Infineon EVAL-M1-IM231-A User Manual

AN2018

-36 EVAL-M1-IM231-A User Manual

EVAL-M1-IM231-A User Manual

iMOTION™ Modular Application Design Kit

About this document

Scope and purpose

This application note provides an overview of the evaluation-board EVAL-M1-IM231-A including its main
features, key data, pin assignments and mechanical dimensions.

The EVAL-M1-IM231-A board is a complete evaluation-board including IM231-L6-series 3-phase intelligent
power modules (IPM) are designed for high-efficiency appliance motor drives such as air-conditioner fans and
refrigerator compressors. In combination with either EVAL-M1-101T or EVAL-M1-099M it features and
demonstrates Infineon’s CIPOS™ Micro IPM technology for motor drive.

The evaluation board EVAL-M1-IM231-A for intelligent power modules (IPM) was developed to support
customers during their first steps designing applications with CIPOS™ Micro power modules.

Intended audience

This application note is intended for all technical specialists working with the EVAL-M1-IM231-A board.

Important notice

Attention: The Evaluation Boards and Reference Boards as well as the information in this document are

solely intended to support designers of applications in evaluating the use of products from
Infineon Technologies for their intended applications.

Environmental conditions have been considered in the design of the Evaluation Boards and
Reference 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.

The Evaluation Boards and Reference Boards provided by Infineon Technologies are subject
to functional testing only under typical load conditions. Evaluation Boards and Reference
Boards are not subject to the same procedures as regular products regarding returned
material analysis (RMA), process change notification (PCN) and product discontinuation (PD).

User Manual Please read the Important Notice and Warnings at the end of this document Revision 1.1

www.infineon.com 1 2020-07-09

Evaluation Boards and Reference Boards are not commercialized products, and are solely
intended for evaluation and testing purposes. In particular, they shall not be used for
reliability testing or production. The Evaluation Boards and Reference Boards may therefore
not comply with CE or similar standards (including but not limited to the EMC Directive
2004/EC/108 and the EMC Act) and may not fulfill other requirements of the country in which
they are operated by the customer. The customer shall ensure that all Evaluation Boards and
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 Evaluation Boards and Reference Boards as well as the information provided in this

EVAL-M1-IM231-A User Manual

iMOTION™ Modular Application Design Kit

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 and in other related documentation supplied with the respective Evaluation Board
or Reference Board.

It is the responsibility of the customer’s technical departments to evaluate the suitability of
the Evaluation Boards and Reference Boards for the intended application, and to evaluate
the completeness and correctness of the information provided in this document with respect
to such application.

The customer accepts that the Evaluation Boards and Reference Boards are not intended to
be used in life-endangering applications such as medical, nuclear, military, life-critical or
other applications, where failure of the Evaluation Boards and Reference Boards, or any
results from the use thereof, can reasonably be expected to result in personal injury.

The Evaluation Boards and Reference Boards and any information in this document is
provided "as is" and Infineon Technologies disclaims any warranties, express or implied,
including but not limited to warranties of non-infringement of third party rights and implied
warranties of fitness for any purpose, or for merchantability.

Infineon Technologies shall not be responsible for any damages resulting from the use of the
Evaluation Boards and Reference Boards and/or from any information provided in this
document. The customer is obliged to defend, indemnify and hold Infineon Technologies
harmless from and against any claims or damages arising out of or resulting from any use
thereof.

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

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Safety precautions

Please note the following warnings regarding the hazards associated with development systems.

Table 1 Safety precautions

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.
Failure to do so may result in personal injury or death.

Warning: The evaluation or reference board contains DC bus capacitors which take
time to discharge after removal of the main supply. Before working on the drive
system, wait five minutes for capacitors to discharge to safe voltage levels. Failure to
do so may result in personal injury or death. Darkened display LEDs are not an
indication that capacitors have discharged to safe voltage levels.

Warning: The evaluation or reference board is connected to the grid input during
testing. Hence, high-voltage differential probes must be used when measuring voltage
waveforms by oscilloscope. Failure to do so may result in personal injury or death.
Darkened display LEDs are not an indication that capacitors have discharged to safe
voltage levels.

Warning: Remove or disconnect power from the drive before you disconnect or
reconnect wires, or perform maintenance work. Wait five minutes after removing
power to discharge the bus capacitors. Do not attempt to service the drive until the bus
capacitors have discharged to zero. Failure to do so may result in personal injury or
death.

Caution: The heat sink and device surfaces of the evaluation or reference board may
become hot during testing. Hence, necessary precautions are required while handling
the board. Failure to comply may cause injury.

Caution: Only personnel familiar with the drive, power electronics and associated
machinery should plan, install, commission and subsequently service the system.
Failure to comply may result in personal injury and/or equipment damage.

Caution: The evaluation or reference 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 that is incorrectly applied or installed can lead to component damage
or reduction in product lifetime. Wiring or application errors such as undersizing the
motor, supplying an incorrect or inadequate AC supply, or excessive ambient
temperatures may result in system malfunction.

Caution: The evaluation or reference board is shipped with packing materials that
need to be removed prior to installation. Failure to remove all packing materials that
are unnecessary for system installation may result in overheating or abnormal
operating conditions.

