DC power requirements

Does anyone know what the DC power input specifications are on the iPhone 3G?
I'm specifically interested in knowing if the cigarette lighter adapter will work with a 24V DC electrical system, or will it fry the phone?
Thanks!

nitefrater
You're probably OK with the ATT adapter in the plane. The input voltage should be pretty well regulated so you won't likely see any 28V 'equalising' voltages at the input.
And I'm sure you're better off with and ATT product than some no-name brand (even if they were made in the same factory).
You might want to call ATT and ask about the input voltage though...
neuroanatomist
I agree that all USB ports should conform to USB standards (on the output side at least), but I was concerned about a cheap 12V adapter being asked to run with a 24V input. The output voltage might be in spec, but the adapter might end up failing because it was designed to run from 10 to 14V rather than all the way up to 24V.
coop

Similar Messages

Power requirements of HP LaserJet Pro P1606dn Printer

Hello,
I had bought this printer from USA and brought it to India.
Now I've a question that whether this printer will work with a 240v of power input ??
Cause in USA HP website it is mentioned that it will work with a 110-volt input voltage: 110 to 127 VAC (+/- 10%), 60 Hz (+/- 2 Hz), 7 A; 220-volt input voltage: 220 to 240 VAC (+/- 10%), 50 Hz (+/- 2 Hz), 4 A
It can be seen over here : http://www.shopping.hp.com/en_US/home-office/-/products/Printers/HP-LaserJet/CE749A?HP-LaserJet-Pro-...
In India's Product page also it is mentioned same.It can be seen over here : http://www8.hp.com/in/en/products/printers/product-detail.html?oid=4110411#!tab%3Dspecs
Moreover on the back of the printer power requirements are given 110-127V ~AC.The pic of it can be seen over here: http://www.storemyfile.org/getfile.php?id=5724&key=4e7b6c045
So I'm in dilemma that whether this printer is a multivoltage printer (i.e. 110v to 220v) or not?
Pls. give me clarification about this so that I can start using the Printer ASAP.
Thanks

Welcome to the HP Forums RockmihiR91,
I read your post and see that you would like to know if the printer supports 240v.
I can help you with this.
Yes, you can use the printer on the 240v, but you will need a power outlet adapter and you will need
the adapter so it will fit the receptacle and converter.
It is not internally on the printer.
Hope this helps.
Have a wonderful day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

