{"id":1685,"date":"2018-07-06T07:19:07","date_gmt":"2018-07-06T07:19:07","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1685"},"modified":"2024-07-03T17:13:39","modified_gmt":"2024-07-03T10:13:39","slug":"nguon-cho-tren-may-laptop","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1685","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y Laptop"},"content":{"rendered":"

Trong h\u1ec7 th\u1ed1ng kh\u1ed1i ngu\u1ed3n c\u1ee7a laptop, ngu\u1ed3n ch\u1edd c\u00f3 vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng. Ch\u00ednh v\u00ec v\u1eady, vi\u1ec7c t\u00ecm hi\u1ec3u ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y Laptop l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft. H\u00e3y c\u00f9ng HOCVIENiT.vn t\u00ecm hi\u1ec1u v\u1ec1 ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y laptop qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/span><\/p>\n

\"Nh\u1eefng
Nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y Laptop<\/figcaption><\/figure>\n

1. \u0110\u1ecbnh ngh\u0129a v\u1ec1 ngu\u1ed3n ch\u1edd<\/h2>\n

Ngu\u1ed3n ch\u1edd l\u00e0 ngu\u1ed3n \u0111i\u1ec7n \u00e1p th\u1ea5p \u0111\u1ea7u ti\u00ean tr\u00ean m\u00e1y( 5V ho\u1eb7c 5V v\u00e0 3V) do m\u1ea1ch \u1ed5n \u00e1p REGU t\u1ea1o ra \u0111\u1ec3 c\u1ea5p ngu\u1ed3n cho m\u1ed9t s\u1ed1 m\u1ea1ch c\u1ea7n \u0111i\u1ec7n \u00e1p th\u1ea5p nh\u01b0 SIO( IC \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n), ch\u00e2n VDD c\u1ee7a IC dao \u0111\u1ed9ng 5V, 3V c\u1ea5p tr\u01b0\u1edbc ho\u1eb7c m\u1ed9t s\u1ed1 m\u1ea1ch b\u1ea3o v\u1ec7.<\/span><\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c m\u00e1y Laptop \u0111\u1ec1u c\u00f3 ngu\u1ed3n ch\u1edd ra \u1edf ch\u00e2n All Always On c\u1ee7a IC dao \u0111\u1ed9ng<\/span><\/p>\n

ngu\u1ed3n 5V, 3V c\u1ea5p tr\u01b0\u1edbc. Ngu\u1ed3n ch\u1edd c\u00f3 \u0111i\u1ec7n \u00e1p 5V ho\u1eb7c 5V v\u00e0 3V v\u00e0 xu\u1ea5t hi\u1ec7n \u1edf t\u1ea5t c\u1ea3 m\u1ecdi th\u1eddi \u0111i\u1ec3m khi m\u00e1y c\u00f3 g\u1eafn ngu\u1ed3n Pin ho\u1eb7c c\u1eafm Adapter. M\u1ea1ch REGU t\u1ea1o ra ngu\u1ed3n ch\u1edd \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p trong IC dao \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc 5V, 3V.<\/span><\/p>\n

2. C\u00e1c d\u1ea1ng ngu\u1ed3n ch\u1edd tr\u00ean c\u00e1c d\u00f2ng m\u00e1y Laptop<\/span><\/h2>\n

D\u1ea1ng 1: Ngu\u1ed3n ch\u1edd c\u1ea5p ngu\u1ed3n cho IC-SIO<\/span><\/p>\n

(D\u1ea1ng n\u00e0y th\u01b0\u1eddng g\u1eb7p tr\u00ean h\u1ea7u h\u1ebft c\u00e1c d\u00f2ng m\u00e1y nh\u01b0 HP, SONY, DELL, ASUS, ACER\u2026)<\/span><\/p>\n

D\u1ea1ng 2: Ngu\u1ed3n ch\u1edd c\u1ea5p \u0111i\u1ec7n cho ch\u00e2n l\u1ec7nh ON5, ON3 c\u1ee7a IC dao \u0111\u1ed9ng ngu\u1ed3n c\u1ea5p<\/span><\/p>\n

tr\u01b0\u1edbc:<\/span><\/p>\n

D\u1ea1ng 3: D\u00f2ng m\u00e1y IBM c\u00f3 hai \u0111i\u1ec7n \u00e1p ch\u1edd: m\u1ed9t \u0111i\u1ec7n \u00e1p ra t\u1eeb ch\u00e2n All Always On c\u1ee7a<\/span><\/p>\n

