{"id":8220,"date":"2025-06-12T17:40:58","date_gmt":"2025-06-12T09:40:58","guid":{"rendered":"https:\/\/www.wehopower.com\/?post_type=news&#038;p=8220"},"modified":"2026-08-31T14:17:03","modified_gmt":"2026-08-31T06:17:03","slug":"isolated-vs-non-isolated-power-supplies","status":"publish","type":"news","link":"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/","title":{"rendered":"Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t"},"content":{"rendered":"<p data-start=\"243\" data-end=\"717\">Trong th\u1ebf gi\u1edbi \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly l\u00e0 r\u1ea5t quan tr\u1ecdng. Cho d\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf thi\u1ebft b\u1ecb y t\u1ebf, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p hay b\u00e0n \u0111\u1ea1p \u00e2m thanh, vi\u1ec7c ch\u1ecdn <a href=\"https:\/\/www.wehopower.com\/vi\/products\/\">Ph\u1ea3i<\/a> lo\u1ea1i ngu\u1ed3n \u0111i\u1ec7n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n, hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t. B\u00e0i vi\u1ebft n\u00e0y t\u00ecm hi\u1ec3u nh\u1eefng kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly, gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh lo\u1ea1i ngu\u1ed3n ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<p data-start=\"243\" data-end=\"717\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/a-comprehensive-guide-to-understanding-switch-power-supplies\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n \u0111\u1ec3 hi\u1ec3u v\u1ec1 ngu\u1ed3n \u0111i\u1ec7n chuy\u1ec3n \u0111\u1ed5i<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Understand_Isolated_and_Non-Isolated_Power_Supplies\" >Hi\u1ec3u ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#What_is_an_Isolated_Power_Supply\" >Ngu\u1ed3n \u0111i\u1ec7n bi\u1ec7t l\u1eadp l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#What_is_a_Non-Isolated_Power_Supply\" >Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#9_Key_Differences_Between_Isolated_and_Non-Isolated_Power_Supplies\" >9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Safety\" >S\u1ef1 an to\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#EMI_and_Noise\" >EMI v\u00e0 ti\u1ebfng \u1ed3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Efficiency\" >Hi\u1ec7u qu\u1ea3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Size\" >K\u00edch c\u1ee1<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Design_Complexity_and_Cost\" >\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 chi ph\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Voltage_Range_and_Flexibility\" >Ph\u1ea1m vi \u0111i\u1ec7n \u00e1p v\u00e0 t\u00ednh linh ho\u1ea1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Typical_Applications\" >\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Product_Role\" >Vai tr\u00f2 s\u1ea3n ph\u1ea9m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Scalability\" >Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Advantages_of_Isolated_Power_Supplies\" >\u01afu \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Advantages_of_Non-Isolated_Power_Supplies\" >\u01afu \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/#Conclusion\" >Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1161\" data-end=\"1218\"><span class=\"ez-toc-section\" id=\"Understand_Isolated_and_Non-Isolated_Power_Supplies\"><\/span>Hi\u1ec3u ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"1220\" data-end=\"1261\"><span class=\"ez-toc-section\" id=\"What_is_an_Isolated_Power_Supply\"><\/span>Ngu\u1ed3n \u0111i\u1ec7n bi\u1ec7t l\u1eadp l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1263\" data-end=\"1648\">M\u1ed8T <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">cung c\u1ea5p \u0111i\u1ec7n b\u1ecb c\u00f4 l\u1eadp<\/a> s\u1eed d\u1ee5ng m\u1ed9t m\u00e1y bi\u1ebfn \u00e1p \u0111\u1ec3 t\u00e1ch \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u1eabn tr\u1ef1c ti\u1ebfp cho d\u00f2ng \u0111i\u1ec7n ch\u1ea1y gi\u1eefa \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra. M\u1ee5c ti\u00eau ch\u00ednh l\u00e0 s\u1ef1 an to\u00e0n\u2014\u0111\u1eb7c bi\u1ec7t khi c\u00f3 \u0111i\u1ec7n \u00e1p cao ho\u1eb7c c\u00f3 s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a con ng\u01b0\u1eddi. Lo\u1ea1i ngu\u1ed3n \u0111i\u1ec7n n\u00e0y gi\u00fap gi\u1ea3m nguy c\u01a1 b\u1ecb \u0111i\u1ec7n gi\u1eadt v\u00e0 ng\u0103n ti\u1ebfng \u1ed3n lan truy\u1ec1n gi\u1eefa c\u00e1c m\u1ea1ch \u0111i\u1ec7n.