{"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\/th\/how-does-a-trailing-edge-dimmer-bq-ttdim-work\/","title":{"rendered":"\u0e17\u0e23\u0e32\u0e40\u0e2d\u0e14\u0e08\u0e4c\u0e14\u0e34immer BQ-TTDIM \u0e17\u0e33\u0e07\u0e32\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23?"},"content":{"rendered":"<p>\u0e44\u0e1f LED \u0e08\u0e33\u0e19\u0e27\u0e19\u0e21\u0e32\u0e01\u0e01\u0e30\u0e1e\u0e23\u0e34\u0e1a \u0e21\u0e35\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e23\u0e1a\u0e01\u0e27\u0e19 \u0e2b\u0e23\u0e37\u0e2d\u0e44\u0e21\u0e48\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e1b\u0e23\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e44\u0e14\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e23\u0e32\u0e1a\u0e23\u0e37\u0e48\u0e19\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a\u0e14\u0e31\u0e49\u0e07\u0e40\u0e14\u0e34\u0e21 \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e04\u0e27\u0e32\u0e21\u0e1c\u0e34\u0e14\u0e2b\u0e27\u0e31\u0e07\u0e43\u0e2b\u0e49\u0e01\u0e31\u0e1a\u0e19\u0e31\u0e01\u0e2d\u0e2d\u0e01\u0e41\u0e1a\u0e1a\u0e41\u0e25\u0e30\u0e1c\u0e39\u0e49\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07 \u0e1c\u0e21\u0e21\u0e31\u0e01\u0e1e\u0e1a\u0e27\u0e48\u0e32\u0e42\u0e1b\u0e23\u0e40\u0e08\u0e01\u0e15\u0e4c\u0e25\u0e49\u0e21\u0e40\u0e2b\u0e25\u0e27\u0e40\u0e1e\u0e35\u0e22\u0e07\u0e40\u0e1e\u0e23\u0e32\u0e30\u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e44\u0e21\u0e48\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED.<\/p>\n\n\n\n<p><strong>\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing-edge \u0e23\u0e38\u0e48\u0e19 BQ-TTDIM \u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e02\u0e2d\u0e07 LED \u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e17\u0e32\u0e07\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e17\u0e23\u0e2d\u0e19\u0e34\u0e01\u0e2a\u0e4c\u0e1a\u0e23\u0e34\u0e40\u0e27\u0e13\u0e0a\u0e48\u0e27\u0e07\u0e17\u0e49\u0e32\u0e22\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e04\u0e23\u0e36\u0e48\u0e07\u0e23\u0e2d\u0e1a \u0e2a\u0e34\u0e48\u0e07\u0e19\u0e35\u0e49\u0e0a\u0e48\u0e27\u0e22\u0e25\u0e14\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e35\u0e48\u0e08\u0e48\u0e32\u0e22\u0e2d\u0e2d\u0e01\u0e44\u0e1b \u0e02\u0e13\u0e30\u0e17\u0e35\u0e48\u0e22\u0e31\u0e07\u0e04\u0e07\u0e04\u0e27\u0e32\u0e21\u0e23\u0e32\u0e1a\u0e23\u0e37\u0e48\u0e19\u0e43\u0e19\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07 \u0e40\u0e2a\u0e35\u0e22\u0e07\u0e23\u0e1a\u0e01\u0e27\u0e19\u0e15\u0e48\u0e33 \u0e41\u0e25\u0e30\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e39\u0e07\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED \u0e2a\u0e21\u0e31\u0e22\u0e43\u0e2b\u0e21\u0e48.<\/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\">\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e41\u0e1a\u0e1a\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a LED<\/figcaption><\/figure>\n\n\n\n<p>\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e1c\u0e21\u0e17\u0e33\u0e07\u0e32\u0e19\u0e01\u0e31\u0e1a\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e1f LED \u0e1c\u0e21\u0e43\u0e2b\u0e49\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e33\u0e04\u0e31\u0e0d\u0e01\u0e31\u0e1a\u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22\u0e35\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e2d\u0e22\u0e39\u0e48\u0e40\u0e2a\u0e21\u0e2d \u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e2b\u0e25\u0e32\u0e22\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e43\u0e19\u0e42\u0e1b\u0e23\u0e40\u0e08\u0e01\u0e15\u0e4c\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e1f\u0e40\u0e01\u0e34\u0e14\u0e08\u0e32\u0e01\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e17\u0e35\u0e48\u0e04\u0e25\u0e32\u0e14\u0e40\u0e04\u0e25\u0e37\u0e48\u0e2d\u0e19\u0e40\u0e01\u0e35\u0e48\u0e22\u0e27\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e08\u0e23\u0e34\u0e07\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a \u0e43\u0e19\u0e04\u0e39\u0e48\u0e21\u0e37\u0e2d\u0e19\u0e35\u0e49 \u0e1c\u0e21\u0e08\u0e30\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e27\u0e48\u0e32\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing-edge \u0e23\u0e38\u0e48\u0e19 BQ-TTDIM \u0e17\u0e33\u0e07\u0e32\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23 \u0e41\u0e25\u0e30\u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14\u0e08\u0e36\u0e07\u0e17\u0e33\u0e07\u0e32\u0e19\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED \u0e44\u0e14\u0e49\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e15\u0e31\u0e27\u0e2b\u0e23\u0e35\u0e48\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge \u0e04\u0e37\u0e2d\u0e2d\u0e30\u0e44\u0e23?