Kev txiav txim siab ntawm PCB Layout
Thaum tsim lub 12V PCB fais fab mov muaj ntau yam tseem ceeb uas yuav tsum tau nco ntsoov los xyuas kom meej qhov ua tau zoo thiab kev ntseeg tau.
Muab tso rau hauv
Qhov kev tso kawm raug raug yog qhov tseem ceeb kom ua tiav lub zog ua haujlwm zoo. Qhov tseem ceeb yog txo qhov kev ncua deb ntawm cov khoom kom txo tau qhov ntev ntawm cov xov hlau thiab txo cov kab mob parasitic inductance thiab capacitance. Qhov no tuaj yeem ua tiav los ntawm kev sib koom ua ke raws li lawv txoj haujlwm thiab muab lawv cov tswv yim rau ntawm lub rooj tsavxwm.
Thov ib daim ntawv tsocai tam sim no rau kev tsim thiab sib dhos PCB
Hauv av txheej
Lub dav hlau hauv av yog ib qho tseem ceeb hauv kev tsim PCB, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv hluav taws xob. Ib lub dav hlau hauv av muab ib txoj hauv kev uas tsis muaj impedance rov qab rau tam sim no ntws thiab txo cov suab nrov thiab cuam tshuam hauv Circuit Court. Nws raug pom zoo tias lub dav hlau hauv av tau muab tso rau hauv qab ntawm lub rooj tsavxwm, kom ze li sai tau rau cov khoom siv hluav taws xob.
Cov kab mob thiab kab mob
Kev sib txuas ntawm cov xov hlau yog lwm qhov tseem ceeb ntawm PCB layout tsim. Nws yog ib qho tseem ceeb uas yuav tsum khaws cov xov hlau kom luv li sai tau thiab kom tsis txhob muaj kev sib tw ntse thiab khoov. Ib txoj cai zoo ntawm tus ntiv tes xoo yog khaws qhov dav ntawm cov xov hlau tsawg kawg peb zaug ntawm lub thickness ntawm cov tooj liab txheej. Rau txoj kev siab tam sim no, cov kab dav dav tau pom zoo kom txo qis kev tiv thaiv thiab kub dissipation.
Thaum xaim, nws yog ib qho tseem ceeb uas yuav tsum khaws cov teeb liab thiab lub zog txoj kev sib cais kom tsis txhob muaj kev cuam tshuam thiab suab nrov. Nws tseem yog ib qho tseem ceeb los xyuas kom meej tias cov kab sib txuas kom zoo los tiv thaiv arcing ntawm lawv.
Hauv cov ntsiab lus, tsim lub 12V PCB fais fab mov yuav tsum tau ua tib zoo xav txog qhov kev tso kawm, lub dav hlau hauv av thiab xaim routing. Los ntawm kev ua raws li cov kev coj ua zoo tshaj plaws thiab cov lus qhia, nws muaj peev xwm ua tiav lub zog ua haujlwm zoo thiab txhim khu kev qha.
Kev tsim khoom siv hluav taws xob
Kev tsim cov khoom siv hluav taws xob rau PCB tuaj yeem ua haujlwm nyuaj, tab sis nrog kev npaj ua tib zoo thiab ua tib zoo saib xyuas kom meej, nws tuaj yeem ua tiav. Hauv seem no peb yuav tham txog cov ntsiab lus tseem ceeb los txiav txim siab thaum tsim cov khoom siv hluav taws xob rau 12V PCB.
Kev xaiv ntawm voltage regulator
Thawj kauj ruam hauv kev tsim cov khoom siv hluav taws xob yog xaiv qhov tsim nyog voltage regulator. Lub voltage regulator yuav tsum muaj peev xwm tswj tau qhov input voltage ntau thiab muab ib tug ruaj khov tso zis voltage ntawm 12V. Muaj ntau hom regulators muaj, xws li linear regulators, switching regulators thiab LDOs. kev xaiv ntawm regulator yuav nyob ntawm seb cov kev cai tshwj xeeb ntawm PCB.
Lim thiab decoupling capacitor
Thaum xaiv cov regulator, cov kauj ruam tom ntej yog ntxiv lim thiab decoupling capacitors rau hauv Circuit Court. Cov capacitors no pab lim tawm suab nrov thiab muab qhov ruaj khov voltage rau lub nra. Tus nqi ntawm lub capacitor nyob ntawm cov kev cai tshwj xeeb ntawm PCB, tab sis feem ntau yog ib qho 0.1uF ceramic capacitor yog siv rau decoupling thiab 10uF electrolytic capacitor rau lim.
Thermal dissipation
Nws yog ib qho tseem ceeb uas yuav tau xav txog qhov kub dissipation thaum tsim lub hwj huam mov. Lub regulator yuav tsim kom muaj cua sov, tshwj xeeb tshaj yog yog hais tias nws yog ib tug linear regulator, thiab cov cua sov no yuav tsum tau dissipated los tiv thaiv kev puas tsuaj rau lub regulator thiab lwm yam khoom. Qhov kev xaiv ntawm lub dab dej kub thiab qhov chaw ntawm lub regulator ntawm PCB yuav ua lub luag haujlwm tseem ceeb hauv dissipating cua sov.
Hauv cov ntsiab lus, tsim cov khoom siv hluav taws xob rau 12V PCB yuav tsum tau ua tib zoo xav txog kev xaiv ntawm kev tswj hwm, lim thiab decoupling capacitors, thiab cua sov dissipation. Los ntawm kev ua raws li cov lus qhia no thiab ua tib zoo saib xyuas kom meej, lub zog ruaj khov thiab txhim khu kev qha tuaj yeem tsim los rau ib qho 12V PCB.
Zhejiang NeoDen Technology Co., LTD., nrhiav tau nyob rau hauv 2010, yog ib tug kws chaw tsim tshuaj paus tshwj xeeb nyob rau hauv SMT xaiv thiab qhov chaw tshuab, reflow cub, stencil printing tshuab, SMT ntau lawm kab thiab lwm yam SMT khoom. Peb muaj peb tus kheej R & D pab neeg thiab muaj lub Hoobkas,noj kom zoo dua ntawm peb tus kheej muaj kev paub txog R & D, kev cob qhia zoo, yeej lub koob npe nrov los ntawm cov neeg siv khoom thoob ntiaj teb.
Hauv kaum xyoo no, peb tus kheej tsim NeoDen4, NeoDen IN6, NeoDen K1830, NeoDen FP2636 thiab lwm yam khoom siv SMT, uas muag zoo thoob plaws ntiaj teb. Txog tam sim no, peb tau muag ntau dua 10, 000pcs tshuab thiab xa tawm mus rau ntau dua 130 lub teb chaws thoob ntiaj teb, tsim kom muaj lub koob npe nrov hauv kev ua lag luam. Hauv peb lub ntiaj teb Ecosystem, peb koom tes nrog peb tus khub zoo tshaj plaws los xa cov kev pab cuam muag khoom ntau dua, kev ua haujlwm siab thiab kev txhawb nqa zoo.
Peb ntseeg hais tias cov neeg zoo thiab cov neeg koom tes ua rau NeoDen yog ib lub tuam txhab zoo thiab tias peb txoj kev cog lus rau Innovation, Diversity thiab Sustainability kom ntseeg tau tias SMT automation yog siv tau rau txhua tus neeg nyiam nyiam nyob txhua qhov chaw.
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