Power-IC-Design

LAB802低功率混合訊號晶片實驗室ICDESIGNStudent:Shih-WeiWangCurrentBias(TemperatureEffect)FFSSSFFSTT1.52121()()nnTTTT()2SDoxmsoxoxtoFVQQCC()lnAsubFiNNKTq(1)WhenVgs≧Vt，由Vt決定。(小電流時ID隨升溫而提高)(2)WhenVgsVt，由μ決定。(大電流時ID隨升溫而降低)T↑Vto↓μ↓IDIDVBN1VBN1TopDiagram3Mixed-SignalandPowerICLabCurrentSensorEA1EONEOPEA2VoltageReferenceVONVrefVrefSWPSWPVPVpeakCoaCobIoaIobR1R2R3R4MNM1MPVOPVINL1VrefOSCControlLogicPWM/PSMControlCircuitVBGCMPSWNCMPVMSWNSlopeCompensationVRS22EONEOPBodySwitchVQStartUp&Bandgap低功率混合晶片設計實驗室LAB8024onoffStartUpBandgapILoss23.5u@VDD=5V低功率混合晶片設計實驗室LAB8025I_OP=8u3u500n1.5u6u1.5uBGclose-loopbodeplot低功率混合晶片設計實驗室LAB8026低功率混合晶片設計實驗室LAB8026VBGTran@VDD=5V低功率混合晶片設計實驗室LAB8027TTFFSSSFFSTemp-40~120VDD2.5V~5V低功率混合晶片設計實驗室LAB8028TT4.82mVFF5.42mVSS5.55mVSF4.52mVFS14.8mV41.7mV1.291.248ILoss低功率混合晶片設計實驗室LAB8029TTFFSSSFFS3u0低功率混合晶片設計實驗室LAB802clockAdvisor:Ke-HorngChenStudent:Kuan-YuChuLDO11VDDVSSVBGVPLoopgain(LDO)低功率混合晶片設計實驗室LAB80212DCGAIN(min):50dBPM=60°BW:4MHzClock2u2u1u8u8u8u4uLoopgain(VTOI)低功率混合晶片設計實驗室LAB80214DCGain(min):35dBPM:80°BW:7MHzMOSCAP低功率混合晶片設計實驗室LAB80215FFTTSSV=1VClock低功率混合晶片設計實驗室LAB80216VDDTTFFSS2.59.71E+051.32E+067.25E+0539.80E+051.34E+067.46E+053.59.80E+051.36E+067.52E+0549.90E+051.35E+067.58E+054.51.00E+061.37E+067.69E+0551.03E+061.43E+067.81E+050.00E+002.00E+054.00E+056.00E+058.00E+051.00E+061.20E+061.40E+061.60E+062.533.544.55TTFFSSFrequencyV.SVDDI_OTA低功率混合晶片設計實驗室LAB80217TTFFSSI=2uI=3uI=1.5uVDD=2.5~5V低功率混合晶片設計實驗室LAB802CurrentSenseAdvisor:Ke-HorngChenStudent:Yu-PingHuangCs10/23versionoriginalmineIq(A)13.0803u+2×IL/8K(bias5u)5.5472u+2×IL/17.7K(bias1u)Il300m~500mVsrIl300m~500mFFTTSSError=32%Error=41.8%VsrIl300m~500mFFTTSSError=1.06%Error=0.97%IsenseVdd2.550.524.7mVVsrTemp-401201036.4mVVsrIl100m~300mVsrIl100m~300mFFTTSSError=32.64%Error=38.6%VsrIl100m~300mFFTTSSError=0.2%Error=1.88%IsenseVdd2.550.523.2mVVsrTemp-401201022.4mVVsr低功率混合晶片設計實驗室LAB802ZeroCurrentProtectionAdvisor:Ke-HorngChenStudent:Yi-PingSuPowerstage(1/3)32VINVOPVONSWPSWNM1MNMPDIODEL1BodyswitchPath2Path1Powerstage(2/3)33VINVOPVONSWPSWNM1MNMPDIODEL1BodyswitchPath2Path1ILSWNSWPtimeArchitecture1byPhilipK.T.Mok34CCR_OUTVOPLX2IbiasVS.DelayIbias(μA)Delay(ns)0.594158.2236327.8423.3520.5618.5717815.8914.51014.11113.10102030405060708090100024681012delay(ns)Ibias(μA)Architecture1byPhilipK.T.Mok36CCR_OUTVOPLX25μA5μAArchitecture2addingacurrentsource37CCR_OUTVOPLX20Vorcloseto5V0A5V5μA5μA3μAArchitecture3usingonlyonecomparator38CCR_OUTVOPLX2buffer3μA3μAArchitecture4fixedbiascurrent39CCR_OUTVOPLX23μA5μA5μABiasvoltage40Architecture2Architecture1Architecture4CCR_OUTVOPLX2VOPLX2IMB241Architecture2Architecture1Architecture4Architecture3CCR_OUTVOPLX2VOPLX2IM2242Architecture2Architecture1Architecture4CCR_OUTVOPLX2VOPLX2Delayofarchitecture1(corner)431.75ns55.5nsDelayofarchitecture2(corner)440.915ns69.6nsDelayofarchitecture3(corner)455.86ns28.4nsDelayofarchitecture4(corner)4626.7ns197nsComparisonofoutput(speed)47Architecture2Architecture1Architecture4Architecture3Architecture2totalcurrentconsumption48Architecture1totalcurrentconsumption49Architecture3totalcurrentconsumption50Architecture4totalcurrentconsumption51Comparisontablearchitecture1234Numberofcomparators2212Delay(ns)Rise50.244.734.462.0Fall19.394.260.817.4Staticcurrent(μA)Out=124.327.216.823.3Out=010.213.213.220.3Dynamicmaximumcurrent(μA)Rise68.571.517.555.3Fall72.274.426.669.652ESRwithCapacitanceLeadframe128pin：10mΩ208pin：20mΩGoldwireLength4mm/1.2mil：135mΩLength4mm/1mil：195mΩESR