PC Component power requirements on a KT3 Ultra-ARU: ANSWERS - At last

G'Day Folk,
First, my PC specs are as below in my sig.
Second, I know this is an old motherboard, but I would like to keep it going, and make the best of it for another year or so. Any help would be greatly appreciated, and would help two other users!
Symptoms:
Minor stability and performance issues, mostly in games, simulators, or doing high resolution photographics processing. I bought three machines with similar specs in 2002, for my brother, father, and myself. Each has had some hard to nail down, intermittent problems. My brother's PC has had a new motherboard and processor after failure of the KT3, but still has some niggling problems. He also has an XP 2600+ running at 65C !
More recently I have been able to reliably reproduce graphics problems in Empire Earth II, Serious Sam, and Halo. Specifically, I can create the problem in an Empire Earth II game by running a saved game and looking at a specific spot on the map. The screen shows tearing, and eventually goes black, returning to normal dispaly when I move to a different part of the map. In certain Halo games I could cause the problem by looking in a specific direction. I assume this is because what is being displayed is using different or more graphics processing features, although it is not apparent what they may be from the content of the view.
Being able to reliably reproduce the problem allowed me to actually analyse the cause.
Diagnosis:
After upgrading all drivers, and trying everything I could think of, as well as everything I could find on the web, especially in this forum, I have narrowed the problem down to the power supply. The clincher for me is that when I create the problem the 3.3Volt power supply line (rail) drops to as low as 2.45Volts! The +5V line also fluctuates and drops as low as 4.81Volt. This was measured using MBM5 and MBM5 Log. The usual voltages reported by MBM5 at idle are +3.3V rail = 2.99 to 3.01 Volt, +5V rail = 4.92 to 4.95 Volt.
Okay, so the +5V rail stays in spec (just), but the +3.3V rail is out of spec (+/- 5%) even at idle. It should be at least 3.135Volt.
I checked the voltages with and without the problem using an analogue volt meter, as software voltage readings are often low. The volt meter is a little slow to respond to the voltage fluctuations, but did confirm that at idle the +3.3V rail was less than 3.1Volt (out of spec), and with the problem occuring, dropped at least to 2.8Volt.
As you can see below my power supply should be able to handle all I throw at it. Topower isn't the greatest brand, but it does receive "satisfactory" in reviews on Tom's Hardware and such. I suspect it (and my brother's and father's) has always been weak, although age, or more powerful games may be highlighting the problem.
Solution:
Get a new power supply.
Not so simple these days, particularly if you want to upgrade in the future, with the move to powering components using the 12Volt rail. I want a power supply that will power my current +3.3V and +5V hungry motherboard, plus future 12V requirements, if possible. So I am doing a Power Audit of my PC, hence . . .
Questions:
I have collected power requirements for most of my components in Ampere by supply voltage. However, details are hard to lock down. I'll jump straight into specific questions.
1. The Athlon XP 2100+ draws a maximum of 89.9Watts into the Voltage Regulator Module (VRM), which converts it to the CPU supply voltage of 1.75Volt. (About 51Amps. Ouch!) If this is sourced from the +12V rail as suggested by the AMD Athlon Desktop Builders Guide, then this would be 7.49Amp, and would not effect the +3.3V and +5V rails unless the total power capacity of the supply is being exceeded. However, the CPU power source was changed from the +3.3V and +5V lines to the +12V lines around the time of the XP2100+. I don't know what MSI did on my motherboard.
Can anyone confirm which voltage rail is used to power the XP 2100+ on the KT3 Ultra ARU motherboard?
2. I have found average power usages for motherboards of around 25 Watt on many web sites, but can't confirm the power used by the KT3. Does anyone know the maximum current (Amps) for each voltage rail from the power supply for this motherboard?
3. Memory power requirements also vary a lot on the web. I'm using 10Watt each on the +3.3V rail for two sticks of 512MB DDR Corsair. Can anybody confirm this, for the KT3? (10W per stick seems to have been the standard since 128MB sticks came out!)
4. I have a GeForce 4 Ti 4600 AGP graphics card. (Okay, it's not an MSI, but the power should be similar across brands.) There are several threads that suggest that this card uses lots of +3.3V and +5V power from the AGP slot. (Wonkanoby?) However, none give actual Amps for each rail. Anybody know?
5. In case anybody knows, I can't find actual power for an Audigy 2 ZS either. Any suggestions?
As modern power supplies tend to have reduced +3.3V and +5V capacity in favour of +12V, I need to be pretty sure of the actual requirements on these rails before buying a new supply. I could just "go and by the biggest Antec I can find and don't worry about it", but I might find that it has the same problems my existing one does.
All help greatly appreciated. Selection of a new PSU could fix three PCs, mine, my brother's, and my father's.
PS: My apologies to those I told that this was a great power supply. Well, it has great specs, and the problems observed couldn't be tied to it until recently. Bummer really.
PPS: Sorry for the long post, but it's an interesting, and important topic, isn't it?
UPDATE: See post on 1st March, 2006 for response from vendors and updated table of component requirements.
Here is a copy of my signature in case I change it in the future, just for context.
MSI KT3 Ultra ARU (MS-6380E V1.0), AMI BIOS 5.7
AMD Athlon XP 2100+ Palomino 1.73GHz @13 x 133 FSB
2x Corsair CMX-512-3000C2 512MB 2-2-2-5-1T @333MHz
Leadtek GeForce4 Ti 4600 Winfast A250 Ultra MyVIVO 128MB (AGP)
Creative Sound Blaster Audigy 2 ZS
2x WD Caviar WD1200JB 120GB 7200RPM 8MB Cache,
each drive enclosed in a Scythe Silent Box Heatlane HDD Enclosure
CD&DVD Plextor PX320A & Pioneer DVR-A09P
Topower PSU 470W PFC 3.3+5V=235W +3.3V/26A, +5V/47A, +12V/28A
mCubed T-Balancer Fan Controller,
multiple quiet fans: Zalman, SilenX, Panaflo, Lian Li blower
Zalman CNPS6000-Cu & ZM-NB32J NB HS
~ 10-20C over ambient
Lian-Li PC-60 Case, WinXP ProSP2+

