ACIM BLDC SizeWeight 100 5570 Typical Efficiency 4550

电机能效法规 ACIM BLDC Size/Weight 100% 55%~70% Typical Efficiency 45%~50% 70%~75% Speed Control Difficult Easy & Linear Torque Control Poor Controllable Accuracy of Speed 3~5% 0. 5% IEC-60034 Motor Efficiency Standard Stage 2 Stage 1 European Union Market Stage 1: 2015/1/1, for Pout=7. 5 k. W~375 k. W the efficiency should meet IE 3 Stage 2: 2017/1/1, Pout=0. 75 k. W~375 k. W the efficiency should meet IE 3 3 CONFIDENTIAL

三相直流无刷电机驱动系统 Power Converter RT 7300 600 V power device CRM PFC RT 8409 Standby Power RT 7075 Two-in-one 3 -Phase Gate Driver Sensorless RT 7075 LQFP 7 x 7 -48 RT 7100 Motor Controller RT 7053 RT 7100 RT 7053 All-in-one TSSOP-28 WQFN 13 x 13 -38 CONFIDENTIAL 5

三相电机控制器—RT 7100 • • ARM Cortex M 0 (60 MHz) + Control Blocks Control algorithm: Sensorless (or 1 Hall element) Sine-wave FOC Embedded motor control library UL IEC-60730 certificated (No. E 478780) (60 MHz) RT 7100 TSSOP-28 CONFIDENTIAL 6

无感测磁场导向控制 Current-Torque Loop Speed Control Loop (SMO, PLL. . . ) 8 CONFIDENTIAL

电机控制机制比较 Torque-speed Curve Kgcm Open loop FOC RPM Advantages of FOC: • FOC is current close loop control for more safe operation • Phase angle automatically compensated for different load curve CONFIDENTIAL 9

RT 7100启��流波形电流閉环路控制 IU-Phase Link Sensorless FOC FG Ramp Adjustable 200 m. A/div Adjustable ramp-up acceleration 11 CONFIDENTIAL

UL IEC-60730安规认证 IEC-60730 Library Risk of fire System FMEA System safety check (OC, OT) Micro-electronics check (PC, ADC, registers…etc. ) 电机驱动固件过IEC-60730认证所具优势： Ø Ø 确保电机控制软件的安全性缩短认证申请时间减少认证申请费用提供客户安全保证 CONFIDENTIAL 12

低转速时的相电流波形方案 A RT 7100 waveform distortion still sine-wave 方案 B waveform distortion 高性能正弦算法使电机运转更加平顺，噪音更小, 抖动更小。电机轴承承受的抖动压力更小，整机寿命更长。 * These waveforms were measured at low speed (150 RPM) with the same pedestal fan. CONFIDENTIAL 13

600 V二合一方案—RT 7075 Integrate MCM Motor controller & Gate driver Motor controller 1 Gate driver 1 RM 02 N 60 LQFP 7 x 7 -48 Motor Control LIB IEC 60730 LIB Sensor-less FOC Micro Electronic Check Startup Strategy Over Current Check Current Control Lock Rotor Check Speed Control UL IEC-60730 certificated (No. E 478780) RT 7075 CONFIDENTIAL 14

三相直流无刷电机驱动产品 Solution Product no. 3 phase motor controller RT 7100 -G 2 YYY RT 7100 -U 2 YYY RT 7075 -G 2 YYY RT 7075 -U 2 YYY 3 phase motor controller + gate driver RT 7076 -G 2 YYY RT 7076 -U 2 YYY Max Rating 5 V LDO Bootstrap diodes Package Status* TSSOP-28 -- External MP LQFP 7 x 7 -48 600 V External MP LQFP 7 x 7 -48 250 V Built in MP (two-in-one) RT 7079 -G 2 YYY RT 7079 -U 2 YYY LQFP 7 x 7 -48 60 V Built in * MP: Mass production ; DVP: Developing Built in DVP 15 CONFIDENTIAL

600 V三合一方案—RT 7053 Motor controller 1 3 phases gate driver 1 Bootstrap diodes 3 600 V IGBT 6 RT 7053 WQFN 13 x 13 -38 (for Pout<30 W application) 16 CONFIDENTIAL

开发具—电机调适板支持 AC/DC Board Motor tuning EVB Communication Kit Ke Board Programming Kit 17

开发具—软件支持 Adaptive Motor Control Development System • Complete motor control library • Startup strategy • Debug support • Firmware example ü Lower design complexity ü Shorten motor tuning process ü Reduce development cycle 18

生产具支持 IC Firmware (F/W) Programming Support & Service • On-line Isolated programming kit • Off- line programming kit • IC F/W re-programmable for assembled motors • IC F/W programmable for mass production On-line Isolated programming kit Off-line programming kit F/W re-programming through VSP & FG pins 19

整体解决方案智能家电物联网整解决方案 Wi-Fi & Bluetooth So. C (MTK) • Low power consumption • High performance • Security BLDC Driver Solution (RT) • Communication Interface • Standby power saving • Power management 20

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