{"id":17668,"date":"2026-03-21T17:47:57","date_gmt":"2026-03-21T09:47:57","guid":{"rendered":"https:\/\/boqiled.com\/?p=17668"},"modified":"2026-03-21T17:47:59","modified_gmt":"2026-03-21T09:47:59","slug":"how-does-a-trailing-edge-dimmer-bq-ttdim-work","status":"publish","type":"post","link":"https:\/\/boqiled.com\/vi\/how-does-a-trailing-edge-dimmer-bq-ttdim-work\/","title":{"rendered":"B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh L\u00f9i BQ-TTDIM Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o?"},"content":{"rendered":"<p>Nhi\u1ec1u \u0111\u00e8n LED nh\u1ea5p nh\u00e1y, k\u00eau \u00f9, ho\u1eb7c kh\u00f4ng th\u1ec3 gi\u1ea3m s\u00e1ng m\u01b0\u1ee3t m\u00e0 v\u1edbi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng truy\u1ec1n th\u1ed1ng. \u0110i\u1ec1u n\u00e0y g\u00e2y kh\u00f3 ch\u1ecbu cho nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 th\u1ee3 l\u1eafp \u0111\u1eb7t. T\u00f4i th\u01b0\u1eddng th\u1ea5y c\u00e1c d\u1ef1 \u00e1n th\u1ea5t b\u1ea1i ch\u1ec9 v\u00ec c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED.<\/p>\n\n\n\n<p><strong>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau BQ-TTDIM ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng LED b\u1eb1ng c\u00e1ch ng\u1eaft \u0111i\u1ec7n t\u1eed d\u1ea1ng s\u00f3ng AC g\u1ea7n cu\u1ed1i m\u1ed7i chu k\u1ef3 n\u1eeda s\u00f3ng. \u0110i\u1ec1u n\u00e0y gi\u1ea3m c\u00f4ng su\u1ea5t truy\u1ec1n t\u1ea3i trong khi duy tr\u00ec \u0111\u1ed9 gi\u1ea3m s\u00e1ng m\u01b0\u1ee3t m\u00e0, ti\u1ebfng \u1ed3n th\u1ea5p, v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch m\u1ea1nh m\u1ebd v\u1edbi c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED hi\u1ec7n \u0111\u1ea1i.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"764\" height=\"1024\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/trailing-edge-dimmer-waveform-phase-cut-LED.jpg\" alt=\"\" class=\"wp-image-17674\" style=\"width:auto;height:500px\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/trailing-edge-dimmer-waveform-phase-cut-LED.jpg 764w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/trailing-edge-dimmer-waveform-phase-cut-LED-224x300.jpg 224w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/trailing-edge-dimmer-waveform-phase-cut-LED-9x12.jpg 9w\" sizes=\"(max-width: 764px) 100vw, 764px\" \/><figcaption class=\"wp-element-caption\">D\u1ea1ng s\u00f3ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau c\u1eaft pha LED<\/figcaption><\/figure>\n\n\n\n<p>Khi l\u00e0m vi\u1ec7c v\u1edbi h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED, t\u00f4i lu\u00f4n ch\u00fa \u00fd k\u1ef9 \u0111\u1ebfn c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng. Nhi\u1ec1u v\u1ea5n \u0111\u1ec1 trong c\u00e1c d\u1ef1 \u00e1n chi\u1ebfu s\u00e1ng \u0111\u1ebfn t\u1eeb s\u1ef1 hi\u1ec3u sai v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft pha. Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, t\u00f4i s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1ea1nh sau BQ-TTDIM ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Trailing Edge l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>Nhi\u1ec1u th\u1ee3 l\u1eafp \u0111\u1eb7t gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft pha ho\u1ea1t \u0111\u1ed9ng gi\u1ed1ng nhau. Gi\u1ea3 \u0111\u1ecbnh n\u00e0y th\u01b0\u1eddng g\u00e2y ra nh\u1ea5p nh\u00e1y ho\u1eb7c \u00e1nh s\u00e1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh khi s\u1eed d\u1ee5ng \u0111\u00e8n LED.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i (trailing edge dimmer) gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 \u00e1nh s\u00e1ng b\u1eb1ng c\u00e1ch t\u1eaft d\u1ea1ng s\u00f3ng AC g\u1ea7n cu\u1ed1i m\u1ed7i n\u1eeda chu k\u1ef3. Thay v\u00ec c\u1eaft ph\u1ea7n \u0111\u1ea7u c\u1ee7a d\u1ea1ng s\u00f3ng, n\u00f3 c\u1eaft ph\u1ea7n cu\u1ed1i \u0111\u1ec3 ki\u1ec3m so\u00e1t n\u0103ng l\u01b0\u1ee3ng c\u1ea5p cho \u0111\u00e8n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram-1024x683.jpg\" alt=\"\" class=\"wp-image-17675\" style=\"width:640px\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram-1024x683.jpg 1024w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram-300x200.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram-768x512.jpg 768w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram-18x12.jpg 18w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Trailing-edge-dimmer-waveform-diagram.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">S\u01a1 \u0111\u1ed3 d\u1ea1ng s\u00f3ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u Kh\u00e1i Ni\u1ec7m<\/h3>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i thu\u1ed9c <strong>h\u1ecd \u0111i\u1ec1u ch\u1ec9nh c\u1eaft pha<\/strong>. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng s\u1eeda \u0111\u1ed5i s\u00f3ng sin AC c\u1ea5p ngu\u1ed3n cho t\u1ea3i chi\u1ebfu s\u00e1ng. B\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf m\u1ed9t ph\u1ea7n d\u1ea1ng s\u00f3ng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 \u0111i\u1ec7n \u00e1p RMS c\u1ea5p cho \u0111\u00e8n.