup for mac mini's AC power cord

I have a mac mini that I am now using as a server, and I need to prevent data corruption in case of blackouts, brownouts, power cuts, etc. I first wanted to use some battery backup PSU, but my ...
1
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0answers
33 views

Good alternative to original Dell Latitude E5400 battery (India)

I'm looking to buy a new battery online for my Dell Latitude E5400 laptop. I don't want to spend on an original one because it is ridiculously expensive and I especially don't want to spend that much ...
0
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0answers
5 views

Should I buy a EVGA 600 BR? Should this solve my problem?

I'm having trouble with my new GPU and I think it's a power issue, and I would like a recommendation about what PSU to buy (if my PSU isn't good enough). The setup: PSU Mars Gaming MPII 550, CPU i5-...
0
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0answers
8 views

i hear buzzing sound from my laptop

i hear buzzing sound from my laptop exactly near the touch pad i hear it when the pc on or off and it stops only if I unplug it and i remove the battery it's not the power supply because it's external ...
0
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1answer
23 views

I'm looking for the right hub / adapter which can work with my vga to smartphone cable and some other USB devices like mouse and keyboard

I'm using the adapter that you see below to attach a VGA monitor to my smartphone and I see on the monitor what I see on my smartphone (samsung note 3) : now,what I want to do is to find the working ...
0
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0answers
31 views

Connecting 8pin/6+8pin RTX 2060 to 2x6+2 pin Chieftec CTG-750C?

I see that the Nvidia RTX 2060 comes with 8pin or 6+8pin power ports, but my power supply, Chieftec CTG-750C, only has 2x6+2 pin power ports. Which RTX 2060 should I buy so I can connect it to my ...
0
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0answers
46 views

How to supply jetson tx2 with dji matrice 100 battery?

I want to put my jetson tx2 dev kit on the drone but i don't know how to supply the jetson using drone's battery. I think i need a dc/dc regulator (converter) cause the jetson require at most 19.6V, ...
0
votes
0answers
107 views

Running a Mini-ITX Computer with a picoPSU-80 from a power bank possible?

To begin, this is related to a project I wanted to do after getting some free hardware from someone. I would like to be able to run this computer from a power bank if possible, although I'm not too ...
0
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0answers
25 views

Graphics card and Power supply for architecture and 3d Modeling

I have a friend who is an architect and now is looking to build 3d models. He needs a new pc for fast 3d rendering and architecture related work. Here is a list of components that I recommended. ...
0
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0answers
18 views

Correct Power Supply Unit?

Okay, so a while ago my Viotek V-1200 power supply unit went out. It makes this electrical buzzing noise when I go to power it on, and I don't have the ability to fix it so I'm looking for a new one. ...
-2
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1answer
14 views

5v DC power supply design

I want to design a 220v AC to 5v DC power supply for arduino uno , I don't want to use transformer ,is it possible to do so if yes then how? Please suggest me the values of the components to be used.
-3
votes
2answers
65 views

doubts about power supply wattage on my future build

I'm building a new pc for a personal cloud server and I was thinking about buying the following: Motherboard: MSI AM1I CPU: AMD Athlon 5350 Ram: HyperX Fury Blue DDR3 1600MHz PC3-12800 4GB One sata ...