👉 Follow “Mr. Power” for insights on switch-mode power supplies 👈 1 / Introduction /In the previous article [Discovering a Strange Phenomenon | Why the BOOST Chip LM5155 Lacks an EN Pin?] we shared many instances of BOOST chips lacking an EN pin.As some friends mentioned, this article continues to share that many BOOST chips, … Read more
Noise issues are four words that every circuit board designer will hear. To solve noise problems, it often takes hours of laboratory testing to identify the culprit, only to find that the noise is caused by improper layout of the switching power supply. Addressing such issues may require designing a new layout, leading to product … Read more
Power supply circuits are an important component of electronic products. The quality of power supply circuit design directly affects product performance. The main types of power supply circuits in our electronic products are linear power supplies and high-frequency switching power supplies. Theoretically, a linear power supply provides as much current as the user needs at … Read more
Recently, I came across a teardown article by a netizen about a gas alarm, which features a simple circuit structure that differs from the power integrated chip solutions we usually see. The following image shows the teardown of the gas alarm.This solution steps down AC220V through a transformer to a secondary voltage of 10V, and … Read more
Liquid Crystal Display (LCD) dominates the current electronic display field due to its advantages of being lightweight, energy-efficient, and providing clear displays, widely used in various electronic devices. Power electronics technology plays an indispensable role in enhancing the performance and functionality of LCDs as a key branch of modern electronic technology. By efficiently converting, controlling, … Read more
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
Source WeChat Official Account: Jianwei Home (WeChat ID: jianweizhijia) Table of Contents Part One: Types and Usage Scenarios 1. Combined Power Supply 2. Embedded Power Supply 3. Wall-Mounted Power Supply Part Two: Configuration Principles and Algorithms 1. Configuration Principles for New Installations 2. Configuration Principles for Shared Modifications 3. Capacity Algorithms Part Three: Daily Management … Read more
â–² For more exciting content, click the blue text above to follow us To become a qualified hardware engineer, mastering power supply knowledge is crucial— Every operational system must have a power supply, and the reliability and stability of the power supply affect the entire system’s performance. So, how can we generate a “clean” power … Read more
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