<\/p>\n\n\n\n<p>T\u00f4i th\u01b0\u1eddng gi\u1ea3i th\u00edch m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng d\u1ea1ng s\u00f3ng AC nh\u01b0 m\u1ed9t l\u00e0n s\u00f3ng li\u00ean t\u1ee5c. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng cho ph\u00e9p s\u00f3ng b\u1eaft \u0111\u1ea7u b\u00ecnh th\u01b0\u1eddng. Sau \u0111\u00f3, n\u00f3 t\u1eaft d\u00f2ng \u0111i\u1ec7n tr\u01b0\u1edbc khi s\u00f3ng k\u1ebft th\u00fac. S\u1ef1 c\u1eaft n\u00e0y l\u00e0m gi\u1ea3m t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ebfn \u0111\u00e8n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Th\u1eddi Gian C\u1eaft Pha<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Pha<\/th><th>H\u00e0nh \u0111\u1ed9ng<\/th><th>K\u1ebft qu\u1ea3<\/th><\/tr><\/thead><tbody><tr><td>B\u1eaft \u0111\u1ea7u chu k\u1ef3<\/td><td>\u0110i\u1ec7n \u00e1p ch\u1ea1y b\u00ecnh th\u01b0\u1eddng<\/td><td>\u0110\u00e8n nh\u1eadn \u0111i\u1ec7n \u00e1p \u0111\u1ea7y \u0111\u1ee7 trong th\u1eddi gian ng\u1eafn<\/td><\/tr><tr><td>K\u1ebft th\u00fac chu k\u1ef3<\/td><td>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng t\u1eaft \u0111\u1ea7u ra<\/td><td>Gi\u1ea3m t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng<\/td><\/tr><tr><td>L\u1eb7p l\u1ea1i m\u1ed7i n\u1eeda chu k\u1ef3<\/td><td>\u0110i\u1ec1u ch\u1ec9nh li\u00ean t\u1ee5c<\/td><td>Ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i Sao Ph\u01b0\u01a1ng Ph\u00e1p N\u00e0y Quan Tr\u1ecdng<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi <strong>t\u1ea3i \u0111i\u1ec7n t\u1eed<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED. Nhi\u1ec1u b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED ch\u1ee9a t\u1ee5 \u0111i\u1ec7n b\u00ean trong. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y t\u01b0\u01a1ng t\u00e1c t\u1ed1t h\u01a1n v\u1edbi s\u1ef1 t\u0103ng \u0111i\u1ec7n \u00e1p s\u1ea1ch thay v\u00ec kh\u1edfi \u0111\u1ea7u \u0111\u1ed9t ng\u1ed9t.<\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i th\u01b0\u1eddng t\u1ea1o ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00cdt ti\u1ebfng \u1ed3n \u00e2m thanh h\u01a1n<\/li>\n\n\n\n<li>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u1edf m\u1ee9c th\u1ea5p t\u1ed1t h\u01a1n<\/li>\n\n\n\n<li>Gi\u1ea3m nh\u1ea5p nh\u00e1y<\/li>\n\n\n\n<li>T\u01b0\u01a1ng th\u00edch cao h\u01a1n v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Hi\u1ec3u C\u00e1c Nguy\u00ean T\u1eafc C\u01a1 B\u1ea3n c\u1ee7a \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau<\/h2>\n\n\n\n<p>Nhi\u1ec1u chuy\u00ean gia chi\u1ebfu s\u00e1ng hi\u1ec3u thu\u1eadt ng\u1eef \u0111i\u1ec1u ch\u1ec9nh c\u1eaft pha nh\u01b0ng g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c h\u00ecnh dung c\u00e1ch d\u1ea1ng s\u00f3ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch cho \u0111i\u1ec7n \u00e1p AC b\u1eaft \u0111\u1ea7u b\u00ecnh th\u01b0\u1eddng v\u00e0 sau \u0111\u00f3 t\u1eaft d\u00f2ng \u0111i\u1ec7n b\u1eb1ng \u0111i\u1ec7n t\u1eed tr\u01b0\u1edbc khi d\u1ea1ng s\u00f3ng k\u1ebft th\u00fac m\u1ed7i n\u1eeda chu k\u1ef3.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"582\" height=\"277\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/AC-waveform-trailing-edge-dimming-diagram.png\" alt=\"\" class=\"wp-image-17676\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/AC-waveform-trailing-edge-dimming-diagram.png 582w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/AC-waveform-trailing-edge-dimming-diagram-300x143.png 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/AC-waveform-trailing-edge-dimming-diagram-18x9.png 18w\" sizes=\"(max-width: 582px) 100vw, 582px\" \/><figcaption class=\"wp-element-caption\">S\u01a1 \u0111\u1ed3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft cu\u1ed1i d\u1ea1ng s\u00f3ng AC<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ea1ng S\u00f3ng AC trong H\u1ec7 Th\u1ed1ng Chi\u1ebfu S\u00e1ng<\/h3>\n\n\n\n<p>Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng, \u0111i\u1ec7n \u00e1p tu\u00e2n theo <strong>d\u1ea1ng s\u00f3ng sin<\/strong>. M\u1ed7i chu k\u1ef3 bao g\u1ed3m m\u1ed9t n\u1eeda d\u01b0\u01a1ng v\u00e0 m\u1ed9t n\u1eeda \u00e2m.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111i\u1ec1u khi\u1ec3n d\u1ea1ng s\u00f3ng n\u00e0y. Thay v\u00ec truy\u1ec1n to\u00e0n b\u1ed9 s\u00f3ng sin \u0111\u1ebfn t\u1ea3i, n\u00f3 lo\u1ea1i b\u1ecf m\u1ed9t ph\u1ea7n c\u1ee7a n\u00f3.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">So S\u00e1nh C\u00e1c D\u1ea1ng S\u00f3ng<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ch\u1ebf \u0111\u1ed9<\/th><th>B\u1eaft \u0111\u1ea7u d\u1ea1ng s\u00f3ng<\/th><th>K\u1ebft th\u00fac d\u1ea1ng s\u00f3ng<\/th><th>T\u1ea3i \u0111i\u1ec3n h\u00ecnh<\/th><\/tr><\/thead><tbody><tr><td>Kh\u00f4ng \u0111i\u1ec1u ch\u1ec9nh<\/td><td>B\u00ecnh th\u01b0\u1eddng<\/td><td>B\u00ecnh th\u01b0\u1eddng<\/td><td>\u0110\u1ed9 s\u00e1ng \u0111\u1ea7y \u0111\u1ee7<\/td><\/tr><tr><td>C\u1eaft \u0111\u1ea7u (leading edge)<\/td><td>B\u1eaft \u0111\u1ea7u tr\u1ec5<\/td><td>K\u1ebft th\u00fac b\u00ecnh th\u01b0\u1eddng<\/td><td>\u0110\u00e8n s\u1ee3i \u0111\u1ed1t<\/td><\/tr><tr><td>C\u1eaft cu\u1ed1i (trailing edge)<\/td><td>B\u1eaft \u0111\u1ea7u b\u00ecnh th\u01b0\u1eddng<\/td><td>C\u1eaft s\u1edbm<\/td><td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1i Sao LED \u01afu Ti\u00ean \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED th\u01b0\u1eddng ch\u1ee9a <strong>ngu\u1ed3n chuy\u1ec3n m\u1ea1ch<\/strong>. C\u00e1c m\u1ea1ch n\u00e0y ph\u1ea3n \u1ee9ng kh\u00e1c v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p so v\u1edbi \u0111\u00e8n s\u1ee3i \u0111\u1ed1t.