{"id":12591,"date":"2023-08-25T14:42:11","date_gmt":"2023-08-25T14:42:11","guid":{"rendered":"https:\/\/www2.iled-lights.com\/?p=12591"},"modified":"2023-08-25T14:42:32","modified_gmt":"2023-08-25T14:42:32","slug":"how-to-match-a-driver-for-the-cool-white-led-light-and-the-application","status":"publish","type":"post","link":"https:\/\/www.iled-lights.com\/vi\/how-to-match-a-driver-for-the-cool-white-led-light-and-the-application-a6.html","title":{"rendered":"C\u00e1ch ch\u1ecdn b\u1ed9 driver cho \u0111\u00e8n LED \u00e1nh s\u00e1ng tr\u1eafng l\u1ea1nh v\u00e0 \u1ee9ng d\u1ee5ng"},"content":{"rendered":"

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e8n LED \u00e1nh s\u00e1ng tr\u1eafng \u0111\u1ea1t chu\u1ea9n chi\u1ebfu s\u00e1ng kh\u00f4ng ch\u1ec9 c\u00f3 \u1ee9ng d\u1ee5ng t\u1ed1t m\u00e0 c\u00f2n c\u00f3 hi\u1ec7u su\u1ea5t cao h\u01a1n, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n l\u00e0m cho n\u00f3 \u0111\u00e1p \u1ee9ng m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh m\u1ea1ch driver \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c tham s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a LED nh\u1eb1m th\u1ecfa m\u00e3n c\u00e1c y\u00eau c\u1ea7u \u0111\u00f3.<\/p>\n

Th\u1ee9 nh\u1ea5t, y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee7a h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED<\/p>\n

1. M\u1ea1ch driver \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n b\u1edfi ngu\u1ed3n \u0111i\u1ec7n \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho LED, c\u00f3 c\u1ea5u h\u00ecnh m\u1ea1ch \u0111\u01a1n gi\u1ea3n, th\u1ec3 t\u00edch chi\u1ebfm ch\u1ed7 nh\u1ecf h\u01a1n v\u00e0 hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i cao.<\/p>\n

2. C\u00e1c tham s\u1ed1 \u0111i\u1ec7n \u0111\u1ea7u ra (d\u00f2ng v\u00e0 \u00e1p) c\u1ee7a m\u1ea1ch driver ph\u1ea3i kh\u1edbp v\u1edbi c\u00e1c tham s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a LED \u0111\u01b0\u1ee3c driver k\u00edch, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a LED, k\u00e8m theo ch\u1ee9c n\u0103ng \u0111i\u1ec1u khi\u1ec3n d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 ch\u1ee9c n\u0103ng gi\u1edbi h\u1ea1n \u00e1p \u0111i\u1ec7n ph\u00f9 h\u1ee3p. Khi c\u00f3 nhi\u1ec1u \u0111\u1ea7u ra, \u0111\u1ea7u ra c\u1ee7a t\u1eebng k\u00eanh ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n ri\u00eang bi\u1ec7t.<\/p>\n

3. C\u00f3 ch\u1ee9c n\u0103ng gi\u1ea3m s\u00e1ng (dimming) v\u1edbi \u0111\u1ed9 tuy\u1ebfn t\u00ednh t\u1ed1t h\u01a1n, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00e1c nhau v\u1ec1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng LED trong nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p>\n

Trong tr\u1ea1ng th\u00e1i b\u1ea5t th\u01b0\u1eddng (LED b\u1ecb h\u1edf m\u1ea1ch, ng\u1eafn m\u1ea1ch, l\u1ed7i m\u1ea1ch driver), m\u1ea1ch c\u1ee7a ch\u00ednh m\u1ea1ch, LED v\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec1u c\u00f3 hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p.<\/p>\n

Th\u1ee9 n\u0103m, khi m\u1ea1ch driver, c\u00e1c m\u1ea1ch kh\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng \u00edt b\u1ecb can thi\u1ec7p, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n t\u1eeb.<\/p>\n

