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Switching Power Supply PCB Design Basics

Aug 18, 2023

Switching Power Supply PCB tsim yog ib qho tseem ceeb ntawm kev tsim hluav taws xob. Lub PCB tsim tau zoo pab txo qis EMI thiab txhim kho kev ua haujlwm zoo. Nov yog qee cov ntsiab lus tseem ceeb uas yuav tsum nco ntsoov thaum tsim lub zog hloov hluav taws xob PCB:

Component Placement: Kev tso chaw ntawm cov khoom ntawm PCB yog qhov tseem ceeb rau kev ua haujlwm ntawm lub zog hluav taws xob. Nws yog ib qho tseem ceeb uas cov khoom raug muab tso rau hauv ib qho uas txo cov kab ntev thiab txo cov voj voog. Qhov no yuav pab txo qis EMI thiab txhim kho kev ua haujlwm ntawm lub zog hluav taws xob.

Cov dav hlau hauv av: Cov dav hlau hauv av yog ib feem tseem ceeb ntawm PCB tsim ntawm kev hloov hluav taws xob. Lawv pab txo qhov impedance ntawm kev sib txuas hauv av thiab txo qis EMI, thiab nws yog ib qho tseem ceeb kom muaj lub dav hlau hauv av txuas nrog lub chassis hauv av.

Txoj kab dav dav: Cov kab dav dav ntawm PCB yog qhov tseem ceeb rau kev ua haujlwm ntawm cov khoom siv hluav taws xob. Cov kab uas nqaim dhau tuaj yeem ua rau muaj hluav taws xob poob thiab txo qhov kev ua haujlwm ntawm lub zog hluav taws xob. Nws yog ib qho tseem ceeb uas yuav tsum tau siv txoj kab dav dav kom zoo rau qhov tam sim no ntws los ntawm kab.

Kev Tswj Thermal: Hloov cov khoom siv hluav taws xob ua kom muaj cua sov ntau. Kev tswj xyuas thermal zoo yuav tsum tau txiav txim siab thaum tsim PCB. Qhov no suav nrog kev siv tooj liab potting, cua sov vias, thiab cov dab dej kub.

EMI Filtering: EMI filtering yog ib qho tseem ceeb rau kev txiav txim siab thaum tsim hluav taws xob hloov PCB. EMI cov ntxaij lim dej yuav tsum tau ntxiv rau cov khoom siv thiab cov khoom siv hluav taws xob kom txo tau cov suab nrov.

Los ntawm kev ua raws li cov hauv paus ntsiab lus no, koj tuaj yeem tsim kev hloov hluav taws xob PCBs uas ua tau zoo, txhim khu kev qha, thiab txo qis EMI.

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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 tus kheej lub Hoobkas, ua kom zoo dua ntawm peb tus kheej nplua nuj kev paub R & D, kev cob qhia zoo, tau txais lub koob npe nrov los ntawm cov neeg siv khoom thoob ntiaj teb.

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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