{"id":2416,"date":"2018-07-12T01:46:36","date_gmt":"2018-07-12T01:46:36","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=2416"},"modified":"2024-07-03T17:04:02","modified_gmt":"2024-07-03T10:04:02","slug":"mosfet-den-cong-suat-nguon-switching-tren-laptop","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=2416","title":{"rendered":"Mosfet \u0111\u00e8n c\u00f4ng su\u1ea5t ngu\u1ed3n switching"},"content":{"rendered":"
\"Mofet
Mofet \u0111\u00e8n c\u00f4ng su\u1ea5t ngu\u1ed3n Switching<\/figcaption><\/figure>\n

1. C\u1ea5u t\u1ea1o c\u1ee7a Mosfet tr\u00ean m\u00e1y Laptop<\/strong><\/span><\/p>\n

Tr\u00ean m\u00e1y Laptop, ng\u01b0\u1eddi ta s\u1eed d\u1ee5ng c\u1ea3 hai lo\u1ea1i Mosfet(M) l\u00e0 M thu\u1eadn v\u00e0 M ng\u01b0\u1ee3c trong \u0111\u00f3 M ng\u01b0\u1ee3c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n- ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u1ea5t\u00a0c\u1ea3 c\u00e1c m\u1ea1ch ngu\u1ed3n Switching. M thu\u1eadn ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 trong c\u00e1c m\u1ea1ch \u0111\u1ea7u v\u00e0o \u0111i\u1ec7n DCIN v\u00e0 V.BAT.<\/span><\/p>\n

M thu\u1eadn:<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

C\u00e1c ch\u00e2n c\u1ee7a M:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D(Drain): c\u1ef1c n\u1ec1n<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 S(Source): c\u1ef1c ngu\u1ed3n<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 G(Gate): c\u1ef1c c\u1ed5ng<\/span><\/p>\n

L\u01b0u \u00fd:<\/i><\/strong>\u00a0Chi\u1ec1u d\u00f2ng \u0111i\u1ec7n \u0111i qua M theo chi\u1ec1u ng\u01b0\u1ee3c v\u1edbi chi\u1ec1u m\u0169i t\u00ean. V\u1edbi M thu\u1eadn b\u1ea1n th\u1ea5y m\u0169i t\u00ean \u1edf c\u1ef1c S \u0111i h\u01b0\u1edbng ra ngo\u00e0i.<\/span><\/p>\n

M ng\u01b0\u1ee3c:<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

2. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Mosfet:<\/strong><\/span><\/p>\n

\u00a0– T\u1eeb c\u1ef1c G sang c\u1ef1c D c\u00e1ch \u0111i\u1ec7n<\/span><\/p>\n

\u00a0– T\u1eeb c\u1ef1c G sang c\u1ef1c S c\u00e1ch \u0111i\u1ec7n<\/span><\/p>\n

\u00a0– Khi ph\u00e2n c\u1ef1c thu\u1eadn cho c\u1ef1c D-S c\u1ee7a M th\u00ec d\u00f2ng \u0111i\u1ec7n \u0111i qua M ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n \u00e1p \u0111\u1eb7t t\u1ea1i c\u1ef1c G.<\/span><\/p>\n

\u00a0 \u00a0+ V\u1edbi M thu\u1eadn th\u00ec:<\/span><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Khi n\u1ea1p \u00e2m cho G sau \u0111\u00f3 ph\u00e2n c\u1ef1c thu\u1eadn cho D-S c\u1ee7a M( \u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n \u0111i t\u1eeb S sang D) th\u00ec M s\u1ebd d\u1eabn.<\/span><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Khi n\u1ea1p d\u01b0\u01a1ng cho G sau \u0111\u00f3 ph\u00e2n c\u1ef1c thu\u1eadn nh\u01b0 tr\u00ean th\u00ec M s\u1ebd t\u1eaft.<\/span><\/p>\n

