Application technology and advantages of gallium nitride in switching power supply

2021-03-18

The use of gallium nitride (GaN) in power applications is an important innovation, and it is hopeful that it will make a significant contribution to achieving the goal of high-efficiency power conversion. GaN is a semiconductor material that has been put into use and is widely used in the field of LED lighting and the increasingly important wireless field.

Technical Papers

Improvement Of Lightning Surge Limit Test

2023-07-30

Frist，conduct a power on test on the lightning strike limit defective products, and the products have no output. Unpack the power supply and turn it on again, check that there is no voltage across the electrolytic capacitor C1, measure the components between C1 and the AC PIN terminal, and find that the fuse F1 is open (as shown in the figure below).

FAQ

What should be paid attention to when placing the power supply?

2023-07-30

Most low-power supplies without internal fans are designed to be placed horizontally. If there is a problem with the system structure, it is necessary to place the power supply vertically, because the heat dissipation issue should consider the output power at a higher ambient temperature.

FAQ

UE power supply and breast pump enterprise clusters accelerate development and promote the transform

2023-07-03

A breast pump is a tool to assist in feeding infants and young children. It can prevent postpartum physiological breast swelling, promote breast milk secretion, and provide nursing mothers with a comfortable breast pumping experience. At present, there are many companies in the domestic breast pump market, and the market competition is fierce. Foreign brands have an early layout in the field of breast pumps and have advantages in technology, product quality and brand, so they account for a relatively high proportion in the domestic market. But as the breast pump market has been valued by domestic companies, how can domestic breast pump brands stand out and occupy a place in the market?

Medical Industry Trends

Home Beauty Devices Will Be Updated

2023-06-22

On April 12, 2023, China’s Medical Device Technology Review Center of the State Food and Drug Administration issued the “Guiding Principles for Registration Review of Radiofrequency Beauty Equipment (No. 8, 2023)”. Industry insiders said that this is to prepare for on April 1, 2024 next year, radio frequency beauty instruments will be officially included in the management of third-class medical devices.

Medical Industry Trends