Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
The chip powerpad is used to dissipate heat for the chip. Most chips have a powerpad. However, there are a few things to note:
The powerpad must be connected to GND and fully soldered to the GND on th...
[i=s]This post was last edited by qwqwqw2088 on 2022-8-24 13:12[/i]LED driver chips can be divided into analog dimming and PWM dimming according to the dimming method.Analog dimming is relatively simp...
Basic concepts and issues
1. Bluetooth design paradigm?
When a mobile phone scans and connects to a low-power Bluetooth device, the mobile phone and the Bluetooth device form a client-server architect...
At 10:30 a.m. on December 1, Deng Zhonghan, Chairman of Vimicro, was a guest on Sina President Online, and had an online exchange with netizens on topics such as the listing history of Vimicro and Zhu...
[size=4]What is computational thinking: [/size] [size=4]The concept of computational thinking is a natural product of the development of computer science. [/size] [size=4] [/size] [size=4]The first pe...
IRF9540.pdf
The new house is equipped with an aluminum alloy sliding door, and I finally have the opportunity to design an automatic door for myself. The human body detection part uses...[Details]
1. Determination of “water volume” We already know how to choose a "test tube", but how to fill it with "water" to determine the duration of the timing. First, let's take the "big test tube" as an e...[Details]
0 Introduction
With the further development of CPU technology, 32-bit embedded PDA technology based on ARM platform has also been greatly developed. PDA has changed from a simple personal digi...[Details]
After decades of development, every link of chip design now cannot be separated from the participation of EDA tools, involving the entire process of verification, debugging, logic synthesis, layout...[Details]
Today, I want to talk about another important metric to consider when testing power supply performance: noise measurement. Where does power supply noise come from? Power supply noise is generated f...[Details]
0 Introduction
Traditional shallow sea topography measurement is carried out with ships as platforms and sonar technology. This measurement method forms a blind spot for some areas that are diffi...[Details]
Electronic rearview mirror system
The electronic rearview mirror system refers to a vehicle-mounted system that collects real-time image data through multiple rear-view cameras outside the veh...[Details]
The Shanghai Intellectual Property Court concluded the first case involving integrated circuit layout design since its establishment, and ordered the defendant, a certain technology company, to retur...[Details]
1 Introduction
Traditional lighting devices such as street lighting systems are rigid lighting systems. The lamps as loads passively absorb electricity from the mains. As the mains voltage fluctuate...[Details]
Oscilloscope is a measurement tool that people often use in design. Its main function is to convert invisible electrical signals into images that can be seen by the naked eye, so that people can obs...[Details]
When programming in Keil, you will often encounter the warning of __use_no_semihosting_swi, which means you have entered the semihost mode. In embedded programming, you cannot avoid using functions ...[Details]
V1-V4 form a bridge inverter, with RCD absorption branches connected in parallel at both ends. L is a current limiting inductor, Co is an energy storage capacitor, and Lo is used to limit the dischar...[Details]
Test chip: Microchip PIC 18F4550 Integrated development environment: MPLAB IDE v8.53 Compiler: Microchip C18 PIC18 series microcontrollers are high-end series of 8-bit microcontrollers of Microchip...[Details]
Recently, the "Implementation Opinions on Accelerating the Development of Four Major Leading Industries in Beijing Economic and Technological Development Zone" (hereinafter referred to as the "Implem...[Details]
High-voltage solid-state soft start cabinet is a device used for high-voltage motor starting. It controls the on and off of thyristors to achieve soft starting and soft stopping of motors, thereby ...[Details]
Analogue and Mixed Signal
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