<\/p>\n<p data-start=\"1263\" data-end=\"1648\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-7716 alignnone\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/QM15-23BxxR2-AC-DC-On-Board-1-300x300.jpg\" alt=\"B\u1ed9 ngu\u1ed3n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t=\" width=\"300\" height=\"300\" isolated vs non-isolated power supplies: differences title=\"\" srcset=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/QM15-23BxxR2-AC-DC-On-Board-1-300x300.jpg 300w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/QM15-23BxxR2-AC-DC-On-Board-1-500x500.jpg 500w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/QM15-23BxxR2-AC-DC-On-Board-1.jpg 528w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p data-start=\"1263\" data-end=\"1648\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/how-do-switch-mode-power-supplies-work\/\">B\u1ed9 ngu\u1ed3n chuy\u1ec3n \u0111\u1ed5i ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/a><\/p>\n<h3 data-start=\"1650\" data-end=\"1694\"><span class=\"ez-toc-section\" id=\"What_is_a_Non-Isolated_Power_Supply\"><\/span>Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1696\" data-end=\"2006\">A <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-1000r3-dc-dc-power-module\/\">cung c\u1ea5p \u0111i\u1ec7n kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp<\/a> kh\u00f4ng c\u00f3 s\u1ef1 t\u00e1ch bi\u1ec7t n\u00e0y. \u0110\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 chung \u0111i\u1ec3m chung, \u0111i\u1ec1u n\u00e0y cho ph\u00e9p thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec3m t\u1ea3i (POL) v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u00f4ng gian ch\u1eadt h\u1eb9p v\u00e0 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n \u00e1p th\u1ea5p.<\/p>\n<p data-start=\"1696\" data-end=\"2006\"><a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-1000r3-dc-dc-power-module\/\"><img decoding=\"async\" class=\"size-medium wp-image-7722 alignnone\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-1000R3-DC-DC-Power-Module-1-300x300.png\" alt=\"B\u1ed9 ngu\u1ed3n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t=\" width=\"300\" height=\"300\" isolated vs non-isolated power supplies: differences title=\"\" srcset=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-1000R3-DC-DC-Power-Module-1-300x300.png 300w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-1000R3-DC-DC-Power-Module-1.png 394w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p data-start=\"1696\" data-end=\"2006\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/understanding-switching-power-supply-production\/\">T\u00ecm hi\u1ec3u v\u1ec1 s\u1ea3n xu\u1ea5t ngu\u1ed3n \u0111i\u1ec7n chuy\u1ec3n m\u1ea1ch<\/a><\/p>\n<h2 data-start=\"2008\" data-end=\"2080\"><span class=\"ez-toc-section\" id=\"9_Key_Differences_Between_Isolated_and_Non-Isolated_Power_Supplies\"><\/span>9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"168\" data-end=\"2564\">\n<thead data-start=\"168\" data-end=\"386\">\n<tr data-start=\"168\" data-end=\"386\">\n<th data-start=\"168\" data-end=\"201\" data-col-size=\"sm\"><strong data-start=\"170\" data-end=\"180\">Di\u1ec7n m\u1ea1o<\/strong><\/th>\n<th data-start=\"201\" data-end=\"293\" data-col-size=\"md\"><strong data-start=\"203\" data-end=\"228\">Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/strong><\/th>\n<th data-start=\"293\" data-end=\"386\" data-col-size=\"md\"><strong data-start=\"295\" data-end=\"324\">Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"607\" data-end=\"2564\">\n<tr data-start=\"607\" data-end=\"825\">\n<td data-start=\"607\" data-end=\"639\" data-col-size=\"sm\"><strong data-start=\"609\" data-end=\"622\">S\u1ef1 an to\u00e0n<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"639\" data-end=\"732\">Cung c\u1ea5p c\u00e1ch ly \u0111i\u1ec7n gi\u1eefa \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra, gi\u1ea3m nguy c\u01a1 b\u1ecb \u0111i\u1ec7n gi\u1eadt.