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Introduction

Table of Contents

About this document ....................................................................................................................... 1

Important notice ............................................................................................................................ 1

Safety precautions .......................................................................................................................... 3

Table of Contents ........................................................................................................................... 4

1 Introduction .................................................................................................................. 5

2 Main features ................................................................................................................ 6

2.1 EVAL-M1-IM231-A board specifications .................................................................................................. 7

3 Pin assignments ............................................................................................................ 9

4 Getting started with EVAL-M1-IM231-A ............................................................................ 11

4.1 Setting up the system............................................................................................................................ 11

4.2 iMOTION™ development tools and software ....................................................................................... 13

4.2.1 MCEWizard setup overview .............................................................................................................. 13

4.2.2 MCEDesigner setup overview .......................................................................................................... 15

5 Schematics and layout .................................................................................................. 17

5.1.1 DC bus sensing and MCEWizard configuration ............................................................................... 17

5.1.2 Motor external current feedback configuration and calculation ................................................... 18

5.1.3 Inverter overcurrent protection and motor Gatekill configuration ............................................... 20

5.2 EMI filter and rectifier circuit ................................................................................................................. 22

5.3 Inverter section using CIPOS™ Micro .................................................................................................... 23

5.4 Auxiliary power supply .......................................................................................................................... 24

5.5 Schematics for EVAL-M1-IM231-A ......................................................................................................... 25

5.6 Layout .................................................................................................................................................... 27

6 Bill of materials of EVAL-M1-IM231-A ............................................................................... 31

7 Reference .................................................................................................................... 34

Revision history............................................................................................................................. 35

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Introduction

1 Introduction

The EVAL-M1-IM231-A evaluation board is a part of the iMOTION™ modular application design kit for drives
(iMOTION™ MADK).

The MADK-platform is intended to use various power stages with different control boards. These boards can
easily be interfaced through the 20-pin iMOTION™ MADK-M1 interface connector.

This evaluation board is designed to give comprehensible solutions of a power stage based on the Infineon's
CIPOS™ Micro intelligent power module (IPM). The board is equipped with all assembly groups for sensor less
field oriented control (FOC). It provides a single-phase AC-connector, rectifier, DC-link and 3-phase output for
power. It contains emitter-shunts for current sensing and a voltage divider for DC-link voltage measurement.

The EVAL-M1-IM231-A evaluation board is available from Infineon. The features of this board are described in
the design feature chapter of this document, whereas the remaining paragraphs provide information to enable
the customers to copy, modify and qualify the design for production according to their own specific
requirements.

Environmental conditions were considered in the design of the EVAL-M1-IM231-A. The design was tested as
described in this document but not qualified regarding safety requirements or manufacturing and operation
over the whole operating temperature range or lifetime. The boards provided by Infineon are subject to
functional testing only.

Evaluation boards are not subject to the same procedures as regular products regarding returned material
analysis (RMA), process change notification (PCN) and product discontinuation (PD). Evaluation boards are
intended to be used under laboratory conditions by specialists only.

CIPOSTM IPM

15V

PWM

I

trip

VFO

TM

HVIC

Itrip

VFO

M

Line

Neutral

EMI Filter

& Soft

Power Up

Circuit

Power
Supply

PWM

15V & 3.3V

DCBsense

20 pin iMOTION

MADK-M1 connector

GK

Figure 1 The Block Diagram of the EVAL-M1-IM231-A Evaluation-board

Figure 1 shows the evaluation board EVAL-M1-IM231-A. Although this board is compatible with on surface
mount as well as through whole CIPOS™ Micro modules. This document explains the features and details of this
board in combination with CIPOS™ Micro IM231-L6S1B and IM231-L6T2B. The only difference between these
modules is the package type. IM231-L6S1B is SOP23 package. IM231-L6T2B is DIP23 package.

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Main features

2 Main features

EVAL-M1-IM231-A is a complete evaluation board including a 3-phase IPM for motor drive application. The kit
demonstrates Infineon’s IPM technology for motor drives.

Main features of CIPOS™ Micro intelligent power module IM231-L6S1B and IM231-L6T2B include:

 600 V 3-phase inverter including gate drivers & bootstrap function
 Low VCE(sat) TRENCHSTOP™ IGBT6
 Temperature monitor
 Accurate overcurrent shutdown (±5 %)
 Fault reporting and programmable fault clear
 Advanced input filter with shoot-through protection
 Optimized dv/dt for loss and EMI trade offs
 Open-emitter for single and leg-shunt current sensing
 3.3 V logic compatible
 Isolation 1900 VRMS, 1min


 The evaluation board characteristics are:
 Nominal input voltage 220 V
 Maximum 400 W motor power output
 On board EMI filter
 Current sensing for each phase configured by default
 Over current protection
 Sensing of DC-link voltage
 Thermistor output
 Fault diagnostic output
 Measurement test-points compatible to standard oscilloscope probes
 PCB is 100 x 100 mm and has two layers with 35 µm copper each
 RoHS compliant

AC

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Main features

Value

Conditions

2.1 EVAL-M1-IM231-A board specifications

Table 2 shows the important specifications of the evaluation board EVAL-M1-IM231-A.

