手機(jī)用TFT-LCD控制驅(qū)動芯片電源模塊設(shè)計(jì).pdf

1、西北工業(yè)大學(xué)研究生學(xué)位論文(專業(yè)學(xué)位研究生)題目：壬扭旦!至里L(fēng)g旦控壺』堡動薟丘電遮椹迭遮讓作者：工塹這領(lǐng)域：筮仕工程指導(dǎo)教師：樊瞳椏日期：三委雯巒生盍旦手機(jī)用TFrLCD驅(qū)動擰制芯片電源模塊設(shè)計(jì)AbstractAbstractWiththedevelopmentofmobilecommunicationtechnologythedisplayqualityrequirementofcellularphoneisincreasedco

2、ntinuallyDuetoitsspecialcharacterssuchashi【ghresolution，fullcolorandgooddisplayquality，TFTLCDisthedominantoneinthefieldofdisplayterminalofmobilephoneFurthermore，itsmarketratiointhedisplayterminalofmobilephoneisincreasing

3、continuallyAstheinterfacecircuitsbetweenMPUandTFTLCDpanelofcellularphoneTFTLCDDriverICcontrolsdisplayprocessanddrivesthelatticeoftheTFTLCDpanel，itsperformanceinfluencesdisplayqualityandpowerconsumptionofLCDmoduledirectly

4、Researchsubjectofthisthesisisapartof“ResearchoncontrollerdriverICforcolorTFTLCDforcellularphone”whichisfinanciallysupposedbyNational“863”studyingprogramThestructure，workprocessanddrivingmethodofTFTLCDarediscussedfirstlya

5、ndthearchitectureoftheone—chipICisalsopresentedAndthen，accordingtotheIC’srequirementstopowerblock，thesystemdesignandsubblockspartitionofthepowerblockhavebeenfinishedandthepowergeneratingsequencehasalsobeendefinedAccordan

6、cewiththepeculiarityofprogrammablevoltageandbiascurrents，therelationbetweenkeyregistersandprogrammablevoltageandbiascurrentsisdescribedInthesectionofdesignofsubblockcircuits，thestructureofOP—AMPprogrammablecurrentcircuit

7、andthekeypointinthedesignareproposedatbeginningInvoltagereferencecircuit，12VreferencevoltageisgeneratedbyusingbandgapcircuitLatervoltageregulatorcircuitsbasedonLDOaredesignedInprogrammablestepupcircuitssection，thetopolog

8、yandcontrolmethodofswitchedcapacitorchargepumpswhichcanbecontrolledbyprogrammingisstudiedandfourbuilt—inpowersuppliesaregeneratedInordertoprovideclocktochargepumpsanddigitalpart，a330KHzmultivibratorisimplementedIntheproc

9、essofdesignofdrivingpowersupplythetopologyofamplificationadjustmentcircuitsandvoltagevolumeadjustmentcircuitsaswell，isdescribedAnovelOUtpIutbufferwhichcanoutputcurrentsourceandcurrentsinkwithoutincreasingpowerconsumption

10、，isproposedAtthelastphaseofdescriptionofeverysub—blocktheHspicesimulationresultsusing025um32VBCDhiighvoltageprocessaregivenTheyprovethattheperformancesoftheimplementedcircuitscanmeetspecificationsandapplicationrequiremen