<\/h2>\n\n\n\n<p>\u0e1c\u0e39\u0e49\u0e15\u0e34\u0e14\u0e15\u0e31\u0e49\u0e07\u0e08\u0e33\u0e19\u0e27\u0e19\u0e21\u0e32\u0e01\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e27\u0e48\u0e32\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e17\u0e33\u0e07\u0e32\u0e19\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e01\u0e31\u0e19 \u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e1c\u0e34\u0e14\u0e19\u0e35\u0e49\u0e21\u0e31\u0e01\u0e01\u0e48\u0e2d\u0e43\u0e2b\u0e49\u0e40\u0e01\u0e34\u0e14\u0e01\u0e32\u0e23\u0e01\u0e30\u0e1e\u0e23\u0e34\u0e1a\u0e2b\u0e23\u0e37\u0e2d\u0e41\u0e2a\u0e07\u0e17\u0e35\u0e48\u0e44\u0e21\u0e48\u0e40\u0e2a\u0e16\u0e35\u0e22\u0e23\u0e40\u0e21\u0e37\u0e48\u0e2d\u0e43\u0e0a\u0e49\u0e01\u0e31\u0e1a LED.<\/p>\n\n\n\n<p>\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e08\u0e30\u0e25\u0e14\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e21\u0e02\u0e2d\u0e07\u0e41\u0e2a\u0e07\u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e43\u0e19\u0e0a\u0e48\u0e27\u0e07\u0e17\u0e49\u0e32\u0e22\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e04\u0e23\u0e36\u0e48\u0e07\u0e23\u0e2d\u0e1a \u0e41\u0e17\u0e19\u0e17\u0e35\u0e48\u0e08\u0e30\u0e15\u0e31\u0e14\u0e2a\u0e48\u0e27\u0e19\u0e2b\u0e19\u0e49\u0e32\u0e02\u0e2d\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19 \u0e21\u0e31\u0e19\u0e08\u0e30\u0e15\u0e31\u0e14\u0e2a\u0e48\u0e27\u0e19\u0e17\u0e49\u0e32\u0e22\u0e2d\u0e2d\u0e01\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e35\u0e48\u0e2a\u0e48\u0e07\u0e44\u0e1b\u0e22\u0e31\u0e07\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e1f.<\/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\">\u0e41\u0e1c\u0e19\u0e20\u0e32\u0e1e\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e02\u0e2d\u0e07\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e41\u0e19\u0e27\u0e04\u0e34\u0e14<\/h3>\n\n\n\n<p>\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e08\u0e31\u0e14\u0e2d\u0e22\u0e39\u0e48\u0e43\u0e19 <strong>\u0e01\u0e25\u0e38\u0e48\u0e21\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a phase-cut<\/strong>. \u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e08\u0e30\u0e1b\u0e23\u0e31\u0e1a\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e0b\u0e19\u0e4c\u0e02\u0e2d\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e08\u0e48\u0e32\u0e22\u0e43\u0e2b\u0e49\u0e01\u0e31\u0e1a\u0e42\u0e2b\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e2a\u0e27\u0e48\u0e32\u0e07 \u0e42\u0e14\u0e22\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e2a\u0e48\u0e27\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e02\u0e2d\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e2d\u0e2d\u0e01 \u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e08\u0e30\u0e25\u0e14\u0e04\u0e48\u0e32\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32 RMS \u0e17\u0e35\u0e48\u0e2a\u0e48\u0e07\u0e44\u0e1b\u0e22\u0e31\u0e07\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e1f\u0e44\u0e14\u0e49\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e.<\/p>\n\n\n\n<p>\u0e1c\u0e21\u0e21\u0e31\u0e01\u0e08\u0e30\u0e2d\u0e18\u0e34\u0e1a\u0e32\u0e22\u0e43\u0e19\u0e41\u0e1a\u0e1a\u0e17\u0e35\u0e48\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e07\u0e48\u0e32\u0e22 \u0e25\u0e2d\u0e07\u0e19\u0e36\u0e01\u0e20\u0e32\u0e1e\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e40\u0e1b\u0e47\u0e19\u0e04\u0e25\u0e37\u0e48\u0e19\u0e17\u0e35\u0e48\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07 \u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e08\u0e30\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e43\u0e2b\u0e49\u0e04\u0e25\u0e37\u0e48\u0e19\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e15\u0e32\u0e21\u0e1b\u0e01\u0e15\u0e34 \u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e08\u0e30\u0e15\u0e31\u0e14\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e48\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e04\u0e25\u0e37\u0e48\u0e19\u0e08\u0e30\u0e2a\u0e34\u0e49\u0e19\u0e2a\u0e38\u0e14 \u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e19\u0e35\u0e49\u0e08\u0e30\u0e25\u0e14\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e17\u0e35\u0e48\u0e2a\u0e48\u0e07\u0e16\u0e36\u0e07\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e1f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e08\u0e31\u0e07\u0e2b\u0e27\u0e30\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e40\u0e1f\u0e2a<\/th><th>\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19<\/th><th>\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c<\/th><\/tr><\/thead><tbody><tr><td>\u0e08\u0e38\u0e14\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e23\u0e2d\u0e1a<\/td><td>\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e44\u0e2b\u0e25\u0e15\u0e32\u0e21\u0e1b\u0e01\u0e15\u0e34<\/td><td>\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e1f\u0e44\u0e14\u0e49\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e40\u0e15\