Table 2 EVAL-M1-IM231-A board specifications

Parameters

Input

Voltage

Input current 1.8 A

165 - 265 V

rms

rms

Lower AC input, less motor power output

Input 220 VAC, Ta=25C, IM231

Output

Power (3 phases) 400 W Input 220 V

Current per leg 2.2 Arms Input 220 V

DC bus

Maximum DC bus voltage 400 V

Minimum DC bus voltage 120 V

Current feedback

100 mΩ The default configuration uses three shunts in

the emitter paths. To implement single shunt
sensing, the board should be modified as

Current sensing devices
RS3, RS4, RS5

follows:

1) RS3 and RS5 have to be removed

2) IU+,IV+,IW+ have to be connected

3) R35 has to be changed to 3.48 kΩ

Protections

Configured by either changing shunt resistors

Output current trip level 6.07 A

pk

RS3, RS4, RS5 or adapting comparator
threshold changing resistor R35

, f

=6 kHz, Ta=25°C, Th=70°C

AC

PWM

, f

=6 kHz, Ta=25°C, Tc=100°C

AC

PWM

On board power supply

15 V 15 V±5%, Max 20 mA Used for CIPOS™ Micro gate driver power

3.3 V 3.3 V±5%, Max 50 mA

Used for interface signals to the control board
and alarm signals as I

, FLT/EN

TRIP

PCB characteristics

FR4, 1.6 mm thickness,

Material

2-layers, 35 µm copper
thickness

Dimensions 100 mm x 100 mm

System environment

Ambient temperature 25°C NA

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Main features

Figure 2 and Figure 3 hint out the functional groups of the EVAL-M1-IM231-A evaluation board.

5

1. CIPOS™ Micro IPM and

4

Heatsink.

2. Motor phase connector
(J2)

3. J3-20 pin iMOTION™

6

MADK-M1 interface
connector for controller
board

4. AC line input connector
(J1)

3

1

2

5. EMI filter and rectifier
group

6. Auxiliary power supply

Figure 2 Functional groups of the EVAL-M1-IM231-A evaluation board’s top side

7. ICE5GR4780AG U2

8. Current sensing shunt

7

resistor RS3, RS4, RS5

8

Figure 3 Functional groups of the EVAL-M1-IM231-A evaluation board’s bottom side

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Pin assignments

3 Pin assignments

General information about the connectors of the EVAL-M1-IM231-A evaluation board is reported. Table 3
includes the details of the line connector J2-AC.

Table 3 J2- AC line connector

S. No. Pin Details

1 E Earth ground

2 N AC neutral input

3 L AC line input

Table 4 denotes the details of the motor side connector J2.

Table 4 J3- Motor side connector

S. No. Pin Details

1 U Connected to motor phase U

2 V Connected to motor phase V

3 W Connected to motor phase W

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Pin assignments

Table 5 provides the pin assignments of the M1 20-pin interface connector J4. This connector is the interface to
the controller board.

Table 5 J4 - 20 pin interface connector for controller board

Pin Name Connectors

1 PWMUH 3.3 V compatible logic input for high side gate driver-Phase U

2 GND Ground

3 PWMUL 3.3 V compatible logic input for low side gate driver-Phase U

4 GND Ground

5 PWMVH 3.3 V compatible logic input for high side gate driver-Phase V

6 +3.3 V On board 3.3 V supply

7 PWMVL 3.3 V compatible logic input for low side gate driver-Phase V

8 +3.3 V On board 3.3 V supply

9 PWMWH 3.3 V compatible logic input for high side gate driver-Phase W

10 IU+ Positive Current sense output

11 PWMWL 3.3 V compatible logic input for low side gate driver-Phase W

12 IU- Negative current sense output or Ground

13 GK Gate kill signal – active low when overcurrent is detected

14 DCBSENSE DC bus positive voltage, scaled in 0-3.3 V range by a voltage divider

15 VTH Thermistor Output

16 IV+ Positive Current sense output

17 IV- Negative current sense output or Ground

18 IW+ Positive Current sense output

19 IW- Negative current sense output or Ground

20 VCC 15 V Supply

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Getting star

ted with EVAL

-M1-

IM231

-

A

PC-USB

C

onnector

Motor

P

hase

O

utput

s

AC Power

I

nput

4 Getting started with EVAL-M1-IM231-A

In order to run the motor system, a combination of the iMOTION™ MADK power board EVAL-M1-IM231-A and the
matching MADK control board (with M1 connector, EVAL-M1-101T for example in this chapter) is required. The
iMOTION™ software tools MCEDesigner and MCEWizard are also required in order to initially setup the system,
as well as to control and fine-tune the system performance to match users exact needs. This chapter provides
more details on setting up the system and getting started with iMOTION™ MADK development platform.

4.1 Setting up the system

After downloading and installing the iMOTION™ PC tools (MCEWizard and MCEDesigner), following steps need
to be executed in order to run the motor. Refer to chapters 4.2.1 and 4.2.2 as well as MCEWizard and
MCEDesigner documentation for more information.

Figure 4 System connection example using EVAL-M1-101T and EVAL-M1-IM231-A

1. Get the latest ”IMC101T-T038 MCE Software Package” available on www.infineon.com/imotion-software
web page.

2. Connect PC-USB connector on the on-board-debugger to the PC via USB cable.

3. Connect EVAL-M1-101T’s M1 20-pin interface connector (J2) to power board (For example EVAL-M1-IM231-A,
see Figure 4).

4. Use MCEWizard to enter the target motor’s system and operating parameters, as well as evaluation board’s
hardware parameters, which will then be used to calculate controller’s digital parameter set representing
complete motor drive system. First click “Calculate” button on the “Verify & Save Page” and then save the
drive parameter set into your project directory by clicking “Export to Designer file (.txt)”. Saved drive system
parameter file will be later used by the MCEDesigner. Refer to chapter 4.2.1or MCEWizard user guide for
more details.

