Power supply calculator download free

Now and in the future Electronics is an important department which control the physical world. 8- Wire Gauge Calculator: UltraCAD?s freeware calculator will do gauge conversions and PCB trace resistance calculations for you. You need to be aware of a few issues if you are building your own computer system or checking out pre-configured systems. Newegg's Power Supply Calculator is a online form that can be used to calculate a rough minimum power supply unit wattage. The user has to enter data in the requested fields of the power supply calculator including information about the processor, video card, motherboard, computer memory, hard drives and optical drives.
It is always a good idea to pick a power supply unit that offers additional capacities to be on the safe side. There are obviously other factors that play a role like picking an energy efficient power supply unit (check out the 80 plus power supply units article for pointers). Newegg's Power Supply Calculator offers a quick calculation of the minimum wattage required for a specific computer system configuration. Martin Brinkmann is a journalist from Germany who founded Ghacks Technology News Back in 2005. I've done a number of upgrades to my Gateway 5420 including replacing the original cpu with a q6600, replacing the original HDD with a 3-drive RAID array and installing a NVIDIA GeForce 8600 GT display adapter.
I'll Show You All Switch Mode Power Supplies Repairing Secrets And How You Can Start Power Supply Repairing Work From The Comfort Of Your Home Using My Time-Tested Techniques That Works Throughout The Whole World!
That's why you need to know how to successfully repair any type of SMPS. What matters is that you must know how to repair, not just to understand the SMPS theories! If you want to become a good SMPS repairer, you need this E-book that can help you get there. For The First Time Ever, I Am Revealing All My Switch Mode Power Supplies Repair Strategies To The Public!
I developed this course to help shortcut your learning curve and save you the years of frustration and confusion that I went through while figuring out how to successfully repair more power supplies.
You will know how to read the Schematic Diagram and the functions of each section in SMPS. You will understand the critical waveforms and voltages in many parts of the SMPS section thus helping you to easily diagnose the faults.
Complete full colour photos (about 246 photos + diagrams) to go along with the instructions. You will learn from my 11 important true case histories in SMPS repair that can practically help you in any SMPS repair. I've developed a bit of a reputation for explaining complex things in a way just about anybody can understand. The course can't do all the work for you, but if you're willing to follow my guidance and do what I suggest, you'll see your SMPS repairing skills start to grow very rapidly, and your income will grow right along with it. Do you know that we could have wasted lots of money simply by replacing the power IC without knowing it whether it has problem or not? Now with the help of this simple UC3842 IC Tester, you can test whether the IC is good or bad. Is a MUST HAVE report because this tester can be used to find out intermittent zener diode problem and also to locate the voltage of a zener diode if there is no marking on the zener diode.
Most other guide either charges hundreds of dollars for one-on-one email consultations or they simply don't include any support at all.
If you have any questions, concerns or just plain need some words of motivation, you can contact me via email and will receive a personal response within about 24 hours. I only respond to training questions from my paying members, so this truly is a valuable bonus as you'll never be left confused or wondering. Most people happily spend $5-$10 a day on expensive coffee drinks, and they have nothing to show for it at the end of the day. Click2sell.eu sells this product - they are a trusted online retailer specializing in digitally delivered products. The PSU's basic functions are to convert AC line voltage into the various DC voltages used by the computer, and to provide wiring harnesses with proper connectors to support the various loads needing power. So-called "house current" computers use for power can kill you if you don't treat it with the respect it deserves.
In the testing procedures which follow much later, I eliminate any need for having power applied with the case covers open.