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft \u0111\u1ea7u t\u1ea1o ra m\u1ed9t \u0111\u1ec9nh \u0111i\u1ec7n \u00e1p s\u1eafc n\u00e9t \u1edf \u0111\u1ea7u m\u1ed7i chu k\u1ef3. \u0110\u1ec9nh n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u1ee9ng su\u1ea5t driver<\/li>\n\n\n\n<li>nh\u1ea5p nh\u00e1y<\/li>\n\n\n\n<li>ti\u1ebfng \u1ed3n<\/li>\n\n\n\n<li>\u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/li>\n<\/ul>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau tr\u00e1nh \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 n\u00e0y. \u0110i\u1ec7n \u00e1p t\u0103ng m\u01b0\u1ee3t m\u00e0 v\u00e0 ch\u1ec9 t\u1eaft \u1edf ph\u1ea7n cu\u1ed1i chu k\u1ef3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u01a1 Ch\u1ebf Gi\u1ea3m C\u00f4ng Su\u1ea5t<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">B\u1ea3ng Ki\u1ec3m So\u00e1t N\u0103ng L\u01b0\u1ee3ng<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee9c \u0111\u1ed9 s\u00e1ng<\/th><th>\u0110\u1ed9 d\u00e0i d\u1ea1ng s\u00f3ng<\/th><th>N\u0103ng l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i<\/th><\/tr><\/thead><tbody><tr><td>100%<\/td><td>D\u1ea1ng s\u00f3ng sin \u0111\u1ea7y \u0111\u1ee7<\/td><td>C\u00f4ng su\u1ea5t t\u1ed1i \u0111a<\/td><\/tr><tr><td>75%<\/td><td>C\u1eaft nh\u1eb9<\/td><td>C\u00f4ng su\u1ea5t gi\u1ea3m<\/td><\/tr><tr><td>50%<\/td><td>N\u1eeda d\u1ea1ng s\u00f3ng<\/td><td>C\u00f4ng su\u1ea5t trung b\u00ecnh<\/td><\/tr><tr><td>25%<\/td><td>C\u1eaft l\u1edbn<\/td><td>C\u00f4ng su\u1ea5t th\u1ea5p<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng li\u00ean t\u1ee5c \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m c\u1eaft. S\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9ng n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0 t\u1eeb c\u00f4ng su\u1ea5t t\u1ed1i \u0111a \u0111\u1ebfn m\u1ee9c \u00e1nh s\u00e1ng th\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i Sao B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau L\u00fd T\u01b0\u1edfng cho Chi\u1ebfu S\u00e1ng LED Hi\u1ec7n \u0110\u1ea1i<\/h2>\n\n\n\n<p>Nhi\u1ec1u k\u1ef9 s\u01b0 chi\u1ebfu s\u00e1ng ph\u00e1t hi\u1ec7n r\u1eb1ng c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u0169 g\u1eb7p kh\u00f3 kh\u0103n v\u1edbi h\u1ec7 th\u1ed1ng LED. Nh\u1ea5p nh\u00e1y v\u00e0 ti\u1ebfng \u1ed3n xu\u1ea5t hi\u1ec7n khi s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 kh\u00f4ng t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00ec ch\u00fang ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi driver LED \u0111i\u1ec7n t\u1eed v\u00e0 t\u1ea3i c\u00f4ng su\u1ea5t th\u1ea5p.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system-1024x683.jpg\" alt=\"\" class=\"wp-image-17677\" style=\"width:640px\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system-1024x683.jpg 1024w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system-300x200.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system-768x512.jpg 768w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system-18x12.jpg 18w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/modern-led-lighting-dimming-control-system.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng chi\u1ebfu s\u00e1ng LED hi\u1ec7n \u0111\u1ea1i<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u01b0\u01a1ng Th\u00edch v\u1edbi B\u1ed9 \u0110i\u1ec1u Khi\u1ec3n \u0110i\u1ec7n T\u1eed<\/h3>\n\n\n\n<p>Driver LED hi\u1ec7n \u0111\u1ea1i ch\u1ee9a c\u00e1c linh ki\u1ec7n b\u00ean trong nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>b\u1ed9 ch\u1ec9nh l\u01b0u c\u1ea7u<\/li>\n\n\n\n<li>t\u1ee5 \u0111i\u1ec7n<\/li>\n\n\n\n<li>b\u1ed9 chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n m\u1ea1ch<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c m\u1ea1ch n\u00e0y y\u00eau c\u1ea7u chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p \u1ed5n \u0111\u1ecbnh. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau t\u1ea1o ra chuy\u1ec3n m\u1ea1ch m\u01b0\u1ee3t m\u00e0 h\u01a1n so v\u1edbi thi\u1ebft b\u1ecb c\u1eaft bi\u00ean tr\u01b0\u1edbc.