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Exploring Power Supplies: From Reverse Polarity to Output Stability

Reverse Polarity Protection in Power Supplies When I first encountered this concept, I spent a long time trying to grasp it and found it quite challenging. Let me break it down thoroughly here. There are essentially two key points: 1. Once a MOSFET is turned on, it allows current flow in both forward and reverse directions; 2. The body diode within the MOSFET can carry current. This differs from pure IGBT single transistors. First, it's essential to know that NMOS and PMOS are different. Reverse polarity pr....
2025-09-28 11:45:20 1577
Exploring Power Supplies: From Reverse Polarity to Output Stability

ROHM Unveils HSDIP20 SiC Modules to Boost EV On-Board Charger Power Density and Efficiency

As electric vehicle (EV) performance continues to improve and driving ranges extend, onboard chargers (OBCs) face unprecedented challenges as critical components. Higher battery voltages demand faster charging rates, while designs must simultaneously achieve smaller footprints, lighter weights, and higher thermal efficiency. Addressing these challenges requires rethinking power conversion implementation at the component level. ROHM Semiconductor's newly developed HSDIP20-packaged 4-in-1 and 6-in-1 SiC plast....
2025-09-23 10:41:26 1220
ROHM Unveils HSDIP20 SiC Modules to Boost EV On-Board Charger Power Density and Efficiency

Comprehensive Guide to Harmonic Drives: Working Principle, Features, Installation, and Selection Tips

Definition of Harmonic DriveA harmonic drive is a high-precision, high-efficiency speed reduction device widely used in mechanical equipment, industrial automation, robotics, and other fields. Its core operating principle is based on harmonic transmission, which utilizes the elastic deformation and interlocking between a flexible wheel and an inner gear ring to achieve power transmission and speed reduction. The harmonic reducer primarily consists of three fundamental components: the drive shaft, the harmon....
2025-09-18 10:39:23 659
Comprehensive Guide to Harmonic Drives: Working Principle, Features, Installation, and Selection Tips

Digital Power Modules: The Ideal Choice for FPGA Power Supply Design

In modern electronic systems, field-programmable gate arrays (FPGAs) are widely adopted across diverse product domains due to their numerous advantages, including short development cycles, cost-effectiveness, and flexible field reconfiguration and upgrades. From communication equipment to industrial control, automotive electronics to aerospace, FPGAs are ubiquitous. To fully leverage the high performance of FPGAs, their power supply design is critical, and digital power modules are increasingly becoming the....
2025-09-15 11:01:47 1667
Digital Power Modules: The Ideal Choice for FPGA Power Supply Design

What is a DC-DC Converter?

A DC-DC converter (also known as a direct-current-to-direct-current converter) is a power management device that achieves DC voltage conversion through semiconductor switching technology. It is primarily used in power electronics, communication equipment, automotive electronics, and industrial control applications. Its core functions include step-up, step-down, polarity conversion, and voltage stabilization, adapting to various power supply systems such as batteries and mains electricity. The device consist....
2025-09-10 14:33:19 630
What is a DC-DC Converter?

Why Does the 5V MCU Market Remain Strong?

Despite the growing prevalence of 3.3V in modern microcontrollers and the trend toward lower supply voltages in general system design, the 5V voltage level retains significant importance and remains a popular design approach. This is primarily because the higher 5V voltage offers superior noise immunity and signal transmission stability. Additionally, the physical characteristics of signal-to-noise ratio and the widespread use of 5V sensors ensure its continued relevance in high-interference environments li....
2025-09-04 14:21:38 1539
Why Does the 5V MCU Market Remain Strong?

What are the widespread applications of wireless data transmission modules across various industries?

The Internet of Things (IoT) refers to the concept of connecting physical devices, vehicles, household appliances, and other embedded items with sensors, software, and network connectivity via the internet, enabling these objects to collect and exchange data. Wireless modules are key components in realizing this concept. They are hardware devices that can connect to any computing device and interact with the external environment through them. Common wireless communication modules include Wi-Fi modules, Blue....
2025-09-01 11:01:24 1052
What are the widespread applications of wireless data transmission modules across various industries?

What comprehensive protection mechanisms does the OTP series offer?

Yageo's OTP series of over-temperature protection fusing resistors represents a new generation of protective components. Featuring both over-temperature and over-current protection capabilities, these resistors are primarily used in high-computing or high-temperature/high-voltage industries such as power supplies, home appliances, lighting, charging equipment, and industrial machinery—where resistors require higher-specification safety protection mechanisms. When overcurrent occurs in the circuit, the....
2025-08-27 15:50:28 1010
What comprehensive protection mechanisms does the OTP series offer?

What should be considered when designing lightning protection circuits for power outlets?

Factors to consider when designing lightning protection circuits for power outletsThe design of lightning protection circuits should meet the specified protection level requirements, and the residual voltage level of the lightning protection circuit should be able to protect downstream circuits from damage.When subjected to lightning transient overvoltage, the protective device should have a sufficiently fast response speed, i.e., it should be able to limit voltage and divert current as early as possible.Th....
2025-08-22 14:41:46 894
What should be considered when designing lightning protection circuits for power outlets?

Methods for Eliminating the Load Effect of Passive Low-Pass Filters When Connected to a Load

In electronic circuit design, passive low-pass filters are widely used in signal processing due to their simple structure and low cost. However, when a passive low-pass filter is connected to a load, a load effect often occurs, causing the filter's performance parameters to deviate from the design expectations and affecting signal processing. This article will delve into the principles and impacts of the load effect when a passive low-pass filter is connected to a load, and will detail effective methods for....
2025-08-19 14:59:42 1303
Methods for Eliminating the Load Effect of Passive Low-Pass Filters When Connected to a Load

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