microchipdspic33fj16系列高性能低成本马达控制方案

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1、MicrochipdsPIC33FJ16系列高性能低成本马达控制方案关键字：工业控制,马达控制Microchip公司的dsPIC33FJ16GP101/102和dsPIC33FJ16MC101/102是高性能超低成本数字信号控制器（DSC），包含了DSP功能和高性能16位MCU架构,3.0V-3.6V的性能高达16MIPS，可扩展的工作温度-40℃到+125℃，主要用在家用电器如洗衣机,医疗设备如输液泵，工业如AC马达等.本文介绍dsPIC33FJ16系列主要特性，方框图，CPU核方框图和应用电路以及马达控制板系统框图，电路图和

2、材料清单（BOM）。ThisdocumentcontainsdevicespecificinformationforthedsPIC33FJ16GP101/102anddsPIC33FJ16MC101/102DigitalSignalController(DSC)Devices.ThedsPIC33FdevicescontainextensiveDigitalSignalProcessor(DSP)functionalitywithahigh-performance,16-bitmicrocontroller(MCU)archi

3、tecture.dsPIC33FJ16系列主要特性:OperatingRange:•Upto16MIPSoperation(3.0V-3.6V):-Industrialtemperaturerange(-40℃to+85℃)-Extendedtemperaturerange(-40℃to+125℃)On-ChipFlashandSRAM:•Flashprogrammemory(16Kbytes)•DataSRAM(1Kbyte)•SecurityforprogramFlashSystemManagement:•Flexiblec

4、lockoptions:-External,crystal,resonator,internalFRC-Phase-LockedLoop(PLL)•High-accuracyinternalFRC-±0.25%typical•Power-onReset(POR)•Power-upTimer(PWRT)•OscillatorStart-upTimer(OST)•Brown-outReset(BOR)•WatchdogTimerwithitsownRCoscillator•Fail-SafeClockMonitor(FSCM)Mot

5、orControlPWM:•6-channel16-bitMotorControlPWM:-Threedutycyclegenerators-IndependentorComplementarymode-Programmabledeadtimeandoutputpolarity-Edge-alignedorcenter-aligned-Manualoutputoverridecontrol-UptotwoFaultinputs-TriggerforADCconversions-PWMfrequencyfor16-bitresol

6、ution(@16MIPS)=488HzforEdge-Alignedmode,244HzforCenter-Alignedmode-PWMfrequencyfor11-bitresolution(@16MIPS)=15.63kHzforEdge-Alignedmode,7.81kHzforCenter-AlignedmodePowerManagement:•Singlesupplyon-chipvoltageregulator•Switchbetweenclocksourcesinrealtime•Idle,Sleep,and

7、Dozemodeswithfastwake-upAnalogPeripherals:•10-bit,1.1MspsAnalog-to-DigitalConverter(ADC):-Twoandfoursimultaneoussamples-Uptosixinputchannelswithauto-scanning-Conversionstartcanbemanualorsynchronizedwithoneoffourtriggersources-Sleepmodeconversionforlow-powerapplicatio

8、ns-±2LSbmaxintegralnonlinearity-±1LSbmaxdifferentialnonlinearity•ThreeAnalogComparatorswithprogrammableinput/outputconfiguration:-U