{"id":1611,"date":"2018-07-06T06:51:07","date_gmt":"2018-07-06T06:51:07","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1611"},"modified":"2025-03-03T15:42:42","modified_gmt":"2025-03-03T08:42:42","slug":"nguyen-ly-mach-nguon-xung-trong-laptop","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1611","title":{"rendered":"Nguy\u00ean l\u00fd m\u1ea1ch ngu\u1ed3n xung trong laptop"},"content":{"rendered":"

Do c\u00e1ch g\u1ecdi t\u00ean c\u00e1c ngu\u1ed3n \u0111i\u1ec7n tr\u00ean m\u00e1y laptop m\u1ed7i h\u00e3ng, m\u1ed7i d\u00f2ng m\u00e1y r\u1ea5t kh\u00e1c nhau n\u00ean tr\u00ecnh b\u00e0y theo t\u00ean l\u00e0 kh\u00e1 ph\u1ee9c t\u1ea1p ,r\u1ed1i v\u00e0 kh\u00f3 hi\u1ec3u. V\u1eady nguy\u00ean l\u00fd m\u1ea1ch ngu\u1ed3n xung trong laptop l\u00e0 g\u00ec? D\u1ef1a v\u00e0o tr\u00ecnh t\u1ef1 xu\u1ea5t hi\u1ec7n ngu\u1ed3n trong laptop m\u00e0 ta c\u00f3 th\u1ec3 ph\u00e2n chia th\u00e0nh c\u00e1c d\u1ea1ng ngu\u1ed3n nh\u01b0 sau:<\/span><\/p>\n

\"Nguy\u00ean
Nguy\u00ean l\u00fd m\u1ea1ch ngu\u1ed3n xung trong laptop<\/figcaption><\/figure>\n

Nguy\u00ean l\u00fd ngu\u1ed3n xung trong laptop<\/strong><\/span><\/h2>\n
\"Ngu\u1ed3n
Ngu\u1ed3n xung trong laptop<\/figcaption><\/figure>\n
    \n
  • Ngu\u1ed3n \u0111\u1ea7u v\u00e0o:<\/strong> T\u1eeb 10.8v \u0111\u1ebfn 20v l\u00e0 \u0111i\u1ec3m chung c\u1ee7a ngu\u1ed3n v\u00e0 ngu\u1ed3n pin. T\u1eeb \u0111\u00f3 c\u1ea5p cho c\u00e1c kh\u1ed1i ngu\u1ed3n kh\u00e1c.<\/span><\/li>\n
  • Ngu\u1ed3n ch\u1edd:<\/strong> 3.3v l\u00e0 \u0111i\u1ec7n th\u1ebf c\u1ea5p cho ic I\/O v\u00e0 ic rom bios l\u00e0m c\u01a1 s\u1edf ban \u0111\u1ea7u ph\u1ee5c v\u1ee5 cho vi\u1ec7c k\u00edch ngu\u1ed3n , n\u00f3 c\u00f3 ngay khi ta v\u1eeba c\u1ea5p ngu\u1ed3n , b\u1ea5t k\u1ec3 \u0111\u00f3 l\u00e0 ngu\u1ed3n pin hay ngu\u1ed3n laptop .<\/span><\/li>\n
  • Ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc:<\/strong> 3.3v,5v ho\u1eb7c ch\u1ec9 c\u00f3 3.3v : n\u00f3 xu\u1ea5t hi\u1ec7n ngay khi c\u1ea5p ngu\u1ed3n b\u1eb1ng adaptor khi ch\u01b0a k\u00edch <\/span>ngu\u1ed3n. N\u00f3 ph\u1ee5c v\u1ee5 vi\u1ec7c nh\u1eadn d\u1ea1ng v\u00e0 \u0111i\u1ec1u khi\u1ec1n s\u1ea1c pin. Ngu\u1ed3n n\u00e0y th\u01b0\u1eddng ch\u01b0a c\u00f3 khi ch\u1ec9 c\u00f3 pin v\u00e0 ch\u01b0a k\u00edch ngu\u1ed3n.<\/span><\/li>\n
  • Ngu\u1ed3n c\u1ea5p sau:<\/strong> N\u00f3 c\u00f3 sau khi b\u1ea5m k\u00edch ngu\u1ed3n, bao g\u1ed3m c\u00e1c ngu\u1ed3n 3v,5v c\u1ea5p cho c\u00e1c c\u1ed5ng usb, lan chip nam, sound, hdd, dvd, wl… 2.5v, 1.8v, 1.5v -1.25v, 0.9v, 0.75v c\u1ea5p cho DDR, DDR2, DDR3. 1v.1v2, 1v2. <\/span>1,5v c\u1ea5p cho chip b\u1eafc, VGA\u2026 tr\u1eeb ngu\u1ed3n CPU l\u00fac n\u00e0y ch\u01b0a c\u00f3.<\/span><\/li>\n
  • Ngu\u1ed3n vcore:<\/strong> Ngu\u1ed3n c\u1ea5p ch\u00ednh cho CPU v\u00e0 l\u00e0 ngu\u1ed3n c\u00f3 sau c\u00f9ng khi c\u00e1c ngu\u1ed3n tr\u01b0\u1edbc \u0111\u00e3 c\u00f3 \u0111\u1ee7 v\u00e0 kh\u1ed1i nh\u1eadn d\u1ea1ng c\u00e1c ngu\u1ed3n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/span><\/li>\n<\/ul>\n