5. Connect motor phase outputs to the motor.

6. Connect AC power to power input connector and power on system.

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7. Start MCEDesigner tool and open MCEDesigner default configuration file (.irc) for IMC101T-T038 controller
(IMC101T_Vxxx.irc) by clicking “File” > “Open”. IMC101T_Vxxx.irc file is included in ”IMC101T-T038 MCE
Software Package” downloaded in step 1.

8. MCEDesigner should automatically connect to the EVAL-M1-101T control board using default COM port
(Indicated by green circle next to “COMx Up” status in the bottom frame of the MCEDesigner GUI). If it
cannot establish the connection, change COM port by doing following steps: (“System” window active) >
Preferences > Connection > Connect using (Chose one of the other available COM ports from the drop-down
menu).

9. Use following steps to program the system parameters into the internal SRAM of iMOTION™ IC: Click
“Tools” > “Programmer” and select “Program Parameters”. Browse and select the system drive
parameters .txt file created in step 4. See chapter MCEDesigner setup overview 4.2.2 for more details.

10. Start the motor by clicking the green traffic light button in the control bar.

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4.2 iMOTION™ development tools and software

The iMOTION™ development tool installers for MCEDesigner and MCEWizard are available for download via
Infineon iMOTION
variants are listed there. Please visit this page periodically to check for tool/software updates.

Isolated on-board debugger provides the USB to UART bridge between the PC and the target iMOTION™ device
with 1kV DC galvanic isolation between the motor drive system (hot side) and the PC/debugger (cold) side. On­board debugger uses the SEGGER J-Link driver for UART communication with IMC101T-T038. J-Link driver will
be installed during the MCEDesigner installation. In case the driver is not installed properly, please go to

SEGGER J-Link website to download and install the latest J-Link “Software and Documentation pack for

Windows”.

TM

website (http://www.infineon.com/imotion-software). All supported tools and software

4.2.1 MCEWizard setup overview

After installing the MCEWizard, the shortcut for MCEWizard appears on the Windows desktop. Double click the
shortcut to open the MCEWizard and configure the parameters for evaluation boards or motor. Figure 5 shows
the “Welcome Page” for MCEWizard, where the MADK control board or power board can be selected through
the pull-down list. Infineon keeps releasing new MADK controller and power boards. Therefore, it could happen
that some of the newest power boards are not pre-configured in the MCEWizard tool and cannot be selected
through the pull-down menu. In that case, the user should select any other power board (as similar as possible)
and follow the MCEWizard setup steps by entering the parameter values which are specific to the chosen board.
Make sure both “I have modified the circuit board” and “Enable advanced question” checkmarks are selected.
Please refer to the Application Note of the corresponding power board for additional information.

After selecting the MADK control and the power board, start the MCEWizard system setup procedure by clicking
the “Next” button in the right bottom corner as shown in Figure 5.

Figure 5 Welcome page of MCEWizard

iMOTION™ MADK system enables users to easily test different combination of control and power board with
their motors. User should be familiar with the system level parameters which are related to the motor used.
There is a very limited number of parameters which are specific to the control board or power board hardware.

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Table 6 provides the MCEWizard setup overview for hardware related parameters specific to EVAL-M1-IM231-A
power board. Similar tables will be available in each control board’s application note. Combination of this table
and the corresponding table of the control board provides enough information to setup the MADK-based motor
drive system in shortest time.

Table 6 MCEWizard setup overview table

Page Parameter Value Comment

Welcome Page Control Board selecting EVAL-M1-101T for example

Welcome Page Power Board selecting EVAL-M1-IM231-A If no, select similar

power board to modify

Options Page Motor 1 Shunt Configuration Leg shunt

Question 3 Controller Supply Voltage +3.3 V VDD is 3.3 V by default

Question 19 Max DC Bus Voltage 400 V

Question 23 DC Bus Sensing High Resistor 2000 kΩ

Question 24 DC Bus Sensing Low Resistor Refer to the control board user

manual

Question 54 NTC Temperature Shutdown

value

Refer to the control board user
manual

Question 63 GateSense Low-Side Devices High is true

Question 64 GateSense High-Side Devices High is true

Question 69 Motor 1 Current Input

Calculated in the corresponding
Section in control board user
manual

After all the MCEWizard questions are answered, the “Verify & Save Page” will be shown as in Figure 6.

Figure 6 Verify and save page for MCEWizard

Click “Calculate” button and “Export to Designer File (.txt)” button to save the parameter file which will be used
by the MCEDesigner in the next steps.

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4.2.2 MCEDesigner setup overview

After installing MCEDesigner installer, there is a shortcut for MCEDesigner on windows desktop. Double click
the shortcut to open MCEDesigner and then open “IMC101T_xx.irc” file as shown in Figure 7.

Figure 7 MCEDesigner’s main display for EVAL-M1-101T

To program drive system parameter file into IMC101T-T038, please click “Tools” menu and select
“Programmer” in the pull down list. The pop-up window “Program IMC controller” will show up as in Figure 8.
Click on the “Program Parameters” radio button (this is the default option), and then select the drive system
parameter file created using MCEWizard by clicking on “Browse”. Finally, click on the “Start” button to program
the parameter file into the IMC101T-T038 IC.

Figure 8 “Program IMC controller” pop-up window

After drive system parameter file has been programmed into IMC101 controller, and the motor drive system is
powered, the MCEDesigner can be used to start/stop the motor, display motor current traces, change the motor

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speed, modify drive parameters and many other functions. Please refer to the MCEDesigner documentation for
more details.