<\/td>\n<td data-col-size=\"md\" data-start=\"732\" data-end=\"825\">Kh\u00f4ng c\u00f3 s\u1ef1 c\u00f4 l\u1eadp; \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u00f3 chung n\u1ec1n t\u1ea3ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra r\u1ee7i ro v\u1ec1 an to\u00e0n.<\/td>\n<\/tr>\n<tr data-start=\"826\" data-end=\"1042\">\n<td data-start=\"826\" data-end=\"857\" data-col-size=\"sm\"><strong data-start=\"828\" data-end=\"846\">EMI &amp; Ti\u1ebfng \u1ed3n<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"857\" data-end=\"949\">Gi\u1ea3m ti\u1ebfng \u1ed3n v\u00e0 EMI v\u01b0\u1ee3t tr\u1ed9i nh\u1edd r\u00e0o c\u1ea3n m\u00e1y bi\u1ebfn \u00e1p.<\/td>\n<td data-col-size=\"md\" data-start=\"949\" data-end=\"1042\">D\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi EMI v\u00e0 nhi\u1ec5u gi\u1eefa c\u00e1c m\u1ea1ch h\u01a1n.<\/td>\n<\/tr>\n<tr data-start=\"1043\" data-end=\"1259\">\n<td data-start=\"1043\" data-end=\"1074\" data-col-size=\"sm\"><strong data-start=\"1045\" data-end=\"1062\">Hi\u1ec7u qu\u1ea3<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1074\" data-end=\"1166\">Th\u01b0\u1eddng k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n do t\u1ed5n th\u1ea5t m\u00e1y bi\u1ebfn \u00e1p.<\/td>\n<td data-col-size=\"md\" data-start=\"1166\" data-end=\"1259\">Hi\u1ec7u su\u1ea5t cao (th\u01b0\u1eddng &gt;95%) v\u1edbi t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u.<\/td>\n<\/tr>\n<tr data-start=\"1260\" data-end=\"1476\">\n<td data-start=\"1260\" data-end=\"1291\" data-col-size=\"sm\"><strong data-start=\"1262\" data-end=\"1273\">K\u00edch c\u1ee1<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1291\" data-end=\"1383\">K\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n do c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn bi\u1ebfn \u00e1p v\u00e0 c\u00e1ch \u0111i\u1ec7n.<\/td>\n<td data-col-size=\"md\" data-start=\"1383\" data-end=\"1476\">Nh\u1ecf g\u1ecdn v\u00e0 nh\u1eb9, l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf.<\/td>\n<\/tr>\n<tr data-start=\"1477\" data-end=\"1695\">\n<td data-start=\"1477\" data-end=\"1511\" data-col-size=\"sm\"><strong data-start=\"1479\" data-end=\"1510\">\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 chi ph\u00ed<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1511\" data-end=\"1602\">Vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 ch\u1ee9ng nh\u1eadn ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 t\u1ed1n k\u00e9m h\u01a1n.<\/td>\n<td data-col-size=\"md\" data-start=\"1602\" data-end=\"1695\">Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n h\u01a1n v\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n trong c\u1ea3 thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t.<\/td>\n<\/tr>\n<tr data-start=\"1696\" data-end=\"1913\">\n<td data-start=\"1696\" data-end=\"1733\" data-col-size=\"sm\"><strong data-start=\"1698\" data-end=\"1732\">Ph\u1ea1m vi \u0111i\u1ec7n \u00e1p &amp; t\u00ednh linh ho\u1ea1t<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1733\" data-end=\"1820\">H\u1ed7 tr\u1ee3 d\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o\/\u0111\u1ea7u ra r\u1ed9ng v\u00e0 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p cao.<\/td>\n<td data-col-size=\"md\" data-start=\"1820\" data-end=\"1913\">Gi\u1edbi h\u1ea1n \u1edf c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n \u00e1p th\u1ea5p v\u1edbi d\u1ea3i \u0111i\u1ec7n \u00e1p h\u1eb9p h\u01a1n.