u0e47\u0e21\u0e23\u0e39\u0e1b\u0e41\u0e1a\u0e1a\u0e0a\u0e31\u0e48\u0e27\u0e02\u0e13\u0e30<\/td><\/tr><tr><td>\u0e08\u0e38\u0e14\u0e2a\u0e34\u0e49\u0e19\u0e2a\u0e38\u0e14\u0e02\u0e2d\u0e07\u0e23\u0e2d\u0e1a<\/td><td>\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e15\u0e31\u0e14\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15<\/td><td>\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e25\u0e14\u0e25\u0e07<\/td><\/tr><tr><td>\u0e17\u0e33\u0e0b\u0e49\u0e33\u0e17\u0e38\u0e01\u0e04\u0e23\u0e36\u0e48\u0e07\u0e23\u0e2d\u0e1a<\/td><td>\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07<\/td><td>\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e17\u0e35\u0e48\u0e19\u0e38\u0e48\u0e21\u0e19\u0e27\u0e25<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14\u0e27\u0e34\u0e18\u0e35\u0e01\u0e32\u0e23\u0e19\u0e35\u0e49\u0e08\u0e36\u0e07\u0e2a\u0e33\u0e04\u0e31\u0e0d<\/h3>\n\n\n\n<p>\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e17\u0e33\u0e07\u0e32\u0e19\u0e44\u0e14\u0e49\u0e14\u0e35\u0e01\u0e31\u0e1a <strong>\u0e42\u0e2b\u0e25\u0e14\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e17\u0e23\u0e2d\u0e19\u0e34\u0e01\u0e2a\u0e4c<\/strong>, \u0e42\u0e14\u0e22\u0e40\u0e09\u0e1e\u0e32\u0e30\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED \u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED \u0e08\u0e33\u0e19\u0e27\u0e19\u0e21\u0e32\u0e01\u0e21\u0e35\u0e15\u0e31\u0e27\u0e40\u0e01\u0e47\u0e1a\u0e1b\u0e23\u0e30\u0e08\u0e38\u0e20\u0e32\u0e22\u0e43\u0e19 \u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e17\u0e33\u0e07\u0e32\u0e19\u0e23\u0e48\u0e27\u0e21\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e02\u0e36\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e35\u0e48\u0e2a\u0e30\u0e2d\u0e32\u0e14\u0e44\u0e14\u0e49\u0e14\u0e35\u0e01\u0e27\u0e48\u0e32\u0e01\u0e32\u0e23\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e09\u0e31\u0e1a\u0e1e\u0e25\u0e31\u0e19.<\/p>\n\n\n\n<p>\u0e19\u0e35\u0e48\u0e04\u0e37\u0e2d\u0e40\u0e2b\u0e15\u0e38\u0e1c\u0e25\u0e17\u0e35\u0e48\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e21\u0e31\u0e01\u0e43\u0e2b\u0e49\u0e1c\u0e25\u0e25\u0e31\u0e1e\u0e18\u0e4c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e40\u0e2a\u0e35\u0e22\u0e07\u0e23\u0e1a\u0e01\u0e27\u0e19\u0e19\u0e49\u0e2d\u0e22\u0e25\u0e07<\/li>\n\n\n\n<li>\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e43\u0e19\u0e23\u0e30\u0e14\u0e31\u0e1a\u0e15\u0e48\u0e33\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19<\/li>\n\n\n\n<li>\u0e01\u0e32\u0e23\u0e01\u0e30\u0e1e\u0e23\u0e34\u0e1a\u0e25\u0e14\u0e25\u0e07<\/li>\n\n\n\n<li>\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49\u0e2a\u0e39\u0e07\u0e02\u0e36\u0e49\u0e19\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e17\u0e33\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge<\/h2>\n\n\n\n<p>\u0e1c\u0e39\u0e49\u0e40\u0e0a\u0e35\u0e48\u0e22\u0e27\u0e0a\u0e32\u0e0d\u0e14\u0e49\u0e32\u0e19\u0e41\u0e2a\u0e07\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e2b\u0e25\u0e32\u0e22\u0e04\u0e19\u0e40\u0e02\u0e49\u0e32\u0e43\u0e08\u0e04\u0e33\u0e27\u0e48\u0e32 phase-cut dimming \u0e41\u0e15\u0e48\u0e22\u0e31\u0e07\u0e04\u0e07\u0e21\u0e35\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e43\u0e19\u0e01\u0e32\u0e23\u0e21\u0e2d\u0e07\u0e40\u0e2b\u0e47\u0e19\u0e20\u0e32\u0e1e\u0e27\u0e48\u0e32\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e41\u0e1b\u0e25\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23.<\/p>\n\n\n\n<p>\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e17\u0e33\u0e07\u0e32\u0e19\u0e42\u0e14\u0e22\u0e1b\u0e25\u0e48\u0e2d\u0e22\u0e43\u0e2b\u0e49\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e15\u0e32\u0e21\u0e1b\u0e01\u0e15\u0e34 \u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e15\u0e31\u0e14\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e17\u0e23\u0e2d\u0e19\u0e34\u0e01\u0e2a\u0e4c\u0e01\u0e48\u0e2d\u0e19\u0e17\u0e35\u0e48\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e08\u0e30\u0e2a\u0e34\u0e49\u0e19\u0e2a\u0e38\u0e14\u0e43\u0e19\u0e41\u0e15\u0e48\u0e25\u0e30\u0e04\u0e23\u0e36\u0e48\u0e07\u0e23\u0e2d\u0e1a.<\/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\">\u0e41\u0e1c\u0e19\u0e20\u0e32\u0e1e\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a trailing edge \u0e02\u0e2d\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e2a\u0e25\u0e31\u0e1a\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e1f<\/h3>\n\n\n\n<p>\u0e43\u0e19\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e1b\u0e01\u0e15\u0e34 \u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e08\u0e30\u0e40\u0e1b\u0e47\u0e19\u0e44\u0e1b\u0e15\u0e32\u0e21 <strong>\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e0b\u0e19\u0e4c<\/strong>. \u0e41\u0e15\u0e48\u0e25\u0e30\u0e23\u0e2d\u0e1a\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22\u0e04\u0e23\u0e36\u0e48\u0e07\u0e1a\u0e27\u0e01\u0e41\u0e25\u0e30\u0e04\u0e23\u0e36\u0e48\u0e07\u0e25\u0e1a.