Note: On-board debugger portion of EVAL-M1-101T is galvanically isolated from the controller portion and the

attached power board. In order to program the parameters or firmware to the IMC101T-T038 controller, the

3.3 V DC voltage needs to be supplied to the controller portion of the EVAL-M1-101T. This voltage can either
be supplied by the power board (MADK power boards are designed to supply the 3.3 V to the control board
through M1 connector) or by feeding the 3.3 V DC voltage to the control board through some of the available

3.3 V access/test points if the power board is not attached to the EVAL-M1-101T control board.

To program new firmware and drive system parameter into IMC101T-T038, please click “Tools” menu and
select “Programmer” in the pull down list. The pop-up window “Program IMC controller” will show up as in
Figure 9. Click on the “Program Firmware and Parameter” radio button, and select the drive system parameter
file created using MCEWizard by clicking on the “Browse” button on the row of “Program Parameter File”, and
then select the firmware file by clicking on the “Browse” button on the row of “Program Firmware File”. Finally,
click on the “Start” button to program the parameter file into the IMC101T-T038 IC.

Figure 9 Program firmware and parameter in “Program IMC Controller” pop-up window

All the latest firmware files for different types of iMOTIONTM motor control ICs are available for download via
Infineon iMOTION

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TM

website (http://www.infineon.com/imotion-software).

EVAL-M1-IM231-A User Manual

iMOTION™ Modular Application Design Kit

Schematics and layout

5 Schematics and layout

To meet individual customer requirements and make the EVAL-M1-IM231-A evaluation board a basis for
development or modification, all necessary technical data like schematics, layout and components are
included in this chapter.

5.1.1 DC bus sensing and MCEWizard configuration

Pin 14 of connector J4 provides access to the DC-link voltage. Three possible feedback cases are associated
with this pin. Figure 10 provides the DC bus sense resistor details.

By default, R22 is not mounted on EVAL-M1-IM231-A. There must be a pull-down resistor mounted on the
corresponding controller board.

DCP

R20

1.00M

R21

1.00M

DCBSENSE

R22

4.87K(DNI)

Figure 10 DC bus sense resistor on EVAL-M1-IM231-A evaluation board

If a pull down resistor of 4.87 k referred to ground is inserted either on the EVAL-M1-IM231-A evaluation board
or on the control board, the DCBSENSE voltage results in the range of 0 to 3.3 V on the pin reflecting a DC bus
voltage range of 0 to 400 V.

If a pull down resistor of 4.87 kis inserted on both, EVAL-M1-IM231-A evaluation board and on the control
card, the DCBSENSE results scale to 0-1.65 V. No safety issue occurs.

The high side resistors R20 and R21 for the DC bus sensing resistor divider on the controller board EVAL-M1­IM231-A are 2000 kΩ, and should be configured in MCEWizard as shown in Figure 11. For the low side resistor
value, please refer to the user manual of the corresponding control board.

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Schematics and layout

Figure 11 DC bus sensing configuration in MCEWizard

5.1.2 Motor external current feedback configuration and calculation

The current input value is product of the shunt resistance in milliohms and gain of external current sense
amplifier for EVAL-M1-101T as shown in Figure 12.

Figure 12 Current shunt feedback and sample timing for EVAL-M1-101T

The external amplifier gain circuit can be found in the schematics or user manual for the control board (For
example, EVAL-M1-101T see Figure 13).

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Figure 13 depicts IU+ current feedback sensing circuity on EVAL-M1-101T evaluation board. Please note that the
default external amplification gain is less than 1 for current sense in this evaluation board.

+3.3V

Current shunt
resistor on power
board

Rsh

Ish

IU+

R6

10k, 1%

V1

R7

2k, 1%

R8

100R

V2

C15
220pF

6

iMOTION

Controller

IU

Figure 13 The part of Current feedback on the EVAL-M1-101T evaluation board

Based on the principle of Kirchhoff's voltage law,

≈ 

(

≈

− ∗ 





∗

+ 







)

  =

+ ∗ 





+ 







=

+ 

=





5

6





_ℎ



+

+ 



∗ 









Based on this calculation, the current input for the MADK combination of EVAL-M1-101T and EVAL-M1­CTE610N3 is 83.3 mV/A.

Please use same procedure to calculate the current input for other combinations of MADK boards and enter it
into MCEWizard as shown in Figure 14.

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Schematics and layout

Figure 14 Current feedback configuration in MCEWizard for EVAL-M1-101T and EVAL-M1-CTE610N3

5.1.3 Inverter overcurrent protection and motor Gatekill configuration

Figure 15 displays the overcurrent protection circuitry. The current sensing signal I_Shunt is connected to ITRIP
via the comparator U6A, and ITRIP is filtered through capacitor C30.

Figure 15 Overcurrent protection circuit on the EVAL-M1-IM231-A evaluation board

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Schematics and layout

The inverter output peak current is about 6.07 A

 ∗





󰇣

=



30 + 35

If the motor peak current is larger than the setting value I

peak

35

.

+ 



36 + 31

∗

󰇤



for more than I

trip

36

+ 7

input filter time, the RFE will be

trip

triggered low, which means that the Gatekill signal is active. For iMOTION™ IMC1xx control IC, there are three
types of Gatekill input sources (as shown in Figure 16). For the input source configured as “Gatekill-Pin” or
“Both”, the iMOTION™ control IC will stop the motor when the GateKill signal is active.

But please note that if the comparator for the Gatekill input source is selected, the external Gatekill signal will
not be used. And the current-sensing signal I_Shunt will be compared by the internal comparator with the
“Gatekill Comparator Reference” value only set in MCEWizard.