<\/td>\n<\/tr>\n<tr data-start=\"1914\" data-end=\"2130\">\n<td data-start=\"1914\" data-end=\"1945\" data-col-size=\"sm\"><strong data-start=\"1916\" data-end=\"1943\">\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1945\" data-end=\"2037\">Thi\u1ebft b\u1ecb y t\u1ebf, t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng th\u00f4ng tin li\u00ean l\u1ea1c.<\/td>\n<td data-col-size=\"md\" data-start=\"2037\" data-end=\"2130\">\u0110i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, \u0111\u00e8n LED, c\u1ea3m bi\u1ebfn, thi\u1ebft b\u1ecb c\u1ea7m tay.<\/td>\n<\/tr>\n<tr data-start=\"2131\" data-end=\"2347\">\n<td data-start=\"2131\" data-end=\"2162\" data-col-size=\"sm\"><strong data-start=\"2133\" data-end=\"2152\">Vai tr\u00f2 s\u1ea3n ph\u1ea9m<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2162\" data-end=\"2254\">Ph\u1ee5c v\u1ee5 nh\u01b0 b\u1ed9 c\u00e1ch ly ngu\u1ed3n ch\u00ednh ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ng\u01b0\u1ee3c d\u00f2ng.<\/td>\n<td data-col-size=\"md\" data-start=\"2254\" data-end=\"2347\">Ch\u1ee9c n\u0103ng nh\u01b0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec3m t\u1ea3i (POL) ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i b\u01b0\u1edbc xu\u1ed1ng c\u1ee5c b\u1ed9.<\/td>\n<\/tr>\n<tr data-start=\"2348\" data-end=\"2564\">\n<td data-start=\"2348\" data-end=\"2379\" data-col-size=\"sm\"><strong data-start=\"2350\" data-end=\"2368\">Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"2379\" data-end=\"2471\">Kh\u00f3 m\u1edf r\u1ed9ng quy m\u00f4 h\u01a1n do k\u00edch th\u01b0\u1edbc v\u00e0 nhu c\u1ea7u c\u00e1ch ly.<\/td>\n<td data-col-size=\"md\" data-start=\"2471\" data-end=\"2564\">D\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 t\u00edch h\u1ee3p trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 nhi\u1ec1u \u0111\u01b0\u1eddng ray \u0111i\u1ec7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 data-start=\"2082\" data-end=\"2096\"><span class=\"ez-toc-section\" id=\"Safety\"><\/span>S\u1ef1 an to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2098\" data-end=\"2490\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/a> cung c\u1ea5p m\u1ed9t r\u00e0o c\u1ea3n v\u1eadt l\u00fd \u0111\u1ec3 b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn nh\u1ea1y c\u1ea3m kh\u1ecfi \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u00e0n \u0111\u1ea1p c\u1ea5p ngu\u1ed3n c\u00e1ch ly l\u1ea1i ph\u1ed5 bi\u1ebfn trong c\u00e1c thi\u1ebft b\u1ecb \u00e2m thanh n\u01a1i ph\u1ea3i gi\u1ea3m thi\u1ec3u nhi\u1ec5u \u0111i\u1ec7n v\u00e0 nguy c\u01a1 \u0111i\u1ec7n gi\u1eadt. <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-1000r3-dc-dc-power-module\/\">Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly<\/a>, m\u1eb7t kh\u00e1c, kh\u00f4ng cung c\u1ea5p s\u1ef1 b\u1ea3o v\u1ec7 nh\u01b0 v\u1eady v\u00e0 ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi vi\u1ec7c c\u00e1ch ly kh\u00f4ng ph\u1ea3i l\u00e0 y\u00eau c\u1ea7u quan tr\u1ecdng.<\/p>\n<h3 data-start=\"2492\" data-end=\"2513\"><span class=\"ez-toc-section\" id=\"EMI_and_Noise\"><\/span>EMI v\u00e0 ti\u1ebfng \u1ed3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2515\" data-end=\"2805\">Do r\u00e0o c\u1ea3n m\u00e1y bi\u1ebfn \u00e1p, <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">ngu\u1ed3n cung c\u1ea5p b\u1ecb c\u00f4 l\u1eadp<\/a> gi\u1ea3m \u0111\u00e1ng k\u1ec3 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) gi\u1eefa c\u00e1c m\u1ea1ch. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng y t\u1ebf v\u00e0 truy\u1ec1n th\u00f4ng. <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-1000r3-dc-dc-power-module\/\">Kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp<\/a> c\u00e1c phi\u00ean b\u1ea3n d\u1ec5 b\u1ecb nhi\u1ec5u h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong m\u00f4i tr\u01b0\u1eddng t\u1ea7n s\u1ed1 cao.