<\/p>\n\n\n\n<p>\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e08\u0e30\u0e08\u0e31\u0e14\u0e01\u0e32\u0e23\u0e01\u0e31\u0e1a\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e19\u0e35\u0e49 \u0e41\u0e17\u0e19\u0e17\u0e35\u0e48\u0e08\u0e30\u0e2a\u0e48\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19\u0e44\u0e0b\u0e19\u0e4c\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e44\u0e1b\u0e22\u0e31\u0e07\u0e42\u0e2b\u0e25\u0e14 \u0e21\u0e31\u0e19\u0e08\u0e30\u0e15\u0e31\u0e14\u0e2a\u0e48\u0e27\u0e19\u0e2b\u0e19\u0e36\u0e48\u0e07\u0e2d\u0e2d\u0e01.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e42\u0e2b\u0e21\u0e14<\/th><th>\u0e08\u0e38\u0e14\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19<\/th><th>\u0e08\u0e38\u0e14\u0e2a\u0e34\u0e49\u0e19\u0e2a\u0e38\u0e14\u0e02\u0e2d\u0e07\u0e23\u0e39\u0e1b\u0e04\u0e25\u0e37\u0e48\u0e19<\/th><th>\u0e42\u0e2b\u0e25\u0e14\u0e17\u0e31\u0e48\u0e27\u0e44\u0e1b<\/th><\/tr><\/thead><tbody><tr><td>\u0e44\u0e21\u0e48\u0e21\u0e35\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e2a\u0e07<\/td><td>\u0e1b\u0e01\u0e15\u0e34<\/td><td>\u0e1b\u0e01\u0e15\u0e34<\/td><td>\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e40\u0e15\u0e47\u0e21\u0e23\u0e39\u0e1b\u0e41\u0e1a\u0e1a<\/td><\/tr><tr><td>Leading edge<\/td><td>\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e25\u0e48\u0e32\u0e0a\u0e49\u0e32<\/td><td>\u0e2a\u0e34\u0e49\u0e19\u0e2a\u0e38\u0e14\u0e1b\u0e01\u0e15\u0e34<\/td><td>\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e2a\u0e49<\/td><\/tr><tr><td>Trailing edge<\/td><td>\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e1b\u0e01\u0e15\u0e34<\/td><td>\u0e15\u0e31\u0e14\u0e2d\u0e2d\u0e01\u0e01\u0e48\u0e2d\u0e19\u0e01\u0e33\u0e2b\u0e19\u0e14<\/td><td>\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14 LED \u0e08\u0e36\u0e07\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e01\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge \u0e21\u0e32\u0e01\u0e01\u0e27\u0e48\u0e32<\/h3>\n\n\n\n<p>\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED \u0e21\u0e31\u0e01\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e14\u0e49\u0e27\u0e22 <strong>\u0e41\u0e2b\u0e25\u0e48\u0e07\u0e08\u0e48\u0e32\u0e22\u0e44\u0e1f\u0e41\u0e1a\u0e1a\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e42\u0e2b\u0e21\u0e14<\/strong>. \u0e27\u0e07\u0e08\u0e23\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e15\u0e2d\u0e1a\u0e2a\u0e19\u0e2d\u0e07\u0e15\u0e48\u0e2d\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e25\u0e35\u0e48\u0e22\u0e19\u0e41\u0e1b\u0e25\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e08\u0e32\u0e01\u0e2b\u0e25\u0e2d\u0e14\u0e44\u0e2a\u0e49.<\/p>\n\n\n\n<p>\u0e15\u0e31\u0e27\u0e25\u0e14\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a leading edge \u0e08\u0e30\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e1e\u0e38\u0e48\u0e07\u0e2a\u0e39\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e09\u0e31\u0e1a\u0e1e\u0e25\u0e31\u0e19\u0e17\u0e35\u0e48\u0e08\u0e38\u0e14\u0e40\u0e23\u0e34\u0e48\u0e21\u0e15\u0e49\u0e19\u0e02\u0e2d\u0e07\u0e41\u0e15\u0e48\u0e25\u0e30\u0e23\u0e2d\u0e1a \u0e01\u0e32\u0e23\u0e1e\u0e38\u0e48\u0e07\u0e2a\u0e39\u0e07\u0e19\u0e35\u0e49\u0e2a\u0e32\u0e21\u0e32\u0e23\u0e16\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e1b\u0e31\u0e0d\u0e2b\u0e32\u0e40\u0e0a\u0e48\u0e19:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>driver stress<\/li>\n\n\n\n<li>flicker<\/li>\n\n\n\n<li>noise<\/li>\n\n\n\n<li>unstable dimming<\/li>\n<\/ul>\n\n\n\n<p>Trailing edge dimmers avoid this issue. The voltage rises smoothly and only turns off later in the cycle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e25\u0e44\u0e01\u0e01\u0e32\u0e23\u0e25\u0e14\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e15\u0e32\u0e23\u0e32\u0e07\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e1e\u0e25\u0e31\u0e07\u0e07\u0e32\u0e19<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Dim Level<\/th><th>Waveform Length<\/th><th>Energy Delivered<\/th><\/tr><\/thead><tbody><tr><td>100%<\/td><td>Full sine wave<\/td><td>Maximum power<\/td><\/tr><tr><td>75%<\/td><td>Slight cut<\/td><td>Reduced power<\/td><\/tr><tr><td>50%<\/td><td>Half waveform<\/td><td>Medium power<\/td><\/tr><tr><td>25%<\/td><td>Large cut<\/td><td>Low power<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>The dimmer continuously adjusts the cut point. This dynamic adjustment allows users to control brightness smoothly from full output to low light levels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e40\u0e2b\u0e15\u0e38\u0e43\u0e14\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge \u0e08\u0e36\u0e07\u0e40\u0e2b\u0e21\u0e32\u0e30\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e23\u0e30\u0e1a\u0e1a\u0e44\u0e1f LED \u0e2a\u0e21\u0e31\u0e22\u0e43\u0e2b\u0e21\u0e48<\/h2>\n\n\n\n<p>Many lighting engineers discover that older dimmers struggle with LED systems. Flicker and noise appear when incompatible technology is used.