{"id":1425,"date":"2018-07-06T03:52:28","date_gmt":"2018-07-06T03:52:28","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1425"},"modified":"2025-01-02T14:50:06","modified_gmt":"2025-01-02T07:50:06","slug":"mach-nguon-on-ap-xung-trong-laptop","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1425","title":{"rendered":"M\u1ea1ch ngu\u1ed3n \u1ed5n \u00e1p xung trong laptop"},"content":{"rendered":"
\"M\u1ea1ch
M\u1ea1ch ngu\u1ed3n \u1ed5n \u00e1p xung trong laptop<\/figcaption><\/figure>\n

Kh\u00e1i ni\u1ec7m m\u1ea1ch ngu\u1ed3n \u1ed5n \u00e1p xung<\/strong><\/span><\/h2>\n

\u1ed4n \u00e1p xung c\u00f2n g\u1ecdi l\u00e0 \u1ed5n \u00e1p \u0111\u00f3ng ng\u1eaft, l\u00e0 \u1ed5n \u00e1p d\u1ef1a tr\u00ean nguy\u00ean l\u00fd h\u1ed3i ti\u1ebfp (nguy\u00ean l\u00fd b\u00f9), trong \u0111\u00f3 ph\u1ea7n t\u1eed \u0111i\u1ec1u ch\u1ec9nh l\u00e0m vi\u1ec7c \u1edf ch\u1ebf \u0111\u1ed9 xung. \u1ed4n \u00e1p xung c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi \u1ed5n \u00e1p tuy\u1ebfn t\u00ednh nh\u01b0 sau:<\/span><\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a \u1ed5n \u00e1p xung:<\/strong><\/span><\/p>\n

– C\u00f3 t\u1ed5n hao \u00edt n\u00ean hi\u1ec7u su\u1ea5t cao (th\u01b0\u1eddng tr\u00ean 80%)<\/span><\/p>\n

– \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh cao do ph\u1ea7n t\u1eed \u0111i\u1ec1u khi\u1ec3n l\u00e0m vi\u1ec7c \u1edf ch\u1ebf \u0111\u1ed9 xung<\/span><\/p>\n

– Th\u1ec3 t\u00edch v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng b\u1ed9 ngu\u1ed3n nh\u1ecf<\/span><\/p>\n

Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a \u1ed5n \u00e1p xung:<\/span><\/strong><\/p>\n

– Ph\u00e2n t\u00edch, thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p<\/span><\/p>\n

– B\u1ee9c x\u1ea1 s\u00f3ng, can nhi\u1ec5u trong d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng do \u0111\u00f3 c\u1ea7n c\u00f3 b\u1ed9 l\u1ecdc xung \u1edf ng\u00f5 v\u00e0o ngu\u1ed3n v\u00e0 b\u1ed9 ngu\u1ed3n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ecdc kim.<\/span><\/p>\n

S\u01a1 \u0111\u1ed3 kh\u1ed1i v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed5n \u00e1p xung<\/strong><\/span><\/h2>\n
\"S\u01a1
S\u01a1 \u0111\u1ed3 kh\u1ed1i c\u1ee7a \u1ed5n \u00e1p xung<\/figcaption><\/figure>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/span>
\nNgu\u1ed3n DC ch\u01b0a \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn ph\u1ea7n t\u1eed \u0111i\u1ec1u ch\u1ec9nh l\u00e0m vi\u1ec7c nh\u01b0 m\u1ed9t kh\u00f3a \u0111i\u1ec7n t\u1eed. Khi kh\u00f3a d\u1eabn th\u00ec ngu\u1ed3n n\u1ed1i \u0111\u1ebfn ng\u00f5 ra. Khi kh\u00f3a t\u1eaft th\u00ec c\u1eaft ngu\u1ed3n DC ra kh\u1ecfi m\u1ea1ch. Nh\u01b0 v\u1eady t\u00edn hi\u1ec7u \u1edf ng\u00f5 ra c\u1ee7a kh\u00f3a l\u00e0 m\u1ed9t d\u00e3y xung, do v\u1eady mu\u1ed1n c\u00f3 t\u00edn hi\u1ec7u DC ra t\u1ea3i ph\u1ea3i d\u00f9ng b\u1ed9 l\u1ecdc LC. Tu\u1ef3 thu\u1ed9c v\u00e0o t\u1ea7n s\u1ed1 v\u00e0 \u0111\u1ed9 r\u1ed9ng c\u1ee7a xung \u1edf ng\u00f5 ra c\u1ee7a kh\u00f3a m\u00e0 tr\u1ecb s\u1ed1 \u0111i\u1ec7n \u00e1p 1 chi\u1ec1u tr\u00ean t\u1ea3i c\u00f3 th\u1ec3 l\u1edbn hay nh\u1ecf. \u0110\u1ec3 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p DC tr\u00ean t\u1ea3i, ng\u01b0\u1eddi ta th\u01b0\u1eddng so s\u00e1nh n\u00f3 v\u1edbi m\u1ee9c \u0111i\u1ec7n \u00e1p chu\u1ea9n. S\u1ef1 sai l\u1ec7ch s\u1ebd \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u xung \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n kh\u00f3a \u0111i\u1ec7n t\u1eed. C\u00f3 3 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c hi\u1ec7n t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n:<\/span><\/p>\n