<\/p>\n<h3 data-start=\"2807\" data-end=\"2825\"><span class=\"ez-toc-section\" id=\"Efficiency\"><\/span>Hi\u1ec7u qu\u1ea3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2827\" data-end=\"3070\">C\u00e1c ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly th\u01b0\u1eddng \u0111\u1ea1t hi\u1ec7u su\u1ea5t l\u1edbn h\u01a1n 95% v\u00ec ch\u00fang tr\u00e1nh \u0111\u01b0\u1ee3c t\u1ed5n th\u1ea5t m\u00e1y bi\u1ebfn \u00e1p c\u00f3 trong c\u00e1c ngu\u1ed3n cung c\u1ea5p c\u00e1ch ly. C\u00e1c thi\u1ebft b\u1ecb c\u00e1ch ly c\u00f3 hi\u1ec7u su\u1ea5t th\u1ea5p h\u01a1n m\u1ed9t ch\u00fat nh\u01b0ng \u0111\u00e1nh \u0111\u1ed5i n\u00f3 \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u00e0 ki\u1ec3m so\u00e1t ti\u1ebfng \u1ed3n t\u1ed1t h\u01a1n.<\/p>\n<p data-start=\"2827\" data-end=\"3070\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/delving-into-the-depths-how-power-supplies-smps-achieve-efficient-power-conversion\/\">\u0110i s\u00e2u v\u00e0o v\u1ea5n \u0111\u1ec1: C\u00e1ch th\u1ee9c B\u1ed9 ngu\u1ed3n (SMPS) \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/a><\/p>\n<h3 data-start=\"3072\" data-end=\"3084\"><span class=\"ez-toc-section\" id=\"Size\"><\/span>K\u00edch c\u1ee1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3086\" data-end=\"3292\">M\u00e1y bi\u1ebfn \u00e1p v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u1ea3o v\u1ec7 t\u1ea1o n\u00ean <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">ngu\u1ed3n \u0111i\u1ec7n b\u1ecb c\u00f4 l\u1eadp<\/a> c\u1ed3ng k\u1ec1nh h\u01a1n. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c t\u00f9y ch\u1ecdn kh\u00f4ng c\u00e1ch ly nh\u1ecf h\u01a1n, nh\u1eb9 h\u01a1n v\u00e0 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u00edch h\u1ee3p v\u00e0o PCB ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf.<\/p>\n<h3 data-start=\"3294\" data-end=\"3328\"><span class=\"ez-toc-section\" id=\"Design_Complexity_and_Cost\"><\/span>\u0110\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 chi ph\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3330\" data-end=\"3571\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">B\u1ecb c\u00f4 l\u1eadp<\/a> c\u00e1c thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 t\u1ed1n k\u00e9m h\u01a1n khi ph\u00e1t tri\u1ec3n do bao g\u1ed3m c\u00e1ch \u0111i\u1ec7n cao \u00e1p, ch\u1ee9ng nh\u1eadn an to\u00e0n v\u00e0 thi\u1ebft k\u1ebf m\u00e1y bi\u1ebfn \u00e1p. <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-1000r3-dc-dc-power-module\/\">Kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp<\/a> ngu\u1ed3n cung c\u1ea5p d\u1ec5 th\u1ef1c hi\u1ec7n h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n<h3 data-start=\"3573\" data-end=\"3610\"><span class=\"ez-toc-section\" id=\"Voltage_Range_and_Flexibility\"><\/span>Ph\u1ea1m vi \u0111i\u1ec7n \u00e1p v\u00e0 t\u00ednh linh ho\u1ea1t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3612\" data-end=\"3856\">B\u1ed9 ngu\u1ed3n c\u00e1ch ly x\u1eed l\u00fd nhi\u1ec1u lo\u1ea1i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra h\u01a1n, bao g\u1ed3m c\u00e1c k\u1ecbch b\u1ea3n chuy\u1ec3n \u0111\u1ed5i AC-DC ho\u1eb7c DC-DC cao. <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-2000r3-dc-dc-power-module\/\">Kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp<\/a> ngu\u1ed3n cung c\u1ea5p b\u1ecb h\u1ea1n ch\u1ebf h\u01a1n trong vi\u1ec7c x\u1eed l\u00fd \u0111i\u1ec7n \u00e1p v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng h\u1ea1 \u00e1p, h\u1ea1 \u00e1p.