Lub zog hloov hluav taws xob ripple yog inevitable. Peb lub hom phiaj kawg yog kom txo cov zis ripple mus rau qib siab. Qhov kev daws teeb meem tseem ceeb tshaj plaws kom ua tiav lub hom phiaj no yog kom tsis txhob muaj cov ripples. Ua ntej tshaj plaws Thiab qhov ua rau. Nrog kev hloov ntawm SWITCH, tam sim no hauv inductanc ...
Inductance yog ib feem tseem ceeb ntawm DC / DC fais fab mov. Muaj ntau yam yuav tsum tau xav txog thaum xaiv ib qho inductor, xws li tus nqi inductance, DCR, qhov loj me, thiab saturation tam sim no. Cov yam ntxwv saturation ntawm inductors feem ntau nkag siab yuam kev thiab ua rau muaj teeb meem. Daim ntawv no yuav tham txog yuav ua li cas ...
1 Kev Taw Qhia Hauv lub rooj sib txoos hauv Circuit Court, cov tshuaj txhuam hniav yog luam tawm ntawm lub rooj tsav xwm hauv Circuit Court board ua ntej, thiab tom qab ntawd ntau yam khoom siv hluav taws xob tau muab tso rau. Thaum kawg, tom qab lub reflow rauv, cov tin hlaws nyob rau hauv lub solder paste yog m ...
Nco ntsoov cov kev xav hauv qab no rau lub moos ntawm lub rooj tsavxwm: 1. Layout a, lub moos siv lead ua thiab lwm yam circuits yuav tsum tau teem rau hauv qhov chaw nruab nrab ntawm PCB thiab muaj kev tsim zoo, tsis yog nyob ze ntawm I / O interface. Lub moos tiam Circuit Court tsis tuaj yeem ua rau hauv daim npav ntxhais lossis ...
Lub CAN lub tsheb npav tsis kam yog feem ntau 120 ohms. Qhov tseeb, thaum tsim, muaj ob 60 ohms tsis kam stringing, thiab feem ntau muaj ob lub 120Ω ntawm lub tsheb npav. Yeej, cov neeg paub me ntsis CAN tsheb npav yog me ntsis. Sawv daws paub qhov no. Muaj peb qhov teebmeem ntawm CAN npav...