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User Guide                 

www.Infineon.com/iMotion

  

4 of 43 

www.Infineon.com/SOI

                                Revision 1.0 

 

 

2020-5-22 

 

UG2020-11 REF-Vacuum-C101-2ED User Guide

  

Infineon Technologies reserves the right to modify this document and/or any information 
provided herein at any time without further notice. 

Содержание REF-Vacuum-C101-2ED

Страница 1: ...rter kit features and demonstrates Infineon s thin film SOI technology and advanced motion control engine MCE 2 0 technology for low voltage permanent magnet motors drive up to 120 kRPM speed and inverter section up to a rating of 30 V and 25 A It is optimized for major low voltage home appliances like vacuums fans pumps compressors and other low voltage motor drive applications Intended audience ...

Страница 2: ...e on VS pin VS 14 5 Getting started with REF Vacuum C101 2ED 16 6 Hardware description of REF Vacuum C101 2ED 22 6 1 Inverter section 22 6 1 1 DC bus sensing and MCEWizard configuration 24 6 1 2 External op amp configuration and calculation for current feedback 25 6 1 3 Configuration and calculation for direct current sensing 26 6 1 4 Inverter overcurrent protection and motor gatekill configuratio...

Страница 3: ... Reference Boards will be handled in a way which is compliant with the relevant requirements and standards of the country in which they are operated The Reference Boards as well as the information provided in this document are addressed only to qualified and skilled technical staff for laboratory usage and shall be used and managed according to the terms and conditions set forth in this document a...

Страница 4: ...on 4 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide Infineon Technologies reserves the right to modify this document and or any information provided herein at any time without further notice ...

Страница 5: ...nce board contains parts and assemblies sensitive to Electrostatic Discharge ESD Electrostatic control precautions are required when installing testing servicing or repairing the assembly Component damage may result if ESD control procedures are not followed If you are not familiar with electrostatic control procedures refer to the applicable ESD protection handbooks and guidelines Caution A drive...

Страница 6: ...p diode This reference design includes Gate driver IC for MOSFET Anti reverse connection protection 12 V 3 3 V auxiliary power supply VSP speed command potentiometer Over temperature and overcurrent protection Turnkey version sensor less sensor FOC control M 3 phase inverter Anti reverse connection protection Isolated USB to UART Cable 2ED SOI Gate driver Power supply IMC101T 12V 3 3V PWM VDC Anal...

Страница 7: ...olution for sensorless and Hall sensor motor drives Field oriented control FOC for permanent magnet synchronous motor PMSM BLDC Optional support for Hall sensors analog or digital Space vector PWM with sinusoidal commutation and integrated protection features Current sensing via single shunt or leg shunt Integrated analog comparators for overcurrent protection Integrated scripting engine for appli...

Страница 8: ...nds on motor control performance and Wizard calculation motor poles and R L IMC101T s firmware scaling limit is 2 kHz Current feedback Inverter current sensing resistor RS1 2 mΩ Can adjust to 5 10 mΩ for lower current motor application with external OPA Or above 20 mΩ shunt resistor for directly ADC sample without external OPA Protections Output current trip level 80 Apeak 1 Wizard setup for OC tr...

Страница 9: ...igure 2 Functional groups of the REF Vacuum C101 2ED reference design s top side 2 1 8 7 9 1 24 V DC input connector 2 iMOTIONTM link connector UART 0 UART1 3 DIR Duty Freq PWM input connector 4 Hall sensor input 5 VSP speed potentiometer 6 UVW motor phase connector 7 Zener diode can be adjusted for non 24 V PS 8 Auxiliary power supply 9 Reserved for power dip ride through sense 10 On board coolin...

Страница 10: ...nal groups of the bottom side of REF Vacuum C101 2ED reference design 3 2 Connector pin assignment General information about the connectors of the REF Vacuum C101 2ED reference design is reported in this section Table 3 includes the details of the DC input connector Table 3 DC input connector Pin Details J6 B DC 24 V input J9 B DC 24 V ground 11 12 11 UVW inverter MOSFET 12 Anti reverse connection...