<\/p>\n<p data-start=\"3612\" data-end=\"3856\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/a-comprehensive-guide-to-dc-to-dc-converters\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i DC sang DC<\/a><\/p>\n<h3 data-start=\"3858\" data-end=\"3886\"><span class=\"ez-toc-section\" id=\"Typical_Applications\"><\/span>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3888\" data-end=\"4154\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf, h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng truy\u1ec1n th\u00f4ng\u2014b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o m\u00e0 s\u1ef1 an to\u00e0n v\u00e0 c\u00e1ch ly nhi\u1ec5u l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-2000r3-dc-dc-power-module\/\">V\u1eadt t\u01b0 kh\u00f4ng c\u00e1ch ly<\/a> ph\u1ed5 bi\u1ebfn trong tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n \u0111\u00e8n LED, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, c\u1ea3m bi\u1ebfn v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/p>\n<h3 data-start=\"4156\" data-end=\"4176\"><span class=\"ez-toc-section\" id=\"Product_Role\"><\/span>Vai tr\u00f2 s\u1ea3n ph\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4178\" data-end=\"4430\">C\u00e1c b\u1ed9 c\u00e1ch ly th\u01b0\u1eddng \u0111\u00f3ng vai tr\u00f2 l\u00e0 ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n cho h\u1ec7 th\u1ed1ng ch\u00ednh ho\u1eb7c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ng\u01b0\u1ee3c d\u00f2ng, trong khi c\u00e1c b\u1ed9 kh\u00f4ng c\u00e1ch ly \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng g\u1ea7n t\u1ea3i h\u01a1n, gi\u1ea3m \u0111i\u1ec7n \u00e1p khi c\u1ea7n thi\u1ebft. Nhi\u1ec1u h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng c\u1ea3 hai lo\u1ea1i song song \u0111\u1ec3 c\u00e2n b\u1eb1ng hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed.<\/p>\n<h3 data-start=\"4432\" data-end=\"4451\"><span class=\"ez-toc-section\" id=\"Scalability\"><\/span>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4453\" data-end=\"4679\"><a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-2000r3-dc-dc-power-module\/\">Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly<\/a> m\u1edf r\u1ed9ng quy m\u00f4 t\u1ed1t h\u01a1n cho c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u nhi\u1ec1u \u0111\u01b0\u1eddng ray \u0111\u1ea7u ra ho\u1eb7c ngu\u1ed3n \u0111i\u1ec7n ph\u00e2n t\u00e1n tr\u00ean c\u00e1c m\u00f4-\u0111un nh\u1ecf g\u1ecdn. C\u00e1c b\u1ed9 c\u1ea5p ngu\u1ed3n ri\u00eang bi\u1ec7t, tuy c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng nh\u01b0ng \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 ph\u00e2n b\u1ed5 kh\u00f4ng gian nhi\u1ec1u h\u01a1n cho m\u1ed7i k\u00eanh.<\/p>\n<h2 data-start=\"4681\" data-end=\"4724\"><span class=\"ez-toc-section\" id=\"Advantages_of_Isolated_Power_Supplies\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"182\" data-end=\"523\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm05-23bxxr2-ac-dc-on-board\/\">Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly<\/a> r\u1ea5t c\u1ea7n thi\u1ebft trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi s\u1ef1 an to\u00e0n, kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ed3n v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a \u0111i\u1ec7n \u00e1p. B\u1eb1ng c\u00e1ch t\u00e1ch \u0111i\u1ec7n \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra, ch\u00fang gi\u00fap b\u1ea3o v\u1ec7 ng\u01b0\u1eddi d\u00f9ng kh\u1ecfi b\u1ecb \u0111i\u1ec7n gi\u1eadt v\u00e0 ng\u0103n ng\u1eeba nhi\u1ec5u gi\u1eefa c\u00e1c m\u1ea1ch \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf, h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p v\u00e0 thi\u1ebft b\u1ecb \u00e2m thanh.<\/p>\n<p data-start=\"525\" data-end=\"1002\">\u0110\u1ec3 c\u00f3 gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3, Weho <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">QM15-23BxxR2 AC\/DC tr\u00ean bo m\u1ea1ch<\/a> B\u1ed9 chuy\u1ec3n \u0111\u1ed5i l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn m\u1ea1nh m\u1ebd. N\u00f3 cung c\u1ea5p c\u00f4ng su\u1ea5t \u0111i\u1ec1u ch\u1ec9nh 15W v\u1edbi c\u00e1ch ly 4000VAC, h\u1ed7 tr\u1ee3 d\u1ea3i \u0111\u1ea7u v\u00e0o r\u1ed9ng 85\u2013305VAC v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t t\u1eeb -40\u00b0C \u0111\u1ebfn +85\u00b0C. V\u1edbi hi\u1ec7u su\u1ea5t l\u00ean t\u1edbi 87%, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 