– \u0110i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung:<\/strong> gi\u1eef t\u1ea7n s\u1ed1 t\u00edn hi\u1ec7u xung kh\u00f4ng \u0111\u1ed5i nh\u01b0ng thay \u0111\u1ed5i \u0111\u1ed9 r\u1ed9ng xung l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p ra.<\/span><\/p>\n

– \u0110i\u1ec1u ch\u1ebf t\u1ea7n s\u1ed1 xung:<\/strong> gi\u1eef \u0111\u1ed9 r\u1ed9ng xung kh\u00f4ng thay \u0111\u1ed5i nh\u01b0ng thay \u0111\u1ed5i chu k\u1ef3 t\u00edn hi\u1ec7u xung l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p ra.<\/span><\/p>\n

– \u0110i\u1ec1u ch\u1ebf xung:<\/strong> v\u1eeba thay \u0111\u1ed5i \u0111\u1ed9 r\u00f4ng xung, v\u1eeba thay \u0111\u1ed5i \u0111\u1ed9 r\u1ed9ng xung.<\/span><\/p>\n

Ph\u00e2n lo\u1ea1i \u1ed5n \u00e1p xung<\/span><\/strong><\/h2>\n

C\u00f3 4 lo\u1ea1i \u1ed5n \u00e1p xung<\/span><\/p>\n

– \u1ed4n \u00e1p Buck:<\/strong> l\u00e0 lo\u1ea1i \u1ed5n \u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p trung b\u00ecnh ng\u00f5 ra nh\u1ecf h\u01a1n ng\u00f5 v\u00e0o.<\/span><\/p>\n

– \u1ed4n \u00e1p Boost:<\/strong> l\u00e0 lo\u1ea1i \u1ed5n \u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p trung b\u00ecnh ng\u00f5 ra l\u1edbn h\u01a1n ng\u00f5 v\u00e0o.<\/span><\/p>\n

– \u1ed4n \u00e1p Buck_Boost:<\/strong> l\u00e0 lo\u1ea1i \u1ed5n \u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p ng\u00f5 ra l\u1edbn h\u01a1n ho\u1eb7c nh\u1ecf h\u01a1n \u0111i\u1ec7n \u00e1p ng\u00f5 v\u00e0o.<\/span><\/p>\n

– \u1ed4n \u00e1p Cuk:<\/strong> l\u00e0 \u1ed5n \u00e1p c\u00f3 \u0111i\u1ec7n \u00e1p ng\u00f5 ra c\u00f3 th\u1ec3 l\u1edbn h\u01a1n ho\u1eb7c nh\u1ecf h\u01a1n \u0111i\u1ec7n \u00e1p ng\u00f5 v\u00e0o nh\u01b0ng c\u1ef1c t\u00ednh ng\u01b0\u1ee3c v\u1edbi \u0111i\u1ec7n \u00e1p ng\u00f5 v\u00e0o.<\/span><\/p>\n

\u1ed4n \u00e1p xung ki\u1ec3u Buck \u1ee9ng d\u1ee5ng trong Laptop:<\/strong> <\/span>\u1ed4n \u00e1p Buck l\u00e0 lo\u1ea1i \u0111i\u1ec7n \u00e1p trung b\u00ecnh ng\u00f5 ra nh\u1ecf h\u01a1n \u0111i\u1ec7n \u00e1p ng\u00f5 v\u00e0o, ho\u1ea1t \u0111\u1ed9ng theo ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung.<\/span><\/p>\n

