270T228T501A1A

以小体积著称的模块电源，正朝着低电压输入、大电流输出，以及大的功率密度方向发展。但是，高集成度、高功率密度会使得其单位体积上的温升越来越成为影响系统可靠工作、性能提升的最大障碍。统计资料表明，电子元器件温度每升高2℃，其可靠性下降10%，温升50℃时的寿命只有温升25℃时的1/6。所以热设计的目的就是要及时地排出热量，并使产品的温度处于一个合理的水平，保证元器件的热应力在最坏的环境温度条件下...[Details]

On November 20-21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdong Pr...[Details]

The concept of home automation has a long history and covers a wide range of areas, from integrating and controlling the entire home's electronic and electrical equipment network to the intelligence ...[Details]

Overview This document describes the LabVIEW Multisim Connectivity Toolkit (ß version). Available from ni.com/labs, the toolkit is a wrapper around the Multisim Automation API. With this set of too...[Details]

In response to the existing problems in the lighting design of subways and underground stations , optimization design suggestions were put forward from the aspects of lighting power distribution, sys...[Details]

         This article is only for beginners, experts please skip it!     1. Experimental purpose     Use the IO port of the microcontroller to directly control the LED light and learn how to contro...[Details]

Abstract: Current transformers can be used to detect unipolar current pulses in high-frequency switching power supplies. The working process of the current detection circuit composed of current tra...[Details]

Hangzhou, China - July 25, 2022 - Picocom, a provider of 5G small base station baseband chips and telecom-grade software, is pleased to announce that since its launch in December last year,...[Details]

The data processing instructions are: MOV, ADD, ADDS, ADC, SUB, SUBS, SBC, RSB, MUL, AND, ORR, EOR, BIC, CMP, TST, TEQ, LSL, LSR, ASR, RORV   Data processing instruction syntax Operation{...[Details]

When we use WiFi, the speed may be fast or slow. Why is this? China Telecom said that it may be caused by the following reasons: 1. WiFi signal congestion: When users access the Internet through Wi...[Details]

Today, the Ministry of Industry and Information Technology, the Office of the Central Cyberspace Affairs Commission, the National Development and Reform Commission, the Ministry of Education, the Min...[Details]

    近年来随着“节能减排、低碳社会”的持续深入建设，LED照明技术得到了长足发展，LED(Light Emitting Diode)是一种新型半导体固态光源，具有节能环保、长寿命等显著优点，因此，在全球能源日趋紧张和环保压力日益加剧的情况下，使用LED半导体照明是最佳选择。作为LED照明最核心的部分，驱动电路也为了适应不同市场不同要求而发展出众多的设计架构。不同的架构直接影响着光源的发光效率...[Details]

Cars are not only a means of transportation, but also a carrier of mobile life. Mobility for all, a mobile society for everyone, the car of the future is more than just a mobile computer with four wh...[Details]

According to the latest news, Tencent plans to acquire gaming phone company Black Shark Technology. After the acquisition, Black Shark will be integrated into the Tencent Group Platform and Content B...[Details]

From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]