\u00a0 \u00a0 + V\u1edbi M ng\u01b0\u1ee3c th\u00ec:<\/span><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Khi n\u1ea1p d\u01b0\u01a1ng cho G sau \u0111\u00f3 ph\u00e2n c\u1ef1c thu\u1eadn cho D-S(\u0111\u1ec3 d\u00f2ng \u0111i\u1ec7n \u0111i t\u1eeb D sang S) th\u00ec M s\u1ebd d\u1eabn.<\/span><\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Khi n\u1ea1p \u00e2m cho G sau \u0111\u00f3 ph\u00e2n c\u1ef1c thu\u1eadn nh\u01b0 tr\u00ean th\u00ec M s\u1ebd t\u1eaft.<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u00a0 \u00a0C\u00e1c Mosfet s\u1eed d\u1ee5ng tr\u00ean Laptop lu\u00f4n lu\u00f4n c\u00f3 \u0110iot \u0111\u1ea5u song song v\u1edbi c\u1ef1c D-S v\u00e0 ph\u00e2n c\u1ef1c ng\u01b0\u1ee3c v\u1edbi chi\u1ec1u d\u00f2ng \u0111i\u1ec7n \u0111i qua M:<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

\u00a0 \u00a0<\/span><\/p>\n

C\u00e1ch \u0111o Mosfet:<\/strong><\/span><\/p>\n

\u0110\u1ec3 c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa t\u1ed1t c\u00e1c m\u1ea1ch ngu\u1ed3n tr\u00ean m\u00e1y Laptop, b\u1ea1n c\u1ea7n c\u00f3 k\u1ef9 n\u0103ng v\u1ec1 ki\u1ec3m tra M. Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra b\u1ea1n c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 + X\u00e1c \u0111\u1ecbnh xem Mosfet \u0111\u00f3 l\u00e0 M thu\u1eadn hay M ng\u01b0\u1ee3c?<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 + X\u00e1c \u0111\u1ecbnh xem M \u0111\u00f3 c\u00f3 b\u1ecb ch\u1eadp hay kh\u00f4ng?<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0 + X\u00e1c \u0111\u1ecbnh xem M \u0111\u00f3 c\u00f3 c\u00f2n t\u1ed1t hay kh\u00f4ng?<\/span><\/p>\n

\"\"<\/span><\/p>\n

3.1 \u0110o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem \u0111\u00f3 l\u00e0 M thu\u1eadn hay M ng\u01b0\u1ee3c:<\/i><\/strong>\u00a0<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

\u00a0 \u00a0 \u00a0\u00a0Ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 v\u1ec1 thang \u0111o x1 ohm (khi \u0111\u00f3 que \u0111en s\u1ebd ra \u0111i\u1ec7n \u00e1p d\u01b0\u01a1ng, que \u0111\u1ecf ra \u0111i\u1ec7n \u00e1p \u00e2m). N\u1ebfu b\u1ea1n \u0111\u1eb7t que \u0111en v\u00e0o ch\u00e2n 1,2,3 v\u00e0 que \u0111\u1ecf v\u00e0o ch\u00e2n 5,6,7,8 m\u00e0 th\u1ea5y l\u00ean kim th\u00ec \u0111\u00f3 l\u00e0 M ng\u01b0\u1ee3c( v\u00ec M ng\u01b0\u1ee3c c\u00f3 1 \u0110iot m\u1eafc t\u1eeb c\u1ef1c S sang c\u1ef1c D v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111i t\u1eeb S sang D s\u1ebd \u0111i qua \u0110iot, nh\u01b0 h\u00ecnh tr\u00ean).<\/span><\/p>\n

V\u1edbi M ng\u01b0\u1ee3c, khi b\u1ea1n \u0111\u1eb7t que \u0111en v\u00e0o D,que \u0111\u1ecf v\u00e0o S s\u1ebd kh\u00f4ng th\u1ea5y l\u00ean kim( tr\u1eeb khi b\u1ea1n n\u1ea1p d\u01b0\u01a1ng cho c\u1ef1c G th\u00ec \u0111\u00e8n d\u1eabn v\u00e0 \u0111o nh\u01b0 tr\u00ean s\u1ebd th\u1ea5y l\u00ean kim).<\/span><\/p>\n