Страница 11: ...W output connector Table 5 Motor side connector S No Pin Details J10 U Connected to motor phase U J11 V Connected to motor phase V J12 W Connected to motor phase W Table 6 provides the pin assignments of digital Hall interface connector J5 Table 6 J5 HALL connector to motor Pin Name Pin name connectors 1 GND Ground 2 Reserved for analog Hall input AHall2 3 DHAL3 Digital Hall input3 4 DHAL2 Digital...

Страница 12: ... the control PWM signal from the low voltage control side to the high voltage portion of the gate driver the high voltage well and provides additional performance and reliability with reduced leakage currents and increased latch up immunity It also enables higher switching frequencies above 100 kHz Some key parameters of 2ED2304 compared with IRS2304 are shown in Table 8 Table 8 IRS2304S Vs 2ED230...

Страница 13: ... 4 Block diagram of 2ED2304 The Schmitt trigger logic inputs are compatible with standard CMOS or LSTTL logic down to 3 3 V The output drivers feature a high pulse current buffer stage designed for minimum driver cross conduction The floating channel can be used to drive an N channel power MOSFET or IGBT in the high side configuration which operates up to 650 V Additionally the offline clamping fu...

Страница 14: ...ns typical and dead time matching time 10 ns typical dV dt immune 50 V 10 ns typical 60 ns max propagation delay matching Gate drive supply range from 10 V to 20 V Undervoltage lockout for both channels RoHS compliant 3 3 V 5 V and 15 V input logic compatible 4 3 Tolerant to negative transient voltage on VS pin VS A common problem in today s power switching converters is the transient response of ...

Страница 15: ...gative transient voltage can exceed this range during some events such as short circuit and overcurrent shutdown when di dt is greater than in normal operation 2ED2304S06F has been designed for the robustness required in many of today s demanding applications An indication of the robustness of 2ED2304S06F can be seen in Figure 7 where the 2ED2304S06F safe operating area SOA is shown at VBS 15 V ba...

Страница 16: ...hese tools are available for download via the Infineon website https www infineon com cms cn product power motor control ics digital motor controller imotion imc101t t038 tools Please visit this page periodically to check for tool software updates iMOTIONTM Link or third party isolated USB to UART cable is needed to bridge the PC debugger side and motor drive system the target iMOTION device hot s...

Страница 17: ...User Guide www Infineon com iMotion 17 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide Figure 9 MCEWizard welcome page and MCEDesigner ...

Страница 18: ...into your project directory by clicking Export to Designer file txt Figure 10 if an error is detected double click on the error message highlighted in RED and adjust the related parameter Saved drive system parameter file will be later used by the MCEDesigner in step 9 Please refer to MCEWizard_V2 3 0 0 User Guide pdf for more details which is in MCE Wizard s install path Figure 10 MCEWizard Verif...

Страница 19: ...e click Tools Programmer and select Program Firmware and Parameters shown as Figure 12 below The encrypted firmware is available in IMC101T MCE Software Package regarding the parameters file browse and select the txt file in step 3 If blank IMC101T IC MCE Designer will pop up information Target device firmware and parameter files are not programmed Program the MCE firmware and system parameters in...

Страница 20: ...meters are correctly configured If PCB layout and DC bus decouple have been done correctly After VF Diagnostic is done click STOP button the red traffic light button to stop PWM Figure 13 Trace waveform for Iu Iv open loop diagnostic 11 Start the motor by clicking the green traffic light button in the control bar or double click Start Motor sub function in Motor1 page group of User Application Fun...

Страница 21: ...are has been programmed in case a new parameters file has to be programmed follow the same instructions given in step 9 In this case firmware programming is no longer needed and it is possible to select the first option Program Parameters Note For detailed information on controller programming refer to AN2018 33 iMOTION 2 0 Device Programming MCEDesigner documentation and MCEWizard documentation ...

Страница 22: ... design a basis for development or modification all necessary technical data like schematics layout and components are included in this chapter 6 1 Inverter section The inverter section is implemented using 2ED2304S06F plus BSC030N04NS as sketched in Figure 15 2ED2304S06F driver ability is source current 0 36 A and sink current 0 7 A R7 R11 is the gate resistor to control the U phase MOSFET s ON t...

