{"id":27878,"date":"2023-07-11T16:45:05","date_gmt":"2023-07-11T09:45:05","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=27878"},"modified":"2024-07-01T22:17:05","modified_gmt":"2024-07-01T15:17:05","slug":"nguon-thu-cap-tren-laptop-va-cach-hoat-dong","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=27878","title":{"rendered":"Ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng"},"content":{"rendered":"

Trong laptop, ngu\u1ed3n th\u1ee9 c\u1ea5p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c linh ki\u1ec7n tr\u00ean mainboard, gi\u00fap kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh. Ngu\u1ed3n th\u1ee9 c\u1ea5p bao g\u1ed3m c\u00e1c \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p nh\u01b0 5V, 3.3V, 2.5V, 1.8V, 1.5V, 1.25V, 1.2V, 1.05V v\u00e0 0.9V.\u00a0<\/span><\/p>\n

\"Ngu\u1ed3n
Ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/span><\/figcaption><\/figure>\n

Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng H\u1ecdc vi\u1ec7n iT.vn t\u00ecm hi\u1ec3u chi ti\u1ebft v\u1ec1 ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop nh\u00e9!<\/span><\/p>\n

Xem th\u00eam:\u00a0T\u00ecm hi\u1ec3u v\u1ec1 ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc tr\u00ean mainboard laptop<\/a><\/span><\/p><\/blockquote>\n

1. Kh\u00e1i ni\u1ec7m v\u1ec1 ngu\u1ed3n th\u1ee9 c\u1ea5p<\/strong><\/span><\/h2>\n

Ngu\u1ed3n th\u1ee9 c\u1ea5p l\u00e0 c\u00e1c ngu\u1ed3n \u0111i\u1ec7n xu\u1ea5t hi\u1ec7n sau khi ng\u01b0\u1eddi d\u00f9ng nh\u1ea5n n\u00fat m\u1edf ngu\u1ed3n. Ch\u00fang \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc nh\u01b0 5V v\u00e0 3.3V, v\u00e0 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c linh ki\u1ec7n tr\u00ean mainboard \u0111\u1ec3 chu\u1ea9n b\u1ecb cho vi\u1ec7c kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh. Tuy nhi\u00ean, ngu\u1ed3n th\u1ee9 c\u1ea5p kh\u00f4ng bao g\u1ed3m ngu\u1ed3n VCORE c\u1ea5p cho CPU.<\/span><\/p>\n

\"Ngu\u1ed3n
Ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop<\/span><\/figcaption><\/figure>\n

C\u00e1c \u0111i\u1ec7n \u00e1p th\u1ee9 c\u1ea5p kh\u00e1c nh\u01b0 2.5V, 1.8V, 1.5V, 1.25V, 1.2V, 1.05V v\u00e0 0.9V \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c ngu\u1ed3n xung kh\u00e1c nhau. V\u00ed d\u1ee5, \u0111i\u1ec7n \u00e1p 2.5V v\u00e0 1.25V \u0111\u01b0\u1ee3c c\u1ea5p cho RAM DDR, trong khi \u0111i\u1ec7n \u00e1p 1.8V v\u00e0 0.9V \u0111\u01b0\u1ee3c c\u1ea5p cho RAM DDR2.<\/span><\/p>\n

\u0110\u1eb7c bi\u1ec7t, ngu\u1ed3n th\u1ee9 c\u1ea5p ch\u1ec9 xu\u1ea5t hi\u1ec7n khi mainboard \u0111\u00e3 c\u00f3 ngu\u1ed3n \u0111\u1ea7u v\u00e0o, ngu\u1ed3n ch\u1edd v\u00e0 ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc.<\/span><\/p>\n

2. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop<\/strong><\/span><\/h2>\n

C\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop bao g\u1ed3m m\u1ed9t IC dao \u0111\u1ed9ng ngu\u1ed3n v\u00e0 c\u1eb7p mosfet. M\u1eb7c d\u00f9 m\u1ed7i ngu\u1ed3n xung th\u1ee9 c\u1ea5p c\u00f3 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng ri\u00eang, nh\u01b0ng ch\u00fang \u0111\u1ec1u c\u00f3 c\u1ea5u tr\u00fac v\u00e0 nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 nhau.<\/span><\/p>\n

\"Nguy\u00ean
Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop<\/span><\/figcaption><\/figure>\n

B\u01b0\u1edbc 1:<\/strong> \u0110\u1ec3 ngu\u1ed3n xung th\u1ee9 c\u1ea5p ho\u1ea1t \u0111\u1ed9ng, IC dao \u0111\u1ed9ng ngu\u1ed3n nh\u1eadn ngu\u1ed3n t\u1eeb ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc +5VSUS<\/strong> v\u00e0 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi ch\u00e2n VCC<\/strong> v\u00e0 VDD<\/strong>. Ngu\u1ed3n PWR_SRC<\/strong> \u0111\u01b0\u1ee3c c\u1ea5p cho ch\u00e2n V+<\/strong> c\u1ee7a IC dao \u0111\u1ed9ng ngu\u1ed3n.<\/span><\/p>\n

