What is the basic principle of ATX power supply

ATX power supplies are high-efficiency, high-security power products that are commonly used in computers, servers, home appliances and other electronic devices. ATX Power Supply

I. The basic principle of ATX power supplies

ATX power supply is a stable DC power supply that can be directly converted to obtain the required voltage and current from the AC grid. The power supply contains some major components inside, including transformers, rectifiers, filters, voltage regulators, protection circuits, etc. Among them, the transformer is one of the most important components, which changes the voltage from AC to DC suitable for equipment use. In addition to this, the filter also ensures that the output current is clean and stable, while the voltage regulator is designed to keep the output voltage stable. Therefore, ATX power supply can keep the output voltage and current stable under a variety of different load conditions, and is an important selection for most electronic equipment.TFX SFX Power Supply
What is the basic principle of ATX power supply

Second, the specifications of ATX power supply

ATX power supply mainly has the following specifications.

1. Power: Power is the most direct performance of the ATX power supply, and you need to choose the right power according to the equipment you use. Some high-power appliances, such as high-performance servers and game consoles, need to choose a high-power ATX power supply. While some household appliances, such as televisions and stereos, can choose a low-power ATX power supply.

2. Voltage and current: Voltage and current are two other important factors in choosing an ATX power supply. Choosing the right voltage and current according to the needs of the equipment is an important step to ensure that the equipment works properly.Gaming Power Supply

3. Size: The size of the ATX power supply is also a factor to consider. Typically, the dimensions of an average ATX power supply are 150mm x 85mm x 140mm.

4. Efficiency: Efficiency is the main indicator of the quality of an ATX power supply. The higher the efficiency means the smaller the ratio of output power to input power, which can better ensure the safe and stable operation of the appliance.

5. Power supply interface: ATX power supplies also have many different power supply interfaces, such as 24 and 20 power supply interfaces, P4 power supply interface, SATA power supply interface, IDE power supply interface, etc.. Choosing the right power supply interface is an important step to ensure that the appliance works reliably.

Third, the working mode of ATX power supply

ATX power supply usually has two working modes.

1. Conventional mode: In conventional mode, the fan of the power supply is always running. The power supply will turn on as soon as it starts, and will turn off only after a delay once the device is unloaded.

2. Fade mode: In fade mode, the fan of the power supply is controlled according to the amount of load on the power supply.

The benefit of fade mode is reduced power consumption and noise, but if the power supply gets too hot or the load increases dramatically in a short period of time, the power supply's fan will accelerate rapidly and make a noisy noise. Therefore, different usage requirements may require different operating modes.

Fourth, the ATX power supply safety protection

ATX power supply is also equipped with a variety of internal safety protection devices to protect the user and the safety of the equipment: 1.

Overload protection: When the load exceeds the range that the power supply can withstand, the power supply will automatically shut down to protect the equipment.

2. Over-current protection: When the current required by the equipment is higher than the current output of the power supply, the power supply will automatically shut down to avoid equipment damage.

3. Over-voltage protection: When the output voltage exceeds the preset value, the power supply will automatically shut down to protect the equipment.

4. Undervoltage protection: When the output voltage is lower than the preset value, the power supply will automatically shut down to avoid damage to the equipment.

5. Overheat protection: When the power supply temperature exceeds the normal operating range, the power supply will automatically shut down to protect the equipment.

The above five safety protection devices can effectively protect the stable work of equipment and user safety.

V. ATX power supply considerations

In the selection of ATX power supply needs to pay attention to the following items.

1. Power: choose the right power level for the device, too high or too low will damage the equipment.

2. Brand: choose a well-known brand of power supply to improve the stability and safety of the equipment.

3. Price: Price is not the most important factor, too low a price may mean that the quality is not high.

4. Rated current: Select the appropriate rated current according to the needs of the equipment.