Страница 23: ...User Guide www Infineon com iMotion 23 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide Figure 16 ON time test waveform Figure 17 OFF time test waveform ...

Страница 24: ...er supply and 0 55 V for 5 V power supply by replacing U2 to 5V LDO Figure 18 DC bus sense resistor on REF Vacuum C101 2ED reference design For a wider DC sensing range R12 can be adjusted to a higher value the hardware changes should be configured in MCEWizard as shown in Figure 19 Figure 19 DC bus sensing configuration in MCEWizard The Vdc sensing low pass filter time constant is R12 R15 C17 100...

Страница 25: ...if 3X internal gain is selected and 0 550 mV if 6X internal gain is selected 0 275 mV if 12X internal gain is selected Figure 21 Current feedback with external op amp Figure 21 shows the external amplifier gain circuit in REF Vacuum C101 2ED reference design which is a typical differential amplifier with input low pass filter and operational bias C4 R30 R31 R10 R18 build the input differential mod...

Страница 26: ...ted 3000 mV range for motoring mode current sensing 3300 mV 300 mV 3000 mV For a better system signal to noise ratio SNR 6X and 12X internal AD gain is not recommended when there is an external amplifier And even for direct AD sensing mode without external op amp whether 12X 6X internal gain is acceptable or not depends on the ground noise level or the final motor control performance Figure 22 Cur...

Страница 27: ...trol performance For example to achieve sufficiently high SNR motor current sensing counts need be over 30 50 of AD range traced Iu peak over 600 cts 1000 cts at rate motor current and PCB ground noise lower than 5 of total sampled signal in MCEDesigner trace result There is NO common mode noise rejection ability compared to external op amp sample mode Directly AD current sensing mode needs to dea...

Страница 28: ... mΩ shunt resistors 𝐷𝑒𝑟𝑎𝑡𝑖𝑛𝑔 𝑓𝑜𝑟 50mΩ 𝐼𝑟𝑚𝑠 2 𝑅𝑆𝐻 𝑅𝑎𝑡𝑒 𝑝𝑜𝑤𝑒𝑟 3𝐴 3𝐴 50𝑚Ω 1𝑊 0 45 𝐷𝑒𝑟𝑎𝑡𝑖𝑛𝑔 𝑓𝑜𝑟 75mΩ 𝐼𝑟𝑚𝑠 2 𝑅𝑆𝐻 𝑅𝑎𝑡𝑒 𝑝𝑜𝑤𝑒𝑟 3𝐴 3𝐴 75𝑚Ω 1𝑊 0 675 The 50 mΩ shunt resistor has a higher power margin and 75 mΩ has better SNR Since the power derating is highly related to the real thermal resistance of the PCB we can test both 50 mΩ and 75 mΩ shunt resistors and decide which one is better on the tradeoff of S...

Страница 29: ...Motion 29 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide C Offset of the external op amp or RC divider Figure 24 Overcurrent protection circuit on the REF Vacuum C101 2ED reference design ...

Страница 30: ...ultra low impedance motors of which peak saw tooth current would trigger unwanted overcurrent fault 6 2 NTC thermistor characteristics and overheat protection calculation IMC101T s firmware has overheat protection Pin7 is the dedicated input of NTC temperature sensing An external NTC thermistor is attached on the copper near Q7 RS1 where is the hottest point on the board To activate over temperatu...

Страница 31: ... 6 2 1 External NTC thermistor characteristics The NXFT5WF104 thermistor s B constant is 4250 typical resistance and output of temperature sensing voltage listed in Table 9 Table 9 NTC Thermistor Characteristics Temperature Resistance kOhm Vout mV 25 100 3000 50 33 195 2536 60 22 224 2276 70 15 184 1990 80 10 566 1695 90 7 481 1412 100 5 384 1155 110 3 934 932 120 2 916 745 B 25 100 4250 ...

Страница 32: ...in Figure 27 Figure 27 NTC circuit and output voltage curve External NTC temperature shutdown value can be calculated as shown below and configured in MCEWizard as shown in Figure 28 MCEWizard default setup is 1 1 V which sets the shutdown temperature to about 100 C Figure 28 NTC shutdown temperature setup in MCEWizard 0 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 0 20 40 60 80 1...

