{"id":1598,"date":"2018-07-06T06:39:23","date_gmt":"2018-07-06T06:39:23","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=1598"},"modified":"2025-03-05T15:29:21","modified_gmt":"2025-03-05T08:29:21","slug":"nguyen-ly-khoi-nang-ap","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=1598","title":{"rendered":"Nguy\u00ean l\u00fd kh\u1ed1i n\u00e2ng \u00e1p"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Kh\u1ed1i n\u00e2ng \u00e1p trong m\u1ea1ch ngu\u1ed3n laptop \u0111\u00f3ng vai tr\u00f2 kh\u00e1 quan tr\u1ecdng. \u00c1p n\u00e0y th\u01b0\u1eddng c\u00f3 c\u00f9ng l\u00fac khi c\u00f3 ngu\u1ed3n 3v, 5v. \u0110\u00e2y l\u00e0 \u00e1p c\u00f3 nhi\u1ec7m v\u1ee5 m\u1edf c\u00e1c ngu\u1ed3n c\u1ea5p sau \u0111i v\u00e0o c\u00e1c kh\u1ed1i tr\u00ean main khi kh\u1edfi \u0111\u1ed9ng m\u00e1y.<\/span><\/p>\n<figure id=\"attachment_12170\" aria-describedby=\"caption-attachment-12170\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12170 size-full\" title=\"Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n kh\u1ed1i n\u00e2ng \u00e1p\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-co-ban-khoi-nang-ap.jpg\" alt=\"Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n kh\u1ed1i n\u00e2ng \u00e1p\" width=\"750\" height=\"400\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-co-ban-khoi-nang-ap.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-co-ban-khoi-nang-ap-510x272.jpg 510w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-co-ban-khoi-nang-ap-300x160.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-co-ban-khoi-nang-ap-600x320.jpg 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-12170\" class=\"wp-caption-text\">Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n kh\u1ed1i n\u00e2ng \u00e1p<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><strong><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch n\u00e2ng \u00e1p<\/span><\/strong><\/h2>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">M\u1ea1ch tr\u00ean ta th\u1ea5y lu\u00f4n c\u00f3 ngu\u1ed3n AC v\u00e0 DC \u0111\u1ed3ng th\u1eddi \u0111i v\u00e0o.<\/span><\/li>\n<li><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">M\u1ea1ch tr\u00ean d\u00f9ng ngu\u1ed3n 5vdc v\u00e0 xung vu\u00f4ng 300khz.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">M\u1ea1ch n\u00e2ng \u00e1p l\u00e0m vi\u1ec7c nh\u01b0 sau:<\/span><\/strong><\/p>\n<figure id=\"attachment_45440\" aria-describedby=\"caption-attachment-45440\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45440 size-full\" title=\"M\u1ea1ch n\u00e2ng \u00e1p\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-2.jpg\" alt=\"M\u1ea1ch n\u00e2ng \u00e1p\" width=\"750\" height=\"424\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-2.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-2-300x170.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-2-510x288.