Constant Current LED Driver And Triac Dimmer,LED Power Supply Design

2019-07-17

Swin Power participated in 2018 Hong Kong International Lighting Fair(Autumn Edition)

--Dated: 26th-29th, Oct, 2018. --Booth Number: 8-K34/K36. --Location: 1st floor of Asia-word Expo, which is near to the HK airport. I was wondering will you be here? If yes, your visit of our company will be greatly welcomed. If you are attending the HKTDC conference in Oct, be sure to stop by the booth- number K34/k36. Swin Technology Co., Ltd. is specializing in ETL/UL, CE, R...

2019-07-17

Swin Power participated in HKTDC lighting fair in 2017

May I know if you and your company representatives will be there this time? Swin Technology Co., Ltd. expects to talk more details about our UL ETL FCC CE Rohs listed led driver/switching power supply and establish long-term business relations with your company in future. Come to visit us and we believe we will have a lot of fun here. Date: Oct.27th-30th,2017 Booth Number: ED-M01-M03 Location...

2019-07-17

Swin Power participated in HKTDC lighting fair in 2016

HKTDC Hong Kong International Outdoor and Tech Light Expo will grand open on 26-29 Oct 2016, 2016. We'll be showcasing our latest and greatest new products at this unique design event. Check us at booth F16-f18. We are here to answer your all questions about our led lighting power supply . Swin Technology Co., Ltd CN Main Markets Central America,South America,Africa,Southeast Asia,Easter...

2019-07-09

What is the meaning of the UL class 2 led driver?

UL Class 2 led driver comply with standard UL1310, meaning output is considered safe to contact and no major safety protection is required at the LED / luminaire level. There is no risk of fire or electric shock. These switching power supply driver operate using less than 60 volts (dry) and 30 volts (wet), less than 5 amps, and less than 100 watts. Although safer, these lim...

2019-07-09

Does the triac/phase cut dimming led driver from Smarts Electronics have PWM output ?

Answer: Yes, there are three series of triac dimming led driver from Smarts, they are called as version 1.0, version 2.0 and version 3. Here is the general informations as below. Version 1.0 don’t have PWM output function. This series is the early type led driver which we developed around 2015. They are 3 year warranty and 12vdc 24vdc led driver design output, 100-130vac or 170-265vac. As the time...

2019-07-09

What is the different of IP67 and IP68?

IP67 refers to "Product has protection against dust and temporary immersion in water" . Smarts led driver transformer 12v always meet IP67 standard. Please note that don’t make our led driver to be in immerse water long time. IP68 refers to "Product has protection against dust and continuous immersion in water. Our currently ETL listed LED driver are unable to attain the IP68 rating...

2019-07-09

Constant Current & Constant Voltage

As we all know, there are two kinds of led driver, constant voltage and constant current. But what kind of LED driver do I choose it ? How can we distinguish between these two? 1. What is constant current led driver? Constant current LED drivers are designed for a designated range of output voltages and a fixed output current. It is can be used fo...

2019-07-09

Compatibility between triac dimming power supply and dimmer

Well known that triac dimming has a leading edge cut wave and a trailing edge cut wave, but more than 90% of the triac dimming power supply is uncompatible with the mainstream led driver dimmer on the market, nodes flicker or continuous flashing when the brightness is adjusted to less than 15% or less. Whether you are using leading edge or trailing edge control, it can be r...

2019-07-09

Common causes of the SCR dimmer damage?

SCR dimmers are widely used in the dimming system, but many users have encountered SCR be damaged when using phase cut dimming power supply. The following are 4 common causes of the SCR dimmer damage. ---Voltage breakdown. The SCR is damaged by the inability to withstand the voltage, there is a hole in the chip, which sometimes can be seen with a magnifying glass. The reaso...

2019-07-09

Methods to identify whether the LED dimming power supply is qualified

1) Slowly adjust the brightness from 0 to the brightest, and see if there is a sudden change in brightness to determine whether the dimming curve is linear. Linear dimming power supplies meet general usage requirements. 2) Change the dimming speed repeatedly, hear the whistling of the power supply, without whistling is qualified. 3) Adjust the light to the darkest, then turn of...