t\u00edch h\u1ee3p v\u00e0 ch\u1ee9ng nh\u1eadn an to\u00e0n qu\u1ed1c t\u1ebf, n\u00f3 r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi kh\u1eaft khe nh\u01b0 h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng, thi\u1ebft b\u1ecb th\u00f4ng minh v\u00e0 l\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n<p data-start=\"525\" data-end=\"1002\"><a href=\"https:\/\/www.wehopower.com\/vi\/qm05-23bxxr2-ac-dc-on-board\/\"><img decoding=\"async\" class=\"size-full wp-image-7706 alignnone\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/QM05-23BxxR2-AC-DC-On-Board-1.png\" alt=\"B\u1ed9 ngu\u1ed3n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t=\" width=\"291\" height=\"291\" isolated vs non-isolated power supplies: differences title=\"\"><\/a><\/p>\n<p data-start=\"525\" data-end=\"1002\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/why-choose-weho-swicthing-power-supply\/\">T\u1ea1i sao ch\u1ecdn B\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch WEHO<\/a><\/p>\n<h2 data-start=\"5051\" data-end=\"5098\"><span class=\"ez-toc-section\" id=\"Advantages_of_Non-Isolated_Power_Supplies\"><\/span>\u01afu \u0111i\u1ec3m c\u1ee7a ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"310\" data-end=\"664\">B\u1ed9 ngu\u1ed3n kh\u00f4ng c\u00e1ch ly \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao nh\u1edd hi\u1ec7u su\u1ea5t cao, k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. Kh\u00f4ng c\u1ea7n m\u00e1y bi\u1ebfn \u00e1p, ch\u00fang \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng tuy\u1ec7t v\u1eddi v\u1edbi l\u01b0\u1ee3ng nhi\u1ec7t sinh ra t\u1ed1i thi\u1ec3u, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 kh\u00f4ng gian. Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n c\u1ee7a ch\u00fang c\u0169ng cho ph\u00e9p t\u00edch h\u1ee3p d\u1ec5 d\u00e0ng v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t.<\/p>\n<p data-start=\"666\" data-end=\"1224\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 \u0111ang t\u00ecm ki\u1ebfm gi\u1ea3i ph\u00e1p kh\u00f4ng c\u00f4 l\u1eadp \u0111\u00e1ng tin c\u1eady, Weho's <a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-2000r3-dc-dc-power-module\/\">M\u00f4-\u0111un ngu\u1ed3n DC\/DC K78xx-2000R3<\/a> n\u1ed5i b\u1eadt. V\u1edbi hi\u1ec7u su\u1ea5t l\u00ean t\u1edbi 96% v\u00e0 d\u00f2ng kh\u00f4ng t\u1ea3i c\u1ef1c th\u1ea5p, n\u00f3 h\u1ed7 tr\u1ee3 hi\u1ec7u su\u1ea5t \u0111\u1ea7u ra cao m\u00e0 kh\u00f4ng c\u1ea7n t\u1ea3n nhi\u1ec7t b\u00ean ngo\u00e0i. D\u1ea3i \u0111i\u1ec7n \u00e1p \u0111\u1ea7u v\u00e0o r\u1ed9ng, \u0111\u1ea7u ra 2000mA m\u1ea1nh m\u1ebd v\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng t\u1eeb -40oC \u0111\u1ebfn +85oC khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c cho c\u00e1c h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng, t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00f4ng nghi\u1ec7p v\u00e0 \u0111i\u1ec7n t\u1eed m\u1eadt \u0111\u1ed9 cao. Nh\u1ecf g\u1ecdn, b\u1ec1n b\u1ec9 v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi LM78xx, n\u00f3 cung c\u1ea5p l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p t\u00f9y \u00fd cho c\u00e1c thi\u1ebft k\u1ebf hi\u1ec7n c\u00f3 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u00f4ng su\u1ea5t hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p data-start=\"666\" data-end=\"1224\"><a href=\"https:\/\/www.wehopower.com\/vi\/k78xx-2000r3-dc-dc-power-module\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7725 size-medium alignnone\" src=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-2000R3-DC-DC-Power-Module-1-300x300.jpg\" alt=\"B\u1ed9 ngu\u1ed3n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t=\" width=\"300\" height=\"300\" isolated vs non-isolated power supplies: differences title=\"\" srcset=\"https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-2000R3-DC-DC-Power-Module-1-300x300.jpg 300w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-2000R3-DC-DC-Power-Module-1-500x500.jpg 