Often, the simplest and safest way to treat the PSU is like it's a "black box." AC power comes in the back, and DC power to the loads goes out the front. Advanced training in electronics or computer science is not needed to be able to select and install a PSU. Wiring Harness -- for a power supply unit, wiring harnesses provide the connectors needed to connect the PSU to the components in the system. There are many safety certification marks that apply to PSUs, most of which cover use of a unit in a particular country or region. There are many more, and links to more complete listings are given in the references section at the end of this article. There are two major certifications for computer components which rate their energy efficiency: Energy Star and 80 Plus. Power Supplies are not usually Energy Star-rated apart from systems, so trying to find an Energy Star-rated PSU might needlessly narrow your choices. It is wise to remember that EPRI is an industry group, and one of its major aims for 80 Plus is to provide a marketing tool for vendors. For more information about 80 plus, visit the EPRI website and the Ecova Plug Load Solutions website given in the references. Note that neither Energy Star nor 80 Plus say anything truly specific about how well-regulated a PSU is! In the "bad old days" before the IBM PC and its clones, computer power supplies were big, heavy, bulky, noisy, and hot, and no two makers made them quite the same way. NOTE: Even now there are proprietary holdouts, some of which even look like "standard" PSUs, but have different wiring at their connectors, or slightly different physical form factors. ATX grew out of an Intel specification first published in 1995 to replace earlier XT, AT, and Baby AT machines. Without getting too technical, ATX's major differences from its predecessors were more pins (to carry more current), better keying on power connectors (to make them "goof proof"), and "soft" start and stop which allowed the computer's operating system to shut off the power after a system is safely shut down, or "wake it up" by a remote signal sent over a network.
ATX was at its height during the time when Intel's Pentium III, and AMD's Athlon line of processors were in popular use. Around the turn of the century, the ATX specification was extended to include four more pins on the main power connector, and a four-pin (2 X 2) 12V connector to support CPU power for Intel's then-new Pentium IV processor. Later ATX12V designs also provided one or more 6-pin PCIe power plugs to accommodate higher-end video adapters. Many manufacturers began to cater to a growing "modder" market which wanted to be able to eliminate those wiring harnesses not actually used in a system build. While not truly a "standard" form factor, most of these modular units feature a plug bay on the interior side of the unit such that the various wiring harnesses may be connected as needed. These types of supplies are usually a bit more expensive than non-modular units, but can make for a much neater and better managed build.
If neatness is a factor, and you're big into the fit and finish of your build, or if you're the type who is constantly in and out of the case, this type of PSU might be of interest to you. There are a wide array of other form factors that might be encountered when shopping for a PSU.
If you already have one of these machines and need to replace the power supply, your best bet will be to try to acquire one from the manufacturer (often too expensive to be cost-effective) , or look into after-market suppliers for your specific type. Very often, sad to say, it's better and more cost-effective to replace a non-standard computer system with one which is better supported by off-the-shelf hardware. Generally, there are three different reasons to shop for a PSU: either a new system is being built, an old one is being repaired, or a system is being upgraded. In the case of of the system being repaired, it's always good to be able to tell for certain your present PSU is really the problem. In the case of a new system being built, or an old one being upgraded with new equipment, selection becomes a matter of finding the right form factor, connector harnesses, and enough power to supply all the loads in your system without being too powerful. To avoid buying too much or too little power, the first thing to do is estimate a power budget for your system. Of the tools I've seen to do this, the eXtreme Power Supply Calculator (I use the free "Lite" version) is one of the best. A calculator like this one does all the technical math for you, and will give you at least a reasonably good figure for your system's power requirements without too much fuss. There are four basic considerations here: physical size, cooling, line voltage, and outputs. Physical size is a simple requirement -- can the PSU you're looking at fit properly into the space provided, and mate up with the mounting hardware correctly? As rated output of a PSU goes up, there is a tendency by some manufacturers to extend the depth of the unit to get more volume for components.
Line voltage on most PSUs is selectable via a small recessed slide switch on the back of the unit.

Technical reviews by recognized writers can be a big help, as can user reviews on vendors' websites.
Generally, it is simpler to install a PSU in a new computer case than it is to replace an existing unit. For both removal and replacement, it is important to clean up and square away the work area when work stops. Now that we've covered the basics, let's get into all this in more depth, starting with Safety. Whether you are doing removal or replacement of a PSU, it is imperative for your safety and to prevent equipment damage that ALL WORK be done with the AC CORD DISCONNECTED and the unit at Zero Energy State.