Th\u1ee9 hai, c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u1ea1ch khu\u1ebfch \u0111\u1ea1i tuy\u1ebfn t\u00ednh<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a m\u1ea1ch khu\u1ebfch \u0111\u1ea1i tuy\u1ebfn t\u00ednh l\u00e0 m\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01a1n gi\u1ea3n v\u00e0 tr\u1ef1c ti\u1ebfp nh\u1ea5t. C\u00e1c \u1ee9ng d\u1ee5ng LED tr\u1eafng c\u1ea5p chi\u1ebfu s\u00e1ng, m\u1eb7c d\u00f9 c\u00f3 hi\u1ec7u su\u1ea5t th\u1ea5p, v\u1ea5n \u0111\u1ec1 \u0111i\u1ec1u ch\u1ec9nh k\u00e9m, nh\u01b0ng v\u00ec m\u1ea1ch \u0111\u01a1n gi\u1ea3n, nh\u1ecf g\u1ecdn, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u chung, n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n trong m\u1ed9t s\u1ed1 d\u1ecbp nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

Ngu\u1ed3n \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh Vdd + \u0111i\u1ec7n tr\u1edf t\u1ea3i R H\u00ecnh 1 nh\u01b0 m\u1ed9t ngu\u1ed3n \u0111i\u1ec1u ch\u1ec9nh + \u0111i\u1ec7n tr\u1edf t\u1ea3i, c\u00e1ch \u0111i\u1ec1u khi\u1ec3n n\u00e0y c\u00f3 l\u1ee3i th\u1ebf l\u00e0 c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p. M\u1ed9t \u0111i\u1ec7n tr\u1edf n\u1ed1i ti\u1ebfp v\u1edbi LED, t\u1ed5n th\u1ea5t b\u1ed5 sung l\u1edbn h\u01a1n, v\u00e0 \u0111i\u1ec7n n\u0103ng ti\u00eau th\u1ee5 c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n tuy\u1ebfn t\u00ednh Vdd l\u1edbn h\u01a1n, v\u00ec v\u1eady hai y\u1ebfu t\u1ed1 n\u00e0y ch\u1ed3ng l\u00ean nhau d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 r\u1ea5t th\u1ea5p (50%), v\u00e0 d\u00f2ng LED c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p, kh\u00f4ng th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00f4ng su\u1ea5t nh\u1ecf, \u00e1nh s\u00e1ng trong th\u1eddi gian ng\u1eafn, nh\u01b0 \u0111\u00e8n pin LED, \u0111\u00e8n LED \u00e2m tr\u1ea7n, \u0111\u00e8n LED tr\u1ea7n, \u0111\u00e8n LED COB \u00e2m tr\u1ea7n, \u0111\u00e8n \u1ed1ng LED v\u00e0 \u0111\u00e8n chi\u1ebfu s\u00e1ng kh\u1ea9n c\u1ea5p.<\/p>\n

2, Ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh d\u00f2ng Vdd + \u0111i\u1ec7n tr\u1edf t\u1ea3i R + c\u00f4ng t\u1eafc \u0111i\u1ec7n t\u1eed S: C\u00e1ch \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c minh h\u1ecda trong H\u00ecnh 2 l\u00e0 c\u00e1ch c\u1ea3i ti\u1ebfn c\u1ee7a ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n trong H\u00ecnh 3, l\u1ee3i th\u1ebf kh\u00f4ng ch\u1ec9 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111i\u1ec1u khi\u1ec3n d\u00f2ng LED, m\u00e0 \u0111\u1ed9 s\u00e1ng LED c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i t\u1ef7 l\u1ec7 \u0111\u00f3ng c\u1eaft c\u1ee7a c\u00f4ng t\u1eafc \u0111i\u1ec7n t\u1eed S. Tuy nhi\u00ean, do \u0111i\u1ec7n tr\u1edf n\u1ed1i ti\u1ebfp v\u00e0 tuy\u1ebfn t\u00ednh, t\u1ed5n th\u1ea5t b\u1ed5 sung c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh d\u00f2ng cao h\u01a1n, n\u00ean hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 v\u1eabn th\u1ea5p, ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 b\u1ecb h\u1ea1n ch\u1ebf h\u01a1n.<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n m\u1ea1ch<\/p>\n

