This content is only suitable for beginners of power supply. It helps you to understand the concept of power supply from a macro perspective to help you with your advanced learning in the future. If you are an expert, please give us suggestions so that we can make improvements.
First, let us introduce the role of the power supply:
The main task of the power supply is to convert voltage and current; it also has functions such as overvoltage protection, undervoltage protection, overload protection, and overcurrent protection.
The power supply categories currently on the market are:
The basic internal circuit of the power supply:
EMI filter circuit, high voltage filter and low voltage filter circuit, PFC circuit and transformer, as well as IC circuit for controlling and detecting power supply function.
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