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UG-2022-02
REF-MHA0K2IM2ZPSOC4 user guide
Reference board with PSoC4 for rotary fridge compressor drive
About this document
Scope and purpose
This user manual provides an overview of the REF-MHA0K2IM2ZPSOC4 refererence board including its main
features, key data, pin assignments and mechanical dimensions.
The REF-MHA0K2IM2ZPSOC4 is a reference board that supports the design of rotary fridge compressor drives. It
includes the PSoC 4100S MCU, which provides the needed flexibility for developing motor control solutions,
and the IM241-L6S1B CIPOS™ Micro, a 600 V, 6 A three-phase intelligent power module, which enables high
integration with a space-saving design. Also included is a voltage regulator with TLE4294G V50 LDO for the
required auxiliary supply .
Intended audience
This user manual is intended for all technical specialists who are familiar with motor control and high-power
electronics converters, and have experience in developing hardware and motor control software for rotary
fridge compressors. This board is intended to be used under laboratory conditions.
Reference board/kit
Product(s) embedded on a PCB with a focus on specific applications and defined use cases that may include
software. PCB and auxiliary circuits are optimized for the requirements of the target application.
Note:
Boards do not necessarily meet safety, EMI, quality standards (for example UL, CE) requirements.
User guide
Please read the Important notice and the Safety precautions and the Warnings
Revision 2.0
www.infineon.com
page 1 of 28
2022-09-30
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Summary of Contents for Infineon REF-MHA0K2IM2ZPSOC4
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Page 1: About This Document
This user manual provides an overview of the REF-MHA0K2IM2ZPSOC4 refererence board including its main features, key data, pin assignments and mechanical dimensions. The REF-MHA0K2IM2ZPSOC4 is a reference board that supports the design of rotary fridge compressor drives. It includes the PSoC 4100S MCU, which provides the needed flexibility for developing motor control solutions, and the IM241-L6S1B CIPOS™... -
Page 2: Important Notice
Boards provided by Infineon Technologies. The design of the Evaluation Boards and Reference Boards has been tested by Infineon Technologies only as described in this document. The design is not qualified in terms of safety requirements, manufacturing and operation over the entire operating temperature range or lifetime. -
Page 3: Safety Precautions
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board Safety precautions Safety precautions Note: Please note the following warnings regarding the hazards associated with development systems. Safety precautions Table 1 Warning: The DC link potential of this board is up to 400 VDC. When measuring voltage waveforms by oscilloscope, high voltage differential probes must be used. -
Page 4: Table Of Contents
REF-MHA1KIM5PSOC4 User Manual PSoC® 4 Rotary fridge compressor drive reference board Table of contents Table of contents About this document ........................1 Important notice ..........................2 Safety precautions .......................... 3 Table of contents ..........................4 The board at a glance ......................5 Scope of supply ............................ -
Page 5: The Board At A Glance
REF-MHA1KIM5PSOC4 The board at a glance The REF-MHA0K2IM2ZPSOC4 is a reference board that supports the design of rotary fridge compressor drives. It includes the PSoC 4100S MCU, which provides the needed flexibility for developing motor control solutions, and the IM241-L6S1B CIPOS™... - Page 6 REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board The board at a glance ardware description of REF-MHA1KIM5PSOC4 Input voltage 160~265 V • Maximum 200 W motor power output • Onboard EMI filter • Single-shunt current sensing •...
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Page 7: Board Parameter And Technical Data
• Isolation 2000VRMS, 1min • HV H3TRB qualified • UL-certified • Board parameter and technical data Table 3 shows the board parameters and technical data of REF-MHA0K2IM2ZPSOC4. REF-MHA0K2IM2ZPSOC4 board specifications Table 3 Parameters Values Conditions / comments Input Voltage 160 ~265 V... - Page 8 REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board The board at a glance ardware description of REF-MHA1KIM5PSOC4 Parameters Values Conditions / comments PCB characteristics FR4, 1.6 mm thickness, 2 Material layers. 35 µm copper thickness Dimensions 78 mm x 78 mm...
- Page 9 PSoC® 4 Rotary fridge compressor drive reference board The board at a glance ardware description of REF-MHA1KIM5PSOC4 Figure 2 Functional groups of the REF-MHA0K2IM2ZPSOC4 reference board AC input connector Speed control port by PWM frequency Motor phase connector Rectifier bridge...