<\/p>\n\n\n\n<p>Trailing edge dimmers solve these issues because they work well with electronic LED drivers and low-power loads.<\/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\">Modern led lighting dimming control system<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c\u0e2d\u0e34\u0e40\u0e25\u0e47\u0e01\u0e17\u0e23\u0e2d\u0e19\u0e34\u0e01\u0e2a\u0e4c<\/h3>\n\n\n\n<p>Modern LED drivers contain internal components such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bridge rectifiers<\/li>\n\n\n\n<li>capacitors<\/li>\n\n\n\n<li>switching converters<\/li>\n<\/ul>\n\n\n\n<p>These circuits require stable voltage transitions. Trailing edge dimmers produce smoother switching compared to leading edge devices.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e15\u0e32\u0e23\u0e32\u0e07\u0e04\u0e27\u0e32\u0e21\u0e40\u0e02\u0e49\u0e32\u0e01\u0e31\u0e19\u0e44\u0e14\u0e49<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e1b\u0e23\u0e30\u0e40\u0e20\u0e17\u0e42\u0e2b\u0e25\u0e14<\/th><th>\u0e02\u0e2d\u0e1a\u0e19\u0e33<\/th><th>\u0e02\u0e2d\u0e1a\u0e15\u0e32\u0e21<\/th><\/tr><\/thead><tbody><tr><td>Incandescent lamps<\/td><td>\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21<\/td><td>Good<\/td><\/tr><tr><td>Halogen lamps<\/td><td>\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21<\/td><td>Good<\/td><\/tr><tr><td>\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED<\/td><td>\u0e08\u0e33\u0e01\u0e31\u0e14<\/td><td>\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21<\/td><\/tr><tr><td>Electronic transformers<\/td><td>\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td><td>\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e\u0e17\u0e35\u0e48\u0e14\u0e35\u0e02\u0e36\u0e49\u0e19\u0e20\u0e32\u0e22\u0e43\u0e15\u0e49\u0e42\u0e2b\u0e25\u0e14\u0e15\u0e48\u0e33<\/h3>\n\n\n\n<p>LED lighting systems usually operate at low wattage. Traditional dimmers often require a <strong>minimum load<\/strong> to function correctly.<\/p>\n\n\n\n<p>Trailing edge dimmers are better suited for these low-power conditions. They can maintain stable operation even when the load is small.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e25\u0e14\u0e2a\u0e31\u0e0d\u0e0d\u0e32\u0e13\u0e23\u0e1a\u0e01\u0e27\u0e19\u0e17\u0e32\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32<\/h3>\n\n\n\n<p>Another advantage I often notice is the reduction of electromagnetic interference. Trailing edge dimming generates less electrical noise because the waveform starts naturally.<\/p>\n\n\n\n<p>This improvement results in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e17\u0e35\u0e48\u0e40\u0e07\u0e35\u0e22\u0e1a\u0e01\u0e27\u0e48\u0e32<\/li>\n\n\n\n<li>less interference with other devices<\/li>\n\n\n\n<li>smoother dimming response<\/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\">\u0e04\u0e27\u0e32\u0e21\u0e41\u0e15\u0e01\u0e15\u0e48\u0e32\u0e07\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Leading Edge \u0e41\u0e25\u0e30 Trailing Edge<\/a><\/h2>\n\n\n\n<p>Many people confuse these two dimming technologies. However, their operating principles and performance characteristics are very different.<\/p>\n\n\n\n<p>Leading edge dimmers cut the beginning of the AC waveform, while trailing edge dimmers cut the end portion of the waveform.<\/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\">Leading edge vs trailing edge waveform comparison<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e1e\u0e37\u0e49\u0e19\u0e10\u0e32\u0e19<\/h3>\n\n\n\n<p>Leading edge dimmers rely on TRIAC components that trigger after a delay. The waveform begins abruptly once the TRIAC fires.<\/p>\n\n\n\n<p>Trailing edge dimmers operate differently. They allow the waveform to start normally and then shut off the current later.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e40\u0e1b\u0e23\u0e35\u0e22\u0e1a\u0e40\u0e17\u0e35\u0e22\u0e1a\u0e17\u0e32\u0e07\u0e40\u0e17\u0e04\u0e19\u0e34\u0e04<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e25\u0e31\u0e01\u0e29\u0e13\u0e30\u0e40\u0e09\u0e1e\u0e32\u0e30<\/th><th>\u0e02\u0e2d\u0e1a\u0e19\u0e33<\/th><th>\u0e02\u0e2d\u0e1a\u0e15\u0e32\u0e21<\/th><\/tr><\/thead><tbody><tr><td>Waveform control<\/td><td>Cuts start<\/td><td>Cuts end<\/td><\/tr><tr><td>\u0e0a\u0e34\u0e49\u0e19\u0e2a\u0e48\u0e27\u0e19\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c<\/td><td>\u0e44\u0e17\u0e23\u0e41\u0e2d\u0e01<\/td><td>MOSFET<\/td><\/tr><tr><td>Noise level<\/td><td>\u0e2a\u0e39\u0e07\u0e01\u0e27\u0e48\u0e32<\/td><td>\u0e25\u0e14\u0e25\u0e07<\/td><\/tr><tr><td>LED compatibility<\/td><td>\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td><td>\u0e14\u0e35\u0e40\u0e22\u0e35\u0e48\u0e22\u0e21<\/td><\/tr><tr><td>Dimming smoothness<\/td><td>\u0e08\u0e33\u0e01\u0e31\u0e14<\/td><td>Smooth<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e1c\u0e25\u0e01\u0e23\u0e30\u0e17\u0e1a\u0e15\u0e48\u0e2d\u0e23\u0e30\u0e1a\u0e1a LED<\/h3>\n\n\n\n<p>Leading edge dimmers often produce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>buzzing noise<\/li>\n\n\n\n<li>visible flicker<\/li>\n\n\n\n<li>unstable brightness<\/li>\n<\/ul>\n\n\n\n<p>Trailing edge dimmers minimize these problems because their switching method is gentler.