Try the link below, this will tell you what you need. After you added all you hardware and get the final power result add 50% to this and you will have the proper size P/S needed for your system. You can even make a list of future upgrades you want to do and that way you can see what P/S will work for you now in the present and what you would need in the future, just remember to add 50% to what ever total you add up.
For example, if the P/S calculator says you have a total draw of 279W then you would add 50% to this;
279+50%=418.5
http://www.extreme.outervision.com/index.jsp
Below I have pasted a piece that I made for determing P/S which may help you to;
Resets are a P/S issue and lock-ups are most likely due to your graphic card, with that said I will give you a table with which you can determine the proper P/S for your system and a little info just for info.
I must also add that never trust software to tell you your voltages, this includes the BIOs as the BIOs is just a piece of software. To properly check the voltage one must use a digi-VOM.
A 7200rpm HD draws around 20 watts, this 20 watts includes both the 5v & 12V rail.
HD and CD's generally are figured at 2 Amps per device, let’s brake this down some.
Spin-up: 12V x 1.3A + 5V x 650mA = 19W
Read/Write/Idle: 12V x 350mA + 5V x 700mA = 7.75W
Seek: 12V x 675mA + 5V x 725mA = 12W
Those would be typical for a 7200 rpm IDE drive. As you can see a HD requires more power at start-up then during actual operation. This is why sometimes a PC takes a few tries to start up before it will actually make a successful boot and once it boots to windows all seems well or sometimes a occasional restart, which would indicate a weak/ bad P/S.
Now to find the power used by the CPU you can check either AMD or Intel for the spec sheets on that CPU or you can follow this link that has tons of CPU ratings, CPU specs.
Some more basic mathematics… When a 12-volt circuit is drawing 10 amps, it is consuming 120 WATTS of electrical power. 12 Volts X 10 Amps = 120 WATTS.
This is the formula: P = E x I
P - Watt (power)
E – Voltage (electrical pressure)
I – Amperage (current flow)
Serial/PS-2 ports draw <35mA and if you have USB ports then they have a maximum of 500mA per port, again only if they are used- no use means no draw.
The PCI slots are allowed 5A of the +5V, 0.5A of the +12V and 7.6A of the 3.3V Max per slot, again that is if the slots are used. So if the serial ports, PS-2 and USB ports are being used you are looking at around 5A draw on the MB, which would be around 20 Watts.
So now we can add things up. (This is just an example of a basic system)
MB=20W
CPU= 60W, used as a norm.
HD=20W
CDRW=25W
DVD=20W
Graphic card=15W / newer GF4 and ATI 9000 and up= 35W
RAM 10 Watts per 128 MB
Network Card 5 Watts
Average per PCI Card 8 Watts
Total around 200W for this example.
Now this will fall on different rails and that is were things get tricky, because as you see in my above break down of the HD that a HD use's both the 12V & 5V rail. This is why it is important that the 12V rail be at least 18 Amps if you plan on having more then 1 HD and case fans. Then you have the 3.3V & 5V rails that need to be strong too, the 3.3v rail is actually not so important with newer DDR MB and today’s CPU’s as it is mainly supplying the PS-2 ports power as well as some device cards. Most newer MB use the 5v and 12v rails mainly to supply the demands of today’s devices.
Now this 200W is the bare min what is needed for things to run but in the real world you will want to add 50% to the 200W for your min P/S need, this allows room for spikes and heavy demands and a little head room to add hardware in the future.

Different power requirements between 3G and newer iPods?

Can anyone inform me as to whether there is any input power
requirement difference between the 3G and newer "dock connector" iPods? I'm wondering why Griffin Tech sells a PowerPod car power cord for the 3G and earlier dock models and a PowerJolt for the 4G and 5G dock models and Shuffle. If there is no power difference, I'd like to buy the PowerJolt, and use it for both my 3G dock model and my Shuffle, without buying 2 different car power adapters. Any light that can be
shed on this subject would be greatly appreciated.
iMac Mac OS X (10.2.x) iPod 3G and 1G shuffle

