1、Modern Design and Simulation for Automotive Electronics Using Keysight EEsof EDA Tools先進汽車電子設計及仿真之EEsof EDA解決方案TU, NashKeysight EDA Application EngineerAgenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with Automotive Companies Examples2. Automot

2、ive RadarOverviewSystem SimulationSimulation for Automotive Electronics2Agenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with Automotive Companies Examples2. Automotive RadarOverviewSystem SimulationSimulation for Automotive Electronics3Challeng

3、e in Power Supply Circuit Simulation4Downsizing/Higher frequencyDownsizing/Higher frequencyDifficult to reduce noiseTend to noisy at higher frequencyPower loss atcomponents and PCBProduction prototyping is not efficientUsing Simulation is much effective (No electric shock!)Simulation for Automotive

4、ElectronicsDesign Challenges: Circuit DesignersSimulation for Automotive ElectronicsDesigners are not high speed savvyChallenges:Designers come from a power supply background no HS experienceSwitched edges contain frequency content into the GHz rangeLayout parasitics degrade efficiency and cause EMI

5、 issuesSpikes and ringing exceed ratings of devices and destroy them!Switch mode circuits generate EMIThermal issues are not well modeledHigh frequency, RF expertsExperts in HSD design for a decadeMulti-domain simulator technologies Expertise in physical designSchematic sim red traceLayout CoSim blu

6、e trace5To Simulate Power Supply CircuitPower TransistorsSwitch Model Lower accuracySPICE Model High accuracyPCBEM Simulation S-parametersTransformer/Inductor/CapacitorVendor component modelsMeasurement resultsGenerate equivalent circuit fromdatasheet (DIY)6Simulation model is requiredADS supports v

7、arious models to simulate Power Supply CircuitSimulation for Automotive ElectronicsPowerDevicePower Device ModelingVariation of Power DeviceCant simulateHiSIM-HVLDMOS, HVMOSIGBTSiC MOS/DiodeGaN HEMTGaN MOSNo standard modelSimulation for Automotive Electronics7Accurate Modeling ServiceSimulation for

8、Automotive Electronics8Id-VdCgdCdsAngelov-GaN(Revised)BSIM4HiSIM_HVKeysight Custom Solution for Power Device UsersSimulation for Automotive Electronics9Generate simple power device model from. Measurement dataor Device data sheetwith one click!Model Extraction Tool(EEsof Custom Service)1 Click!ADSSi

9、mulationModel ParameterData Migration ToolDeviceDataSheetORMeasurementdata3rd Party ToolGP-IBAccurate Power Supply Noise AnalysisHow much is PCB characteristics important?You can see the answer from this plot!How can I tell the PCB characteristics?Using “Electro Magnetic (EM)” SimulatorIs simulation

10、 accurate?If you use simulator with proper way by using accurate model, you can gain good correlation with the measurements.10Taking PCB characteristics into account is the keywith PCBwithout PCBSimulation for Automotive ElectronicsFull-wave EM SimulationSimulation for Automotive Electronics11Schema

11、tic/Layout/EM tied together for faster workflowPrediction of layout, packaging, non-ideal parts, PCB physical effectsAdvanced Design System (ADS)12All in One Environment for RFuW/HSD/Power Supply CircuitTime Domain/Mod-Demod/Spara/AC/DC/HBOptimization/Statistical AnalysisAdvanced Post ProcessingHSD

12、PHY/EQ analysisADSPHY standard complianceTx/Rx and sample circuitsMomentFEMSIPro/ PIProSimulation for Automotive ElectronicsAgenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with Automotive Companies Examples2. Automotive RadarOverviewSystem Simu

13、lationSimulation for Automotive Electronics13Example-1Synchronous Buck Converter and output1st2ndSchematicLayout14Simulation for Automotive ElectronicsCurrent Density Changes by FrequencyCurrent Density Near Magnetic Field1st2ndPrimary sideCapacitor Voltage1MHz4MHz6MHz15You can observe current flow

14、with IC working stateSimulation for Automotive ElectronicsExample-216Correlation with Measurement ResultsSimulationMeasurementIC Switching output voltageVoltage output at loadLISN SpectrumBy using accurate model and taking PCB into account, you can gain similar high frequency noise with measurementS

15、imulation for Automotive ElectronicsAgenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with Automotive Companies Examples2. Automotive RadarOverviewSystem SimulationSimulation for Automotive Electronics17Collaboration with Device Vendors recently1

16、8Caution: Secondary use of this Logotypes, Web pages on this page are not allowed.Joint SeminarJoint presentation at ICEPCase Study introduction with TDKSimulation for Automotive ElectronicsAgenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with A

17、utomotive Companies Examples2. Automotive RadarOverviewSystem SimulationSimulation for Automotive Electronics19Why we need automotive radar?The trend from “comfort only” functions to autonomous systems with radar sensing technologies that serve both the comfort and the safety domain. 20Comfort-Passi

18、ve safety-Active safety-Autonomous CarSimulation for Automotive ElectronicsSystemVue Platform Brief IntroductionTransition naturally from DesignTest with a single “cockpit”Quickly capture “system level” design conceptsModel implementation-level impairmentsConnect BB, RF, and T&M for rapid validation

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21、 layer (PHY) of wireless and aerospace/defense communications systems and provides unique value to RF, DSP, and FPGA/ASIC implementers.Simulation for Automotive ElectronicsAgenda1. Power Electronics Challenges in power supply circuit simulationSimulation ExampleCollaboration with Automotive Companie

22、s Examples2. Automotive RadarOverviewSystem SimulationSimulation for Automotive Electronics22Automotive Radar Simulation with EEsof solutionsDesign ToolsSystem/DSP: SystemVueuW/mmW : ADSAntenna : ADS/EMProSimulation for Automotive Electronics23BasicAdvancedSourceCW Pulse, LFM,NLFM, Binary phase code

23、d (Barker), Poly phase coded (ZCCode, Frank), PolyTime, FSK HP, Arbitrary PRN,FMCW DDS, UWB, SFR, SAR, Phased Array, MIMO, PBRRF Behavior Tx and Rx Front-end, PA, LNA, FiltersDUC, DDC, ADC, DAC, T/R ModulesAntennaAntenna Tx & Rx Phased Array Antenna, Tx & Rx, Array-CoupleEnvironmentsClutters, Jammin

24、g, Deceptive Jamming, InterferenceMoving target, Multi Scattering RCS, STK-LinkEWDetection, EP, ES, EADynamic Signal generation, Receiver, DOA, DRFMSignal ProcessingPulse Compression, Detection & Tracking, CFAR, MTI, MTDBeamforming, Adaptive Phased Array Receiving, STAP, SF Processing, Beam forming,

25、 Passive Radar SPMeasurementsWaveform, Spectrum, Group DelayAntenna Pattern 2D&3D, Imaging Display, Detection Rate, False Alarm Rate, Range & Velocity Estimation, Un-Ambiguity Range & VelocityMoving PlatformMoving Platform Tx & RxSystemsCW Pulse, Pulse Doppler, UWBFMCW, SFR, SARAESA, MIMO, PBRTemplatesAlmost 100 design templates for referenceSystemVue Radar LibrarySimulation for Automotive Electronics24Design ToolsSyste