Figure 16 Gatekill configuration in MCEWizard for EVAL-M1-101T

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Schematics and layout

5.2 EMI filter and rectifier circuit

Figure 17 depicts the schematic from the AC line input connector J2 to the rectified DC bus voltage. This
circuitry includes a passive EMI filter consisting of elements CX1, CX2, L2, CY1 and CY2, a 4 A/600 V rectifier block
BR1 and a NTC resistor RT1 for surge current protection. An electrolytic capacitor C13 and two ceramic
capacitors C14 and C15 are used for buffering the rectified DC bus voltage DCP. During testing it is advisable to
include an external fuse.

Figure 17 Schematic for EMI filter and AC/DC section of the EVAL-M1-IM231-A evaluation board

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Schematics and layout

5.3 Inverter section using CIPOS™ Micro

The inverter section is implemented using the CIPOS™ Micro IPM as sketched in Figure 18. The module includes
a combination of low VCE (sat) Trench IGBT technology and the industry benchmark rugged half-bridge drivers.

The shunt resistor section is also given, including the 0  resistors R23 to R27. These resistors allow connecting
or disconnecting the shunts’ signals to connector J4. The three capacitors C24, C26 and C33 are used as
bootstrap capacitors to provide the necessary floating supply voltages VBS1, VBS2 and VBS3 respectively.

Figure 18 Schematic of the 3-phase inverter section using CIPOS™ Micro on EVAL-M1-IM231-A

evaluation board

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Schematics and la

yout

5.4 Auxiliary power supply

Figure 19 depicts the schematic of the auxiliary power supply for the EVAL-M1-IM231-A board. The circuit
includes the latest CoolSET 5 of Infineon and flyback toplogy, directly output 15 V and 6 V. VCC is connected to
the gate drivers inside the CIPOS™ IPM.

Figure 19 Power supply section of the EVAL-M1-IM231-A evaluation board

The linear voltage regulator IFX1117ME V33 generates 3.3 V from 6 V power supply VCC. The 3.3 V power supply is
used in the inverter external overcurrent comparator circuit. Both VCC and 3.3 V are also present on the 20-pins
iMOTION™ MADK-M1 interface connector J4 to power circuitry on the control board.

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5.5 Schematics for EVAL-M1-IM231-A

Figure 20 displays the AC linear section schematic for EVAL-M1-IM231-A.

Figure 20 AC Linear section schematics for the EVAL-M1-IM231-A evaluation board

The auxiliary power supply section schematic for EVAL-M1-IM2331 is provided in Figure 21.

Figure 21 Auxiliary power supply section schematics for EVAL-M1-IM231-A

The inverter section schematic for EVAL-M1-IM231-A is provided in Figure 22.

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Schematics and layout

Figure 22 Inverter section schematics for EVAL-M1-IM231-A

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Schematics and layout

5.6 Layout

The layout of this board can be used for different voltage or power classes. The PCB has two electrical layers
with 35µm copper by default and its size is 100 mm × 100 mm. The PCB board thickness is 1.6mm. Get in
contact with our technical support team to get more detailed information and the latest Gerber-files.

Figure 23 illustrates the top assembly print of the evaluation board.

Figure 23 Top assembly print of the EVAL-M1-IM231-A evaluation board

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Figure 24 depicts the bottom assembly print of the evaluation board.

Figure 24 Bottom assembly print of the EVAL-M1-IM231-A evaluation board

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The top layer of the PCB is provided in Figure 25.

Figure 25 Top layer of the EVAL-M1-IM231-A

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Figure 26 illustrates the bottom layer routing of the PCB.

Figure 26 Bottom layer routing of the EVAL-M1-IM231-A

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Bill of materials of EVAL

-M1-

IM231

-

A

Manufacturer

6 Bill of materials of EVAL-M1-IM231-A

Table 7 provides the complete bill of materials of the evaluation board.

Table 7 Bill of materials

No Qty Part description Designator Part number

1 1 RECT BRIDGE GPP 4A 600V GBU BR1 GBU406

2 1 CAP SMD 470pF 100V 0603 C1 885012006083 Wurth Electronics Inc.

3 1 CAP CER 1000pF 630V 1206 C2 885342208011 Wurth Electronics Inc.

4 2 ECAP ALUM 100μF 16V RADIAL C3, C8

5 1 ECAP ALUM 330μF 25V RADIAL C4 860020474013 Wurth Electronics Inc.

6 2 CAP CER 10UF 16V X5R 0805 C6, C5 885012107014 Wurth Electronics Inc.

7 1 ECAP ALUM 220μF 16V RADIAL C7 860080374009 Wurth Electronics Inc.

8 1 CAP ALUM 100UF 20% 35V RADIAL C9 860020573008 Wurth Electronics Inc.

9 3 CAP CER 0.1UF 16V X7R 0603 C10, C11,

C12

10 1 ECAP ALUM 220uF 450V 20%

RADIAL

11 4 CAP CER 0.012µF 500V X7R 1206 C14, C15,

12 1 CAP CER 1000pF 16V 0603 C16 885012206034 Wurth Electronics Inc.

13 1 CAP CER 2200PF 16V X7R 0603 C17 885012206036 Wurth Electronics Inc.

14 1

15 1 CAP CER 0.1UF 50V X7R 0805 C19 885012207098 Wurth Electronics Inc.

16 1 CAP CER 1000PF 50V C0G/NP0 0603 C20 885012006063 Wurth Electronics Inc.