I answered my own question. I found my 3 year old owner's manual and found the page where it noted that the iPod will NOT charge the battery when connected via USB to dock cable. Concluding that I probably would not damage my iPod, I tried connecting the PowerJolt, and, as suspected, the iPod does NOT charge. The Griffin Tech solution for vehicle power for the 3G iPod REQUIRES PowerPod.
iMac Mac OS X (10.2.x) iPod 3G and 1Gb shuffle

Latest iMac: USB power requirements unclear, Microsoft USB game pad stopped working

Hello,
I am sorry that the cut and paste information is in German.
I am a long time Apple iMac user and used the Game Pad since years with no USB power issues.
Now, I have just received my late 2014 iMac with Maverick OS X.
Hardware-Übersicht:
Modellname: iMac
Modell-Identifizierung: iMac15,1
Prozessortyp: Intel Core i7
Prozessorgeschwindigkeit: 4 GHz
Anzahl der Prozessoren: 1
Gesamtanzahl der Kerne: 4
L2-Cache (pro Kern): 256 KB
L3-Cache: 8 MB
Speicher: 16 GB
Boot-ROM-Version: IM151.0207.B00
SMC-Version (System): 2.23f11
Ever since, I cannot use my Microsoft USB Game Controller any more.
Controller:
Produkt-ID: 0x028e
Hersteller-ID: 0x045e (Microsoft Corporation)
Version: 1.14
Seriennummer: 075841A
Geschwindigkeit: Bis zu 12 MBit/s
Hersteller: ©Microsoft Corporation
Standort-ID: 0x14600000 / 16
Verfügbare Stromstärke (mA): 500
Erforderliche Stromstärke (mA): Unbekannt (Gerät wurde nicht konfiguriert) <--- Device unknown, and not configured. The power requirements are unclear.
What can I do to get the USB controller accepted again? I have a 3rd party OS X driver that does work for me. I'd assume, this issue is at the HW layer, during boot-up and initial hand shake, not a SW driver's issue.
Sincerely,
Michael

I guess I should have read the forum first. I zapped the pram and everything seems back to normal. Sorry for not trying this 1st. Issue solved.

Specific Power Requirements For iPods?

+(Yes I searched, no I didn't find this information.)+
I am looking for specific power requirements for multiple iPod models; 1st-Generation iPod touch, 5th-Generation 80GB Video, 3rd & 4th-Generation iPod nano, and 2nd-Generation Shuffle, to be precise.
I am not looking for the obvious information found on the Apple site, such as charge times and USB vs. FireWire. I need more accurate data such as exact mAh and wattage input requirements for each iPod. I know I have chargers that will satisfy the needs of the nanos and 80GB but leave the 1st-Gen touch wanting and waiting for more. At the same time, I do not wish to overload the smaller iPod models like the shuffle.
I have searched Apple.com and the Apple forums as well as Google, but I cannot find this information anywhere.
Please help! I am trying to find suitable alternate power supplies such as solar, crank, and AA/AAA-battery backup sources and I want one that will work with all of my current iPods and hopefully future iPod purchases as well (to include many current iPods). Thank you!

I don't have the info you need on the iPods.
But I have an AC charger bought originally to use with another brand of mp3 player. After I got my iPod, I didn't see the point in buying another AC charger if it would work with iPod, since the company (Griffintechnology) also makes some for iPods. (Of course, I would have to switch out the USB cable to the one that works with iPod, but that's easy enough.) I couldn't find the info on their web site or on Apple's, so I emailed Griffin, and they told me it was safe to use with the iPod. So far, so good.
So I would suggest emailing the maker of the chargers you already own, to check on compatibility. I know Griffin makes them, as does DLO. As far as AA/AAA rechargers, we recently got one from www.adrenalinetechnologies.com (haven't yet used it, though) that's supposed to work with multiple iPod models, and they have multiple adapters and such for different things.

GF FX5200 Power Requirement + Details?

