Yuav Ua Li Cas Prototype Lub Roj Teeb Hluav Taws Xob Hluav Taws Xob PCB: Daim Ntawv Qhia Ua Ntej

Qhia:

Kev txhim kho thev naus laus zis hauv cov roj teeb them nyiaj tau zoo txhim kho peb lub peev xwm kom muaj zog ntau yam khoom siv. Txawm li cas los xij, cov txheej txheem ntawm kev tsim cov tshuab no yuav tsum tau ua tib zoo npaj, sim, thiab tsim qauv.Qhov blog no yog lub hom phiaj los muab cov lus qhia dav dav rau koj yuav ua li cas los tsim ib lub rooj tsav xwm luam tawm (PCB) tshwj xeeb rau kev siv hauv lub roj teeb them nyiaj.Los ntawm kev sib txuas cov kev paub theoretical thiab cov kauj ruam ua tau zoo, koj yuav tau nruab los tsim cov qauv kev vam meej thiab tsav kev tsim kho tshiab hauv thaj chaw zoo siab no.

1. Nkag siab txog PCB qauv tsim ntawm lub roj teeb them system:

Ua ntej delving rau hauv cov txheej txheem prototyping, nws yog ib qho tseem ceeb kom paub cov hauv paus ntawm PCB tsim thiab cov roj teeb them nyiaj. PCBs yog lub hauv paus ntawm txhua yam khoom siv hluav taws xob, suav nrog cov roj teeb chargers, vim tias lawv muab cov hluav taws xob tsim nyog ntawm cov khoom sib txuas. Ua kom paub txog ntau hom PCBs xws li ib leeg, ob sab thiab ntau txheej raws li qhov kev xaiv nyob ntawm qhov nyuaj ntawm qhov system.

2. Roj teeb them system npaj thiab tsim:

Kev npaj zoo thiab tsim qauv yog qhov tseem ceeb rau kev ua tiav ntawm PCB prototyping. Pib los ntawm kev txheeb xyuas cov hom phiaj ntawm lub roj teeb them nyiaj thiab txiav txim siab hom roj teeb uas nws txhawb nqa. Xav txog txoj kev them nyiaj (tsis tu ncua voltage, tsis tu ncua tam sim no, thiab lwm yam), lub sijhawm them, lub peev xwm, kev nyab xeeb thiab lwm yam. Siv cov software simulation los ua qauv thiab txheeb xyuas qhov system tus cwj pwm ua ntej nkag mus rau theem ntawm lub cev prototyping.

3. Xaiv cov khoom kom raug:

Kev xaiv cov khoom siv tuaj yeem cuam tshuam rau PCB kev ua tau zoo thiab kev ntseeg tau. Xaiv cov khoom uas sib haum nrog qhov voltage thiab tam sim no cov cai ntawm koj lub cev them nyiaj. Xav txog kev siv cov khoom siv hluav taws xob zoo (IC) tsim tshwj xeeb rau kev siv roj teeb. Tsis tas li ntawd, xaiv cov connectors txhim khu kev qha, resistors, capacitors, thiab lwm yam khoom tsim nyog los xyuas kom meej kev ua haujlwm zoo.

4. Schematic tsim thiab PCB layout:

Thaum xaiv cov khoom tiav, nws yog lub sijhawm los tsim cov schematic thiab tsim cov txheej txheem PCB. Siv cov cuab yeej software xws li Altium Designer, Eagle lossis KiCad los tsim cov schematics uas qhia txog txhua qhov kev sib txuas ntawm cov khoom. Xyuas kom cov ntawv sau kom raug thiab meej meej kom nkag siab yooj yim.

Tom qab lub schematic yog tiav, nteg tawm lub PCB tsim. Xyuas kom tseeb tias cov khoom raug muab tso kom raug, coj mus rau hauv tus account yam xws li kub dissipation, kab ntev, thiab teeb liab kev ncaj ncees. Ua tib zoo saib xyuas cov ntsiab lus ntawm cov roj teeb sib txuas kom paub tseeb tias lawv nruj thiab muaj peev xwm tuav tau qhov yuav tsum tau muaj tam sim no thiab voltage.

5. Tsim cov ntaub ntawv Gerber:

Tom qab tsim PCB tiav, cov ntaub ntawv Gerber raug tsim tawm. Cov ntaub ntawv no muaj tag nrho cov ntaub ntawv uas cov chaw tsim khoom xav tau los tsim PCB rau koj cov lus qhia tshwj xeeb. Ua tib zoo tshuaj xyuas cov qauv tsim kom ntseeg tau tias muaj tseeb thiab sib haum nrog cov txheej txheem tsim khoom.

6. Prototyping thiab kuaj:

Thaum koj tau txais PCB tsim, koj tuaj yeem sib sau ua ke thiab sim cov qauv. Pib los ntawm populating lub rooj tsavxwm nrog cov khoom xaiv, kom ntseeg tau qhov tseeb polarity thiab kev sib dhos. Xyuas kom zoo zoo thiab ua tib zoo saib xyuas cov khoom tseem ceeb xws li lub zog hluav taws xob thiab them IC.

Tom qab sib dhos, tus qauv raug sim siv cov software tsim nyog thiab cov khoom siv kuaj. Saib xyuas cov txheej txheem them nyiaj kom paub meej tias nws ua raws li cov kev txwv ua ntej. Ntsuas qhov kub thiab txias, kev ruaj ntseg tam sim no, thiab kev ua haujlwm tag nrho. Ua qhov tsim nyog hloov kho thiab rov txhim kho yog tias xav tau.

7. Ua kom zoo thiab ua kom zoo:

Prototyping yog ib qho txheej txheem rov ua dua. Tshawb xyuas cov txiaj ntsig kev xeem txhawm rau txheeb xyuas qhov tsis txaus lossis thaj chaw rau kev txhim kho thiab txhim kho koj tus qauv PCB kom haum. Qhov no tej zaum yuav muaj xws li hloov qhov chaw tso, tracing routing, lossis txawm xaiv cov khoom sib txawv. Cov theem kev sim rov ua dua kom txog thaum qhov kev xav tau thiab kev ntseeg tau tiav.

Hauv kev xaus:

Roj teeb them system PCB prototyping yuav tsum tau ua tib zoo npaj, tsim, thiab pov thawj. Los ntawm kev nkag siab txog PCB cov hauv paus, kev xaiv cov tswv yim, kev ua tib zoo tsim qauv thiab PCB layout, ua raws li kev soj ntsuam zoo thiab rov ua dua, koj tuaj yeem txhim kho lub roj teeb zoo thiab txhim khu kev qha. Nco ntsoov, kev kawm tas mus li thiab nyob rau sab saum toj ntawm cov thev naus laus zis tshiab yuav pab koj thawb cov ciam teb ntawm kev tsim kho tshiab hauv thaj chaw muaj zog no. Zoo siab prototyping!