美隆電子有限公司

Mayloon Electronic Company Limited

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LED Floodlight
led floodlight-01.png

SV-TG18 TSC450W TSC750W TSC900CW-SC 聚光燈 聚光燈 聚光燈 聚光燈 投射燈 路燈 路燈 大瓦數射燈 -

標題過濾     顯示數 
項目標題 作者 點擊
1 LED Street Light (100W - 300W) LED Steet Light 14134
2 LED Street Light (30w - 250w) LED Street Light 16109
3 LED Street Light (50w - 300w) LED Street Light 15623
4 LED大功率投光燈 LED大功率投光燈 16990
5 LED Floodlight High power - SV-TG18 Series ED Floodlight High power 25968
6 聚光燈 泛光燈 聚光燈 泛光燈 32451
7 LED Floodlight - TCS900W 900W 32880
8 LED Floodlight - TCS600W TSC750W 600W/750W 36890
9 LED Floodlight - TCS300W TSC450W 300W/450W 32563
10 LED Floodlight - TSC200W TSC240W 200W/240W 34139
11 LED Floodlight - TSC150W TSC180W 150W/180W 35311
12 LED Floodlight - TSC120W TSC150W 120W/150W 34093
13 LED Floodlight - TSC300W TSC600W 300W/600W 34022
14 LED Floodlight - TSC80W TSC100W 80W/100W 32600
15 LED Floodlight - XGH60W XGH100W 60W/100W 31604
16 LED Floodlight - XGH30W XGH50W 30W/50W 29893
17 LED Floodlight - TSC50W TSC60W 50W/60W 31537
18 LED Floodlight -TSC30W TSC40W 30W/40W 32815
19 LED Floodlight -TSC15W TSC20W 15W /20W 31495
20 LED Flood Light TGD10W 10W 34237
 
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Newsflash

LED 驅動電路

LED 驅動電路

 

LED 驅動電路

在電子學領域裡,LED驅動電路(LED circuit,又譯發光二極管電路),為發光二極管燈具的核心器件,是一個用來使發光二極管(LED)發亮的電路。

隨着全球倡導綠色照明以及節能的迫切需求。越來越多的照明產品進入到發光二極管光源的時代。而作為發光二極管燈具的核心器件,LED驅動芯片扮演着越來越重要的角色。

推動LED時,其最終目的都是要控制流經LED的電流以達到或貼近原有設計要求的數值,並使其穩定而不受或減少被電源電壓、溫度、順向偏壓差異等因素影響,從而得到所需光度、防止LED壽命減短或被損壞。

LED工作於直流電,其順向偏壓與電流成指數關係,因此極細小的電壓變化也會使其電流、光度有很大變化,嚴重的更會因為功耗過高而永久損壞。

成指數關係的LED順向偏壓與電流曲線,輕微的順向偏壓(ΔV)會導致非常大的電流變化(ΔI

圖一