17 6 CAP CER 0.1µF 50V X7R 0805 C23, C25,

CAP CER 220nF 16V 0603

C13 861221485015 Wurth Electronics Inc.

C21, C22

C18 885012206048 Wurth Electronics Inc.

C27, C28,
C32, C34

860010372006

885012206046 Wurth Electronics Inc.

1206J5000123MDR

885012207098 Wurth Electronics Inc.

Wurth Electronics Inc.

18 3 CAP CER 1µF 25V X7R 0805 C24, C26,

19 1 CAP CER 1000PF 50V C0G/NP0 0805 C29 885012007063 Wurth Electronics Inc.

20 1 CAP CER 1000PF 50V C0G/NP0 0805 C30 885012007063 Wurth Electronics Inc.

21 1 CAP CER 1000pF 50V C0G/NP0 0805 C31 885012007063 Wurth Electronics Inc.

22 2 CAP CER 1000pF 50V C0G/NP0 0805 C35,C30 885012007063 Wurth Electronics Inc.

23 2 CAP FILM 0.1UF 10% 275VAC RADIAL CX1, CX2 890324025017CS Wurth Electronics Inc.

24 2 CAP CER 2200pF 250VAC RADIAL CY1, CY2 DE2E3KY222MN3A

25 1

26 1 DIODE FRD 1000V 1A DO241AC D4 US1M-E3/61T

27 1 DIODE Schottky 45V 1.5A DO214AC D5 BYS10-45-E3/TR3

28 1 RF071M2S-200V-700mA D6 RF071MM2STR

User Manual 31 Revision 1.1
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DIODE Schottky 100V 2A DO214AA

885012207078 Wurth Electronics Inc.

C33

M02F

D3 SS2H10-E 2A/100V

EVAL-M1-IM231-A User Manual

iMOTION™ Modular Application Design Kit

Bill of materials of EVAL

-M1-

IM231

-

A

29 1 SERIE 2165S - 5.08 MM -

J2 691216510003S Wurth Electronics Inc.

HORIZONTAL CABLE ENTRY WITH
RISING CAGE CLAMP - WR-TBL

30 1 SERIE 2169 - 7.50 MM - HORIZONTAL

J3 691216910003 Wurth Electronics Inc.
CABLE ENTRY WITH RISING CAGE
CLAMP - WR-TBL

31 1 2.54MM ANGLED DUAL SOCKET

J4 613020243121 Wurth Electronics Inc.
HEADER

32 1 FIXED IND 2.2UH 2.5A 71 MOHM

L1 744773022 Wurth Electronics Inc.
SMD

33 1

8103-RC

L2 JWMILLER_8103

34 1 LED RED CLEAR ROUND T/H LED1 151034RS03000 Wurth Electronics Inc.

35 1 DNI R1 DNI

36 1 RES SMD 68K OHM 5% 1/8W 0805 R2 RC0805JR-0768KL

37 3 RES SMD 15MΩ 5% 1/4W 1206 R3, R6, R8 RC1206JR-0715ML

38 3 RES SMD 3M OHM 5% 1/4W 1206 R4, R5, R10 RC1206JR-073ML

39 1 RES SMD 4.7Ω 1% 1/8W 0805 R9 RC0805FR-074R7L

40 1

RES SMD 1M OHM 1% 1W 2512

R11 CHV2512-FX-

1004ELF

41 1 RES SMD 1.5kΩ 1% 1/8W 0805 R14 RC0805JR-071K5L

42 1 RES SMD 22kΩ 5% 1/8W 0805 R15 RC0805JR-0722KL

43 1 RES SMD 62kΩ 5% 1/4W 1206 R16 RC1206FR-0762KL

44 1 RES SMD 510kΩ 1% 1/8W 0805 R17 RC0805FR-

07510KL

45 1 RES SMD 820Ω 1% 1/8W 0805 R18 RC0805JR-

07820RL

46 1 RES SMD 9.76kΩ 1% 1/8W 0805 R19

RC0805FR­079K76L

47 2 RES SMD 1 M Ω 1% 1/4W 1206 R20, R21 RV1206FR-071ML

48 2 RES SMD 4.87 kΩ 1% 1/8W 0805 R22,R13 RC0805FR-

074K87L

49 7 RES SMD 0 Ω JUMPER 1/8W 0805 R12, R23,

RC0805JR-070RP
R24, R25,
R26, R27,
R28

50 1 RES SMD 680K OHM 5% 1/8W 0805 R29 RC0805JR-

07680KL

51 1 RES SMD 6.49 kΩ 1% 1/8W 0805 R30 RT0805BRD076K49

L

52 4 RES SMD 1 kΩ 1% 1/8W 0805 R35, R40 RC0805FR-071KL

53 1 RES SMD 4.7 kΩ 1% 1/8W 0805 R32 RC0805FR-074K7L

54 3 RES SMD 100 Ω1% 1/8W 0805 R31, R33,

User Manual 32 Revision 1.1
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R34

RC0805FR-

07K100RL

EVAL-M1-IM231-A User Manual

iMOTION™ Modular Application Design Kit

Bill of materials of EVAL

-M1-

IM231

-

A

IC CIPOS

Micro

Module

55 1 RES SMD 1.02 kΩ1% 1/8W 0805 R36 RC0805FR-

071K02RL

56 3 RES 0.1 OHM 1% 3/4W 2010

RS3, RS4,

RL2010FK-070R1L
RS5

57 1 Transformer EE13-10P T1 750344226 Wurth Electronics Inc.