\u0110i\u1ec1u khi\u1ec3n d\u1ea1ng chuy\u1ec3n m\u1ea1ch c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c ki\u1ec3m so\u00e1t d\u00f2ng t\u1ed1t v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 cao h\u01a1n, c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n m\u1ea1ch.<\/p>\n

Ch\u1ebf \u0111\u1ed9 \u1ee9ng d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: h\u1ea1 \u00e1p v\u00e0 t\u0103ng \u00e1p.<\/p>\n

1 B\u1ed9 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n m\u1ea1ch h\u1ea1 \u00e1p: tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u khi\u1ec3n song song c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n m\u1ea1ch h\u1ea1 \u00e1p l\u00e0 khi \u0111i\u1ec7n \u00e1p \u0111\u1ea7u ra c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n cao h\u01a1n \u0111i\u1ec7n \u00e1p LED ho\u1eb7c nhi\u1ec1u LED.<\/p>\n

Nguy\u00ean l\u00fd ch\u00ednh c\u1ee7a m\u1ea1ch l\u00e0 s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n b\u0103m (chopping current) thu \u0111\u01b0\u1ee3c theo y\u00eau c\u1ea7u c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111i\u1ec7n t\u1eed S, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n If c\u1ea7n thi\u1ebft c\u1ee7a LED b\u1eb1ng ph\u1ea3n h\u1ed3i \u00e2m d\u00f2ng (l\u1ea5y m\u1eabu d\u00f2ng qua R0), sao cho d\u00f2ng If ch\u1ea1y qua LED \u1ed5n \u0111\u1ecbnh trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh v\u00e0 c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u1ed9t ch\u1ee9c n\u0103ng \u0111i\u1ec1u s\u00e1ng nh\u1ea5t \u0111\u1ecbnh. Cu\u1ed9n c\u1ea3m L \u0111\u00f3ng vai tr\u00f2 hi\u1ec7u \u1ee9ng t\u1ef1 do (freewheeling) khi S ng\u1eaft, t\u00edch tr\u1eef n\u0103ng l\u01b0\u1ee3ng, gi\u00fap gi\u1ea3m bi\u1ebfn \u0111\u1ed9ng d\u00f2ng If ch\u1ea1y qua LED. B\u1ed9 l\u00e1i chuy\u1ec3n m\u1ea1ch n\u00e2ng \u00e1p (Boost switch driver) cho tr\u01b0\u1eddng h\u1ee3p l\u00e1i n\u1ed1i ti\u1ebfp khi \u0111i\u1ec7n \u00e1p ngu\u1ed3n th\u1ea5p h\u01a1n \u0111i\u1ec7n \u00e1p \u1edf hai \u0111\u1ea7u LED ho\u1eb7c nhi\u1ec1u LED n\u1ed1i ti\u1ebfp. <\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch l\u00e0 s\u1eed d\u1ee5ng vai tr\u00f2 theo y\u00eau c\u1ea7u c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111i\u1ec7n t\u1eed S ng\u1eaft-ng\u1eaft. Khi y\u00eau c\u1ea7u ngu\u1ed3n c\u1ea5p Vdd n\u1ea1p n\u0103ng l\u01b0\u1ee3ng cho cu\u1ed9n c\u1ea3m L trong S, khi S ng\u1eaft, c\u1ef1c t\u00ednh \u0111i\u1ec7n \u00e1p tr\u00ean L b\u1ecb \u0111\u1ea3o v\u00e0 S ng\u1eaft, \u0111i\u1ec7n \u00e1p Vf ch\u1ed3ng l\u00ean \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb d\u00f2ng LED If v\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p Vr, th\u00f4ng qua hi\u1ec7u \u1ee9ng ph\u1ea3n h\u1ed3i \u00e2m d\u00f2ng (l\u1ea5y m\u1eabu d\u00f2ng qua R0), sao cho d\u00f2ng If ch\u1ea1y qua LED c\u00f3 ch\u1ee9c n\u0103ng \u0111i\u1ec1u s\u00e1ng c\u00f3 th\u1ec3 x\u1eed l\u00fd trong m\u1ed9t ph\u1ea1m vi \u1ed5n \u0111\u1ecbnh nh\u1ea5t \u0111\u1ecbnh. <\/p>\n

