Frustration with Circuit Board Troubles: A Bold Dissection!

Frustration with Circuit Board Troubles: A Bold Dissection!

The image below marks the position of the DDR2 chips that were cut open. We can see that there are dense traces inside the new foam. The BGA solder balls are marked in red. This is a 6-layer board, with the positions of the TOP, BOTTOM, and the four internal electrical layers already indicated. Since … Read more

Schematic Explanation: Analysis of Typical PMIC Boost Circuit for Domain Controller

Schematic Explanation: Analysis of Typical PMIC Boost Circuit for Domain Controller

This circuit diagram describes a boost converter circuit used in back-end power systems, aimed at raising the input low voltage to the required output voltage. Below is a detailed explanation of each part and its function: 1. VBST_BE_IN (Input Voltage) Function : This is the input voltage of the boost converter. It typically comes from … Read more

How to Use a Multimeter to Test Common Electronic Components

How to Use a Multimeter to Test Common Electronic Components

Whenever a circuit board fails to operate normally, and the wiring checks out, it is very likely that an electronic component has failed. To repair it, you must identify the faulty component and replace it. However, locating the faulty component requires technical skills and certain techniques. Today, I will teach you how to use a … Read more

Key Points for PCB Layout of Switching Power Supplies

Key Points for PCB Layout of Switching Power Supplies

In order to adapt to the rapid update of electronic products, product design engineers tend to choose AC/DC adapters that are easy to procure in the market and directly install multiple DC power supplies on the system’s circuit board. Since the electromagnetic interference generated by switching power supplies can affect the normal operation of electronic … Read more

Wang Ningning Discusses: How Packaging Substrate Integration Technology Reshapes the Power Industry

Wang Ningning Discusses: How Packaging Substrate Integration Technology Reshapes the Power Industry

“ The power system is undergoing transformation, with magnetic integration technology becoming a key breakthrough point? Professor Wang Ningning shared at the academic annual meeting how the new packaging substrate integration technology will lead the innovation of power technology. Author | Chen Zexiang Cover | Electronic Transformer and Inductor Network At the 11th Joint Academic … Read more

Packaging Types of Power Modules and Their Advantages

Packaging Types of Power Modules and Their Advantages

Click the blue text above to follow us! [Image] When designing the power stage of a system, various devices such as Low Dropout Regulators (LDO) or Switch Mode Power Supplies (SMPS) can be chosen to regulate the voltage of the power supply. When the system needs to maintain efficiency without exceeding a specific ambient temperature, … Read more