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The function of grounding the switching power supply adapter to earth.
Switching power adapters and electronic devices have electromagnetic compatibility requirements and corresponding testing methods. When designing a switching power adapter or electronic device, it is necessary to ensure that its electromagnetic compatibility indicators meet the requirements. How...Read more -
USB Charge and PD Charger Charging Process
USB Charge and PD Charger are everywhere in our lives, mainly used to charge our electronic devices. The battery types used in these devices are mostly lithium-ion batteries. Lithium-ion batteries are currently widely used and have the following characteristics compared to other batteries:1. Hig...Read more -
How does PD charger work
PD power adapter is a power adapter with PD protocol. PD stands for Power Delivery and it means power transmission management in Chinese. PD charging protocol is a power transmission protocol released by USB-IF organization. USB-Power Delivery can enhance the power of type-c interface up to 100W....Read more -
PD fast delivery
PD (Power Delivery) is a fast charging protocol. Power adapters or chargers that support this protocol are called PD power adapters or PD chargers, with a Type-C connector as the output interface. The output of a PD charger with Type-C output interface is different from the common USB-A interface...Read more -
Charging process of USB/PD charger
USB chargers， PD chargers , and PD power adapters are ubiquitous in our lives, mainly used to charge our electronic devices, which mostly use lithium-ion batteries. Lithium batteries are currently widely used, with the ability to be repeatedly used and recharged; they are the ideal energy sourc...Read more -
The main functions and names of various components in the USB-PD charger PCB circuit.
Currently USB chargers , PD chargers , and PD power adapters are developing in a small, efficient, energy-saving, and environmentally friendly direction. Understanding and selecting various components correctly is the foundation for developing, designing, producing and manufacturing chargers and...Read more -
COMMN TERMS IN POWER ADAPTERS INDUSTRY
Power adapter, usually refers to a DC regulated switching power adapter , is a rapidly developing discipline in electronic engineering. Therefore, the specialized terminology used to describe them is also still evolving and has not yet achieved consensus and a complete definition. The following l...Read more -
PROTECTIONS for High END POWER Adapters
There are over 2,000 power supply manufacturers in Guangdong Province, which means that there are many different specifications and quality levels of power adapters on the market. Sometimes, even adapters with the same output voltage and current can have a large price difference due to different...Read more -
Aging Test for USB Adapter
Why we need to perform aging test for power adapter?When producing switching power adapters in bulk, it is difficult to perform quality control according to process requirements due to the inevitable variations in raw materials, auxiliary materials, related process conditions, and equipment stat...Read more -
Power Factor (PF value) of power adapter
Our country is moving from a manufacturing powerhouse to an intelligent manufacturing powerhouse, and the updates and upgrades of consumer electronics and intelligent products are becoming faster and faster. The high frequency, efficiency, and miniaturization of switch power adapters have become ...Read more -
Insulation protection requirements for PD Charger
Insulation protection requirements for PD Charger 1. Insulation typeInsulation materials and insulation protection must be used to ensure the normal operation of the circuit and when there is a voltage higher than the dangerous voltage inside the circuit. UL60950 divides insulation into five cate...Read more -
Temperature rise in Power Adapter
As we all know, for reliable electrical performance and long service life, switching power adapter must select electrolytic capacitor with sufficient voltage and temperature margin. We are not familiar with the requirements of meeting appropriate ripple current rating. In order to better understa...Read more