Industry Information

Update July 22, 2019

How to solve the EMC/EMI problem in LED power supply design

Electromagnetic compatibility (EMC) is the study of the generation, propagation, and reception of accidental electromagnetic energy in electricity, and the detrimental effects of such energy. The...

Update July 22, 2019

Power adapter problems and precautions

The power adaptor is a power supply conversion device for small portable electronic devices and electronic appliances. It is generally composed of a casing, a power transformer and a rectifier...

Update July 16, 2019

How to identify the quality of LED power supply is good or bad

How to identify the quality of LED power good or bad? We can do from the following points to identify: First, the driver chip: IC The core of the drive power is the IC, the IC's direct impact on the...

Update July 16, 2019

Is the power adapter's no-load voltage exactly the same as the nominal voltage?

Introduction: Is the power adaptor's no-load voltage the same as the nominal voltage? The answer is: The actual no-load voltage of the common ac dc adapter in the industry is not necessarily the same...

Update July 15, 2019

Talking about the main indicators and selection criteria of power adapter

At present, the power adaptor adopts the national standard "GB4943-2001: Safety of Information Technology Equipment" and "GB8898-2001: Safety Requirements for Audio, Video and Similar Electronic...

Update July 15, 2019

Power adapter common maintenance tips

1. Avoid wet environment The use of notebook power supplies should be taken care of to avoid wet environments. The function of the power adaptor is to convert 220 VDC from household electricity into...

Update July 12, 2019

LED maintenance and LED power supply design experience sharing, don't wait

Today, Xiaobian specially compiled some practical experiences in the process of LED overhaul and LED power supply design. I will share it with the newcomers engineers through the form of question and...

Update July 12, 2019

Talking about two protection methods of switching power adapter

In the development of new products for switching power supplies , in order to ensure that the adapter can adapt to the operating requirements of different environments during use and provide users...

Update July 09, 2019

Car laptop power adapter design

0 Preface This article refers to the address: http:// The rapid development of the information society has made people increasingly dependent on laptops, hoping to get information anytime, anywhere,...

Update July 09, 2019

Looking forward to LED driver power decomposition LED driver and protection chip

First, the current situation of the use of LED driver power Standard lights are undergoing a revolution. In order to protect energy and respond to global warming, some states in the United States and...