N\u1ebfu ch\u00fa \u00fd ta s\u1ebd ph\u00e1t hi\u1ec7n \u0111\u1ed3ng h\u1ed3 m\u00e1y t\u00ednh hi\u1ec3u th\u1ecb tr\u00ean m\u00e0n h\u00ecnh v\u1eabn ch\u1ea1y \u0111\u00fang v\u1edbi th\u1eddi gian th\u1ef1c t\u1ebf. Khi m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c m\u1edf th\u00ec ngu\u1ed3n \u0111i\u1ec7n s\u1ebd c\u1ea5p \u0111i\u1ec7n cho \u0111\u1ed3ng h\u1ed3. Khi t\u1eaft m\u00e1y, ngu\u1ed3n \u0111i\u1ec7n b\u1ecb ng\u1eaft th\u00ec t\u1ea1i sao \u0111\u1ed3ng h\u1ed3 v\u1eabn ch\u1ea1y b\u00ecnh th\u01b0\u1eddng? Nguy\u00ean do l\u00e0 b\u1ea3n m\u1ea1ch ch\u1ee7 b\u00ean trong m\u00e1y t\u00ednh c\u00f3 l\u1eafp \u0111\u1eb7t m\u1ed9t pin (acquy) kh\u00f4 niken – ca\u0111imi, v\u00e0 n\u00f3 s\u1ebd c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho \u0111\u1ed3ng h\u1ed3 khi ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a m\u00e1y b\u1ecb ng\u1eaft \u0111\u1ec3 \u0111\u1ed3ng h\u1ed3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. \u0110\u1ed3ng th\u1eddi n\u00f3 c\u00f2n c\u1ea5p \u0111i\u1ec7n cho CMOS RAM l\u01b0u tr\u1eef c\u00e1c tham s\u1ed1 h\u1ec7 th\u1ed1ng, b\u1ea3o t\u1ed3n c\u00e1c tham s\u1ed1 trong m\u00e1y. Tham s\u1ed1 h\u1ec7 th\u1ed1ng bao g\u1ed3m t\u00ecnh h\u00ecnh thi\u1ebft b\u1ecb nh\u01b0 lo\u1ea1i h\u00ecnh \u0111\u0129a c\u1ee9ng, \u1ed5 \u0111\u0129a m\u1ec1m, card m\u00e0n h\u00ecnh, b\u00e0n ph\u00edm, chu\u1ed9t; c\u00f2n c\u00f3 c\u1ea3 l\u1ecbch ng\u00e0y l\u1ecbch gi\u1edd v.v. L\u1eafp \u0111\u1eb7t nh\u1eefng h\u1ec7 th\u1ed1ng tham s\u1ed1 \u0111\u00f3 c\u0169ng ch\u00ednh l\u00e0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng v\u00e0o, ra c\u01a1 b\u1ea3n c\u1ee7a m\u00e1y t\u00ednh. C\u00f3 \u0111\u01b0\u1ee3c nh\u1eefng d\u1eef li\u1ec7u \u0111\u00f3 th\u00ec m\u00e1y t\u00ednh m\u1edbi kh\u1edfi \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Th\u01b0\u1eddng th\u00ec th\u1ebf hi\u1ec7u b\u00ecnh th\u01b0\u1eddng c\u1ee7a pin \u0111\u01b0\u1ee3c n\u1ea1p \u0111\u1eb7t trong m\u00e1y t\u00ednh l\u00e0 3,6 V. Khi m\u00e1y t\u00ednh l\u00e0m vi\u1ec7c, CMOS \u0111\u01b0\u1ee3c ngu\u1ed3n \u0111i\u1ec7n kh\u1ed1i h\u1ec7 th\u1ed1ng c\u1ea5p \u0111i\u1ec7n. \u0110\u1ed3ng th\u1eddi, ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a kh\u1ed1i h\u1ec7 th\u1ed1ng c\u00f2n n\u1ea1p \u0111i\u1ec7n cho pin. B\u1edfi v\u1eady, ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u00e1y kh\u00f4ng c\u1ea7n ph\u1ea3i n\u1ea1p \u0111i\u1ec7n ri\u00eang cho pin n\u1eefa. Khi t\u1eaft m\u00e1y t\u00ednh th\u00ec CMOS \u0111\u01b0\u1ee3c pin c\u1ea5p \u0111i\u1ec7n. N\u1ebfu m\u00e1y t\u00ednh kh\u00f4ng s\u1eed d\u1ee5ng li\u1ec1n trong hai ho\u1eb7c ba th\u00e1ng th\u00ec ngu\u1ed3n \u0111i\u1ec7n trong pin s\u1ebd ti\u00eau hao m\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ed5 sung. Khi \u0111i\u1ec7n \u00e1p trong pin b\u1ecb h\u1ea1 xu\u1ed1ng d\u01b0\u1edbi 2,2 V th\u00ec d\u1eef li\u1ec7u trong CMOS RAM s\u1ebd m\u1ea5t, m\u00e1y t\u00ednh kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng \u0111\u01b0\u1ee3c theo ch\u1ebf \u0111\u1ed9 \u0111\u00e3 c\u00e0i \u0111\u1eb7t tr\u01b0\u1edbc \u0111\u00f3, \u0111\u1ed3ng h\u1ed3 th\u1eddi gian c\u0169ng kh\u00f4ng th\u1ec3 l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
Do CMOS ti\u00eau hao \u0111i\u1ec7n r\u1ea5t \u00edt, m\u1ed9t pin n\u1ea1p \u0111i\u1ec7n c\u00f3 th\u1ec3 c\u1ea5p cho kh\u1ed1i h\u1ec7 th\u1ed1ng d\u00f9ng m\u1ea5y th\u00e1ng. Th\u01b0\u1eddng th\u00ec m\u1ed9t pin niken – ca\u0111imi \u0111\u01b0\u1ee3c n\u1ea1p \u0111\u1ee7 \u0111i\u1ec7n c\u1ea7n 10 gi\u1edd. M\u00e1y t\u00ednh 2 \u0111\u1ebfn 3 th\u00e1ng kh\u00f4ng s\u1eed d\u1ee5ng th\u00ec ch\u1ec9 c\u1ea7n m\u1edf m\u00e1y tr\u00ean 10 ti\u1ebfng cho pin n\u1ea1p \u0111\u1ee7 \u0111i\u1ec7n l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c1.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: Thi\u1ebft b\u1ecb CMOS; Pin n\u1ea1p \u0111i\u1ec7n (acquy).<\/p>\n","protected":false},"excerpt":{"rendered":"
N\u1ebfu ch\u00fa \u00fd ta s\u1ebd ph\u00e1t hi\u1ec7n \u0111\u1ed3ng h\u1ed3 m\u00e1y t\u00ednh hi\u1ec3u th\u1ecb tr\u00ean m\u00e0n h\u00ecnh v\u1eabn ch\u1ea1y \u0111\u00fang v\u1edbi th\u1eddi gian th\u1ef1c t\u1ebf. Khi m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c m\u1edf th\u00ec ngu\u1ed3n \u0111i\u1ec7n s\u1ebd c\u1ea5p \u0111i\u1ec7n cho \u0111\u1ed3ng h\u1ed3. Khi t\u1eaft m\u00e1y, ngu\u1ed3n \u0111i\u1ec7n b\u1ecb ng\u1eaft th\u00ec t\u1ea1i sao \u0111\u1ed3ng h\u1ed3 v\u1eabn ch\u1ea1y b\u00ecnh th\u01b0\u1eddng? Nguy\u00ean […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,13],"tags":[],"class_list":["post-10286","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tin-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10286","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10286"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10286\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}