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">B\u1ea3ng T\u01b0\u01a1ng Th\u00edch<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i t\u1ea3i<\/th><th>C\u1eaft bi\u00ean tr\u01b0\u1edbc<\/th><th>C\u1eaft bi\u00ean sau<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u00e8n s\u1ee3i \u0111\u1ed1t<\/td><td>Xu\u1ea5t s\u1eafc<\/td><td>T\u1ed1t<\/td><\/tr><tr><td>\u0110\u00e8n halogen<\/td><td>Xu\u1ea5t s\u1eafc<\/td><td>T\u1ed1t<\/td><\/tr><tr><td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED<\/td><td>H\u1ea1n ch\u1ebf<\/td><td>Xu\u1ea5t s\u1eafc<\/td><\/tr><tr><td>Bi\u1ebfn \u00e1p \u0111i\u1ec7n t\u1eed<\/td><td>Trung b\u00ecnh<\/td><td>Xu\u1ea5t s\u1eafc<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea3i Thi\u1ec7n Hi\u1ec7u Su\u1ea5t T\u1ea3i Th\u1ea5p<\/h3>\n\n\n\n<p>H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng LED th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00f4ng su\u1ea5t th\u1ea5p. B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng y\u00eau c\u1ea7u <strong>t\u1ea3i t\u1ed1i thi\u1ec3u<\/strong> \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f4ng su\u1ea5t th\u1ea5p n\u00e0y. Ch\u00fang c\u00f3 th\u1ec3 duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh ngay c\u1ea3 khi t\u1ea3i nh\u1ecf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3m Nhi\u1ec5u \u0110i\u1ec7n<\/h3>\n\n\n\n<p>M\u1ed9t l\u1ee3i \u00edch kh\u00e1c t\u00f4i th\u01b0\u1eddng nh\u1eadn th\u1ea5y l\u00e0 gi\u1ea3m nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. \u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau t\u1ea1o ra \u00edt nhi\u1ec5u \u0111i\u1ec7n h\u01a1n v\u00ec d\u1ea1ng s\u00f3ng b\u1eaft \u0111\u1ea7u t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n<p>S\u1ef1 c\u1ea3i thi\u1ec7n n\u00e0y mang l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>v\u1eadn h\u00e0nh \u00eam h\u01a1n<\/li>\n\n\n\n<li>\u00edt nhi\u1ec5u h\u01a1n v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c<\/li>\n\n\n\n<li>ph\u1ea3n h\u1ed3i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u01b0\u1ee3t m\u00e0 h\u01a1n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/www.lamps-on-line.com\/leading-trailing-edge-led-dimmers\" data-type=\"link\" data-id=\"https:\/\/www.lamps-on-line.com\/leading-trailing-edge-led-dimmers\">Kh\u00e1c Bi\u1ec7t Gi\u1eefa \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Tr\u01b0\u1edbc v\u00e0 C\u1ea1nh Sau<\/a><\/h2>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi nh\u1ea7m l\u1eabn gi\u1eefa hai c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng n\u00e0y. Tuy nhi\u00ean, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang r\u1ea5t kh\u00e1c nhau.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean tr\u01b0\u1edbc c\u1eaft ph\u1ea7n \u0111\u1ea7u c\u1ee7a d\u1ea1ng s\u00f3ng AC, trong khi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau c\u1eaft ph\u1ea7n cu\u1ed1i c\u1ee7a d\u1ea1ng s\u00f3ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"458\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2025\/12\/Leading-edge-vs-trailing-edge-waveform.jpg\" alt=\"\" class=\"wp-image-17394\" style=\"width:600px\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2025\/12\/Leading-edge-vs-trailing-edge-waveform.jpg 800w, https:\/\/boqiled.com\/wp-content\/uploads\/2025\/12\/Leading-edge-vs-trailing-edge-waveform-300x172.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2025\/12\/Leading-edge-vs-trailing-edge-waveform-768x440.jpg 768w, https:\/\/boqiled.com\/wp-content\/uploads\/2025\/12\/Leading-edge-vs-trailing-edge-waveform-18x10.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">So s\u00e1nh d\u1ea1ng s\u00f3ng c\u1eaft bi\u00ean tr\u01b0\u1edbc v\u00e0 c\u1eaft bi\u00ean sau<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Nguy\u00ean T\u1eafc Ho\u1ea1t \u0110\u1ed9ng C\u01a1 B\u1ea3n<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean tr\u01b0\u1edbc d\u1ef1a v\u00e0o linh ki\u1ec7n TRIAC k\u00edch ho\u1ea1t sau m\u1ed9t \u0111\u1ed9 tr\u1ec5. D\u1ea1ng s\u00f3ng b\u1eaft \u0111\u1ea7u \u0111\u1ed9t ng\u1ed9t khi TRIAC k\u00edch ho\u1ea1t.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft bi\u00ean sau ho\u1ea1t \u0111\u1ed9ng kh\u00e1c bi\u1ec7t. Ch\u00fang cho ph\u00e9p d\u1ea1ng s\u00f3ng b\u1eaft \u0111\u1ea7u b\u00ecnh th\u01b0\u1eddng v\u00e0 sau \u0111\u00f3 ng\u1eaft d\u00f2ng \u0111i\u1ec7n \u1edf ph\u1ea7n cu\u1ed1i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">So S\u00e1nh K\u1ef9 Thu\u1eadt<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>T\u00ednh n\u0103ng<\/th><th>C\u1eaft bi\u00ean tr\u01b0\u1edbc<\/th><th>C\u1eaft bi\u00ean sau<\/th><\/tr><\/thead><tbody><tr><td>Ki\u1ec3m so\u00e1t d\u1ea1ng s\u00f3ng<\/td><td>C\u1eaft \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u<\/td><td>C\u1eaft \u0111i\u1ec3m k\u1ebft th\u00fac<\/td><\/tr><tr><td>Linh ki\u1ec7n chuy\u1ec3n m\u1ea1ch<\/td><td>TRIAC<\/td><td>MOSFET<\/td><\/tr><tr><td>M\u1ee9c \u0111\u1ed9 ti\u1ebfng \u1ed3n<\/td><td>Cao h\u01a1n<\/td><td>Th\u1ea5p h\u01a1n<\/td><\/tr><tr><td>T\u01b0\u01a1ng th\u00edch LED<\/td><td>Trung b\u00ecnh<\/td><td>Xu\u1ea5t s\u1eafc<\/td><\/tr><tr><td>\u0110\u1ed9 m\u01b0\u1ee3t khi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/td><td>H\u1ea1n ch\u1ebf<\/td><td>M\u01b0\u1ee3t m\u00e0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00e1c \u0110\u1ed9ng \u0111\u1ebfn H\u1ec7 Th\u1ed1ng LED<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ki\u1ec3u Leading edge th\u01b0\u1eddng t\u1ea1o ra:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ti\u1ebfng k\u00eau \u00f9<\/li>\n\n\n\n<li>hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c<\/li>\n\n\n\n<li>\u0111\u1ed9 s\u00e1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/li>\n<\/ul>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ki\u1ec3u Trailing edge gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00ec ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n m\u1ea1ch c\u1ee7a ch\u00fang nh\u1eb9 nh\u00e0ng h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00ed D\u1ee5 Th\u1ef1c T\u1ebf<\/h3>\n\n\n\n<p>Trong nhi\u1ec1u d\u1ef1 \u00e1n t\u00f4i \u0111\u00e3 th\u1ef1c hi\u1ec7n, vi\u1ec7c thay th\u1ebf b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Leading edge b\u1eb1ng thi\u1ebft b\u1ecb Trailing edge \u0111\u00e3 ngay l\u1eadp t\u1ee9c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 nh\u1ea5p nh\u00e1y. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED ph\u1ea3n h\u1ed3i t\u1ed1t h\u01a1n nhi\u1ec1u sau khi thay \u0111\u1ed5i c\u00e1ch chuy\u1ec3n m\u1ea1ch d\u1ea1ng s\u00f3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c Th\u00e0nh Ph\u1ea7n Ch\u00ednh B\u00ean Trong B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau<\/h2>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng xem b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng nh\u01b0 m\u1ed9t n\u00fam xoay \u0111\u01a1n gi\u1ea3n. Tuy nhi\u00ean, b\u00ean trong thi\u1ebft b\u1ecb l\u00e0 m\u1ed9t m\u1ea1ch \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Trailing edge s\u1eed d\u1ee5ng c\u00f4ng t\u1eafc b\u00e1n d\u1eabn, m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n v\u00e0 linh ki\u1ec7n b\u1ea3o v\u1ec7 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh d\u1ea1ng s\u00f3ng AC.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"494\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Internal-components-of-trailing-edge-dimmer-circuit.jpg\" alt=\"\" class=\"wp-image-17678\" style=\"width:600px\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Internal-components-of-trailing-edge-dimmer-circuit.jpg 1016w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Internal-components-of-trailing-edge-dimmer-circuit-300x146.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Internal-components-of-trailing-edge-dimmer-circuit-768x373.jpg 768w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/Internal-components-of-trailing-edge-dimmer-circuit-18x9.jpg 18w\" sizes=\"(max-width: 1016px) 100vw, 1016px\" \/><figcaption class=\"wp-element-caption\">Linh ki\u1ec7n b\u00ean trong m\u1ea1ch c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Trailing edge<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c Y\u1ebfu T\u1ed1 Ph\u1ea7n C\u1ee9ng Ch\u00ednh<\/h3>\n\n\n\n<p>C\u00e1c linh ki\u1ec7n \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>transistor chuy\u1ec3n m\u1ea1ch<\/li>\n\n\n\n<li>vi m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n<\/li>\n\n\n\n<li>m\u1ea1ch c\u1ea3m bi\u1ebfn<\/li>\n\n\n\n<li>m\u00f4-\u0111un b\u1ea3o v\u1ec7<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c linh ki\u1ec7n n\u00e0y ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t th\u1eddi \u0111i\u1ec3m c\u1eaft pha.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ebfn Tr\u00fac N\u1ed9i B\u1ed9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">B\u1ea3ng Ch\u1ee9c N\u0103ng Th\u00e0nh Ph\u1ea7n<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Linh ki\u1ec7n<\/th><th>Vai tr\u00f2<\/th><\/tr><\/thead><tbody><tr><td>MOSFET ho\u1eb7c transistor<\/td><td>Chuy\u1ec3n m\u1ea1ch d\u00f2ng \u0111i\u1ec7n AC<\/td><\/tr><tr><td>IC \u0111i\u1ec1u khi\u1ec3n<\/td><td>X\u00e1c \u0111\u1ecbnh g\u00f3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/td><\/tr><tr><td>T\u1ee5 \u0111i\u1ec7n<\/td><td>L\u1ecdc nhi\u1ec5u<\/td><\/tr><tr><td>C\u1ea3m bi\u1ebfn nhi\u1ec7t<\/td><td>Ng\u0103n ng\u1eeba qu\u00e1 nhi\u1ec7t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u01b0\u01a1ng T\u00e1c Gi\u1eefa C\u00e1c Th\u00e0nh Ph\u1ea7n<\/h3>\n\n\n\n<p>Khi ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u ch\u1ec9nh n\u00fam xoay, m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n t\u00ednh to\u00e1n g\u00f3c pha m\u1edbi. Transistor chuy\u1ec3n m\u1ea1ch sau \u0111\u00f3 t\u1eaft d\u1ea1ng s\u00f3ng t\u1ea1i th\u1eddi \u0111i\u1ec3m ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>M\u1ea1ch b\u1ea3o v\u1ec7 li\u00ean t\u1ee5c gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng. N\u1ebfu x\u1ea3y ra \u0111i\u1ec1u ki\u1ec7n b\u1ea5t th\u01b0\u1eddng, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng t\u1ef1 \u0111\u1ed9ng t\u1eaft \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00ednh n\u00f3 v\u00e0 t\u1ea3i k\u1ebft n\u1ed1i.