    Nh\u01b0 v\u1eady tr\u00ecnh t\u1ef1 xu\u1ea5t hi\u1ec7n ngu\u1ed3n trong laptop l\u1ea7n l\u01b0\u1ee3t nh\u01b0 sau :<\/span><\/p>\n

    NGU\u1ed2N \u0110\u1ea6U V\u00c0O => NGU\u1ed2N CH\u1edc => NGU\u1ed2N C\u1ea4P TR\u01af\u1edaC => NGU\u1ed2N C\u1ea4P SAU => NGU\u1ed2N CPU<\/span><\/strong><\/p>\n

    D\u1ef1a v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u00e0 tr\u00ecnh t\u1ef1 xu\u1ea5t hi\u1ec7n ngu\u1ed3n nh\u01b0 tr\u00ean s\u1ebd gi\u00fap chung ta khoanh v\u00f9ng \u0111\u1ec3 s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng ngu\u1ed3n d\u1ec5 d\u00e0ng h\u01a1n.<\/span><\/p>\n

    \u0110\u1ec3 ti\u1ec7n theo d\u00f5i, \u0111\u1ea7u ti\u00ean ch\u00fang ta t\u00ecm hi\u1ec3u s\u01a1 v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng chung c\u1ee7a 1 kh\u1ed1i ngu\u1ed3n switching hay c\u00f2n g\u1ecdi l\u00e0 ngu\u1ed3n xung.<\/span><\/p>\n

    C\u0169ng nh\u01b0 c\u00e1c b\u1ed9 trong \u0111a s\u1ed1 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed , ng\u01b0\u1eddi ta s\u1eed dung ngu\u1ed3n xung d\u1ea1ng chuy\u1ec3n \u0111\u1ed5i DC-DC (DC converter) v\u1edbi vi\u1ec7c \u0111i\u1ec1u ch\u1ebf ra xung vu\u00f4ng t\u1ea7n s\u1ed1 kho\u1ea3ng 300khz \u0111\u1ec3 d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i ra c\u00e1c \u0111i\u1ec7n th\u1ebf DC v\u00ec vi\u1ec7c n\u1eafn l\u1ecdc, b\u00f9 ngu\u1ed3n d\u1ec5 d\u00e0ng h\u01a1n d\u1ea1ng s\u00f3ng h\u00ecnh sin, t\u1ea7n s\u1ed1 th\u1ea5p.<\/span><\/p>\n

    Vi\u1ec7c \u0111i\u1ec1u ch\u1ebf \u0111\u1ed9 r\u1ed9ng xung (PWM \u2013 Pulse Width Modulation) s\u1ebd cho t\u00edn hi\u1ec7u (xung vu\u00f4ng) ng\u01b0\u1ee3c pha nhau \u0111\u1eb7t v\u00e0o c\u1ef1c G c\u1ee7a t\u1eebng c\u1eb7p mosfet ho\u1ea1t \u0111\u1ed9ng dang k\u00e9o \u0111\u1ea9y t\u00f9y theo th\u1eddi gian d\u1eabn c\u1ee7a fet nhi\u1ec1u hay \u00edt \u0111\u1ec3 c\u00f3 \u0111i\u1ec7n th\u1ebf ra nh\u01b0 mong mu\u1ed1n, t\u1ea1i trung \u0111i\u1ec3m cho ra di\u1ec7n th\u1ebf nh\u01b0 thi\u1ebft k\u1ebf, \u0111\u01b0\u1ee3c d\u1eabn l\u1ecdc qua cu\u1ed9n c\u1ea3m v\u00e0 t\u1ee5, cho ra d\u00f2ng DC t\u01b0\u01a1ng \u0111\u1ed1i b\u1eb1ng ph\u1eb3ng.<\/span><\/p>\n