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45440\" class=\"wp-caption-text\">M\u1ea1ch n\u00e2ng \u00e1p<\/figcaption><\/figure>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">&#8211; 5vDc qua D1 s\u1ebd c\u00f2n l\u1ea1i m\u1ee9c \u00e1p 4.7vDC t\u1ea1i \u0111\u00e2y xung vu\u00f4ng qua t\u1ee5 C1 ch\u1ed3ng l\u00ean \u00e1p 4.7vdc, \u00e1p t\u1ed5ng 4.7vdc + xung 300hkz n\u00e0y ti\u1ebfp t\u1ee5c qua D2 nh\u01b0 v\u1eady ngo\u00e0i vi\u1ec7c cho 4.7vdc qua D2, D2 c\u00f2n n\u1eafn b\u00e1n d\u01b0\u01a1ng xung vu\u00f4ng \u0111\u1ec3 l\u1ea5y \u00e1p ra \u0111\u01b0\u1ee3c l\u1ecdc b\u1edfi t\u1ee5 C3. T\u1ea1i \u0111\u1ea7u t\u1ee5 C3 ta c\u00f3 \u00e1p kho\u1ea3ng 9.4vdc. \u00c1p n\u00e0y ti\u1ebfp t\u1ee5c qua D3 v\u00e0 c\u00f2n l\u1ea1i 9.1vdc, xung vu\u00f4ng 300khz qua t\u1ee5 C2 ch\u1ed3ng l\u00ean \u00e1p 9.1vdc n\u00e0y, c\u1ea3 2 n\u1eafn l\u1ecdc qua D4,C4. Tr\u00ean t\u1ee5 C4 ta c\u00f3 \u00e1p t\u1ed5ng 9.1vdc qua D4 c\u00f2n 8.8v c\u00f2n xung 300khz n\u1eafn l\u1ecdc qua D4 v\u00e0 C4 \u0111\u01b0\u1ee3c 5vDC cu\u1ed1i c\u00f9ng ta \u0111\u01b0\u1ee3c \u00e1p t\u1ed5ng 8v8 + 5v ( 13.8vDC).<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">*Th\u1ef1c t\u1ebf ta \u0111o \u0111\u1ea1c th\u1ea5y \u00e1p n\u00e0y trong kho\u1ea3ng 11\u201414vDC ch\u1ee9 kh\u00f4ng \u0111\u00fang nh\u01b0 th\u00f4ng s\u1ed1 tr\u00ean scchematic.<\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Nhi\u1ec7m v\u1ee5 c\u1ee7a \u00e1p n\u00e2ng<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Ngu\u1ed3n kh\u1ed1i n\u00e2ng \u00e1p ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00f3 c\u00f9ng l\u00fac v\u1edbi ngu\u1ed3n c\u1ea5p tr\u01b0\u1edbc 3.3v\/5V.Khi v\u1eeba k\u00edch kh\u1edfi \u0111\u1ed9ng m\u00e1y,c\u00e1c ngu\u1ed3n c\u1ea5p sau ho\u1ea1t \u0111\u1ed9ng nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c ngu\u1ed3n n\u00e0y kh\u00f4ng c\u1ea5p tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00e1c kh\u1ed1i m\u00e0 ph\u1ea3i qua t\u1ea7ng c\u00f4ng t\u1eafc ph\u00e2n chia c\u00e1c \u0111i\u1ec7n \u00e1p c\u1ea5p tr\u01b0\u1edbc n\u00e0y c\u1ea5p cho c\u00e1c kh\u1ed1i tr\u00ean main c\u00f3 th\u1ec3 g\u1ecdi \u0111\u00e2y l\u00e0 ngu\u1ed3n th\u1ee9 c\u1ea5p n\u00f3 xu\u1ea5t hi\u1ec7n sau ngu\u1ed3n c\u1ea5p sau nh\u1edd \u0111i\u1ec7n \u00e1p 15v t\u1eeb kh\u1ed1i n\u00e2ng \u00e1p \u0111\u1ebfn l\u00e0m th\u00f4ng c\u00e1c fet \u0111\u1ec3 c\u00f3 ngu\u1ed3n th\u1ee9 c\u1ea5p.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>M\u1ea1ch c\u01a1 b\u1ea3n nh\u01b0 sau:<\/strong><\/span><\/p>\n<figure id=\"attachment_45442\" aria-describedby=\"caption-attachment-45442\" style=\"width: 750px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-45442 size-full\" title=\"M\u1ea1ch c\u01a1 b\u1ea3n\" src=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-4.jpg\" alt=\"M\u1ea1ch c\u01a1 b\u1ea3n\" width=\"750\" height=\"424\" srcset=\"https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-4.jpg 750w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-4-300x170.jpg 300w, https:\/\/hocvienit.vn\/wp-content\/uploads\/2018\/07\/nguyen-ly-khoi-nang-ap-4-510x288.jpg 510w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption