What are the categories of bad switching power supplies:1. The fuse is blown and the machine crashes and is silent2. Silent and chi/click when the fuse is good3. The voltage output is ok, but the game action on this power supply is extremely difficult.The operation of the switching power supply is a..
2020-04-03Other components that have a significant impact on switching power supply life:1. Electrolytic capacitors: Electrolytic capacitors are also one of the components that are sensitive to temperature;2. MOS tube: The MOS tube is in a high-speed switching state, and the voltage stress and current stress ..
2020-04-03Switching power supply products are widely used in industrial automation control, military equipment, scientific research equipment, LED lighting, industrial control equipment, communication equipment, power equipment, instrumentation, medical equipment, semiconductor refrigeration and heating, air ..
2020-04-02The switching power supply is roughly composed of the main circuit, the control circuit, the detection circuit and the auxiliary power supply. 1. Main circuit rush current limiter: limit the rush current on the input side when the power is turned on. Input filter: Its function is to filter the clutt..
2020-04-021. When repairing the switching power supply, first use a multimeter to check whether each power component has a breakdown and short circuit, such as the power rectifier bridge stack, switch tube, high-frequency high-power rectifier tube; whether the high-power resistor that suppresses the surge cur..
2020-04-02Section 1 Principle of High Frequency Switching Power Supply CircuitThe high frequency switching power supply consists of the following parts:1. Main circuitThe whole process of input from AC grid and output of DC, including:1. Input filter: Its function is to filter the clutter existing in the powe..
2020-04-02The application of switching power supply is becoming more and more extensive. How to understand the intrinsic quality of switching power supply during the purchase process? Which of the 9 extreme tests must be passed? The following are introduced one by one:
2020-04-02Nowadays, from all aspects of life, to all walks of life, the use of switching power adapters is inseparable. While switching power supplies develop rapidly, switching power supplies are popular in human applications with the characteristics of high efficiency, small size, convenience, etc., but now..
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