IR2110在无刷直流电机驱动电路中的应用

　4201012ELECTROMECHANICALCOMPONENTSVol.30No.12Dec.2010　:2010-8-20:(1983-),,,,。IR2110　(中国空空导弹研究院,河南洛阳471009)　　:本文介绍了IR公司的桥式驱动集成电路芯片IR2110的内部结构及功能特点,设计了基于IR2110和功率MOSFET的无刷直流电动机驱动电路,通过对驱动电路自举电容和自举二极管等器件的合理选择,实现了无刷直流电机的电子换向和高效驱动,系统具有结构简单,稳定可靠等优点。:IR2110;自举电容;无刷直流电机;MOS场效应管Doi:10.3969/j.issn.1000-6133.2010.04.006:TM58　　:A　　:1000-6133(2010)04-0028-04TheApplicationofIR2110intheDesignofDrivingCircuitofBrushlessDCMotorCHENGShibing,ZHANGAijun(Chinaairbornemissileacademy,LuoYangHunan471009,China)Abstract:TheinternalstructureandfunctionalfeaturesoftheIR'sbridgedriverintegratedcircuitchipIR2110areresearchedinthisthesis.ThebrushlessDCmotordrivingcircuitisdesignedbasedonIR2110andthepowerMOSFET.ToachieveelectroniccommutationandefficientdriveforthebrushlessDCmotor,thebootstrapcapacitoranddiodearereasonablychosen.Thedrivingsystemissimple,stableandreliable.Keywords:IR2110;bootstrapcapacitor;brushlessDCmotor;MOSFET引　言IRIR2110、、。、、、、、,,MOSFET、IGBT、。IR2110,,MOSFET()IR2110,IR2110。6,3IR21103,110V～20V。,,,。1　IR2110内部结构及功能特点IR2110,500V,500kHz,1。:,。IR2110CMOS,5V～20V,TTLCMOS,2,。,(Vss)(COM)±5V,50ns,。1　IR2110　　IR2110,2。3(VCC)6(VB),2(COM),5(Vs),9(VDD),13(Vss),11(SD)。VCC10V～20V,VSSCOM,VCCVDD+15V。2　IR2110　　HIN/LIN=1,HO/LO=1,MOSFET;HIN/LIN=0,HO/LO=0,MOSFET,SD。8.3V,。10V～20V,29　4:IR2110:Ton=120ns,Toff=94ns。10ns[1],MOS,。2　无刷直流电机驱动电路、,、、、,、,,,[2]。,、、、。3IR2110()。3IR21106NMOSFET,MOSFETPWM。PWM,IR2110,NMOSFET,。3　3　自举器件的选用Vcc(+15V)IR2110MOS,。3,C1D1,C2Vcc。Q1C1(Vc1≈Vcc)。10(HIN),Vc1Q1,C1Rg1Q1-Cge1,Cge1,Vc1。10(HIN),Q1Rg1、Dg1、Rx1,Q1。(td),IR2110Q2,VccD1、Q2C1,C1,。C1,HIN=1C18.3V,,Q1,,[4]。MOSFET、。MOSFET,PWM,,,,,1uF。D1Q1Vcc。IR2110D1,MOSFET,,,FR107,500ns,1000V。302010　IR2110,25ns,,。,,RgDg。IR2110Rg,Rg,IR2110。4　结论IR2110,,、。,。:[1]　IR2110:Highandlowsidedriver,InternationalRectifi-erDataSheet,USA,2000.[2]　.[M].:,1996.[3]　,.[M].,2005.[4]　,.IR2110[J].,2000,34(1):31～33.[5]　.IR2110[J].,2004,30(1):33～35.　　(16)　　R:P=LfI2/2(7),f。(3)MOSFETG、S,,MOSFET,,。,,6。6　:;。,300A,118℃,。2　结束语,JGY24-150,,。,1%。。:[1]　.JG-3F[J].,1996.16[2]　.JG[J].,2009.3[3]　,.[M].,2003.[4]　QC/T413-2002,31　4:IR2110