\"\u0110\u00e8n\u9762\u677f<\/p>\n

\u1ee8ng d\u1ee5ng \u0111i\u1ec1u s\u00e1ng cho \u0111\u00e8n LED chi\u1ebfu s\u00e1ng <\/p>\n

Tr\u1eafng LED kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p tuy\u1ebfn t\u00ednh t\u1eaft-b\u1eadt \u0111\u1ec3 thay \u0111\u1ed5i \u0111o\u1ea1n nh\u1eb1m \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng (bi\u00ean \u0111\u1ed9 s\u00e1ng) c\u1ee7a d\u00f2ng If, n\u00ean s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4ng \u0111\u1ed5i (d\u00f2ng l\u00e0m vi\u1ec7c c\u1ee7a LED) ch\u1ec9 thay \u0111\u1ed5i n\u1ebfu \u0111\u1ed9 r\u1ed9ng xung d\u00f2ng trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian, b\u1edfi v\u00ec n\u00f3 s\u1ebd kh\u00f4ng l\u00e0m thay \u0111\u1ed5i ph\u1ed5 ph\u00e1t s\u00e1ng g\u00e2y ra m\u00e0u tr\u1eafng b\u1ea5t th\u01b0\u1eddng. C\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec1u s\u00e1ng s\u1eed d\u1ee5ng c\u00e1c c\u00e1ch sau: 1. \u0110i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung: \u0110i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung l\u00e0 m\u1ed9t c\u00e1ch ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a LED. B\u1eb1ng c\u00e1ch thay \u0111\u1ed5i \u0111\u1ed9 r\u1ed9ng c\u1ee7a xung vu\u00f4ng hi\u1ec7n t\u1ea1i \u00e1p d\u1ee5ng cho LED b\u1eadt, \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n trung b\u00ecnh tr\u00ean LED thay \u0111\u1ed5i trong m\u1ed9t ph\u1ea1m vi l\u1edbn h\u01a1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng \u0111i\u1ec1u s\u00e1ng c\u00f3 ph\u1ea1m vi l\u1edbn h\u01a1n. <\/p>\n

\"\u0110\u00e8n
\u0110\u00e8n LED panel c\u00f3 th\u1ec3 \u0111i\u1ec1u s\u00e1ng b\u1eb1ng Triac <\/figcaption><\/figure>\n

2. \u0110i\u1ec1u ch\u1ebf t\u1ea7n s\u1ed1: \u0110i\u1ec1u ch\u1ebf t\u1ea7n s\u1ed1 l\u00e0 m\u1ed9t c\u00e1ch kh\u00e1c \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a LED. Gi\u1eef nguy\u00ean \u0111\u1ed9 r\u1ed9ng c\u1ee7a xung vu\u00f4ng d\u00f2ng \u0111i\u1ec7n \u00e1p d\u1ee5ng cho LED (bi\u00ean \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i), thay \u0111\u1ed5i s\u1ed1 l\u01b0\u1ee3ng xung vu\u00f4ng \u00e1p d\u1ee5ng cho LED trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian, \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n trung b\u00ecnh tr\u00ean LED thay \u0111\u1ed5i trong ph\u1ea1m vi l\u1edbn h\u01a1n, cho ph\u00e9p ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a \u0111\u00e8n LED chi\u1ebfu s\u00e1ng l\u1edbn h\u01a1n. <\/p>\n

