《一周内完成T52x28W电子镇流器设计》由会员分享，可在线阅读，更多相关《一周内完成T52x28W电子镇流器设计（21页珍藏版）》请在装配图网上搜索。
1、T5一拖二电子镇流器一拖二电子镇流器 现在已经有评估板现在已经有评估板啦！啦！IR公司将为客户提供公司将为客户提供 1）评估板评估板2）Gerber文件文件 4）元器件清单）元器件清单3）电路原理图）电路原理图123456ABCD654321DCBATitleNumberRevisionSizeBDate:28-Oct-2005Sheet of File:E:lightingIR2520DIR2520D for electronic ballast.DdbDrawn By:VCC1COM2FMIN3VCO4LO5VS6HO7VB8IR2520DQ1Q2C4C3C2C6C5+C1D1D2D3D4
2、D6D5L1L2R1R2FC7CR1CR2RG1RG2outputAoutputAoutputAoutputAoutputBoutputBoutputBoutputBD7D9D8+C8R5L6C9L5C4L LI I G G H H T TI I N N G G8 pin CFL IC PinoutPin AssignmentsPin#SymbolDescription1234IR2XXXVCCCOMFMINLOVSHOVB8765VCO1376542FMINVCCHOVSLOMinimum frequency settingHigh-Side Floating ReturnHigh-Side
3、 Gate Driver Output8COMVBHigh-Side Gate Driver Floating SupplyIC Power&Signal GroundSupply VoltageVCOVoltage controled oscillator inputLow-Side Gate Driver O5LI G H TI N GLI G H TI N G8 pin CFL IC Block Diagram12348765VoltageControlledOscillatorCOMVCOFMINIntegrated BootstrapDiodeVCCHigh Side AndLow
4、SideDriverVBHOVSLOFaultLogicAdaptive ZVS&MCSVSS6LI G H TI N GLI G H TI N GNew 8 Pin IC Control SequencefosctpreheatignitionrunfStartfIgnitionfRunIgnitionRunStartFrequency KHzMagnitude dBCrest Factor P8LI G H TI N GLI G H TI N GLOHOM1M2CBOOTDCP1DCP2HalfBridgeOutputVCCCOMCVCOCVCC12VCO3DBOOTHalfBridgeD
5、riverVCOLoadReturnILOADCCPBUSV (+)BUSV (-)OO15.6VVSVB7658FaultLogicVSSensing4FMINRFMINFrequency Sweep Mode C10LI G H TI N GLI G H TI N GAdaptive ZVMCS CircuitryLOHOM1M2CBOOTDCP1DCP2HalfBridgeOutputVCCCOMCVCOCVCC12VCO3DBOOTHalfBridgeDriverVCOLoadReturnILOADCCPBUSV (+)BUSV (-)VSVB7658OO15.6VFaultLogic
6、AdaptiveZVMCSLogicVSSensingOO12LI G H TI N GLI G H TI N GFault ModeILVINVSVBUSHOLOCrest Factor 13LI G H TI N GLI G H TI N GNon-strike Fault Condition(CS pin)no over-current,inductor saturation,damage or destruct half-bridge MosfetsHigh-QLow-QPreheatIgnitionRunHigh-QPreheatVoutVinfrequencyVSIL!14LI G
7、 H TI N GLI G H TI N GOpen Filament Condition(CS pin)no hard switching at half-bridge which would damage or destruct power MosfetHigh-QLow-QPreheatIgnitionRunfr(HQ)fr(LQ)VSILVSIS1IS2!输入电压输入电流输入功率功率因数170V0.305A49W0.948220V0.28859.6W0.943250V0.27865W0.942NODescriptionDesignator Footprint Description P
8、art No.SupplierQty/S1IR2520DICIR1222uF/450VC1131N4007D1,D2,D3,D4,D7,D8,D9145.1ohm/2WR5152Mohm/R1160.1uF/25VC7174.7uF/50VC21862Kohm/R2190.47uF/25V/C311022ohm/RG1,RG21110.1uF/50V/C4112IRF840LCQ1,Q2IR113680pF/2KVC611447nF/400VC51151N4148D5,D61163mH/EE19L1,L2XF0334-E19Xfmrs Ltd.1174700pF/1KVCR1,CR21180.1uF/274VacC101192.5mH/1AL51202*5mH/1AL61210.01uF/275VacC91220.5ohm/0.5WF1IR公司联系方法公司联系方法 Thank YouInternational RectifierLighting Team
一周内完成T52x28W电子镇流器设计