B\u01b0\u1edbc 2:<\/strong> IC SIO<\/strong> ra l\u1ec7nh m\u1edf ngu\u1ed3n th\u1ee9 c\u1ea5p th\u00f4ng qua c\u00e1c ch\u00e2n ON1<\/strong> v\u00e0 ON2<\/strong> c\u1ee7a IC dao \u0111\u1ed9ng ngu\u1ed3n.<\/span><\/p>\n

B\u01b0\u1edbc 3:<\/strong> IC dao \u0111\u1ed9ng ngu\u1ed3n t\u1ea1o ra xung \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p th\u00f4ng qua c\u1eb7p mosfet PQ13<\/strong> \u1edf ch\u00e2n DH2<\/strong> v\u00e0 DL2<\/strong>.<\/span><\/p>\n

B\u01b0\u1edbc 4:<\/strong> Xung \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n \u00e1p sau khi \u0111i qua c\u1eb7p mosfet PQ13<\/strong> s\u1ebd \u0111\u01b0\u1ee3c l\u1ecdc qua m\u1ea1ch c\u00f3 cu\u1ed9n d\u00e2y PL4<\/strong>, t\u1eeb \u0111\u00f3 t\u1ea1o ra ngu\u1ed3n th\u1ee9 c\u1ea5p VCC_1_2_MCH<\/strong> v\u1edbi \u0111i\u1ec7n \u00e1p 1.2V<\/strong>, cung c\u1ea5p cho chipset B\u1eafc tr\u00ean mainboard.<\/span><\/p>\n

B\u01b0\u1edbc 5:<\/strong> Khi ngu\u1ed3n th\u1ee9 c\u1ea5p \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, IC dao \u0111\u1ed9ng ngu\u1ed3n t\u1ea1o ra t\u00edn hi\u1ec7u b\u00e1o ngu\u1ed3n th\u1ee9 c\u1ea5p t\u1ed1t PWROK<\/strong> th\u00f4ng qua ch\u00e2n PGOOD<\/strong>.<\/span><\/p>\n

3. Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra ngu\u1ed3n th\u1ee9 c\u1ea5p<\/strong><\/span><\/h2>\n

\u0110\u1ec3 ki\u1ec3m tra ngu\u1ed3n th\u1ee9 c\u1ea5p, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t ngu\u1ed3n \u0111a n\u0103ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc sau:<\/span><\/p>\n

B\u01b0\u1edbc 1:<\/strong> G\u1eafn b\u00e0n ph\u00edm v\u00e0 c\u1ea5p ngu\u1ed3n cho laptop b\u1eb1ng ngu\u1ed3n \u0111a n\u0103ng.<\/span><\/p>\n

B\u01b0\u1edbc 2:<\/strong> Khi nh\u1ea5n n\u00fat Power<\/strong>, ta quan s\u00e1t d\u00f2ng \u0111i\u1ec7n ti\u00eau th\u1ee5 c\u1ee7a laptop. N\u1ebfu d\u00f2ng \u0111i\u1ec7n t\u0103ng l\u00ean kho\u1ea3ng 0.3A<\/strong>, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y c\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p \u0111\u00e3 xu\u1ea5t hi\u1ec7n, nh\u01b0ng CPU v\u1eabn ch\u01b0a ho\u1ea1t \u0111\u1ed9ng.<\/span><\/p>\n

Qua c\u00e1c thao t\u00e1c tr\u00ean, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh li\u1ec7u ngu\u1ed3n th\u1ee9 c\u1ea5p ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng hay c\u00f3 s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/span><\/p>\n

C\u00f3 th\u1ec3 b\u1ea1n quan t\u00e2m:\u00a0HLV. Tr\u01b0\u01a1ng V\u0103n Sinh: T\u00ecm hi\u1ec3u th\u1ee9 t\u1ef1 c\u00e1c ngu\u1ed3n \u0111i\u1ec7n tr\u00ean MacBook<\/a><\/span><\/p><\/blockquote>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p t\u1ed1t nh\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:
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\nH\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Ngu\u1ed3n th\u1ee9 c\u1ea5p tr\u00ean laptop \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c linh ki\u1ec7n tr\u00ean mainboard, gi\u00fap kh\u1edfi \u0111\u1ed9ng m\u00e1y t\u00ednh.<\/p>\n","protected":false},"author":95,"featured_media":27879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95,94],"tags":[],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/27878"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=27878"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/27878\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/27879"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}