With the gradual popularization and application of dimmable LED driver, it is well known that dimming is a very important technology for light sources, because it can not only provide a comfortable lighting environment, but also achieve energy saving and emission reduction, then constant voltage LED dimming power supply What are the problems that should be paid attention to when dimming the power supply?

1. The choice of pulse frequency, because the LED is in a fast switching state, if the working frequency is very low, the human eye will feel flickering. In order to make full use of the residual visual phenomenon of human eyes, its working frequency should be higher than 100Hz, preferably 200Hz.

2. Eliminate the whistling caused by dimming. Although the human eye cannot detect it above 200Hz, it is within the range of human hearing until 20kHz. At this time, you may hear Sisi's voice. There are two ways to solve this problem. One is to increase the switching frequency above 20kHz, which is beyond the range of human hearing. Another method is to find the sound-emitting device and deal with it.

SMARTS POWER 0-10v dimmable led driver supports free adjustment of light brightness, easy control of light and dark changes, smooth and natural dimming throughout the process, no stroboscopic, high PF and low THD, stable and reliable, and effectively improves power utilization. After most lamps and lanterns use intelligent dimming, it will greatly reduce the loss of electric energy and be more energy-saving and environmentally friendly.