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e34\u0e07\u0e1b\u0e0f\u0e34\u0e1a\u0e31\u0e15\u0e34<\/h3>\n\n\n\n<p>In many projects I worked on, replacing a leading edge dimmer with a trailing edge unit instantly solved flicker issues. The LED drivers responded much better once the waveform switching changed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2b\u0e25\u0e31\u0e01\u0e20\u0e32\u0e22\u0e43\u0e19\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge<\/h2>\n\n\n\n<p>Many users see a dimmer as a simple knob. However, inside the device there is a carefully designed electronic circuit.<\/p>\n\n\n\n<p>A trailing edge dimmer uses semiconductor switches, control circuits, and protection components to regulate the AC waveform.<\/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\">Internal components of trailing edge dimmer circuit<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2d\u0e07\u0e04\u0e4c\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a\u0e2e\u0e32\u0e23\u0e4c\u0e14\u0e41\u0e27\u0e23\u0e4c\u0e2b\u0e25\u0e31\u0e01<\/h3>\n\n\n\n<p>Typical components include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>switching transistors<\/li>\n\n\n\n<li>control microcircuits<\/li>\n\n\n\n<li>sensing circuits<\/li>\n\n\n\n<li>protection modules<\/li>\n<\/ul>\n\n\n\n<p>These components work together to control the phase cut timing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2a\u0e16\u0e32\u0e1b\u0e31\u0e15\u0e22\u0e01\u0e23\u0e23\u0e21\u0e20\u0e32\u0e22\u0e43\u0e19<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e15\u0e32\u0e23\u0e32\u0e07\u0e2b\u0e19\u0e49\u0e32\u0e17\u0e35\u0e48\u0e02\u0e2d\u0e07\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Component<\/th><th>\u0e1a\u0e17\u0e1a\u0e32\u0e17<\/th><\/tr><\/thead><tbody><tr><td>MOSFET or transistor<\/td><td>Switches AC current<\/td><\/tr><tr><td>Control IC<\/td><td>Determines dimming angle<\/td><\/tr><tr><td>\u0e15\u0e31\u0e27\u0e40\u0e01\u0e47\u0e1a\u0e1b\u0e23\u0e30\u0e08\u0e38<\/td><td>Filter noise<\/td><\/tr><tr><td>Thermal sensor<\/td><td>Prevents overheating<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e1b\u0e0f\u0e34\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e2a\u0e48\u0e27\u0e19\u0e1b\u0e23\u0e30\u0e01\u0e2d\u0e1a<\/h3>\n\n\n\n<p>When a user adjusts the knob, the control circuit calculates a new phase angle. The switching transistor then turns off the waveform at the correct moment.<\/p>\n\n\n\n<p>Protection circuits constantly monitor the system. If abnormal conditions occur, the dimmer automatically shuts down to protect itself and the connected load.<\/p>\n\n\n\n<p>This combination of control and protection makes modern trailing edge dimmers reliable for long-term lighting applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e40\u0e17\u0e04\u0e42\u0e19\u0e42\u0e25\u0e22\u0e35\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e41\u0e2a\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e44\u0e23<\/h2>\n\n\n\n<p>Many lighting designers know that dimmers reduce brightness. But fewer understand the electrical mechanism behind this process.<\/p>\n\n\n\n<p>Phase-cut technology controls light output by removing a portion of each AC waveform cycle, which reduces the RMS voltage delivered to the load.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e25\u0e14\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32 RMS<\/h3>\n\n\n\n<p>The brightness of many lighting loads depends on the <strong>RMS voltage<\/strong> supplied to them.<\/p>\n\n\n\n<p>When the dimmer cuts part of the waveform, the RMS voltage drops. Lower voltage means less electrical power and therefore lower light output.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e02\u0e2d\u0e07\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e23\u0e30\u0e2b\u0e27\u0e48\u0e32\u0e07\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e41\u0e25\u0e30\u0e01\u0e33\u0e25\u0e31\u0e07\u0e44\u0e1f\u0e1f\u0e49\u0e32<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Dim Level<\/th><th>RMS Voltage<\/th><th>Relative Power<\/th><\/tr><\/thead><tbody><tr><td>100%<\/td><td>Full voltage<\/td><td>100%<\/td><\/tr><tr><td>75%<\/td><td>Reduced<\/td><td>75%<\/td><\/tr><tr><td>50%<\/td><td>Medium<\/td><td>50%<\/td><\/tr><tr><td>25%<\/td><td>\u0e15\u0e48\u0e33<\/td><td>25%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07<\/h3>\n\n\n\n<p>The dimmer adjusts the cutoff point in every half cycle. This rapid adjustment happens many times per second.