On the processor of modern energy required to operate it. For example on the processor AMD FX 8320, which I use everyday, have a TDP (Thermal Design Power) of 125 Watts. If using a VRM to power the processor is, of course, will not last long a MOSFET should be supplying a current of 125 Amperes (assuming the voltage that is requested processor is fitting 1 volt). Maybe it only took a few seconds for the MOSFET that are hot, flaming red and burning. Therefore, in one motherboard usually there are some VRM with a variety of configurations. For example on the motherboard that I use, MSI 970A-G43, there is a configuration VRM 4+1 where 4 VRM is responsible for providing electric power in the processor, and 1 VRM duty to provide power to other components such as opto. This is done to keep the load work VRM remain low while keeping the durability and stability of the output of the VRM.
If in the analogy, maybe like moving water from one location to another. Will be lighter and easier if using a bucket that is not too big but brought some people than if you have to carry by one person with a bucket that is very big.
TDP At VRM
The TDP can be considered such as the maximum power usage by a processor, the same as the power house for example 1300 watt, doesn’t mean every time we use a 1300 watt, but the maximum power that can be given before the fuse snap is 1300 watts. The processor uses electric power to change-change according to the frequency and load of work that is being done. At idle, or not do anything, the processor can reduce the working frequency and voltage required so that the use of resources needed to be small, and so there is work load is high, the processor will raise back to the working voltage and working frequency so that the power required increases. The change of voltage change is done by the VRM at the request of the processor, so that the VRM can always provide the right voltage according to the needs.
On some of the VRM that is not too good, so the processor asking for more power, VRM are of poor quality often can not meet the demand processor, cause a voltage drop power to the processor (commonly called vDrop) and can cause the computer is not stable or even hang. If in analogy, perhaps as electrical car batteries already not too good. If you are running the night using a lamp large, so we turn on the air CONDITIONING, Audio System and a variety of equipment, which requires large power, large chandelier in the car be dimmed because of the voltage that should be above 12V drop to below 11 volts due to the battery and dynamo alternator is not strong provides an electric current that takes such equipment.
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