无线机器人的未来：面向移动性、人工智能和机器视觉的GaN供电解决方案.pdf

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1、1epc-EPC POWER CONVERSION TECHNOLOGY LEADERGaN and the Future of Untethered RobotsAlex LidowCEO EPCAugust 20242epc-EPC POWER CONVERSION TECHNOLOGY LEADER3epc-EPC POWER CONVERSION TECHNOLOGY LEADERGaN Benefits in BLDC Motor DrivesGaN FET/ICs switch fast with QRR=0 Higher switching frequencyElectrolyt

2、ic capacitor elimination.Reduced motor losses Higher torque per AmpereImproves inverter&motor system efficiencyReduces size&weight by integrating the inverter inside the motorLower dead time4epc-EPC POWER CONVERSION TECHNOLOGY LEADERHigher Efficiency,Smaller Size,Lower CostSetupMOSFET Inverter20 kHz

3、,500 ns dead time400 RPM,5 ARMSGaN Inverter100 kHz,21 ns dead time400 RPM,5 ARMSInput Inductance2.7 HNoneInput capacitor660 F electrolytic44 F ceramicPIN121.3 W113.3 WPOUT119.6 W111.3 Winverter98.5%98.2%Speed42.25 rad/s41.94 rad/sTorque1.876 Nm1.940 NmPmech79.3 W81.36 Wmotor66.3%73.1%total efficienc

4、y65.3%71.8%5epc-EPC POWER CONVERSION TECHNOLOGY LEADERMonolithic GaN Power Stage6epc-EPC POWER CONVERSION TECHNOLOGY LEADERPower Stage ICsIndustrialFormatPackageSizeSamplesLaunchEPC2152HB+DR 10ACSP10mm2NowQ424EPC23102HB+DR 30AFCQFN3.5X5 mmNowQ424EPC23104HB+DR 7AFCQFN3.5X5mmNowQ424EPC23100LS FET+DRFC

5、QFN3X5 mmTBDTBD7epc-EPC POWER CONVERSION TECHNOLOGY LEADER8epc-EPC POWER CONVERSION TECHNOLOGY LEADERGaN Benefits in LidarGaN FET/ICs switch fast with very high currentHigher switching speedBetter resolutionandFaster frame rateLonger distanceand Smaller sizeImproves resolution,visible distance,frame

6、 rate,and sizeHigh Current9epc-EPC POWER CONVERSION TECHNOLOGY LEADEReGaNFET Plus DriverQLGateLCSI10epc-EPC POWER CONVERSION TECHNOLOGY LEADERLiDAR ICsIndustrialDescriptionPackageSize(mm)SamplesMPEPC2160140V 10A 1 chWLCSP1X1.5NowNowEPC2160340V 10A 1ch LVDSWLCS