<\/p>\n\n\n\n<p>Because AC power cycles quickly, the human eye perceives the light as continuously adjustable rather than flickering.<\/p>\n\n\n\n<p>This technique allows precise brightness control without changing the electrical supply frequency.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e2b\u0e25\u0e31\u0e01\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19\u0e02\u0e2d\u0e07\u0e2a\u0e27\u0e34\u0e15\u0e0a\u0e4c\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e41\u0e1a\u0e1a Trailing Edge \u0e23\u0e38\u0e48\u0e19 BQ-TTDIM<\/h2>\n\n\n\n<p>Many dimmers appear similar on the outside. However, their internal design and performance can vary significantly.<\/p>\n\n\n\n<p>The BQ-TTDIM trailing edge dimmer controls LED brightness through rotary phase-cut control, allowing users to adjust brightness while maintaining compatibility with dimmable LED drivers and traditional lamps.<\/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> rotary dimmer panel<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e20\u0e32\u0e1e\u0e23\u0e27\u0e21\u0e2d\u0e38\u0e1b\u0e01\u0e23\u0e13\u0e4c<\/h3>\n\n\n\n<p>According to the product specification, the BQ-TTDIM is a <strong>rotary AC phase-cut dimmer with one output channel<\/strong> designed for dimmable LED lamps, incandescent lights, and halogen lamps.<\/p>\n\n\n\n<p>The device operates within:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e1e\u0e32\u0e23\u0e32\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Input voltage<\/td><td>AC200-240V<\/td><\/tr><tr><td>\u0e01\u0e23\u0e30\u0e41\u0e2a\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15<\/td><td>\u0e2a\u0e39\u0e07\u0e2a\u0e38\u0e14 1.25A<\/td><\/tr><tr><td>Output power<\/td><td>3-400W<\/td><\/tr><tr><td>\u0e0a\u0e48\u0e27\u0e07\u0e01\u0e32\u0e23\u0e2b\u0e23\u0e35\u0e48\u0e41\u0e2a\u0e07<\/td><td>0-100%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>These values come directly from the specification sheet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2d\u0e34\u0e19\u0e40\u0e17\u0e2d\u0e23\u0e4c\u0e40\u0e1f\u0e0b\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21<\/h3>\n\n\n\n<p>The dimmer uses a rotary knob. Users rotate the knob to change brightness and push it to turn the light on or off.<\/p>\n\n\n\n<p>The device also supports a <strong>minimum brightness setting<\/strong> and memory function. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e2a\u0e20\u0e32\u0e1e\u0e41\u0e27\u0e14\u0e25\u0e49\u0e2d\u0e21\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19<\/h3>\n\n\n\n<p>The dimmer is designed for stable operation in demanding conditions.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0e1e\u0e32\u0e23\u0e32\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/th><th>\u0e02\u0e49\u0e2d\u0e21\u0e39\u0e25\u0e08\u0e33\u0e40\u0e1e\u0e32\u0e30<\/th><\/tr><\/thead><tbody><tr><td>Operating temperature<\/td><td>\u221230\u00b0C to +55\u00b0C<\/td><\/tr><tr><td>Case temperature<\/td><td>Up to 85\u00b0C<\/td><\/tr><tr><td>IP rating<\/td><td>IP20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>These specifications ensure the dimmer can operate reliably in typical indoor installations.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e01\u0e23\u0e30\u0e1a\u0e27\u0e19\u0e01\u0e32\u0e23\u0e17\u0e35\u0e25\u0e30\u0e02\u0e31\u0e49\u0e19\u0e15\u0e2d\u0e19\u0e02\u0e2d\u0e07\u0e01\u0e32\u0e23\u0e15\u0e31\u0e14\u0e40\u0e1f\u0e2a\u0e41\u0e1a\u0e1a Trailing Edge<\/h2>\n\n\n\n<p>Many engineers ask how the dimmer actually modifies each AC cycle in real time.<\/p>\n\n\n\n<p>Trailing edge phase cutting works by monitoring the AC waveform and switching off the current near the end of each half cycle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e25\u0e33\u0e14\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e40\u0e1f\u0e2a<\/h3>\n\n\n\n<p>Each AC cycle goes through a simple sequence controlled by the dimmer electronics.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e25\u0e33\u0e14\u0e31\u0e1a\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Step<\/th><th>\u0e01\u0e32\u0e23\u0e17\u0e33\u0e07\u0e32\u0e19<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Detect zero crossing<\/td><\/tr><tr><td>2<\/td><td>Allow voltage to rise normally<\/td><\/tr><tr><td>3<\/td><td>Calculate dimming level<\/td><\/tr><tr><td>4<\/td><td>Switch off current before waveform end<\/td><\/tr><tr><td>5<\/td><td>Repeat every cycle<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e08\u0e31\u0e07\u0e2b\u0e27\u0e30\u0e40\u0e27\u0e25\u0e32<\/h3>\n\n\n\n<p>The dimmer must control switching with high precision. Even small timing changes can alter brightness.