\"\u0110\u00e8n<\/p>\n

S\u01a1 ch\u1ebf bi\u1ebfn \u0111i\u1ec1u ch\u1ebf g\u00f3c 3 bit: Trong \u0111i\u1ec1u ch\u1ebf g\u00f3c, m\u1ed9t c\u1ee5m ch\u1ee9a chu\u1ed7i nh\u1ecb ph\u00e2n c\u00e1c xung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u00e0 m\u1ed7i chi\u1ec1u r\u1ed9ng c\u1ee7a c\u00e1c chu\u1ed7i xung \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i theo t\u1ef7 l\u1ec7 c\u1ee7a gi\u00e1 tr\u1ecb bit t\u01b0\u01a1ng \u1ee9ng. B\u1eb1ng c\u00e1ch thay \u0111\u1ed5i \u0111\u01a1n v\u1ecb th\u1eddi gian \u00e1p d\u1ee5ng cho LED v\u1edbi xung vu\u00f4ng; gi\u00e1 tr\u1ecb bit c\u1ee7a d\u00f2ng \u0111i\u1ec7n hi\u1ec7n t\u1ea1i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng chi\u1ec1u r\u1ed9ng, sao cho d\u00f2ng \u0111i\u1ec7n trung b\u00ecnh tr\u00ean LED thay \u0111\u1ed5i trong m\u1ed9t kho\u1ea3ng r\u1ed9ng, nh\u1eb1m \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ee7a LED. <\/p>\n

\"\u0110\u00e8n
\u0110\u00e8n Panel LED H\u1eb9n Gi\u1edd C\u00f3 Th\u1ec3 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng DALI <\/figcaption><\/figure>\n

T\u00f3m l\u1ea1i, m\u1ee9c \u0111\u1ed9 chi\u1ebfu s\u00e1ng c\u1ee7a LED tr\u1eafng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ph\u00e1t s\u00e1ng tr\u1ea1ng th\u00e1i r\u1eafn, l\u00e0 ph\u01b0\u01a1ng \u00e1n thay th\u1ebf hi\u1ec7u qu\u1ea3 cho vi\u1ec7c chi\u1ebfu s\u00e1ng n\u00f3i chung, m\u1eb7c d\u00f9 \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, t\u1ed1c \u0111\u1ed9 \u1ee9ng d\u1ee5ng b\u1ecb h\u1ea1n ch\u1ebf do gi\u00e1 hi\u1ec7n t\u1ea1i v\u00e0 b\u1ea3n ch\u1ea5t, nh\u01b0ng v\u00ec n\u00f3 c\u00f3 hi\u1ec7u n\u0103ng xu\u1ea5t s\u1eafc, c\u00f9ng v\u1edbi s\u1ef1 ti\u1ebfn tri\u1ec3n li\u00ean t\u1ee5c c\u1ee7a c\u00f4ng ngh\u1ec7 R D, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 ch\u1eafc ch\u1eafn r\u1eb1ng LED tr\u1eafng chi\u1ebfu s\u00e1ng c\u1ea5p c\u00f3 tri\u1ec3n v\u1ecdng t\u1ed1t. <\/p>","protected":false},"excerpt":{"rendered":"

In order to ensure lighting-class white LED light is not only able to get a good application, but also higher efficiency, first you need to make it meet certain conditions, followed by the need to adapt the drive circuit to meet the the LDE working parameters to meet them . First, the application requirements of […]<\/p>\n","protected":false},"author":6,"featured_media":12596,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12591","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-blog"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12591","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/comments?post=12591"}],"version-history":[{"count":1,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12591\/revisions"}],"predecessor-version":[{"id":12597,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/posts\/12591\/revisions\/12597"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media\/12596"}],"wp:attachment":[{"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/media?parent=12591"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/categories?post=12591"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iled-lights.com\/vi\/wp-json\/wp\/v2\/tags?post=12591"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}