To "safe" the unit after unplugging it, press the front-mounted power button for several seconds to discharge any stored voltages before opening the case. Planning the work and preparing the work area with the correct tools, materials, and equipment can make your workflow much more efficient, safer, and less stressful. The work area should be well-lit, reasonably clean, and provide a table or workbench on which work will be done. The tool list for a power supply replacement job can be as short as a single screwdriver if no cable management is anticipated. Cutting Pliers -- a pair of 4" cutting pliers comes in handy for cutting cable ties that may be anchoring wiring harnesses to a chassis.
Needle-nosed Pliers -- A pair of these can be handy for fetching screws or washers dropped in tight places. Flashlight -- no matter how well-lit the area might be, there will always be dark corners in any computer case.
Materials should include at minimum the hardware needed to mount the PSU, some small and medium sized cable ties for dressing wiring, and a roll of vinyl electrical tape.
Optional cable management aids like spiral wrap, velcro strips, heat-shrinkable tubing and braided wire sleeving kits can also enhance an installation, but are not absolutely necessary (and might require other tools such as scissors and a heat gun). Lay out your tools and materials in such a way that they are ready to hand, but not in the way. Finally, the new PSU should be prepared for installation by setting its voltage selector switch, checking its wiring harnesses for any broken wires, cut insulation, or other damage now, before installation proceeds.
Disconnect all PSU connections to the motherboard and any peripheral devices like drives, video adapters, fan controllers, etc.
Extract the PSU from the chassis, taking care to clear all wiring harnesses so they do not foul on the motherboard or other internal features. NOTE: cable ties should not bite into wiring bundles so hard as to smash insulation or kink wiring.
Clean Up any loose objects, cuttings, trash, debris, dust, etc., to prepare the unit for service. Finish Up - Close the side cover on the unit and check for any obstructions (poorly routed wiring) before latching or securing fasteners in place. Be aware that, in the absence of a rear-mounted power switch, the unit may energize immediately when the AC cord is plugged in to power. If the unit starts normally and runs, open a cold one, kick back with some pretzels, and celebrate! The basic problems PSUs experience are overheating (caused by dust or fan failure), improper outputs, short circuits, open circuits, intermittent operation, and total failure. Repairing a PSU is usually neither safe nor cost-effective, and is not recommended without proper knowledge, tools, facilities, and test equipment. All that said, the simplest way to test a power supply unit is to either install it in a working system, or use a Power Supply Tester. If testing a PSU "on the bench" (outside the system case, or with a case cover removed), wear eye protection. More sophisticated testing is best performed by a qualified electronics technician, electrician, or computer systems technician. The long and short of it: if the PSU is shown by a reliable PSU tester to have failed, replace it.
Power Supply Units for many different purposes are available at prices more reasonable than at any previous time.
We have explored the basics here in this article of how to select, remove, replace and test a Power Supply Unit in a modern computer. DISCLAIMER: Inclusion of a product or service in these references does not constitute an endorsement, either of product, service, or vendor by the author of this article, and are intended to serve as examples of same in current use. Basically electronic devices convert the physical world to electronic signals where some process is applied to these electronic signals and then they are converted back to the physical world where we can see the outcome of the process. It includes a resistor colour code calculator, resistance, capacitance and power calculations and more. This software is especially geared towards calculating values for voltage devider circuits. It contains all the same info, but is a standalone program that requires no Internet connection to run.
Two of the most important issues are hardware compatibility and the selection of a power supply unit that can power the computer's hardware.
Many computer builders select a power supply unit that is over-dimensioned for the computer system that they are building. The calculator will then crunch some numbers and suggest a minimum wattage for the power supply unit. You can find alternatives in the comments, or use one of the following two power supply calculators instead. He is passionate about all things tech and knows the Internet and computers like the back of his hand. The eXtreme Power Supply Calculator v2.5 is the only online calculator which does not try to sell you a 100-150 Watts larger power supply than you actually need.
