Atx Power Supply Circuit Diagram

By | May 30, 2023

ATX Power Supply Circuit Diagram

The ATX power supply is a type of power supply unit (PSU) that is used in desktop computers. It is a standardized design that has been in use for many years, and it is compatible with a wide range of motherboards and other components. The ATX power supply has a number of features that make it a good choice for desktop computers. These features include: *

High power output:

The ATX power supply can provide up to 750 watts of power, which is more than enough for most desktop computers. *

Multiple output connectors:

The ATX power supply has a variety of output connectors, including 24-pin ATX, 8-pin EPS, 6-pin PCIe, and SATA connectors. This allows it to power a wide range of components. *

Modular design:

The ATX power supply can be configured with the necessary cables, making it easier to build a clean and organized system. The ATX power supply is a reliable and efficient way to power a desktop computer. It is a standard design that is compatible with a wide range of components, and it offers a number of features that make it a good choice for most users. ### ATX Power Supply Circuit Diagram The following diagram shows the basic circuit of an ATX power supply: The ATX power supply is a switched-mode power supply (SMPS). This means that it uses a high-frequency transformer to convert the input voltage to a lower voltage that is suitable for the output. The input voltage is typically 110 or 220 volts AC, and the output voltage is typically 3.3, 5, and 12 volts DC. The ATX power supply is controlled by a microcontroller. The microcontroller receives signals from the power switch and the motherboard, and it uses these signals to control the operation of the power supply. The microcontroller also monitors the output voltages and currents, and it will shut down the power supply if any of the voltages or currents are outside of the specified limits. The ATX power supply is a complex device, but it is a vital component of any desktop computer. It provides the power that the computer needs to operate, and it does so in a safe and efficient manner. ### How to Read an ATX Power Supply Circuit Diagram The ATX power supply circuit diagram is a valuable tool for understanding how the power supply works. By reading the diagram, you can learn about the different components of the power supply and how they work together to provide power to the computer. The following is a guide to reading an ATX power supply circuit diagram: 1.

Identify the major components.

The major components of the ATX power supply are the transformer, the rectifier, the filter capacitors, the regulator circuits, and the output connectors. 2.

Trace the flow of power.

The flow of power through the ATX power supply can be traced from the input voltage to the output voltages. The input voltage is typically 110 or 220 volts AC, and the output voltages are typically 3.3, 5, and 12 volts DC. 3.

Understand the function of each component.

The function of each component in the ATX power supply can be understood by studying its role in the flow of power. The transformer converts the input voltage to a lower voltage that is suitable for the rectifier. The rectifier converts the AC voltage to DC voltage. The filter capacitors smooth out the DC voltage. The regulator circuits regulate the output voltages to the desired levels. The output connectors provide the output voltages to the computer. By reading and understanding the ATX power supply circuit diagram, you can gain a valuable understanding of how the power supply works. This knowledge can be helpful for troubleshooting problems with the power supply or for designing your own power supply. ### ATX Power Supply Specifications The following table lists the specifications of a typical ATX power supply: | Specification | Value | |---|---| | Input voltage | 110-220 V AC | | Output voltage | 3.3, 5, and 12 V DC | | Output current | Up to 750 watts | | Efficiency | Up to 80% | | Noise level | 30 dB or less | | Dimensions | 150 x 140 x 85 mm | | Weight | Up to 2 kg | The ATX power supply is a versatile and powerful power supply that


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