Industry Information

Update November 28, 2019

Reduce the total power consumption of chargers and adapters without load

This article briefly describes how to use ST's secondary side device TSM family to reduce the no-load power consumption of chargers and power adaptor. This family has precise voltage and current...

Update November 26, 2019

LED light power supply selection

As the issue of global greenhouse gas emissions is becoming more and more serious and approaching the critical point of self-regulation of the earth, countries have introduced relevant policies, and...

Update November 21, 2019

Take you to know the external power supply of the cash register

The external equipment of the cash register includes a laser scanner, a printer, a keyboard, a magnetic card reader, etc. These external devices and the cash register need to be powered together or...

Update November 19, 2019

Is power the same as power consumption? The difference between power and power

Is power the same as power consumption? The literal meaning is not the same, power consumption refers to the power consumption per unit time, the actual refers to the power, the power consumption...

Update November 14, 2019

Laptop power supply repair method

Now that technology is more and more developed, what electronic products have been researched, there are computers, desktop power supplies and laptops, as well as netbooks, and what, desktop...

Update November 13, 2019

What are the characteristics of transformer magnetizing inrush current?

The magnetizing inrush current has the following characteristics: 1 The change of the initial phase angle of the closing has different effects on the three-phase excitation inrush current, and some...

Update November 06, 2019

Detailed explanations of three commonly used LED driver power supplies

What is LED drive power The LED drive power supply is a power converter that converts the power supply into a specific voltage and current to drive the LED light. Under normal circumstances: the...

Update October 23, 2019

smart portable charger main function

One hundred card smart portable adapter charger main function ◆Output overvoltage protection: If the output voltage is too high, it may cause catastrophic accidents to the electrical equipment. To...

Update October 17, 2019

Is the constant voltage power supply or the constant current power supply used to power the LED?

Shanghai Longmao Microelectronics Co., Ltd. Mao Yuhai There are a lot of different plausible arguments about this problem. Some people say that in the volt-ampere characteristics of LEDs, the voltage...

Update October 16, 2019

Analysis of Similarities and Differences Between EPS Power Supply and UPS Power Supply

Power is common in people's lives, but the market is constantly changing. Some power companies continue to research new products in order to meet the needs of the market and keep pace with the times....