<\/p>\n\n\n\n<p>S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111i\u1ec1u khi\u1ec3n v\u00e0 b\u1ea3o v\u1ec7 n\u00e0y l\u00e0m cho b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Trailing edge hi\u1ec7n \u0111\u1ea1i tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady cho c\u00e1c \u1ee9ng d\u1ee5ng chi\u1ebfu s\u00e1ng d\u00e0i h\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch C\u00f4ng Ngh\u1ec7 C\u1eaft Pha Ki\u1ec3m So\u00e1t \u0110\u1ed9 S\u00e1ng<\/h2>\n\n\n\n<p>Nhi\u1ec1u nh\u00e0 thi\u1ebft k\u1ebf chi\u1ebfu s\u00e1ng bi\u1ebft r\u1eb1ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng l\u00e0m gi\u1ea3m \u0111\u1ed9 s\u00e1ng. Nh\u01b0ng \u00edt ng\u01b0\u1eddi hi\u1ec3u \u0111\u01b0\u1ee3c c\u01a1 ch\u1ebf \u0111i\u1ec7n \u0111\u1eb1ng sau qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 c\u1eaft pha ki\u1ec3m so\u00e1t \u0111\u1ea7u ra \u00e1nh s\u00e1ng b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf m\u1ed9t ph\u1ea7n c\u1ee7a m\u1ed7i chu k\u1ef3 d\u1ea1ng s\u00f3ng AC, gi\u00fap gi\u1ea3m \u0111i\u1ec7n \u00e1p RMS cung c\u1ea5p cho t\u1ea3i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gi\u1ea3m \u0110i\u1ec7n \u00c1p RMS<\/h3>\n\n\n\n<p>\u0110\u1ed9 s\u00e1ng c\u1ee7a nhi\u1ec1u lo\u1ea1i t\u1ea3i chi\u1ebfu s\u00e1ng ph\u1ee5 thu\u1ed9c v\u00e0o <strong>\u0111i\u1ec7n \u00e1p RMS<\/strong> \u0111\u01b0\u1ee3c cung c\u1ea5p cho ch\u00fang.<\/p>\n\n\n\n<p>Khi b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft m\u1ed9t ph\u1ea7n d\u1ea1ng s\u00f3ng, \u0111i\u1ec7n \u00e1p RMS gi\u1ea3m xu\u1ed1ng. \u0110i\u1ec7n \u00e1p th\u1ea5p h\u01a1n c\u00f3 ngh\u0129a l\u00e0 c\u00f4ng su\u1ea5t \u0111i\u1ec7n \u00edt h\u01a1n v\u00e0 do \u0111\u00f3 \u0111\u1ea7u ra \u00e1nh s\u00e1ng th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ed1i Quan H\u1ec7 C\u00f4ng Su\u1ea5t<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">M\u1ed1i Quan H\u1ec7 \u0110i\u1ec7n \u00c1p v\u00e0 C\u00f4ng Su\u1ea5t<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>M\u1ee9c \u0111\u1ed9 s\u00e1ng<\/th><th>\u0110i\u1ec7n \u00e1p RMS<\/th><th>C\u00f4ng su\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i<\/th><\/tr><\/thead><tbody><tr><td>100%<\/td><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7y \u0111\u1ee7<\/td><td>100%<\/td><\/tr><tr><td>75%<\/td><td>Gi\u1ea3m<\/td><td>75%<\/td><\/tr><tr><td>50%<\/td><td>Trung b\u00ecnh<\/td><td>50%<\/td><\/tr><tr><td>25%<\/td><td>Th\u1ea5p<\/td><td>25%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m So\u00e1t Li\u00ean T\u1ee5c<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec3m c\u1eaft trong m\u1ed7i n\u1eeda chu k\u1ef3. S\u1ef1 \u0111i\u1ec1u ch\u1ec9nh nhanh ch\u00f3ng n\u00e0y di\u1ec5n ra nhi\u1ec1u l\u1ea7n m\u1ed7i gi\u00e2y.<\/p>\n\n\n\n<p>V\u00ec ngu\u1ed3n \u0111i\u1ec7n AC dao \u0111\u1ed9ng nhanh, m\u1eaft ng\u01b0\u1eddi c\u1ea3m nh\u1eadn \u00e1nh s\u00e1ng nh\u01b0 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh li\u00ean t\u1ee5c thay v\u00ec nh\u1ea5p nh\u00e1y.<\/p>\n\n\n\n<p>K\u1ef9 thu\u1eadt n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng ch\u00ednh x\u00e1c m\u00e0 kh\u00f4ng thay \u0111\u1ed5i t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nguy\u00ean T\u1eafc Ho\u1ea1t \u0110\u1ed9ng c\u1ee7a B\u1ed9 \u0110i\u1ec1u Ch\u1ec9nh \u0110\u1ed9 S\u00e1ng C\u1ea1nh Sau BQ-TTDIM<\/h2>\n\n\n\n<p>Nhi\u1ec1u b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng tr\u00f4ng gi\u1ed1ng nhau b\u00ean ngo\u00e0i. Tuy nhi\u00ean, thi\u1ebft k\u1ebf n\u1ed9i b\u1ed9 v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng Trailing edge BQ-TTDIM ki\u1ec3m so\u00e1t \u0111\u1ed9 s\u00e1ng LED th\u00f4ng qua \u0111i\u1ec1u khi\u1ec3n c\u1eaft pha xoay, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u00e8n truy\u1ec1n th\u1ed1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><a href=\"https:\/\/boqiled.com\/products\/led-dimmer\/triac-dimmer\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1-1024x683.jpg\" alt=\"\" class=\"wp-image-17680\" style=\"width:600px;height:auto\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1-1024x683.jpg 1024w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1-300x200.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1-768x512.jpg 768w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1-18x12.jpg 18w, https:\/\/boqiled.com\/wp-content\/uploads\/2026\/03\/BQ-TTDIM-rotary-dimmer-panel1.jpg 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/boqiled.com\/products\/led-dimmer\/triac-dimmer\/\">BQ-TTDIM<\/a> b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng xoay<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed5ng Quan Thi\u1ebft B\u1ecb<\/h3>\n\n\n\n<p>Theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ea3n ph\u1ea9m, BQ-TTDIM l\u00e0 <strong>b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft pha AC xoay v\u1edbi m\u1ed9t k\u00eanh \u0111\u1ea7u ra<\/strong> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho \u0111\u00e8n LED c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng, \u0111\u00e8n s\u1ee3i \u0111\u1ed1t v\u00e0 \u0111\u00e8n halogen.<\/p>\n\n\n\n<p>Thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>Gi\u00e1 tr\u1ecb<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o<\/td><td>AC200-240V<\/td><\/tr><tr><td>D\u00f2ng \u0111i\u1ec7n \u0111\u1ea7u ra<\/td><td>T\u1ed1i \u0111a 1,25A<\/td><\/tr><tr><td>C\u00f4ng su\u1ea5t \u0111\u1ea7u ra<\/td><td>3-400W<\/td><\/tr><tr><td>Ph\u1ea1m vi l\u00e0m m\u1edd<\/td><td>0-100%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u0111\u01b0\u1ee3c l\u1ea5y tr\u1ef1c ti\u1ebfp t\u1eeb b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Giao Di\u1ec7n \u0110i\u1ec1u Khi\u1ec3n<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng s\u1eed d\u1ee5ng n\u00fam xoay. Ng\u01b0\u1eddi d\u00f9ng xoay n\u00fam \u0111\u1ec3 thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng v\u00e0 nh\u1ea5n \u0111\u1ec3 b\u1eadt ho\u1eb7c t\u1eaft \u0111\u00e8n.