id=\"caption-attachment-45442\" class=\"wp-caption-text\">M\u1ea1ch c\u01a1 b\u1ea3n<\/figcaption><\/figure>\n<h2 style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\"><strong>Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ea1ch ngu\u1ed3n th\u1ee9 c\u1ea5p c\u01a1 b\u1ea3n<\/strong><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif;\">Khi k\u00edch kh\u1edfi \u0111\u1ed9ng m\u00e1y, ngu\u1ed3n 15v t\u1eeb kh\u1ed1i n\u00e2ng \u00e1p \u0111i qua tr\u1edf h\u00e0ng tr\u0103m k omh c\u1ea5p v\u00e0o c\u00e1c c\u1ef1c G c\u1ee7a c\u00e1c fet \u0111\u00f3ng m\u1edf ngu\u1ed3n th\u1ee9 c\u1ea5p, c\u00e1c fet n\u00e0y c\u00f3 th\u1ec3 l\u00e0 fet ng\u01b0\u1ee3c ho\u1eb7c thu\u1eadn d\u00f2ng ch\u1ecbu d\u1ef1ng l\u1edbn. Ngay t\u1ea1i c\u1ef1c G c\u1ee7a c\u00e1c fet SW n\u00e0y \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o c\u1ef1c D c\u1ee7a fet ng\u01b0\u1ee3c c\u1ef1c S n\u1ed1i mass, c\u1ef1c G nh\u1eadn \u0111i\u1ec7n \u00e1p \u0111i\u1ec1u khi\u1ec3n t\u1eeb I\/O. Ch\u1ee9c n\u0103ng c\u1ee7a fet n\u00e0y l\u00e0 l\u00e0m c\u01b0c G fet tr\u00ean cao (15v) ho\u1eb7c th\u1ea5p (ov) t\u1eeb \u0111\u00f3 \u0111i\u1ec1u khi\u1ec3n \u0111\u00f3ng\/ng\u1eaft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c ngu\u1ed3n th\u1ee9 c\u1ea5p.<\/span><\/p>\n<p style=\"text-align: justify;\"><i>M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:<\/i><\/p>\n<p style=\"text-align: justify;\"><strong>C\u00d4NG TY C\u1ed4 PH\u1ea6N H\u1eccC VI\u1ec6N IT<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>MST: 0108733789<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Hotline: 0981 223 001<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Facebook:<\/strong>\u00a0<a href=\"http:\/\/www.fb.com\/hocvienit\" target=\"_blank\" rel=\"noopener\">www.fb.com\/hocvienit<\/a><\/p>\n<p style=\"text-align: justify;\"><strong>\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>\u00a0<a href=\"http:\/\/bit.ly\/Youtube_HOCVIENiT\" target=\"_blank\" rel=\"noopener\">http:\/\/bit.ly\/Youtube_HOCVIENiT<\/a><\/p>\n<p style=\"text-align: justify;\"><strong>Tham gia c\u1ed9ng \u0111\u1ed3ng H\u1ecdc vi\u1ec7n IT.vn t\u1ea1i:<\/strong>\u00a0<a href=\"https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.facebook.com\/groups\/www.hocvienit.vn\/<\/a><br \/>\n<i><\/i><\/p>\n<p style=\"text-align: justify;\"><strong><i>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","protected":false},"excerpt":{"rendered":"<p>Kh\u1ed1i n\u00e2ng \u00e1p trong m\u1ea1ch ngu\u1ed3n laptop \u0111\u00f3ng vai tr\u00f2 kh\u00e1 quan tr\u1ecdng. \u00c1p n\u00e0y th\u01b0\u1eddng c\u00f3 c\u00f9ng l\u00fac khi c\u00f3 ngu\u1ed3n 3v, 5v.<\/p>\n","protected":false},"author":95,"featured_media":12170,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[680],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1598"}],"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=1598"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/1598\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/12170"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}