I am planning to get the following configuration:
AthlonXP 2500+ Barton Core
Stock Heatsink Fan
Gigabyte 7n400-L1 nForce 2 mobo
2 x 256 MB PC 2700
on-board sound
1 x WD Caviar 80GB 7200RMP 8MB cache
1 x LG 52x CD-ROM
1 x LG 52x24x52x CR-RW
1.44 MB Floppy
AOpen 56k modem
AOpen Keyboard
Logitech Optical Mouse
2 x 80 mm case fan
300 Watt PSU (from a company called Newton?)
I want the MSI nVidia GF FX5200 TD-128 (MSI-8911) but when I calculated the power requirement here:
http://www.jscustompcs.com/power_supply/
I got a calculation of 331 watt... so should I get at least a 350W PSU?
Also, what really bothers me is that the calculator states that the GF FX chipset requires 75 WATTS!! Higher than the Radeon 9700 and 9800!! Does anyone know if this is true for a FX5200??
I've been trying to find an alternative site for such information but so far I found none. No such information was available on the MSI website nor was it available on the manual that I've downloaded... I would have called tech support in the states but I live in Canada and the long distance fee is... well... not very cheap...
Also... (I know I am asking a lot) Can anyone tell me whether there is a fan on this graphic card and the software bundle that comes with it? (Some reviews said that this product has a fan but the image on the MSI site suggests none. Also, it seems that there is a conflict in the listed software package between the Taiwaness site and the North American site: One site said that Restore It and Virtual Drive was included while the other didn't)
Sorry for the long message... this is the first computer that I will build from scratch :D
All your help will be greatly appreciated! )

Hello:
I've read about in Tom Hardware Here's the link http://www4.tomshardware.com/howto/20030609/index.html
:D From Argentine

Apple TV power requirement - Voltage/Frequency

I recently bought ATV from US and moved to India. What are the power requirements of ATV? In India power is 220 volt as compared to 120 volt in US. Do I need a power adapter?

no it works with both volts out of the box
but the std. powercord would have to be changed to fit the wall power socket
but as i said it's a std which can be bought everywhere

WET200 ac power requirements

Hi All,
I have looked at all support documentation I can find and no where tells you the AC power requirements of
the dc adapter for this unit. I know it outputs 12V dc. I contacted Linksys who advised I contact Cisco. When
I contact Cisco, they advise to contact Linksys.
Is there any owners of this device who can tell me what the ac input requirements are for this adapter
TIA
Andrew

No problem! I understand. Take a look at the Data Sheet here: http://www.cisco.com/en/US/prod/collateral/wireless/ps5678/ps10047/ps10053/data_sheet_c78-501862.html and the Administration Guide here: http://www.cisco.com/en/US/docs/wireless/access_point/csbap/wet200/administration/guide/WET200_V10_UG_B_web.pdf. Let me know if this contains the information you're looking for. Thanks for posting, --Stephanie

USB Power Requirements

Does anyone know the USB power requirements of the iPod Nano (3rd gen). The USB port supplies +5V to power the Nano. How much current is required (in amps or miliamps)? Thank you.

Per the USB specs a USB port is to supply 5v at 0.5amps (500mA). I do not know what the Ipod expects, but it should not use more than this.
Be careful of unpowered USB hubs/splitters. They will only deliver 500ma total to all the ports so if 1 port needs 500ma, everbody else gets none.
JM
http://www.girr.org/macstuff/usbstuff.html

Power Requirement for AP 1500

Hi Sir,
I found the following from Mesh 1500 datasheet for its power requirement,
95?260 VAC, 47?63 Hz
Power over Ethernet: 48 VDC, +/?10 percent
However, my contractor requested me to give him in Watt as UPS is provided to it. Can anyone show me the formula to do so?
Thank you.
Delon

The basic rule of physics that "watts = volts x amps" is based on direct current (DC) circuits. AC is more efficient but when it hits the transformers, it suffers from reactance.
Reactance reduces the useful power (watts) available from the apparent power (volt-amperes). Power Factor (PF) is the ratio of these two numbers. Therefore, the actual power formula for AC circuits is "watts = volts x amps x power factor." Unfortunately, the PF is rarely stated but generally is a number of 1.0 or less, and about the only thing with a 1.0 PF is a light bulb.
Figure out total loading of product Amps (A) Watts (W).
Multiply voltage by amps (V x A).
VA x 135%= the size of the UPS you would need.
* Estimated Average Growing Space 135%
(Amps)
A. Ex: 1 PC= 2A 1 Monitor=1.5A, Total= 3.5A
3.5A x 120V= 420VA x 130%= 546VA.
B. Ex: 1 DVR = 300 Watts, 5 CCTV = 350 Watts, Total = 650 Watts
W = P.F. x VA, Direct UPS JP X series P.F = 0.7 & VP series = 0.6
650 W = 0.7 x VA , VA =650w/0.7, Total Loading = 929VA
Right size UPS: 929 VA x 135% = 1254VA.
The recommended size UPS for example a. is 600VA
The recommended size UPS for example b. is 1400VA

