In recent years, led as a new energy-saving light source has won high investment enthusiasm and great attention in the world and in China, and has penetrated from the outdoor to the indoor lighting application market. China has also emerged tens of thousands of LED lighting companies. The most important reason for LED lighting to shine is its advertised characteristics of energy saving, environmental protection, long life, easy control, and maintenance-free.

 

    The quality of LED drive power for lighting products will directly affect the service life of LED products. Therefore, how to make a good LED drive power is the most important requirement for LED power design. Due to their energy saving, long life, durability and flexible design, LEDs are rapidly replacing incandescent and fluorescent lamps in indoor and outdoor lighting. But choosing the right LED is only part of the design equation. In order for your solid-state lighting design to achieve comprehensive efficiency, durability and longevity, you need to choose the right power supply to match your application requirements with the LEDs used. This article will provide you with some useful suggestions and explain some things to consider when choosing a power supply. The following introduces the issues that should be considered when excluding LED driving power.

 

Driving circuit directly affects LED life

 

Generally, what we call LED drive includes digital drive and analog drive. Digital drive refers to digital circuit drive, including digital dimming control, RGB full color change, etc. Analog drive refers to analog circuit drive, including AC constant current switching power supply and DC constant current control circuit. The driving circuit is composed of electronic components, including semiconductor components, resistors, capacitors, inductors, etc. These components have a service life. Failure of any one device will cause the entire circuit to fail or some functions to fail. The operating life of LED is 50,000 to 100,000 hours. Based on 50,000 hours, it is lit one after another and has a lifetime of nearly 6 years. The life of the switching power supply is difficult to reach 6 years. The warranty period of the switching power supply sold on the market is usually 2-3 years. The power supply that reaches the 6-year warranty is military grade. The lighting factory is hard to bear. Therefore, the fault of LED lamps is mostly the fault of the driving circuit.