    \"Nguy\u00ean
    Nguy\u00ean l\u00fd ngu\u1ed3n xung<\/figcaption><\/figure>\n

    Kh\u1ed1i giao \u0111\u1ed9ng t\u1ea1o xung kh\u1ed1i ngu\u1ed3n g\u1ed3m 3 th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n :<\/span><\/p>\n

      \n
    • Kh\u1ed1i c\u00f4ng su\u1ea5t<\/span><\/li>\n
    • Kh\u1ed1i h\u1ed3i ti\u1ebfp \u00e1p DC so s\u00e1nh \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 r\u1ed9ng xung ra nh\u1eb1m \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n th\u1ebf.<\/span><\/li>\n
    • Kh\u1ed1i h\u1ed3i ti\u1ebfp xung \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh t\u1ea7n s\u1ed1 giao \u0111\u1ed9ng.<\/span><\/li>\n<\/ul>\n

      Ri\u00eang ph\u1ea7n ngu\u1ed3n s\u1ea1c v\u00e0 1 s\u1ed1 ph\u1ea7n ngu\u1ed3n kh\u00e1c c\u00f3 th\u00eam kh\u1ed1i h\u1ed3i ti\u1ebfp nh\u1eadn d\u1ea1ng d\u00f2ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho b\u1ea3o v\u1ec7 ch\u1ea1m t\u1ea3i ho\u1eb7c c\u1eaft d\u00f2ng s\u1ea1c khi pin \u0111\u1ea7y.<\/span><\/p>\n

      C\u01a1 ch\u1ebf \u1ed5n \u00e1p c\u00f3 th\u1ec3 hi\u1ec3u nh\u01b0 sau:<\/span><\/strong><\/p>\n

      Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1eabn l\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 r\u1ed9ng xung ngh\u0129a l\u00e0 l\u00e0m cho th\u1eddi gian xu\u1ea5t hi\u1ec7n xung (Ton) + l\u00e2u hay nhanh t\u1eeb \u0111\u00f3 \u0111i\u1ec1u khi\u1ec3n fet k\u00eanh N d\u1eabn\/t\u1eaft v\u1edbi th\u1eddi gian t\u01b0\u01a1ng \u1ee9ng.<\/span><\/p>\n

      \"C\u01a1
      C\u01a1 ch\u1ebf \u1ed5n \u00e1p<\/figcaption><\/figure>\n

      Nh\u01b0 minh h\u1ecda tr\u00ean cho ta th\u1ea5y gi\u1ea3 s\u1eed ngu\u1ed3n c\u1ea7n l\u1ea5y ra tr\u00ean \u0111\u1ea7u t\u1ee5 l\u00e0 3vdc , l\u00fac \u0111\u00f3 3v n\u00e0y nh\u1edd c\u1ea7u ph\u00e2n \u00e1p r1, r2 l\u1ea5y ra 3v v\u1ec1 kh\u1ed1i so s\u00e1nh ,h\u1ea7u h\u1ebft c\u00e1c \u0111\u01b0\u1eddng h\u1ed3i v\u1ec1 n\u00e0y trong ngu\u1ed3n laptop \u0111\u1ec1u d\u00f9ng 2 tr\u1edf v\u00e0 t\u1ed5ng tr\u1edf ng\u00f5 v\u00e0o t\u1ea7ng so s\u00e1nh l\u00e0 r\u1ea5t l\u1edbn n\u00ean c\u00f3 th\u1ec3 coi d\u00f2ng ti\u00eau th\u1ee5 ng\u00f5 v\u00e0o = 0 n\u00ean \u00e1p h\u1ed3i v\u1ec1 n\u00e0y (VFB) t\u00ednh theo \u0111\u1ecbnh l\u00fd c\u1ea7u ph\u00e2n th\u1ebf.<\/span><\/p>\n