500w, https:\/\/www.wehopower.com\/wp-content\/uploads\/2025\/03\/K78xx-2000R3-DC-DC-Power-Module-1.jpg 528w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p data-start=\"666\" data-end=\"1224\">T\u00ecm hi\u1ec3u th\u00eam: <a href=\"https:\/\/www.wehopower.com\/vi\/news\/uses-advantages-and-working-principle-of-a-switching-power-supply\/\">C\u00f4ng d\u1ee5ng, \u01b0u \u0111i\u1ec3m v\u00e0 nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a b\u1ed9 ngu\u1ed3n chuy\u1ec3n m\u1ea1ch<\/a><\/p>\n<h2 data-start=\"5361\" data-end=\"5377\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Ph\u1ea7n k\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5379\" data-end=\"5822\">L\u1ef1a ch\u1ecdn gi\u1eefa <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">b\u1ecb c\u00f4 l\u1eadp<\/a> v\u00e0 ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng c\u00e1ch ly t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. N\u1ebfu v\u1ea5n \u0111\u1ec1 an to\u00e0n, gi\u1ea3m EMI ho\u1eb7c x\u1eed l\u00fd \u0111i\u1ec7n \u00e1p cao l\u00e0 quan tr\u1ecdng th\u00ec ngu\u1ed3n cung c\u1ea5p c\u00e1ch ly l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 cao, nh\u1ecf g\u1ecdn v\u00e0 nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed, c\u00e1c t\u00f9y ch\u1ecdn kh\u00f4ng b\u1ecb c\u00f4 l\u1eadp l\u00e0 l\u00fd t\u01b0\u1edfng. C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u1ea5u tr\u00fac ngu\u1ed3n \u0111i\u1ec7n ng\u00e0y nay v\u00e0 hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3, \u0111\u00e1ng tin c\u1eady.<\/p>\n<p data-start=\"5824\" data-end=\"6044\">Cho d\u00f9 b\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ed9t chi\u1ebfc 24V <a href=\"https:\/\/www.wehopower.com\/vi\/qm15-23bxxr2-ac-dc-on-board\/\">cung c\u1ea5p \u0111i\u1ec7n b\u1ecb c\u00f4 l\u1eadp<\/a> \u0111\u1ed1i v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng nghi\u1ec7p ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a m\u1ea1ch chi\u1ebfu s\u00e1ng b\u1eb1ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i kh\u00f4ng c\u00e1ch ly, quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n n\u00e0y.<\/p>\n<p data-start=\"5824\" data-end=\"6044\">","protected":false},"excerpt":{"rendered":"<p>In the world of electronics and power systems, understanding the distinction between isolated and non-isolated power supplies is crucial. Whether you&#8217;re designing medical equipment, industrial controllers, or audio pedals, choosing the right type of power supply directly impacts safety, efficiency, and performance. This article explores the fundamental differences between isolated and non-isolated power supplies, helping&hellip; <a class=\"more-link\" href=\"https:\/\/www.wehopower.com\/vi\/news\/isolated-vs-non-isolated-power-supplies\/\">Ti\u1ebfp t\u1ee5c \u0111\u1ecdc <span class=\"screen-reader-text\">Ngu\u1ed3n \u0111i\u1ec7n c\u00e1ch ly v\u00e0 kh\u00f4ng c\u00e1ch ly: 9 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":5847,"parent":0,"menu_order":447,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_joinchat":[],"footnotes":""},"news_category":[149,148],"class_list":["post-8220","news","type-news","status-publish","format-standard","has-post-thumbnail","hentry","news_category-blog","news_category-industry-news","entry"],"acf":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/news\/8220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/comments?post=8220"}],"version-history":[{"count":0,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/news\/8220\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media\/5847"}],"wp:attachment":[{"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/media?parent=8220"}],"wp:term":[{"taxonomy":"news_category","embeddable":true,"href":"https:\/\/www.wehopower.com\/vi\/wp-json\/wp\/v2\/news_category?post=8220"}],"curies":[{"name":"wp c\u1ee7a t\u00f4i","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}