It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers. You're here because you want to learn how to repair switch mode power supplies and you're not sure how to do it. In fact, most people who try to start to repair SMPS, end up quitting because they don't get fast results. This is because they're focusing on the wrong information which is on the study of too much SMPS theories. Here screenshot preview of the ebook "Troubleshooting & Repairing Switch Mode Power Supplies".
You see, there's no way I can ethically promise you results, because I have no idea if you'll follow these steps to learn how to repair power supplies.
In other words, the Switch Mode Power Supplies Repair Guide tells you what you need to do, and shows you exactly how, without leaving you to imagine what to do. Many repair technicians will not use back the power IC whenever they found problem like a shorted power FET in the power primary side. With the aid of photos and full details explanation, it will not take you long to build this powerful zener diode tester. I've made this course inexpensive enough so that anyone who is serious about repairing SMPS can afford it. I'm confident that the wealth of information that you will receive and the number of times you'll refer back to this E-book year after year will prove its value.
Take up to eight weeks to examine and use the information, tips and techniques in "Troubleshooting and Repairing Switch Mode Power Supplies E-book".
All you need to do is click on the link below, which will take you to the order page, and then you just enter your information in.
Don't forget with the purchase of my eBook you get my email support to help you with any question you may have on SMPS. When working on a PSU, or anywhere inside a computer chassis, PULL THE PLUG and "SAFE" THE SYSTEM.
This is a measure of the amount of unwanted variation in the DC outputs of a PSU, so it refers to electrical noise, not sound. The biggest reason for these standards is to assure safe grounding measures are taken so that a unit fails safely without undue risk of fire or electrical shock. Much has been made about these in the popular press, but they are not the only considerations to be used when selecting a PSU.
It asserts the efficiency of a certified power supply is 80% or greater across its range of operation.
Bronze, Silver, Gold, Platinum, Titanium, Unobtanium, whatever -- all these can mean somewhat better efficiencies, but all things for a price. Units meeting these standards are generally quite reliable, but look at all the information available on a unit prior to selecting it for use, and do your own research! Nowadays lighter weight, modularity, and standardized form factors (physical sizes and plug connections) make it simpler to source a good PSU from a wide variety of vendors for a reasonable price.
It is wise to check your system documentation to see if a special PSU is required, otherwise system damage or installation problems could occur. The best reference for this spec as it applies to PSUs is in the Intel document Power Supply Design Guide for Desktop Platform Form Factors, release 1.1, also linked in the references.

As time has moved on, this specification has seen many revisions, however, newer units are backward-compatible with older ones within this same family. If you have one or more of these video adapters in your system, make sure the PSU you select has enough of these plugs to provide the needed power. The idea was to get rid of clutter and streamline the airflow in a system's interior to improve cooling. Some even feature multiple lengths of certain popular type harnesses to adapt to larger and smaller cases. I have seen some articles suggesting the difference in airflow is significant, and others which say it makes no effective difference. If not, a few velcro strips and cable ties will bind up the unused ends of a normal non-modular PSU quite nicely. There are some (mainly older or "all-in-one") systems which use PSUs that may look compatible but are wired differently or provide different outputs. Consult any documentation you may have or can obtain if you suspect this note applies your system. If the answer to five or more of these questions is "Yes", consider replacing it anyway because if it hasn't failed it will, and soon. A power budget is estimated by adding the power consumptions for all the devices in a system.
Its extensive database and detailed hardware selections make getting a power estimate for your system a snap.
This is to provide quieter operation at normal power levels, and to allow for some reserve cooling capacity at higher power. Before installation, be certain this switch is set to the proper line voltage value for your region.
The plugs for these need to be the right style and size for your motherboard and for any devices requiring power. If you've never done any of this before, it can seem complicated, so let's run through some basic steps. Shut down the system if it's running, and unplug the power cord from the back of the unit and the wall outlet, and set it aside. After removing the cover, put it aside, out of the work area where it will not be in the way while you are working. If working on a kitchen table, consider using an old tablecloth or an old bed sheet to protect its surface while you work.
Permanent markers or wrap-around wire labels can help with identifying where connectors mate up. Some cases provide power supply latches, or frames for mounting the PSU which swivel or slide out of the case for inspection or maintenance. If these are used, be sure to look carefully before disassembling to see how to ensure proper grounding.