        \n
      • Tr\u01b0\u1eddng h\u1ee3p B<\/strong> Gi\u1ea3 s\u1eed \u1edf \u0111\u00e2y ta l\u1ea5y ra VFB = 3v , 3v n\u00e0y v\u1ec1 c\u1eaft xung tam gi\u00e1c trong kh\u1ed1i giao \u0111\u1ed9ng \u1edf c\u00e1c \u0111i\u1ec3m 1\u2032 , 2\u2032 , 3\u2032. \u1ee9ng v\u1edbi chi\u1ec1u l\u00ean c\u1ee7a xung ta c\u00f3 \u0111\u01b0\u1ee3c xung vu\u00f4ng Ton1 c\u00f3 th\u1eddi gian t\u1eeb 1\u2032 \u0111\u1ebfn 2\u2032. \u1ee8ng v\u1edbi chi\u1ec1u xu\u1ed1ng c\u1ee7a xung ta c\u00f3 \u0111u\u1ee3c xung vu\u00f4ng Toff1 k\u00e9o d\u00e0i t\u1eeb 2\u2032 \u0111\u1ebfn 3\u2032 , v\u1edbi xung vu\u00f4ng (B) n\u00e0y s\u1ebd \u0111i\u1ec1u khi\u1ec3n fet d\u1eabn\/t\u1eaft v\u00e0 cho ra \u0111i\u1ec7n th\u1ebf l\u00e0 3v theo thi\u1ebft k\u1ebf.<\/span><\/li>\n
      • Tr\u01b0\u1eddng h\u1ee3p C<\/strong> Khi \u0111\u1ea7u ra c\u00f3 s\u1ef1 thay \u0111\u1ed5i th\u1ea5p h\u01a1n 3V , qua c\u1ea7u ph\u00e2n \u00e1p , U h\u1ed3i v\u1ec1 th\u1ea5p theo vd 2,8v nh\u01b0 h\u00ecnh tr\u00ean ( C ). 2,8v n\u00e0y c\u1eaft xung tam gi\u00e1c t\u1ea1i c\u00e1c \u0111i\u1ec3m 1\u2033 , 2\u2033 , 3\u2033. \u1ee8ng v\u1edbi chi\u1ec1u l\u00ean c\u1ee7a xung ta c\u00f3 xung vu\u00f4ng Ton3 k\u00e9o d\u00e0i t\u1eeb 1\u2033 \u0111\u1ebfn 2\u2033 m\u1edf r\u1ed9ng h\u01a1n tru\u1edbc v\u00e0 \u1ee9ng v\u1edbi chi\u1ec1u xu\u1ed1ng c\u1ea3u xung ta c\u00f3 xung vu\u00f4ng Toff3 thu h\u1eb9p l\u1ea1i k\u00e9o d\u00e0i t\u1eeb 2\u2033 \u20133\u2033.<\/span><\/li>\n
      • Tr\u01b0\u1eddng h\u1ee3p A<\/strong>, khi \u0111i\u1ec7n th\u1ebf ra cao h\u01a1n 3v, qua c\u1ea7u ph\u00e2n th\u1ebf, h\u1ed3i v\u1ec1 v\u1edbi \u0111i\u1ec7n \u00e1p VFB l\u00e0 3.2v, \u0111i\u1ec7n \u00e1p n\u00e0y d\u00e2ng l\u00ean v\u00e0 c\u1eaft xung nh\u1ecdn \u1edf c\u00e1c \u0111i\u1ec3m 1 ,2 , 3. \u1ee9ng v\u1edbi t\u1eeb 1\u20132 ta c\u00f3 xung vu\u00f4ng Ton2 thu h\u1eb9p l\u1ea1i , \u1ee9ng v\u1edbi \u0111i\u1ec3m c\u1eaft 2 \u0111\u1ebfn 3 ta c\u00f3 xung vu\u00f4ng Toff2 m\u1edf r\u1ed9ng ra.<\/span><\/li>\n<\/ul>\n

        Ch\u00ednh nh\u1eefng th\u1eddi gian Ton m\u1edf r\u1ed9ng hay thu h\u1eb9p s\u1ebd \u0111\u1ebfn \u0111i\u1ec1u khi\u1ec3n fet l\u00e0m t\u0103ng gi\u1ea3m th\u1eddi gian d\u1eabn, t\u1eaft c\u1ee7a fet s\u1ebd \u0111i\u1ec1u ch\u1ec9nh lu\u00f4n cho ra U= 3v theo thi\u1ebft k\u1ebf.<\/span><\/p>\n

        Nh\u01b0 v\u1eady d\u00f9 TON, TOFF thay \u0111\u1ed5i nh\u01b0ng chu k\u1ef3 T kh\u00f4ng \u0111\u1ed5i ch\u1ec9 c\u00f3 s\u1ef1 d\u1ecbch pha.<\/span><\/p>\n

        \u0110i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n c\u1ee7a kh\u1ed1i ngu\u1ed3n xung:<\/span><\/strong><\/p>\n

