{"id":1497,"date":"2018-07-06T04:20:21","date_gmt":"2018-07-06T04:20:21","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1497"},"modified":"2024-07-03T17:18:04","modified_gmt":"2024-07-03T10:18:04","slug":"nguyen-ly-tao-nguon-3v5v","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1497","title":{"rendered":"Nguy\u00ean l\u00fd t\u1ea1o ngu\u1ed3n 3v\/5v"},"content":{"rendered":"
<\/header>\n
\n
\"Nguy\u00ean
Nguy\u00ean l\u00fd t\u1ea1o ngu\u1ed3n 3v\/5v<\/figcaption><\/figure>\n

Ph\u00e2n t\u00edch chi ti\u1ebft nguy\u00ean l\u00fd m\u1edf ngu\u1ed3n 3v\/5v v\u00e0 c\u00e1ch ki\u1ec3m tra ngu\u1ed3n 3v\/5v trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa l\u1ed7i m\u1ea5t ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc. Ph\u00e2n t\u00edch m\u1ea1ch cho ic 3v\/5v cho 2 ic th\u00f4ng d\u1ee5ng 24 pin v\u00e0 32 pin t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c 3v\/5v sau:<\/span><\/p>\n

-Lo\u1ea1i ic 3v\/5v 24 pin g\u1ed3m: TPS 51125, TPS51123, RT8205A\/B\/C, RT8223A\/B.<\/span><\/p>\n

-Lo\u1ea1i ic 3v\/5v 32 pin g\u1ed3m: RT8206B, TPS51427, ISL6237, SN608098, PM6686.<\/span><\/p>\n

C\u00e1c ic c\u00f9ng s\u1ed1 pin tr\u00ean thay th\u1ebf \u0111\u01b0\u1ee3c cho nhau tr\u00ean main laptop.<\/span><\/p>\n

Ph\u00e2n t\u00edch nguy\u00ean l\u00fd t\u1ea1o ngu\u1ed3n 3v\/5v<\/span><\/p>\n

M\u1ea1ch t\u1ea1o ngu\u1ed3n 3v\/5v c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 m\u1ea1ch t\u1ea1o ngu\u1ed3n RAM, CPU, VGA, NAM, B\u1eaeC…<\/span><\/p>\n

Ngu\u1ed3n 3v\/5v do ic giao \u0111\u1ed9ng 3v\/5v t\u1ea1o ra khi c\u00f3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/span><\/p>\n

– Ngu\u1ed3n Vin<\/span><\/p>\n

– GND<\/span><\/p>\n

-ENB1, ENB2<\/span><\/p>\n

– POWER GOOD.<\/span><\/p>\n

M\u1ea0CH T\u1ed4NG QUAN T\u1ea0O NGU\u1ed2N 3V\/5V LO\u1ea0I 24PIN<\/span><\/p>\n

 <\/p>\n

M\u1ea5t ngu\u1ed3n 3v\/5v do c\u00e1c nguy\u00ean nh\u00e2n sau<\/span><\/p>\n

-Ch\u1ea1m ch\u1eadp ngu\u1ed3n tr\u00ean 2 nh\u00e1nh 3v\/5v<\/span><\/p>\n

– Do l\u1ed7i I\/O<\/span><\/p>\n

-Do l\u1ed7i bios<\/span><\/p>\n

-Do ic 3v\/5v l\u1ed7i<\/span><\/p>\n

\u0110\u1ec3 ki\u1ec3m tra kh\u1eafc ph\u1ee5c l\u1ed7i m\u1ea5t ngu\u1ed3n 3v\/5v ch\u00fang ta ki\u1ec3m tra c\u00e1c ch\u00e2n sau:<\/span><\/p>\n

 <\/p>\n

M\u1ea0CH T\u1ed4NG QUAN T\u1ea0O NGU\u1ed2N 3V\/5V L\u1ea0I 32 PIN<\/span><\/p>\n

