Nyob rau hauv luv luv, tus tsav tsheb LED yog qhov tseem ceeb yog ib hom kev hloov hluav taws xob, tab sis nws muaj qee cov yam ntxwv tshwj xeeb uas feem ntau lav nws qhov kev faib tawm raws li tus tsav tsheb LED. Cov yam ntxwv no muaj xws li:
Ua ntej, nws cov zis hluav taws xob yog ntau yam ntawm 3.2, lub ntsiab lus nws tuaj yeem yog 3.2V, 6.4V, 9.6V, 12.8V, thiab lwm yam, tab sis feem ntau tsis tshaj 25.6V. Qhov no ua kom ntseeg tau tias thaum tig rau ntawm LED, qhov kawg LED tig rau yuav tsis hlawv vim muaj teeb meem ntawm cov khoom sib xws. Tsis tas li ntawd, qhov voltage no tsis tas li tab sis kho nrog kev hloov pauv, yog li ua tiav cov zis tam sim no.
Qhov thib ob, nws cov zis tam sim no tsis tu ncua. Qhov zoo tshaj plaws, tus neeg tsav tsheb tswj xyuas qhov tso tawm tam sim no tsis hais txog kev hloov pauv ntawm LED tus yam ntxwv nkhaus. Txawm li cas los xij, vim muaj kev txwv tsis pub muaj kev txwv, me ntsis kev hloov pauv tuaj yeem tshwm sim hauv kev xyaum, ua rau nws yog qhov tseem ceeb rau kev ntsuas kev ua haujlwm ntawm tus tsav tsheb. Kev tswj xyuas qhov tso tawm tam sim no yog qhov tseem ceeb tshwj xeeb vim tias LED tig- ntawm qhov hluav taws xob thiab tam sim no muaj qhov tsis sib xws, peb - kauj ruam kev sib raug zoo.
Tsis tas li ntawd, nws txoj kev pib ua haujlwm yog mos- pib. Muab qhov sib txawv ntawm cov khoom lag luam LED sib xws thiab lub peev xwm rau kev hloov pauv hloov pauv hauv PN kev sib tshuam hauv kev ua haujlwm thaum tig - rau, mos- pib tsim yog dav siv nyob rau hauv LED tsav tsheb los txo cov teeb meem no.
Tsis tas li ntawd, Circuit Court tsim siv zog rau kev yooj yim. Hauv ntau daim ntawv thov, circuits yuav tsum tau muab tso rau hauv qhov chaw kaw kom haum rau kev txav mus los ntawm LED teeb pom kev zoo. Yog li ntawd, kev tsim hluav taws xob yooj yim tsis tsuas yog pab txo cov nqi thiab kev siv hluav taws xob, tab sis kuj txhim kho cov khoom siv tau zoo.