<\/p>\n\n\n\n<p>\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e40\u0e0a\u0e48\u0e19:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>late cutoff \u2192 brighter light<\/li>\n\n\n\n<li>early cutoff \u2192 dimmer light<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e15\u0e2d\u0e1a\u0e2a\u0e19\u0e2d\u0e07\u0e2d\u0e22\u0e48\u0e32\u0e07\u0e15\u0e48\u0e2d\u0e40\u0e19\u0e37\u0e48\u0e2d\u0e07<\/h3>\n\n\n\n<p>The control circuit repeats this process for every half cycle of AC power. Because AC cycles occur 50 or 60 times per second, the dimming adjustment feels instantaneous to users.<\/p>\n\n\n\n<p>This precise timing control is the core technology behind phase-cut dimming systems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e27\u0e34\u0e18\u0e35\u0e17\u0e35\u0e48 BQ-TTDIM \u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e40\u0e1e\u0e37\u0e48\u0e2d\u0e1b\u0e23\u0e31\u0e1a\u0e04\u0e27\u0e32\u0e21\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e02\u0e2d\u0e07\u0e44\u0e1f LED<\/h2>\n\n\n\n<p>Many people think a dimmer simply reduces voltage. In reality, it controls the waveform shape rather than directly lowering supply voltage.<\/p>\n\n\n\n<p>The BQ-TTDIM adjusts the effective voltage reaching the LED driver by cutting part of the AC waveform through phase control.<\/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\/\">Dimmable LED driver<\/a> compatible with both forward phase and reverse phase dimmers<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e01\u0e32\u0e23\u0e04\u0e27\u0e1a\u0e04\u0e38\u0e21\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32\u0e17\u0e35\u0e48\u0e21\u0e35\u0e1b\u0e23\u0e30\u0e2a\u0e34\u0e17\u0e18\u0e34\u0e20\u0e32\u0e1e<\/h3>\n\n\n\n<p>Instead of changing the supply voltage, the dimmer changes the <strong>duration of power delivery<\/strong>.<\/p>\n\n\n\n<p>This technique modifies the RMS voltage seen by the LED driver.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u0e15\u0e32\u0e23\u0e32\u0e07\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e23\u0e07\u0e14\u0e31\u0e19\u0e44\u0e1f\u0e1f\u0e49\u0e32<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Cut Angle<\/th><th>Effective Voltage<\/th><th>\u0e40\u0e2d\u0e32\u0e15\u0e4c\u0e1e\u0e38\u0e15\u0e41\u0e2a\u0e07<\/th><\/tr><\/thead><tbody><tr><td>Small cut<\/td><td>High voltage<\/td><td>Bright<\/td><\/tr><tr><td>Medium cut<\/td><td>Medium voltage<\/td><td>\u0e1b\u0e32\u0e19\u0e01\u0e25\u0e32\u0e07<\/td><\/tr><tr><td>Large cut<\/td><td>Low voltage<\/td><td>Dim<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e1b\u0e0f\u0e34\u0e2a\u0e31\u0e21\u0e1e\u0e31\u0e19\u0e18\u0e4c\u0e01\u0e31\u0e1a\u0e44\u0e14\u0e23\u0e40\u0e27\u0e2d\u0e23\u0e4c LED<\/h3>\n\n\n\n<p>LED drivers interpret the phase-cut waveform and adjust internal current accordingly.<\/p>\n\n\n\n<p>A well-designed driver detects the waveform shape and modifies its output to the LEDs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0e1e\u0e24\u0e15\u0e34\u0e01\u0e23\u0e23\u0e21\u0e01\u0e32\u0e23\u0e1b\u0e23\u0e31\u0e1a\u0e41\u0e2a\u0e07\u0e17\u0e35\u0e48\u0e23\u0e32\u0e1a\u0e23\u0e37\u0e48\u0e19<\/h3>\n\n\n\n<p>Because the dimmer controls timing very precisely, brightness changes appear smooth and gradual.<\/p>\n\n\n\n<p>This characteristic is important in applications like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0e41\u0e2a\u0e07\u0e2a\u0e27\u0e48\u0e32\u0e07\u0e17\u0e35\u0e48\u0e2d\u0e22\u0e39\u0e48\u0e2d\u0e32\u0e28\u0e31\u0e22<\/li>\n\n\n\n<li>hospitality lighting<\/li>\n\n\n\n<li>architectural lighting<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u0e1a\u0e17\u0e2a\u0e23\u0e38\u0e1b<\/h2>\n\n\n\n<p>The BQ-TTDIM trailing edge dimmer delivers smooth LED dimming by cutting the AC waveform near the end of each cycle, ensuring quiet operation, high compatibility, and stable lighting performance.<\/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_robots_primary_cat":"none","_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":"","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\/th\/wp-json\/wp\/v2\/posts\/17668","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/comments?post=17668"}],"version-history":[{"count":0,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/posts\/17668\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/media\/17684"}],"wp:attachment":[{"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/media?parent=17668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/categories?post=17668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boqiled.com\/th\/wp-json\/wp\/v2\/tags?post=17668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}