Latest news about Quanzhou Smarts Electronic & Technology Co.,Ltd.

What is the difference between constant voltage DC driver and constant current DC driver Jan 08 ,2021

Choosing constant current dc led driver or constant voltage dc led driver may the first things you need to take into consideration for your lighting projects. Here we would like to clear up the confusion of Constant Voltage and Constant Current LED Driver Power Supply. If yo...

What is the different of UL Recognized or UL Listed Marking 277v ac 24v dc LED Driver? Jan 06 ,2021

A popular question is offen asked by our clients "What is the different of UL Recognized or UL Listed Marking for 277v ac 24v dc led driver" “If UL Recognized or UL Listed Marking 227v ac led driver 24v dc 96 watts are the same? " Of course, they are not. However, sign builders can both work for UL ...

About SMARTS DALI dimmable led drivers Dec 28 ,2020

We are offering 12v/24v DALI dimmable led driver from 30w to 200w since 1998, all of them are comaptable with kinds of DALI dimmer, DALI system in market. When all DALI power supply are connected well, then, how to address a new IP if a new DALI system is connected? When the DALI dimming system has ...

What is a 12 volt DC power supply? Dec 14 ,2020

The 12V DC power supply is one of the most commonly used power sources today. These are switch mode power supplies which means the output is regulated to 12V. Generally, the 12VDC output is obtained from 110VAC or 220VAC inputs using a combination of transformers, diodes and transistors. ...

How many dimming methods are there for led lights? Dec 09 ,2020

1. On Switch dimming Switching dimming is dimming through the power switch of the original lamp. There is no need to add any dimmer when using and installing. As long as the number and speed of pressing the original power switch are constantly pressed, the dimming of the lighting fixture can be achi...

What are the methods to reduce power ripple? Dec 07 ,2020

Ripple and noise are: the fluctuation of the same frequency as the power switching frequency superimposed on the output of the DC smart power supply is the ripple, and the high-frequency noise is the noise. As shown in picture 1, the low frequency and regular fluctuations are ripples, and the spikes...