What is the power requirment for MSI N550GTX-Ti Cyclone II 1G GDDR5/OC

hello guys , i have a simple question and need an answer before buying that card N550 GTX Cyclone II 1G DDR5 OC
what is the power requirment for this card
i have a power supply with 450 Watt Cooler master , is it enough to run this card perfectiy?
another question , what is your opinions about this card? is it good with the new games? and powerfull games? like Max Payne3 and BattleField 3,
The witcher2 ... etc
with Core i5 3470 IvyBridge 3.2GHz ,, and 8GHz Ram 1600 MHz ,, mother board ASUS P8B75-V , Western Digital Caviar Green 1TB HDD?
thanks for this great Forum

Quote from: thephenom on 21-October-12, 14:23:28
the other question please, whats ur opinions about this card? is it ok with powerfull games?
GTX 550 and GTX 650 are budget (mid-range) GPUs.
They are good for everything (including 3D games).
However, in complex 3D games don't expect high FPS values.
If you play games most of the time, you should go for GTX 560 / GTX 660.

Power Requirements for Micro ATX Boards

hey all,
Are the power requirements for micro ATX boards the same as for ATX boards?
I see micro ATX power supply rated at 250, 230, even 180 Watts and i'm wondering if that can keep a system stable.

To my knowledge of Micro ATX PCB mobos + CPU and RAMs does not really tales up to the power requirements of an ATX PCB mobo + CPU and RAMs, so I think that 300watts will be a good bet.
Power AMPs for individual rails as per:
+3.3v = 20A approx.
+5v = 28A approx.
+12v = 16A approx.

MSI N750 TF 1GD5/OC Power requirements?

what are the power requirements for the MSI N750 TF 1GD5/OC GPU, and can a 550W power supply unit power such a card ?

In the FAQ section you will find the PSU requirements for a typical system containing any of those cards listed.
https://forum-en.msi.com/faq/article/power-requirements-for-graphics-cards
Your PSU will be fine if it has the Amps required. Watts are always misleading, especially with older PSUs where the 3 and 5.5V rails had more Amps than the 12V rail.
Today's PSUs with a single 12V rail will have the max Amp delivery on the 12V rail. You didn't specify what supply you have.

Power requirements of SCXI-1104C module

Hallo, here is my question:
In the Front Signal Connector of the SCXI-1104C module is available a pin (A1, +5V), with the description "+5VDC Source".
In the Appendix A of the User Manual, I see that the power requirements of the module (5V supply) is 15 mA max.
This means I can use only 35 mA from this power terminal? The "SCXI Bus System Specification" refer to 50 mA per Slot of +5V (Average, with SCXI-1000 Chassis).
Thank you for your comments!
Stefano

Hi,
yes, you are right. You can't source more than 15 mA from the 5 V supply.
The 50 mA value found in the "SCXI Bus System Specification" refers to the current supply
between the chassis and the module, so you have to refer to the former specification.
Bye,
Matteo Foini
AE - NI Italy

Power requirements for surge protector?

I want to get a surge protector that will support the power requirements of a Macpro and a 30-inch cinema display. I would also like it for an Airport Extreme and an external FW drive, though those are not as important for being on the same outlet, they can be on a different one if necessary. What should I look for in terms of power ratings, etc.
Thanks!

Stanwelks,
I sit near a forest of cables and had that problem. The instruction books on the Display and the Macpro have information enabling you to work out the Amperage they use. One can derive amperage from a stated wattage knowing your voltage. I know mine I don't know yours. Here in UK most residential wall sockets take up to 13 Amps. Most plug blocks say they are good for 13 Amps. So in the train it is the smallest capacity of link, socket or plug block , that matters.
I had to put some devices (the display and MacPro were the worst 'offenders', on a separate wall socket linked to my 'lair' by a long cable. There was slight leeway to the 13Amps so a printer (seemingly of low amperage) is added.
The other things you mention are small amperage but check. It is a good idea to work out the amperage of each device you have if you can.

DC power requirements

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