IC dao \u0111\u1ed9ng 5V, 3V, m\u1ed9t \u0111i\u1ec7n \u00e1p ra t\u1eeb ch\u00e2n IC-TB62501( \u0111i\u1ec7n \u00e1p VCC3SW) \u0111\u1ec3 c\u1ea5p ngu\u1ed3n<\/span><\/p>\n

cho IC-PMH4( SIO).<\/span><\/p>\n

3. M\u1ea1ch t\u1ea1o ra ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y ASUS:<\/span><\/h2>\n

Ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3:<\/span><\/p>\n

B1: Khi c\u1ea5p ngu\u1ed3n DCIN ho\u1eb7c g\u1eafn Pin, ban \u0111\u1ea7u m\u00e1y s\u1ebd c\u00f3 ngu\u1ed3n \u0111\u1ea7u v\u00e0o<\/span><\/p>\n

AC_BAT_SYS.<\/span><\/p>\n

B2: \u0110i\u1ec7n \u00e1p AC_BAT_SYS \u0111i v\u00e0o ch\u00e2n VIN c\u1ee7a IC dao \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc 5V,<\/span><\/p>\n

3V. M\u1ea1ch REGU trong IC s\u1ebd h\u1ea1 \u00e1p xu\u1ed1ng 5V r\u1ed3i \u0111i qua chuy\u1ec3n m\u1ea1ch SW sau \u0111\u00f3 t\u1ea1o ra<\/span><\/p>\n

ngu\u1ed3n ch\u1edd ra \u1edf ch\u00e2n All Always On( ch\u00e2n VREG5).<\/span><\/p>\n

B3: Ngu\u1ed3n ch\u1edd 5V cho gi\u1ea3m \u00e1p qua IC-U8102 l\u1ea5y ra 3.3V c\u1ea5p cho IC \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n.<\/span><\/p>\n

B4: khi \u0111i\u1ec7n \u00e1p DCIN >14V th\u00ec m\u1ea1ch d\u00f2 \u00e1p s\u1ebd cho t\u00edn hi\u1ec7u b\u00e1o v\u1ec1 ch\u00e2n AC_IN.<\/span><\/p>\n

B5: Khi c\u00f3 ngu\u1ed3n th\u1ee9 c\u1ea5p 3.3V v\u00e0 c\u00f3 t\u00edn hi\u1ec7u \u1edf ch\u00e2n AC_IC th\u00ec IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd t\u1ef1 \u0111\u1ed9ng<\/span><\/p>\n

cho ra l\u1ec7nh VSUS_ON quay l\u1ea1i \u0111i\u1ec1u khi\u1ec3n IC dao \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n xung t\u1ea1o ra \u0111i\u1ec7n \u00e1p<\/span><\/p>\n

5V, 3V.<\/span><\/p>\n

B6: Ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1o ra \u0111i\u1ec7n \u00e1p 5V( 5VO). \u0110i\u1ec7n \u00e1p n\u00e0y \u0111\u01b0a v\u1ec1 ch\u00e2n 21 (VREG5_IN), khi \u0111\u00f3 chuy\u1ec3n m\u1ea1ch s\u1ebd \u0111\u00f3ng \u0111i\u1ec7n \u00e1p \u1edf ch\u00e2n VREG5 sang ch\u00e2n REG5_IN.<\/span><\/p>\n

Ch\u1ee9c n\u0103ng n\u00e0y gi\u00fap cho m\u1ea1ch REGU kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i v\u00e0 nh\u01b0 v\u1eady m\u1ea1ch REGU n\u00f3 gi\u1ed1ng<\/span><\/p>\n

nh\u01b0 m\u1ed9t m\u1ea1ch c\u00f3 t\u00e1c d\u1ee5ng kh\u1edfi \u0111\u1ed9ng l\u00fac ban \u0111\u1ea7u.<\/span><\/p>\n

B7: Khi ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, t\u1eeb IC dao \u0111\u1ed9ng s\u1ebd c\u00f3 t\u00edn hi\u1ec7u PGOOD b\u00e1o v\u1ec1 IC \u0111i\u1ec1u<\/span><\/p>\n

khi\u1ec3n, l\u00fac n\u00e0y IC \u0111i\u1ec1u khi\u1ec3n s\u1eb5n s\u00e0ng nh\u1eadn l\u1ec7nh t\u1eeb ph\u00edm PWR_ON.<\/span><\/p>\n

B8: Khi b\u1ea5m c\u00f4ng t\u1eafc, IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111\u01b0a ra l\u1ec7nh SUS_ON v\u00e0 SUS_ON \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p.<\/span><\/p>\n

4. M\u1ea1ch t\u1ea1o ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y SONY:<\/span><\/h2>\n

Ph\u00e2n t\u00edch s\u01a1 \u0111\u1ed3:<\/span><\/p>\n

B1: Khi c\u1ea5p ngu\u1ed3n DC IN ho\u1eb7c g\u1eafn Pin, ban \u0111\u1ea7u m\u00e1y s\u1ebd c\u00f3 ngu\u1ed3n \u0111\u1ea7u v\u00e0o( DCBATOUT).<\/span><\/p>\n