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Page 10: System And Functional Desciption
System and functional desciption ardware description of REF-MHA1KIM5PSOC4 System and functional desciption This chapter describes the development environment. Please note that the firmware for getting started is available on request through an Infineon sales representative. Hardware environment Table 4 System... -
Page 11: Getting Started
PSoC® 4 Rotary fridge compressor drive reference board System and functional desciption ardware description of REF-MHA1KIM5PSOC4 Getting started Figure 3 shows the system connection of REF-MHA0K2IM2ZPSOC4. Figure 3 Connectors of the REF-MHA0K2IM2ZPSOC4 reference board In order to get started with the board, the following steps are required:... -
Page 12: Main Features
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System and functional desciption ardware description of REF-MHA1KIM5PSOC4 Clarke Park Sqref Sqref Sαref α ,β 3-Phase SVPWM Inverter α ,β a,b,c Sdref Sβref Sdref α ,β Sα α ,β... -
Page 13: System Design
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 System design Schematics 3.1.1 MCU section using PSoC 4100S Figure 5 shows the schematic diagram of this chip. A VDD Power Supply C1 1uF 4.7uH... -
Page 14: Inverter Section Using Im241-L6S1B Cipos™ Micro
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 Pin 37 (VCCD) should be connected with a 1 µF capacitor. For the minimum application system, please refer to the schematic diagram in Figure 5. -
Page 15: Dc Bus Voltage Sampling Section
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 3.1.3 DC bus voltage sampling section Figure 7 shows the detailed schematic diagram of the DC bus sense circuit. DCP is the net label of DC bus voltage, and Vdc_ADC is the net label that is connected with the MCU. -
Page 16: Inverter Overcurrent Protection Section With Internal Comparator
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 3.1.5 Inverter overcurrent protection section with internal comparator Figure 9 depicts the schematic diagram of the inverter overcurrent protection circuit using an internal comparator. -
Page 17: Frequency Signal Interface
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 There are two-branch current protection circuits, which can be selected by R32/R33. The default setting directly connects to the shunt resistor; the other branch is protected by the comparator located inside the PSoC IC. -
Page 18: Emi Filter And Ac-Dc Conversion
3.1.9 Auxiliary power supply Figure 14 depicts the schematic diagram of the auxiliary power supply available on the REF-MHA0K2IM2ZPSOC4 reference board. The circuit includes LNK3204D, which is used to generate 15 V directly from the DC bus voltage that is connected to the gate driver inside the IPM. -
Page 19: Pcb Layout
The board is designed in two layers, and its dimensions are 78 mm × 78 mm, manufactured with 1 oz. (35 µm) copper thickness. The project is designed with Altium Designer, and all design files can be downloaded after logging into your account on the Infineon website. Figure 15 illustrates the top assembly print of the board. -
Page 20: Bill Of Material (Bom)
Bottom view of the board Bill of material (BOM) Table 7 provides the key components for the REF-MHA0K2IM2ZPSOC4. The complete bill of material is available on the download section of the Infineon homepage. A log-in is required to download this material. - Page 21 REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System design ardware description of REF-MHA1KIM5PSOC4 Ref designator Description Manufacturer Manufacturer P/N 12.50mm C X 0.60mm W 15.00mm L X 10.00mm T X 16.50mm H / - / - CAP / CERA / 10µF /...
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Page 22: System Performance
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System performance ardware description of REF-MHA1KIM5PSOC4 System performance Running waveform Figure 17 shows the start-up waveforms of a compressor in a refrigerator system, illustrating the start-up characteristics of the solution: Direct closed-loop start-up. -
Page 23: Thermal Characterization
Waveform of fridge at minimun speed 1200 r Figure 20 Waveform of fridge at maximum speed 4500 r Thermal characterization Figure 21and Figure 22 show the thermal characterizations of REF-MHA0K2IM2ZPSOC4, based on FR4 PCB with 1 oz. copper. User guide 23 of 28 Revision 2.0... - Page 24 IGBT’s case temperature reaches 100°C. A 3-phase, pulse-width modulation strategy has been used with a carrier frequency of 5 kHz. Figure 21 REF-MHA0K2IM2ZPSOC4 thermal characterization case temperature – input power, t 25° C, PWM = 5 kHz Input power and current characterization (PF = 0.64)
- Page 25 REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board System performance ardware description of REF-MHA1KIM5PSOC4 Figure 22 REF-MHA0K2IM2ZPSOC4 thermal characterization, case temperature - motor phase current, t = 25° C, PWM = 5 kHz User guide 25 of 28 Revision 2.0...
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Page 26: Appendices
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board Appendices ardware description of REF-MHA1KIM5PSOC4 Appendices Abbreviations and definitions Abbreviations Table 9 Abbreviation Meaning BLDC Brushless direct current motor CIPOS Control-integrated power system Field-oriented control Intelligent power module Underwriters’ Laboratories... -
Page 27: Revision History
REF-MHA0K2IM2ZPSOC4 user guide PSoC® 4 Rotary fridge compressor drive reference board Appendices ardware description of REF-MHA1KIM5PSOC4 Revision history Document Date of release Description of changes version Revision 1.0 2022-02-14 Initial version Revision 2.0 2022-09-30 Update IM231-L6S1B with IM241-L6S1B Add thermal performance (Chapter 4.2) - Page 28 WARNINGS 81726 Munich, Germany Due to technical requirements products may contain dangerous substances. For information on the types in question please contact your nearest Infineon © 2022 Infineon Technologies AG. Technologies office. All Rights Reserved. Except as otherwise explicitly approved by Infineon...