S\u01a1 \u0111\u1ed3 m\u1ea1ch ngu\u1ed3n \u1ed5n \u00e1p xung<\/strong><\/span><\/h2>\n
\"S\u01a1
S\u01a1 \u0111\u1ed3 m\u1ea1ch ngu\u1ed3n \u1ed5n \u00e1p xung<\/figcaption><\/figure>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong><\/span><\/p>\n

Q l\u00e0m vi\u1ec7c nh\u01b0 m\u1ed9t kh\u00f3a \u0111i\u1ec7n t\u1eed, \u0111\u00f3ng ho\u1eb7c m\u1edf v\u1edbi t\u1ea7n s\u1ed1 kh\u00f4ng \u0111\u1ed5i. Xung \u0111i\u1ec1u khi\u1ec3n c\u00f3 t\u1ea7n s\u1ed1 f do kh\u1ed1i t\u1ea1o xung nh\u1ecbp t\u1ea1o ra. Ph\u1ea7n \u0111i\u1ec1u khi\u1ec3n th\u1ef1c hi\u1ec7n vi\u1ec7c so s\u00e1nh \u0111i\u1ec7n \u00e1p ra v\u1edbi \u0111i\u1ec7n \u00e1p chu\u1ea9n, k\u1ebft qu\u1ea3 s\u1ef1 sai l\u1ec7ch \u0111\u1ef1\u01a1c khu\u1ebfch \u0111\u1ea1i l\u00ean. M\u1ea1ch \u0111i\u1ec1u ch\u1ebf xung c\u0103n c\u1ee9 v\u00e0o s\u1ef1 sai l\u1ec7ch \u0111i\u1ec7n \u00e1p \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung, t\u1ea1o xung vu\u00f4ng c\u00f3 \u0111\u1ed9 r\u1ed9ng thay \u0111\u1ed5i \u0111\u1ec3 \u0111\u01b0a \u0111\u1ebfn transistor \u0111i\u1ec1u khi\u1ec3n th\u1eddi gian \u0111i\u1ec1u khi\u1ec3n c\u1ee7a n\u00f3. Trong kho\u1ea3ng th\u1eddi gian kh\u00f4ng t\u1ed3n t\u1ea1i xung \u0111i\u1ec1u khi\u1ec3n, d\u00f2ng ra \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m nh\u1edd t\u1ee5 C v\u00e0 cu\u1ed9n c\u1ea3m L.<\/span><\/p>\n

L\u01b0u \u00fd: <\/span>Trong laptop, \u0111\u1ec3 t\u1ea1o ra c\u00f4ng xu\u1ea5t l\u1edbn v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t cao m\u1ea1ch \u0111i\u1ec1u ch\u1ebf xung s\u1ebd cho ra 2 ngu\u1ed3n xung ng\u01b0\u1ee3c pha nhau v\u00e0 \u0111\u01b0a t\u1edbi 2 Fet m\u1eafc k\u00e9o \u0111\u1ea9y nh\u01b0 h\u00ecnh d\u01b0\u1edbi.<\/span><\/em><\/p>\n

\"M\u1ea1ch
M\u1ea1ch t\u1ea1o ra c\u00f4ng xu\u1ea5t l\u1edbn v\u00e0 c\u00f3 hi\u1ec7u su\u1ea5t cao<\/figcaption><\/figure>\n
\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n

C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/p>\n

MST: 0108733789<\/strong><\/p>\n

Hotline: 0981 223 001<\/strong><\/p>\n

Facebook:<\/strong>\u00a0www.fb.com\/hocvienit<\/a><\/p>\n

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Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a>
\n<\/i><\/p>\n

H\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<\/div>\n","protected":false},"excerpt":{"rendered":"

\u1ed4n \u00e1p xung c\u00f2n g\u1ecdi l\u00e0 \u1ed5n \u00e1p \u0111\u00f3ng ng\u1eaft, l\u00e0 \u1ed5n \u00e1p d\u1ef1a tr\u00ean nguy\u00ean l\u00fd h\u1ed3i ti\u1ebfp (nguy\u00ean l\u00fd b\u00f9), trong \u0111\u00f3 ph\u1ea7n t\u1eed \u0111i\u1ec1u ch\u1ec9nh l\u00e0m vi\u1ec7c \u1edf ch\u1ebf \u0111\u1ed9 xung. \u1ed4n \u00e1p xung c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi \u1ed5n \u00e1p tuy\u1ebfn t\u00ednh nh\u01b0 sau:<\/p>\n","protected":false},"author":95,"featured_media":12152,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[95,734,94],"tags":[240,683],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1425"}],"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=1425"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12152"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}