\"\"<\/span><\/p>\n

Khi b\u1ea1n \u0111\u1eb7t que \u0111en V\u00e0o D( ch\u00e2n 5,6,7,8), que \u0111\u1ecf v\u00e0o S(ch\u00e2n 1,2,3) m\u00e0 th\u1ea5y l\u00ean kim th\u00ec \u0111\u00f3 l\u00e0 M thu\u1eadn P_Chanel:<\/span><\/p>\n

M thu\u1eadn khi b\u1ea1n \u0111\u1eb7t que \u0111en v\u00e0o S, que \u0111\u1ecf v\u00e0o D c\u0169ng kh\u00f4ng th\u1ea5y \u0111\u00e8n d\u1eabn.\"\"<\/span><\/p>\n

3.2 C\u00e1ch \u0111o ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n M ng\u01b0\u1ee3c N_Chanel:<\/i><\/strong><\/span><\/p>\n

\u0110\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n M ng\u01b0\u1ee3c, b\u1ea1n c\u1ea7n th\u00e1o n\u00f3 ra ngo\u00e0i m\u1ea1ch in, \u0111\u1ec3 M l\u00ean v\u1eadt c\u00e1ch \u0111i\u1ec7n t\u1ed1t nh\u01b0 t\u1ea5m k\u00ednh r\u1ed3i ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 v\u1ec1 thang x1 kohm, sau \u0111\u00f3 b\u1ea1n \u0111o qua 4 b\u01b0\u1edbc sau \u0111\u00e2y:<\/span><\/p>\n

B1<\/strong>\u00a0\u0110o t\u1eeb G sang S ph\u1ea3i th\u1ea5y c\u00e1ch \u0111i\u1ec7n( kh\u00f4ng l\u00ean kim)<\/span><\/p>\n

\"\"<\/span><\/p>\n

 <\/p>\n

\u00a0 \u00a0 \u00a0\u00a0B2\u00a0\u0110o t\u1eeb G sang D ph\u1ea3i th\u1ea5y c\u00e1ch \u0111i\u1ec7n:<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u00a0 \u00a0 \u00a0Sau khi n\u1ea1p d\u01b0\u01a1ng cho G v\u00e0 \u0111o thu\u1eadn( ph\u00e2n c\u1ef1c thu\u1eadn) t\u1ee9c l\u00e0 que \u0111en v\u00e0o D,que \u0111\u1ecf v\u00e0o S th\u00ec \u0111\u00e8n ph\u1ea3i d\u1eabn:<\/span><\/p>\n

\"\"<\/span><\/p>\n

\u00a0 \u00a0 \u00a0 Sau khi n\u1ea1p \u00e2m cho G v\u00e0 \u0111o thu\u1eadn (ph\u00e2n c\u1ef1c thu\u1eadn cho D-S) th\u00ec \u0111\u00e8n ph\u1ea3i t\u1eaft:<\/span><\/p>\n

\"\"<\/span><\/p>\n

N\u1ebfu th\u1ecfa m\u00e3n c\u1ea3 4 b\u01b0\u1edbc tr\u00ean th\u00ec \u0111\u00e8n t\u1ed1t, ch\u1ec9 c\u1ea7n m\u1ed9t trong b\u1ed1n b\u01b0\u1edbc kh\u00f4ng th\u1ecfa m\u00e3n l\u00e0 \u0111\u00e8n h\u1ecfng.<\/span><\/p>\n

C\u00e1c tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y l\u00e0 Mosfet h\u1ecfng:<\/span><\/p>\n

–\u00a0\u00a0N\u1ebfu \u0111o G-S m\u00e0 l\u00ean kim l\u00e0 ch\u1eadp G-S<\/span><\/p>\n

–\u00a0\u00a0N\u1ebfu \u0111o G-D m\u00e0 l\u00ean kim l\u00e0 ch\u1eadp G-D<\/span><\/p>\n

–\u00a0\u00a0N\u1ebfu n\u1ea1p d\u01b0\u01a1ng cho G sau \u0111\u00f3 \u0111o thu\u1eadn DS m\u00e0 \u0111\u00e8n kh\u00f4ng d\u1eabn l\u00e0 \u0111\u1ee9t DS.<\/span><\/p>\n

