The three main components of new energy vehicles are the battery (Battery), motor (Motor), and electrical control system (Electrical Control System).1. Battery (Battery): The battery is the energy source for new energy vehicles, responsible for storing and releasing electrical energy. 2. Motor (Motor): The motor is the device that converts the electrical energy provided by … Read more
The main purpose of thermal management is to ensure that all electronic components, especially BGA, are maintained within their functional and maximum allowable limits. The functional temperature limit defines the range of environmental temperatures or component package temperatures that allow electronic circuits to operate normally. It is essential to understand the cooling technologies that the … Read more
The “temperature war” in the new energy vehicle sector is quietly escalating. While consumers worry about range anxiety, engineers are brainstorming another battle—how to keep batteries, motors, and power modules operating within optimal temperature ranges. Recently, a new patent from BYD Semiconductor has provided an elegant solution for this battle. From “Linear Thinking” to “Three-Dimensional … Read more
The key points and best practices for PCB layout design of Arduino open source hardware expansion boards.In the Arduino ecosystem, the PCB design of expansion boards (Shields) requires meticulous planning. This article will delve into the key technical points of PCB layout design for Arduino expansion boards, providing professional guidance for design engineers.1. Stacking Structure … Read more
Introduction The field of artificial intelligence is rapidly evolving, with on-chip AI capabilities shifting from traditional Convolutional Neural Networks (CNNs) to transformer-based generative AI models. This article explores the cutting-edge Neural Processing Unit (NPU) implemented in the Samsung 4nm Exynos 2400 System on Chip (SoC), designed to meet the stringent requirements of both traditional and … Read more
[Fundamentals] 3W Principle Power Supply Management and Plane Segmentation About Dead Copper (PCB Islands) Where is the Reference Plane for Routing? How to Quickly Estimate PCB Trace Resistance: Square Statistics [PCB Fabrication and Materials] Basic Knowledge of PCB Fabrication Classification of Substrate Materials for Printed Circuit Boards Classification and Selection of PCB Materials Differences in … Read more
The charging pile circuit board is the core component of the charging pile, responsible for functions such as power conversion, control, communication, and safety protection. Below is a detailed analysis of the charging pile circuit board:1. Main Functional ModulesPower Module (AC/DC or DC/DC conversion):Converts grid AC power (AC) to DC power (DC) for battery charging … Read more
This solution utilizes a XuanZhi SPD1179 SoC and seven YaoXin Micro’s AKG4N058GM-A domestically produced automotive-grade MOSFETs to achieve full domestic chip production. One of the MOSFETs is used for reverse polarity protection, while the remaining six are configured to form three half-bridges. The system block diagram and PCBA photos are shown below. ▲ Block Diagram … Read more
In modern industrial control systems, the reliability of PCBs directly affects the stability and lifespan of the entire system. Industrial environments often face harsh conditions such as high temperatures, high humidity, vibration, and electromagnetic interference, which impose strict requirements on PCB design. This article will explore high reliability design methods for PCBs in industrial control … Read more
A good circuit board not only needs to achieve the functionality of the circuit design but also must consider electrical characteristics such as EMI, EMC, ESD (Electrostatic Discharge), and signal integrity. Additionally, mechanical structure and heat dissipation issues for high-power chips must be taken into account. On this basis, the aesthetic aspect of the circuit … Read more