<\/p>\n\n\n\n<p>Thi\u1ebft b\u1ecb c\u0169ng h\u1ed7 tr\u1ee3 <strong>c\u00e0i \u0111\u1eb7t \u0111\u1ed9 s\u00e1ng t\u1ed1i thi\u1ec3u<\/strong> v\u00e0 ch\u1ee9c n\u0103ng ghi nh\u1edb. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00f4i Tr\u01b0\u1eddng Ho\u1ea1t \u0110\u1ed9ng<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tham s\u1ed1<\/th><th>S\u1ef1 ch\u1ec9 r\u00f5<\/th><\/tr><\/thead><tbody><tr><td>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/td><td>\u221230\u00b0C \u0111\u1ebfn +55\u00b0C<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 v\u1ecf<\/td><td>L\u00ean \u0111\u1ebfn 85\u00b0C<\/td><\/tr><tr><td>Ch\u1ec9 s\u1ed1 IP<\/td><td>IP20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y \u0111\u1ea3m b\u1ea3o b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t trong nh\u00e0 \u0111i\u1ec3n h\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy Tr\u00ecnh T\u1eebng B\u01b0\u1edbc c\u1ee7a C\u1eaft Pha C\u1ea1nh Sau<\/h2>\n\n\n\n<p>Nhi\u1ec1u k\u1ef9 s\u01b0 th\u1eafc m\u1eafc c\u00e1ch b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng th\u1ef1c s\u1ef1 \u0111i\u1ec1u ch\u1ec9nh t\u1eebng chu k\u1ef3 AC theo th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n<p>K\u1ef9 thu\u1eadt c\u1eaft pha m\u00e9p sau ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch theo d\u00f5i d\u1ea1ng s\u00f3ng AC v\u00e0 ng\u1eaft d\u00f2ng \u0111i\u1ec7n g\u1ea7n cu\u1ed1i m\u1ed7i n\u1eeda chu k\u1ef3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chu\u1ed7i \u0110i\u1ec1u Khi\u1ec3n Pha<\/h3>\n\n\n\n<p>M\u1ed7i chu k\u1ef3 AC tr\u1ea3i qua m\u1ed9t chu\u1ed7i thao t\u00e1c \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi m\u1ea1ch \u0111i\u1ec7n t\u1eed c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Tr\u00ecnh T\u1ef1 Ho\u1ea1t \u0110\u1ed9ng<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>B\u01b0\u1edbc<\/th><th>H\u00e0nh \u0111\u1ed9ng<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Ph\u00e1t hi\u1ec7n \u0111i\u1ec3m qua zero<\/td><\/tr><tr><td>2<\/td><td>Cho ph\u00e9p \u0111i\u1ec7n \u00e1p t\u0103ng b\u00ecnh th\u01b0\u1eddng<\/td><\/tr><tr><td>3<\/td><td>T\u00ednh to\u00e1n m\u1ee9c \u0111\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/td><\/tr><tr><td>4<\/td><td>Ng\u1eaft d\u00f2ng \u0111i\u1ec7n tr\u01b0\u1edbc khi k\u1ebft th\u00fac d\u1ea1ng s\u00f3ng<\/td><\/tr><tr><td>5<\/td><td>L\u1eb7p l\u1ea1i m\u1ed7i chu k\u1ef3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m So\u00e1t Th\u1eddi Gian<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ph\u1ea3i ki\u1ec3m so\u00e1t vi\u1ec7c chuy\u1ec3n m\u1ea1ch v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Ngay c\u1ea3 thay \u0111\u1ed5i nh\u1ecf v\u1ec1 th\u1eddi gian c\u0169ng c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>c\u1eaft mu\u1ed9n \u2192 \u0111\u00e8n s\u00e1ng h\u01a1n<\/li>\n\n\n\n<li>c\u1eaft s\u1edbm \u2192 \u0111\u00e8n t\u1ed1i h\u01a1n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u1ea3n H\u1ed3i Li\u00ean T\u1ee5c<\/h3>\n\n\n\n<p>M\u1ea1ch \u0111i\u1ec1u khi\u1ec3n l\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh n\u00e0y cho m\u1ed7i n\u1eeda chu k\u1ef3 c\u1ee7a ngu\u1ed3n AC. V\u00ec chu k\u1ef3 AC x\u1ea3y ra 50 ho\u1eb7c 60 l\u1ea7n m\u1ed7i gi\u00e2y, vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u00f3 c\u1ea3m gi\u00e1c t\u1ee9c th\u1eddi \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<p>Ki\u1ec3m so\u00e1t th\u1eddi gian ch\u00ednh x\u00e1c n\u00e0y l\u00e0 c\u00f4ng ngh\u1ec7 c\u1ed1t l\u00f5i \u0111\u1eb1ng sau h\u1ec7 th\u1ed1ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng c\u1eaft pha.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch BQ-TTDIM \u0110i\u1ec1u Ch\u1ec9nh \u0110i\u1ec7n \u00c1p \u0111\u1ec3 Gi\u1ea3m S\u00e1ng \u0110\u00e8n LED<\/h2>\n\n\n\n<p>Nhi\u1ec1u ng\u01b0\u1eddi ngh\u0129 r\u1eb1ng b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 gi\u1ea3m \u0111i\u1ec7n \u00e1p. Tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 ki\u1ec3m so\u00e1t h\u00ecnh d\u1ea1ng d\u1ea1ng s\u00f3ng thay v\u00ec tr\u1ef1c ti\u1ebfp h\u1ea1 th\u1ea5p \u0111i\u1ec7n \u00e1p ngu\u1ed3n.<\/p>\n\n\n\n<p>BQ-TTDIM \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng \u0111\u1ebfn b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED b\u1eb1ng c\u00e1ch c\u1eaft m\u1ed9t ph\u1ea7n d\u1ea1ng s\u00f3ng AC th\u00f4ng qua \u0111i\u1ec1u khi\u1ec3n pha.