B2: \u0110i\u1ec7n \u00e1p DCBATOUT \u0111i v\u00e0o ch\u00e2n VIN c\u1ee7a IC dao \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc 5V, 3V.<\/span><\/p>\n

M\u1ea1ch REGU trong IC s\u1ebd h\u1ea1 \u00e1p xu\u1ed1ng 5V r\u1ed3i \u0111i qua chuy\u1ec3n m\u1ea1ch SW sau \u0111\u00f3 t\u1ea1o ra<\/span><\/p>\n

ngu\u1ed3n ch\u1edd ra \u1edf ch\u00e2n All Always On( ch\u00e2n LDO).<\/span><\/p>\n

B3: Ngu\u1ed3n ch\u1edd 5V cho gi\u1ea3m \u00e1p qua IC-AT5208 l\u1ea5y ra 3.3V c\u1ea5p cho IC \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n<\/span><\/p>\n

B4: Khi \u0111i\u1ec7n \u00e1p DC IN >14V th\u00ec m\u1ea1ch d\u00f2 \u00e1p trong IC dao \u0111\u1ed9ng x\u1ea1c Pin s\u1ebd cho t\u00edn hi\u1ec7u b\u00e1o<\/span><\/p>\n

v\u1ec1 ch\u00e2n AC IN_EC.<\/span><\/p>\n

B5: Khi c\u00f3 ngu\u1ed3n c\u1ea5p 3.3V v\u00e0 c\u00f3 t\u00edn hi\u1ec7u \u1edf ch\u00e2n ACIN_EC th\u00ec IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd t\u1ef1 \u0111\u1ed9ng<\/span><\/p>\n

cho ra l\u1ec7nh ALW_ON quay l\u1ea1i \u0111i\u1ec1u khi\u1ec3n IC dao \u0111\u1ed9ng c\u1ee7a ngu\u1ed3n xung t\u1ea1o \u0111i\u1ec7n \u00e1p 5V,3V<\/span><\/p>\n

B6: Ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ea1o ra \u0111i\u1ec7n \u00e1p 5V( 5VALW), \u0111i\u1ec7n \u00e1p n\u00e0y \u0111\u01b0a v\u1ec1 ch\u00e2n 9<\/span><\/p>\n

c\u1ee7a IC, khi \u0111\u00f3 chuy\u1ec3n m\u1ea1ch s\u1ebd \u0111\u00f3ng \u0111i\u1ec7n \u00e1p \u1edf ch\u00e2n LDO sang ch\u00e2n 9. Ch\u1ee9c n\u0103ng n\u00e0y<\/span><\/p>\n

gi\u00fap cho m\u1ea1ch REGU kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i v\u00e0 nh\u01b0 v\u1eady m\u1ea1ch REGU n\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t m\u1ea1ch<\/span><\/p>\n

c\u00f3 t\u00e1c d\u1ee5ng kh\u1edfi \u0111\u1ed9ng l\u00fac ban \u0111\u1ea7u.<\/span><\/p>\n

B7: Khi ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, t\u1eeb IC dao \u0111\u1ed9ng s\u1ebd c\u00f3 t\u00edn hi\u1ec7u ALW_PWRGD b\u00e1o v\u1ec1 IC<\/span><\/p>\n

\u0111i\u1ec1u khi\u1ec3n. L\u00fac n\u00e0y IC \u0111i\u1ec1u khi\u1ec3n s\u1eb5n s\u00e0ng nh\u1eadn l\u1ec7nh t\u1eeb ph\u00edm PWR_ON.<\/span><\/p>\n

B8: Khi b\u1ea5m c\u00f4ng t\u1eafc, IC \u0111i\u1ec1u khi\u1ec3n s\u1ebd \u0111\u01b0a ra l\u1ec7nh SUSB_ON v\u00e0 l\u1ec7nh RUN_ON( B9) \u0111\u1ec3<\/span><\/p>\n

\u0111i\u1ec1u khi\u1ec3n c\u00e1c ngu\u1ed3n th\u1ee9 c\u1ea5p.<\/span><\/p>\n

5. M\u1ea1ch t\u1ea1o ra ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y IBM T42( c\u00e1c m\u00e1y IBM c\u00f3 hai ngu\u1ed3n ch\u1edd):<\/span><\/h2>\n