        \"\u0110i\u1ec1u
        \u0110i\u1ec1u ki\u1ec7n c\u01a1 b\u1ea3n c\u1ee7a kh\u1ed1i ngu\u1ed3n xung ho\u1ea1t \u0111\u1ed9ng<\/figcaption><\/figure>\n

        Nh\u01b0 tr\u00ean ta \u0111\u00e3 th\u1ea5y c\u01a1 ch\u1ebf \u1ed5n \u00e1p c\u1ee7a ngu\u1ed3n xung (sw: Switching Regulator) c\u1ea7n c\u00f3 xung vu\u00f4ng tho\u00e1t ra kh\u1ecfi ic dao \u0111\u1ed9ng m\u00e0 ta th\u01b0\u1eddng g\u1ecdi l\u00e0 ic ngu\u1ed3n vd: MAX8734, MAX1999, TPS51020\u2026 51125.<\/span><\/p>\n

          \n
        • IC ngu\u1ed3n ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n DC.<\/span><\/li>\n
        • 1 \u0111\u01b0\u1eddng \u0111i\u1ec7n \u1edf t\u1ea7n s\u1ed1 kh\u00e1c nhau vd nh\u01b0 c\u1ea5p 0v th\u00ec ta c\u00f3 dao \u0111\u1ed9ng 200KHz, 2v: 300KHz , 3,3v:400KHz..<\/span><\/li>\n
        • 1 \u0111\u01b0\u1eddng m\u1edf \/t\u1eaft, \u00e1p quy\u1ebft \u0111\u1ecbnh t\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c c\u1ee7a kh\u1ed1i giao \u0111\u1ed9ng , tu\u1ef3 theo thi\u1ebft k\u1ebf c\u1ee7a m\u1ed7i lo\u1ea1i ic m\u00e0 ta c\u00f3 th\u1ec3 c\u1ea5p \u00e1p v\u00e0o \u0111\u1ec3 c\u00f3 xung vu\u00f4ng dao \u0111\u1ed9ng l\u00e0 \u0111\u01b0\u1eddng nh\u1eadn l\u1ec7nh t\u1eeb n\u01a1i kh\u00e1c vd t\u1eeb ic I\/O , ho\u1eb7c t\u1eeb ch\u00edp nam..s\u1ebd cho ph\u00e9p xung vu\u00f4ng tho\u00e1t ra kh\u1ecfi ic c\u1ea5p v\u00e0o c\u1ef1c G c\u1ee7a c\u1eb7p FET \u0111i\u1ec1u khi\u1ec3n ngu\u1ed3n ra.<\/span><\/li>\n
        • \u0110\u01b0\u1eddng h\u1ed3i ti\u1ebfp xung d\u00f9ng \u0111\u1ec3 duy tr\u00ec t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng lu\u00f4n \u0111\u00fang theo thi\u1ebft<\/span><\/li>\n
        • \u0110\u01b0\u1eddng h\u1ed3i ti\u1ebfp \u00e1p d\u00f9ng \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n \u00e1p lu\u00f4n \u0111\u00fang trong kho\u1ea3ng 1\/300000s.<\/span><\/li>\n<\/ul>\n

          M\u1ed9t s\u1ed1 kh\u1ed1i ngu\u1ed3n c\u00f3 th\u00eam kh\u1ed1i nh\u1eadn d\u1ea1ng d\u00f2ng t\u1ea3i.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

          Do c\u00e1ch g\u1ecdi t\u00ean c\u00e1c ngu\u1ed3n \u0111i\u1ec7n tr\u00ean m\u00e1y laptop m\u1ed7i h\u00e3ng, m\u1ed7i d\u00f2ng m\u00e1y r\u1ea5t kh\u00e1c nhau n\u00ean tr\u00ecnh b\u00e0y theo t\u00ean l\u00e0 kh\u00e1 ph\u1ee9c t\u1ea1p ,r\u1ed1i v\u00e0 kh\u00f3 hi\u1ec3u.V\u1eady nguy\u00ean l\u00fd m\u1ea1ch ngu\u1ed3n xung trong laptop l\u00e0 g\u00ec? D\u1ef1a v\u00e0o tr\u00ecnh t\u1ef1 xu\u1ea5t hi\u1ec7n ngu\u1ed3n trong laptop m\u00e0 ta c\u00f3 th\u1ec3 ph\u00e2n chia th\u00e0nh c\u00e1c d\u1ea1ng ngu\u1ed3n nh\u01b0 sau:<\/p>\n","protected":false},"author":95,"featured_media":12164,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[240],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1611"}],"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=1611"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1611\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12164"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}