TI\u00caU BI\u00caU IC 3v\/5v RT8206B<\/span><\/p>\n

L\u01afU Y\u0301 RT8206 A\/B KHA\u0301C NHAU KH\u00d4NG THAY TH\u00ca\u0301 \u0110\u01af\u01a0\u0323C CHO NHAU<\/span><\/p>\n

 <\/p>\n

V\u1edaI IC RT8206B TI\u00caU BI\u1ec2U CHO LO\u1ea0I 32 PIN T\u01af\u01a0NG T\u1ef0 NH\u01af LO\u1ea0I 24PIN<\/span><\/p>\n

KHI M\u1ea4T NGU\u1ed2N C\u00c1C B\u1ea0N C\u1ea6N QUAN T\u00c2M \u0110\u1ebeN C\u00c1C CH\u00c2N NH\u01af TRONG H\u00ccNH B\u00caN D\u01af\u1edaI.<\/span><\/p>\n

NGUY\u00caN NH\u00c2N G\u00c2Y M\u1ea4T NGU\u1ed2N C\u0168NG T\u01af\u01a0NG T\u1ef0 NH\u01af LO\u1ea0I 24PIN.<\/span><\/p>\n

 <\/p>\n

IC 3V\/5V RT8206B n\u00f3i chung c\u00f3 kh\u00e1c bi\u1ec7t v\u1edbi 3v\/5v lo\u1ea1i 24 pin. Nh\u1eafc l\u1ea1i nguy\u00ean l\u00fd m\u1ed9t ch\u00fat IC d\u00f9ng \u0111i\u1ec7n 19v v\u00e0o ch\u00e2n vin r\u1ed3i t\u1ea1o ra c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p kh\u00e1c nhau nh\u01b0 5v, 3.3v, 1.9v, c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p n\u00e0y nu\u00f4i ng\u01b0\u1ee3c l\u1ea1i cho c\u00e1c kh\u1ed1i tr\u00ean ic. \u0110i\u1ec1u kh\u00e1c bi\u1ec7t \u1edf \u0111\u00e2y l\u00e0 IC RT8206B ch\u00e2n Vin c\u00f3 19v v\u00e0o ic hay kh\u00f4ng do ch\u00e2n LDO s\u1ed1 4 qu\u1ea3n l\u00fd. Khi ic c\u00f3 Vin v\u1edbi \u0111i\u1ec1u ki\u1ec7n LDO c\u00f3 \u0111i\u1ec7n \u00e1p trong kho\u1ea3ng logic m\u1ee9c cao (3.3v).<\/span><\/p>\n

Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch ki\u1ec3m tra ngu\u1ed3n 3v\/5v lo\u1ea1i 32 pin t\u01b0\u01a1ng t\u1ef1 nh\u01b0 24 pin.<\/span><\/p>\n

C\u1ea3m \u01a1n c\u00e1c b\u1ea1n \u0111\u00e3 quan t\u00e2m \u0111\u1ebfn b\u00e0i vi\u1ebft. C\u00e1c b\u1ea1n c\u00f3 \u00fd ki\u1ebfn hay c\u00f3 t\u00ecm hi\u1ec3u n\u00e0o v\u1ec1 c\u00e1c ic 3v\/5v n\u00e0y chia s\u1ebb cho m\u1ecdi ng\u01b0\u1eddi.<\/span><\/p>\n<\/div>\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":"

Ph\u00e2n t\u00edch chi ti\u1ebft nguy\u00ean l\u00fd m\u1edf ngu\u1ed3n 3v\/5v v\u00e0 c\u00e1ch ki\u1ec3m tra ngu\u1ed3n 3v\/5v trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa l\u1ed7i m\u1ea5t ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc. Ph\u00e2n t\u00edch m\u1ea1ch cho ic 3v\/5v cho 2 ic th\u00f4ng d\u1ee5ng 24 pin v\u00e0 32 pin t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c 3v\/5v sau.<\/p>\n","protected":false},"author":95,"featured_media":12119,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[688],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1497"}],"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=1497"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1497\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12119"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}