It may be necessary to disconnect other cables, remove drive bay cages or other modular case features to clear a path.
Use cable ties and other cable management aids as needed to give a neat appearance and clean air flow in the chassis. It is always recommended to check these out even if the computer has been assembled by a manufacturer. This is usually fueled by users on the Internet who give advice to pick a high-end power supply unit to be on the safe side.
It is therefor not advised to select a 400 Watt power supply unit of the calculator's suggested wattage turned out to be 396 Watt.
Or you know the basics but are struggling after hearing all the claims as to how easy it was. The title of the ebooks are LCD Monitor Repair, Testing Electronic Components and Find Burnt Resistor Value. They read all these stories about electronic repairers being able to repair SMPS and making money, and thus they're inspired to give it a shot themselves.
I've made it as easy as humanly possible for you by giving you a proven blueprint for success. For the first 6 months of your training I will literally hold your hand and personally make sure that you are doing everything properly and efficiently.
That's less than the cost of a few nice dinners in exchange for a lifetime of knowing how to successfully repair SMPS. You'll be surprised how little work and effort is actually involved for you to start repairing SMPS and have lots of fun in the process! That’s up to 60 day to put these valuable strategies to work on your SMPS in your own home. If you want to increase your SMPS repair rate, you've got to do something different than what you've been doing all this time. Different vendors determine MTBF in different ways, so care should be used in making comparisons based on this statistic.
It's intent is to help promote the production and use of more energy-efficient electrical appliances. For most home systems, plain old 80 Plus or 80 Plus Bronze is more than adequate without needless expense. Many units of this type have a 20+4 design for their main connector that makes it also backward-compatible with older ATX 20-pin types. If you have suspicions about your present PSU, do the troubleshooting mentioned later before buying a replacement unit. The "Pro" version ($2.00 -- cheap) lists many more features, but these are only needed if you're building a piece of high-end hardware like a big workstation or server. Look closely at the documentation for your system, or on the nameplate of any existing PSU for clues. There are also fan-less PSUs for special applications where silent operation is a real priority.
This gets more important with older hardware such as IDE drives, which use a different power connector than more modern SATA drives do. Read, research, and inform yourself on how a given vendor does business, how they rate their equipment, and how well others rate it. This is usually done with a short length of green wire fastened to the metal of the case and PSU by screws and toothed (tessellated) washers. If it becomes necessary to disconnect a SATA cable to clear the PSU into the chassis, check for and unlatch any latch present before attempting to disconnect. Re-familiarize yourself with the work area, ensure the system is still de-energized and safe for work, and inspect the chassis and all existing interconnects before performing the replacement. It provides all the functions found in the calculators section of this site and more in a stand-alone user friendly program. It is less likely that problems arise there but there have been cases where insufficient hardware has been build into a computer system causing all kinds of problems for the user. They'd rather keep you in the dark by telling you to "replace this or that" but do not actually tell you the right way on how to locate the bad parts. That won't be the case here, because I'm including the best "how to" guide you've ever seen.
Click below to order, so you can get started on repairing Switch Mode Power Supplies right away!
The repair techniques in this course are the reasons why I can repair so many types of SMPS, and they can help you do the same. More about Energy Star ratings can be found at the link in the references for this article. These washers help the screws bite into the metal surfaces and make a better electrical connection.
Note also any system board interconnections that might become dislodged or disconnected during removal of the unit. Disconnect the plug by pulling gently but firmly straight back once any latch has been released. You'll be able to repair many SMPS after reading and following the step by step guide in this E-book. This course will literally shave years off your learning curve, and help you in repairing many SMPS that can make you lots of money. Once you have used these strategies on SMPS's, I’m confident that you’ll NEVER want to send it back!
Well, that's basically it, but there's a bit more to the process if you're doing it correctly.
That means you won't have to wait in order to begin using these strategies in your repair business. All of the tips, techniques and secrets are revealed in a step-by-step, easy to understand format.

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