58 1 NTC 15Ω 9MM DIA RT1 NTC15D-9

59 17 TEST POINT PC MINI .040"D WHITE TP1,TP2,

5002
TP3,TP4,
TP5,TP6,T
P7,TP8,TP9
,TP10,TP11
,TP12,TP13
,TP14,TP15
,TP16,TP17

60 1

61 1

IC REG LINEAR 3.3V 1A SOT223-4

IC AUX Power PD-DSO-12

U1 IFX1117MEV33HTM

Infineon Technologies

A1

U2 ICE5GR4780AG Infineon Technologies

62 1 IC OptoCoupler U3 SFH617A-3X007

63 1 IC TL431DBZR U4 TL431DBZR

64 1

U5 IM231-L6S1B/

Infineon Technologies

IM231-L6T2B

65 1 IC DUAL DIFF COMPARATOR 8-SOIC U6 LM393ADR

66 1 DIODE ZENER 22V 500mW SOD123 ZD1 MMSZ525B-7-F Wurth Electronics Inc.

67 3 DIO SBD 3A 10V SOD-323-2P SMD D7,D8,D9 BAT60A Infineon Technologies

68 1 Littelfuse F6632DKR-ND 5A 250VAC F1 F6632DKR-ND

69 3 DIO SBD 3A 10V SOD-323-2P SMD D7,D8,D9 BAT60A Infineon Technologies

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Reference

7 Reference

[1] 2018-09_AN2018-20_EVAL-M1- CTE610N3 User Manual_V1.0 EN

[2] EVAL-M1-101T User Manual is available for download on Infineon’s website

[3] EVAL-M1-183M User Manual is available for download on Infineon’s website

[4] MCEWizard User Guide

[5] MCEDesigner User Guide

Note: All listed reference materials are available for download on Infineon’s websitewww.infineon.com/.

All the iMOTION MADK evaluation board’s User Manuals are available at www.infineon.com/MADK

Attention: Infineon’s product registration is online now. Register your board, and download more

information.

3 easy steps to register:

1. Go to www.Infineon.com/ login to myinfineon

2. Click on “Product Registration”

3. Choose your board and enter board series number; download the related information package

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Version number

Revision history

Revision history

Major changes since the last revision

Revision Date Revision description

1.0 2019-01-23 First release

1.1 2020-07-09 Add D7,D8,D9,F1,R36
R31,R33,R34 from 1Kohm change to 100ohm
R30 from 15Kohm change to 6.49Kohm
Update photo of the PCB

User Manual 35 Revision 1.1
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Trademarks of Infineon Technologies AG

ConvertIR™, AURIX™, C166™, CanPAK™, CIPOS™, CIPURSE™, CoolDP™, CoolGaN™, COOLiR™, CoolMOS™, CoolSET™, CoolSiC™,

EasyPIM™, EconoBRIDGE™, EconoDUAL™, EconoPACK™, EconoPIM™, EiceDRIVER™, eupec™, FCOS™, GaNpowIR™,

d™, NovalithIC™,

SIL™, RASIC™, REAL3™, SmartLEWIS™, SOLID

Manual

technology,

delivery terms and conditions and prices please

ffice

ied

according to the AEC Q100 or AEC Q101 documents

Due to technical requirements products may contain

dangerous substances. For information on the types

in question please contact your nearest Infineon

Except as otherwise explicitly approved by Infineon

Technologies in a written document signed by

authorized representatives of Infineon

Technologies, Infineon Technologies’ products may

the

product or any consequences of the use thereof can

µHVIC™, µIPM™, µPFC™, AU­DAVE™, DI-POL™, DirectFET™, DrBlade™,
HEXFET™, HITFET™, HybridPACK™, iMOTION™, IRAM™, ISOFACE™, IsoPACK™, LEDrivIR™, LITIX™, µIPM™, MIPAQ™, ModSTACK™, my­OPTIGA™, OptiMOS™, ORIGA™, PowIRaudio™, PowIRStage™, PrimePACK™, PrimeSTACK™, PROFET™, PRO-
FLASH™, SPOC™, StrongIRFET™, SupIRBuck™, TEMPFET™, TRENCHSTOP™, TriCore™, UHVIC™, XHP™, XMC™

Trademarks updated November 2015

Other Trademarks

All referenced product or service names and trademarks are the property of their respective owners.

IMPORTANT NOTICE

Edition 2020-07-09

Published by

Infineon Technologies AG

81726 Munich, Germany

© 2020 Infineon Technologies AG.
All Rights Reserved.

Do you have a question about this
document?

Email: [e-mail]

The information contained in this application note is
given as a hint for the implementation of the product
only and shall in no event be regarded as a
description or warranty of a certain functionality,
condition or quality of the product. Before
implementation of the product, the recipient of this
application note must verify any function and other
technical information given herein in the real
application. Infineon Technologies hereby disclaims
any and all warranties and liabilities of any kind
(including without limitation warranties of non­infringement of intellectual property rights of any
third party) with respect to any and all information
given in this application note.

The data contained in this document is exclusively
intended for technically trained staff. It is the

For further information on the product,

contact your nearest Infineon Technologies o
(www.infineon.com).

Please note that this product is not qualif

of the Automotive Electronics Council.

WARNINGS

Technologies office.

responsibility of customer’s technical departments

Document reference
AN2018-36 EVAL-M1-IM231-A User

to evaluate the suitability of the product for the
intended application and the completeness of the
product information given in this document with
respect to such application.

not be used in any applications where a failure of

reasonably be expected to result in personal injury.