Ph\u00e2n t\u00edch m\u1ea1ch:<\/span><\/p>\n

– T\u1eeb ngu\u1ed3n \u0111\u1ea7u v\u00e0o, \u0111i\u1ec7n \u00e1p VINT16 c\u1ea5p v\u00e0o ch\u00e2n V+ c\u1ee7a IC dao \u0111\u1ed9ng MAX1631( dao<\/span><\/p>\n

\u0111\u1ed9ng ngu\u1ed3n 5V, 3V c\u1ea5p tr\u01b0\u1edbc).<\/span><\/p>\n

– M\u1ea1ch REGU trong IC s\u1ebd gi\u1ea3m \u00e1p xu\u1ed1ng 5V l\u1ea5y ra \u0111i\u1ec7n \u00e1p All Always On( c\u00f3 5V) ra \u1edf<\/span><\/p>\n

ch\u00e2n VL( \u0111\u00e2y l\u00e0 ngu\u1ed3n ch\u1edd th\u1ee9 nh\u1ea5t).<\/span><\/p>\n

– Khi c\u1ea5p ngu\u1ed3n qua r\u1eafc DCIN, \u0111i\u1ec7n \u00e1p \u0111i qua c\u1ea7u ch\u00ec r\u1ebd nh\u00e1nh qua R453, D10 v\u00e0o<\/span><\/p>\n

\u0111\u01b0\u1eddng \u0111i\u1ec7n \u00e1p VREGIN16.<\/span><\/p>\n

– Khi g\u1eafn Pin, \u0111i\u1ec7n \u00e1p \u0111i qua c\u1ea7u ch\u00ec F2 r\u1ebd nh\u00e1nh qua F9, D19 v\u00e0o \u0111\u01b0\u1eddng \u0111i\u1ec7n \u00e1p<\/span><\/p>\n

VREGIN16.<\/span><\/p>\n

– \u0110i\u1ec7n \u00e1p VREGIN16 \u0111i v\u00e0o IC-TB62501 qua ch\u00e2n 57 h\u1ea1 \u00e1p xu\u1ed1ng 3.3V r\u1ed3i l\u1ea5y ra \u1edf<\/span><\/p>\n

ch\u00e2n 59 t\u1ea1o ra ngu\u1ed3n ch\u1edd th\u1ee9 hai l\u00e0 VCC3SW c\u1ea5p cho IC \u0111i\u1ec1u khi\u1ec3n PMH4.<\/span><\/p>\n

– M\u1ea1ch SW s\u1ebd chuy\u1ec3n m\u1ea1ch gi\u1eefa ngu\u1ed3n \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ea1ch REGU v\u1edbi ngu\u1ed3n<\/span><\/p>\n

VCC3M.<\/span><\/p>\n

6. Nh\u1eefng th\u1eafc m\u1eafc li\u00ean quan \u0111\u1ebfn ngu\u1ed3n ch\u1edd<\/span><\/h2>\n

Ch\u00fang ta ph\u1ea3i ki\u1ec3m tra ngu\u1ed3n ch\u1edd khi n\u00e0o?<\/span><\/p>\n

– Ch\u00fang ta c\u1ea7n ki\u1ec3m tra ngu\u1ed3n ch\u1edd khi m\u00e1y kh\u00f4ng c\u00f3 ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc 5V, 3V v\u00e0 \u0111\u00e3 c\u00f3<\/span><\/p>\n

ngu\u1ed3n \u0111\u1ea7u v\u00e0o 19V<\/span><\/p>\n

Ngu\u1ed3n ch\u1edd ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0o?<\/span><\/p>\n

– Ngu\u1ed3n ch\u1edd ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n \u00e1p VIN( ngu\u1ed3n \u0111\u1ea7u v\u00e0o) c\u1ea5p cho IC dao \u0111\u1ed9ng.<\/span><\/p>\n

– Ph\u1ee5 thu\u1ed9c v\u00e0o ch\u00e2n l\u1ec7nh EN_LDO( c\u00f3 \u1edf m\u1ed9t s\u1ed1 IC).\u00a0\u00a0<\/span><\/p>\n

\u00a0Tr\u00ean \u0111\u00e2y, HOCVIENiT.vn \u0111\u00e3 gi\u1edbi thi\u1ec7u c\u01a1 b\u1ea3n v\u1ec1 ngu\u1ed3n ch\u1edd tr\u00ean m\u00e1y Laptop. Hy v\u1ecdng b\u00e0i vi\u1ebft h\u1eefu \u00edch v\u1edbi b\u1ea1n!<\/span><\/p>\n

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

\u00a0<\/span><\/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>
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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
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Th\u00e1i Nguy\u00ean:<\/strong>\u00a0S\u1ed1 297 L\u01b0\u01a1ng Ng\u1ecdc Quy\u1ebfn, TP. Th\u00e1i Nguy\u00ean
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