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/boqiled.com\/products\/triac-dimmable-led-driver\/triac-led-driver-75-240w-constant-voltage\/\"><img loading=\"lazy\" decoding=\"async\" width=\"536\" height=\"358\" src=\"https:\/\/boqiled.com\/wp-content\/uploads\/2025\/07\/Compatible-with-both-forward-phase-and-reverse-phase-dimmers.jpg\" alt=\"\" class=\"wp-image-13845\" style=\"width:536px;height:auto\" srcset=\"https:\/\/boqiled.com\/wp-content\/uploads\/2025\/07\/Compatible-with-both-forward-phase-and-reverse-phase-dimmers.jpg 536w, https:\/\/boqiled.com\/wp-content\/uploads\/2025\/07\/Compatible-with-both-forward-phase-and-reverse-phase-dimmers-300x200.jpg 300w, https:\/\/boqiled.com\/wp-content\/uploads\/2025\/07\/Compatible-with-both-forward-phase-and-reverse-phase-dimmers-18x12.jpg 18w\" sizes=\"(max-width: 536px) 100vw, 536px\" \/><\/a><figcaption class=\"wp-element-caption\">boqi <a href=\"https:\/\/boqiled.com\/products\/triac-dimmable-led-driver\/\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng<\/a> t\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ea3 b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng pha thu\u1eadn v\u00e0 pha ng\u01b0\u1ee3c<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ki\u1ec3m So\u00e1t \u0110i\u1ec7n \u00c1p Hi\u1ec7u Qu\u1ea3<\/h3>\n\n\n\n<p>Thay v\u00ec thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p ngu\u1ed3n, b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng thay \u0111\u1ed5i <strong>th\u1eddi l\u01b0\u1ee3ng cung c\u1ea5p \u0111i\u1ec7n<\/strong>.<\/p>\n\n\n\n<p>K\u1ef9 thu\u1eadt n\u00e0y l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p RMS m\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">B\u1ea3ng \u0110i\u1ec1u Ch\u1ec9nh \u0110i\u1ec7n \u00c1p<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>G\u00f3c c\u1eaft<\/th><th>\u0110i\u1ec7n \u00e1p hi\u1ec7u d\u1ee5ng<\/th><th>\u0110\u1ed9 s\u00e1ng \u0111\u1ea7u ra<\/th><\/tr><\/thead><tbody><tr><td>C\u1eaft nh\u1ecf<\/td><td>\u0110i\u1ec7n \u00e1p cao<\/td><td>S\u00e1ng<\/td><\/tr><tr><td>C\u1eaft trung b\u00ecnh<\/td><td>\u0110i\u1ec7n \u00e1p trung b\u00ecnh<\/td><td>Trung b\u00ecnh<\/td><\/tr><tr><td>C\u1eaft l\u1edbn<\/td><td>\u0110i\u1ec7n \u00e1p th\u1ea5p<\/td><td>T\u1ed1i<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u01b0\u01a1ng T\u00e1c v\u1edbi B\u1ed9 \u0110i\u1ec1u Khi\u1ec3n LED<\/h3>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n LED di\u1ec5n gi\u1ea3i d\u1ea1ng s\u00f3ng c\u1eaft pha v\u00e0 \u0111i\u1ec1u ch\u1ec9nh d\u00f2ng \u0111i\u1ec7n b\u00ean trong t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd ph\u00e1t hi\u1ec7n h\u00ecnh d\u1ea1ng d\u1ea1ng s\u00f3ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u ra \u0111\u1ebfn \u0111\u00e8n LED.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u00e0nh Vi Gi\u1ea3m S\u00e1ng M\u01b0\u1ee3t M\u00e0<\/h3>\n\n\n\n<p>V\u00ec b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng ki\u1ec3m so\u00e1t th\u1eddi gian r\u1ea5t ch\u00ednh x\u00e1c, thay \u0111\u1ed5i \u0111\u1ed9 s\u00e1ng xu\u1ea5t hi\u1ec7n m\u01b0\u1ee3t m\u00e0 v\u00e0 d\u1ea7n d\u1ea7n.<\/p>\n\n\n\n<p>\u0110\u1eb7c t\u00ednh n\u00e0y quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>chi\u1ebfu s\u00e1ng khu d\u00e2n c\u01b0<\/li>\n\n\n\n<li>chi\u1ebfu s\u00e1ng kh\u00e1ch s\u1ea1n<\/li>\n\n\n\n<li>chi\u1ebfu s\u00e1ng ki\u1ebfn tr\u00fac<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">S\u1ef1 k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>B\u1ed9 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng m\u00e9p sau BQ-TTDIM mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u00e1ng LED m\u01b0\u1ee3t m\u00e0 b\u1eb1ng c\u00e1ch c\u1eaft d\u1ea1ng s\u00f3ng AC g\u1ea7n cu\u1ed1i m\u1ed7i chu k\u1ef3, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u00eam \u00e1i, t\u01b0\u01a1ng th\u00edch cao v\u00e0 hi\u1ec7u su\u1ea5t chi\u1ebfu s\u00e1ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Many LED lights flicker, buzz, or fail to dim smoothly with traditional dimmers. This frustrates designers and installers. I often see projects fail simply because the dimming technology does not match the LED driver. A BQ-TTDIM trailing-edge dimmer controls LED brightness by electronically switching off the AC waveform near the end of each half cycle. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17684,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"How BQ-TTDIM Trailing Edge Dimmer Works for LED Lighting","_seopress_titles_desc":"Learn how the BQ-TTDIM trailing edge dimmer controls LED brightness using phase-cut technology. Discover its working principle, waveform operation, and why it delivers smooth, flicker-free dimming with modern LED drivers. Ideal for designers and installers seeking reliable, low-noise lighting performance and high compatibility with electronic loads.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[549],"tags":[],"class_list":{"0":"post-17668","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-triac-dimmer"},"_links":{"self":[{"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/posts\/17668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/comments?post=17668"}],"version-history":[{"count":0,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/posts\/17668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/media\/17684"}],"wp:attachment":[{"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/media?parent=17668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/categories?post=17668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boqiled.com\/vi\/wp-json\/wp\/v2\/tags?post=17668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}