Events

Top 10 companies about China's semiconductor power devices

Updated: 2022-03-10
Views: 3241

(Producer/author of the following report: CITIC Construction Investment Securities/Liu Shuangfeng, Fan Bintai) 1. IoT-driven electrification and intelligence br……

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A classic power circuit, the analysis is very thorough! Worth seeing!

Updated: 2022-03-10
Views: 3225

In "Design Principles in Electronic Helper Circuits", an analysis of the electronic switch circuit for realizing the circuit is given. The schematic diagram of the circuit is shown in the figure below. ▲ The simplified circuit of the switch circuit

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The latest ranking of the world's top ten analog IC manufacturers is released! TI retains No. 1 spot, Skyworks has the strongest growth

Updated: 2022-03-10
Views: 3217

Analog ICs are still key components in almost all digital-centric systems today. Consumer, computing, communications, automotive, and industrial/medical systems rely on analog devices to manage power consumption and help extend battery life in portable devices.

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Semiconductor chip design - foundry - packaging and testing trilogy industry chain

Updated: 2022-03-10
Views: 3236

1. Chip Design Integrated circuits are the cornerstone of the electronic information industry, and IC design, as the upstream of the integrated circuit industry……

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In-depth analysis: the structure and working principle of IGBT

Updated: 2022-03-10
Views: 3188

Structure of IGBIGBT Figure 1 shows the structure of an N-channel enhanced insulated gate bipolar transistor. The N+ region is called the source region, and the electrode attached to it is called the source. The N+ region is called the drain region. The control region of the device is the gate region, and the electrode……

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Inventory of domestic replacements for ST MCUs that are out of stock and price increases (with specific manufacturers and their specific MCU models)

Updated: 2022-03-10
Views: 3263

1. Beijing Zhaoyi Innovation Technology Co., Ltd. GD32 is the mainstream choice in China's 32-bit general-purpose MCU field, with a cumulative shipment of more ……

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AC/DC的基础

Updated: 2022-03-10
Views: 3143

在此将说明AC（交流）电压转换成DC（直流）电压的基本方法，变压器方式和开关方式。此外，也将进行变压器方式和开关方式的比较探讨总述。首先，“为何必须AC/DC转换？”让我们先回到原点。众所周知，日本的家庭或大楼的主要供电是AC的100V或200V。然而，大多数电器通过其中的电子电路操作，……

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全球功率半导体厂家都有哪些？

Updated: 2022-03-10
Views: 3167

近段时间，功率器件的关注热度再次升级，除了斯达半导、捷捷微电等功率器件厂商正加大产能建设，华为、小米、OPPO等手机厂商也在积极投资布局，功率器件相关热门的第三代半导体材料碳化硅和氮化镓更是被写入了“十四五”规划。近几年新能源汽车、5G基站和变频家电强势发展，给功率器件带来了新的增长机会，另外快充，特高压、城际……

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深圳市科技创新委员会2021年集成电路专项拟资助项目清单（82家企业，94个项目）

Updated: 2022-03-10
Views: 3165

3月15日，深圳市科技创新委员会公示2021年集成电路专项拟资助项目，此次拟进行资助的项目分为三类，包括流片项目(67个)、IP项目（25个）、EDA项目（2个）。以下是此次2021年集成电路专项拟资助项目清单：深圳市迪威码半导体有限公司深圳市迪威码半导体有限公司是一家专注于芯片设计的公……

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用SiC驱动大功率灯或电机的实例来了！

Updated: 2022-03-10
Views: 3075

改变大功率电灯或电动机亮度的最佳技术之一就是脉宽调制（PWM）。在汽车电子系统中，一段时间以来，控制单元已使用PWM命令来对各种执行器进行控制和管理。例如，柴油机压力调节器、电风扇和前照灯的亮度就采用PWM信号进行管理。利用周期性信号驱动负载，电路的效率就非常高，所有产生的功率就都能传输到负载，也即损耗几乎为零。通过使……

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