–\u00a0\u00a0N\u1ebfu \u0111\u00e3 n\u1ea1p \u00e2m cho G sau \u0111\u00f3 \u0111o thu\u1eadn DS m\u00e0 \u0111\u00e8n v\u1eabn d\u1eabn( kh\u00f4ng t\u1eaft) l\u00e0 \u0111\u00e8n d\u00f2 hay ch\u1eadp DS.<\/span><\/p>\n

3.3 C\u00e1ch \u0111o ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n M thu\u1eadn( P_Chanel)<\/i><\/strong><\/span><\/p>\n

Th\u00e1o Mosfet ra ngo\u00e0i m\u1ea1ch in, \u0111\u1ec3 M l\u00ean v\u1eadt c\u00e1ch \u0111i\u1ec7n t\u1ed1t nh\u01b0 tr\u00ean t\u1ea5m k\u00ednh r\u1ed3i ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 v\u1ec1 thang x1 kohm, sau \u0111\u00f3 \u0111o qua 4 b\u01b0\u1edbc sau \u0111\u00e2y:<\/span><\/p>\n

B1<\/strong>\u00a0\u0110o t\u1eeb G sang S ph\u1ea3i c\u00e1ch \u0111i\u1ec7n( kh\u00f4ng l\u00ean kim):<\/span><\/p>\n

\"\"<\/span><\/p>\n

B2<\/strong>\u00a0\u0110o t\u1eeb G sang D ph\u1ea3i c\u00e1ch \u0111i\u1ec7n( kh\u00f4ng l\u00ean kim):<\/span><\/p>\n

\"\"<\/p>\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>
\nMST: 0108733789<\/strong>
\nT\u1ed5ng \u0111\u00e0i h\u1ed7 tr\u1ee3: 024 3566 8686 \u2013 Hotline: 0981 223 001<\/strong>
\nFacebook:<\/strong>\u00a0www.fb.com\/hocvienit<\/a><\/p>\n

\u0110\u0103ng k\u00fd k\u00eanh Youtube \u0111\u1ec3 theo d\u00f5i c\u00e1c b\u00e0i h\u1ecdc c\u1ee7a Hu\u1ea5n luy\u1ec7n vi\u00ean t\u1ed1t nh\u1ea5t:<\/strong>\u00a0http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/p>\n

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

Tr\u1ee5 s\u1edf H\u00e0 N\u1ed9i:<\/strong>\u00a0S\u1ed1 8 ng\u00f5 117 Th\u00e1i H\u00e0, \u0110\u1ed1ng \u0110a, H\u00e0 N\u1ed9i<\/p>\n

H\u1ed3 Ch\u00ed Minh:<\/strong>\u00a0S\u1ed1 283\/45 C\u00e1ch M\u1ea1ng Th\u00e1ng T\u00e1m, Ph\u01b0\u1eddng 12, Qu\u1eadn 10,\u00a0TP.HCM
\nH\u1ea3i Ph\u00f2ng:<\/strong>\u00a0S\u1ed1 94 Qu\u00e1n Nam, L\u00ea Ch\u00e2n, H\u1ea3i Ph\u00f2ng<\/p>\n

Th\u00e1i Nguy\u00ean:<\/strong>\u00a0S\u1ed1 297 L\u01b0\u01a1ng Ng\u1ecdc Quy\u1ebfn, TP. Th\u00e1i Nguy\u00ean
\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

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

T\u1ea5t t\u1ea7n t\u1eadt v\u1ec1 Mosfet \u0111\u00e8n c\u00f4ng su\u1ea5t ngu\u1ed3n. 1. C\u1ea5u t\u1ea1o c\u1ee7a Mosfet tr\u00ean m\u00e1y Laptop. 2. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Mosfet. 3.1 \u0110o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem \u0111\u00f3 l\u00e0 M thu\u1eadn hay M ng\u01b0\u1ee3c. 3.2 C\u00e1ch \u0111o ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n M ng\u01b0\u1ee3c N_Chanel. 3.3 C\u00e1ch \u0111o ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e8n M thu\u1eadn( P_Chanel).<\/p>\n","protected":false},"author":95,"featured_media":12352,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,94],"tags":[498],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2416"}],"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=2416"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/2416\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12352"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}