Страница 33: ...put voltage of 78M12 needs to be double checked to make sure 2ED2304S06F can respond to PWM command correctly ZD2 ZD3 are used to reduce power consumption on 78M12 For higher DC voltage input higher voltage Zener diodes might be needed to make sure 78M12 will not over heat And for 12 V or 3S 4S Li battery applications please short ZD2 ZD3 or bypass U1 directly Both 12 V and 3 3 V power supplies ca...

Страница 34: ...User Guide www Infineon com iMotion 34 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide Figure 30 Schematics for REF Vacuum C101 2ED ...

Страница 35: ...and dimensions of 115 mm 60 mm For applications that do not require cooling fans the size can be 63 5mm x 60mm if the right hand section of the PCB is removed The thickness of the PCB board is 1 6 mm Contact our technical support team for more detailed information and the latest Gerber files Figure 31 illustrates the top assembly print of the reference design Figure 31 Top assembly print of the RE...

Страница 36: ...020 11 REF Vacuum C101 2ED User Guide Figure 32 depicts the bottom assembly print of the reference design Figure 32 Bottom assembly print of the REF Vacuum C101 2ED reference design The top layer routing of the PCB is provided in Figure 33 Figure 33 Top layer routing of the REF Vacuum C101 2ED ...

Страница 37: ...n com iMotion 37 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide Figure 34 illustrates the bottom layer routing of the PCB Figure 34 Bottom layer routing of the REF Vacuum C101 2ED ...

Страница 38: ...following conditions tamb 25 C Vdc 24 V different phase current values until the MOS case reaches 105 C four PWM frequencies 22 45 65 and 80 kHz tested 3 phase modulation mode only since switching loss is no longer a major issue for low voltage motor drive application and 2 phase modulation is normally not needed Figure 35 REF Vacuum C101 2ED thermal characterization tamb 25 C different phase curr...

Страница 39: ...BB103 7 1 CAP CER 1μF 10 50V X5R 0805 C21 CC0805KKX5R9BB105 8 4 CAP CER 4 7nF 25V X5R 0603 C34 C35 C36 C39 CC0201KRX5R8BB472 9 6 1N4148 Diode D1 D2 D3 D4 D5 D6 1N4148 10 3 4Pin 1 25mm Male Vertical Shrouded Header J1 J3 J8 653004114822 Wurth Elektronik 11 1 iMOTIONTM_LINK Connector CON4 2 J2 Wurth Elektronik 12 1 3 Pin 2 54mm for jumper J4 Jumper Wurth Elektronik 13 1 HALL Connector 6 Pin 2 54mm H...

Страница 40: ...R42 R43 R44 AR0603JR 072KL 29 1 RES SMD 20 kOhm 1 1 10W 0603 R19 AR0603FR 0720KL 30 2 RES SMD 100 Ohm 5 1 10W 0603 R20 R24 AR0603JR 07100RL 31 1 RES SMD 0 Ohm 5 1 10W 0603 R32 AR0603JR 070RL 32 1 2 mOhm 3W 2512 Shunt Resistor RS1 BVT I R002 Isabellen 33 1 78M12 12V Voltage Regulator U1 L78M12CDT TR 34 1 3 3V 1A Voltage Regulator U2 IFX1117ME V33 Infineon 35 3 2ED2304 0 36A 0 7A 650V Gate Driver U3...

Страница 41: ... the datasheets and documents for OptiMOSTM are available at www infineon com OptiMos All the iMOTIONTM IC s Datasheets and documents are available at www Infineon com iMotion All the Datasheets and documents for SOI gate drivers are available at www Infineon com SOI Attention Infineon s product registration is now done online You can register your board and download further information There are ...

Страница 42: ...User Guide www Infineon com iMotion 42 of 43 www Infineon com SOI Revision 1 0 2020 5 22 UG2020 11 REF Vacuum C101 2ED User Guide ...

Страница 43: ...ery terms and conditions and prices please contact your nearest Infineon Technologies office www infineon com WARNINGS Duetotechnicalrequirementsproductsmaycontain dangerous substances For information on the types in question please contact your nearest Infineon Technologies office Except as otherwise explicitly approved by Infineon Technologies in a written document signed by authorized represent...

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