Infineon EVAL-M1-05F310R User Manual

UG

-

2020

-

24

EVAL-M1-05F310R user guide

Modular application design kit (MADK) of IRSM005-301MH

About this document

Scope and purpose

This user guide provides an overview of the evaluation board EVAL-M1-05F310R including its main features, key
data, pin assignments and mechanical dimensions.

EVAL-M1-05F310R is a power evaluation board from the modular application design kit including M1 connector,
which is the iMOTION
applications. In combination with either EVAL-M1-101T or other control boards with M1 connector compatible,
it features and demonstrates Infineon’s CIPOS™ Nano IPM technology for motor drives.

The evaluation board EVAL-M1-05F310R was developed to support customers during their first steps designing
applications with IRSM005-301MH CIPOS™ Nano power modules.

Intended audience

This user guide is intended for all technical specialists who know motor control, middle- and low-power
electronics converters. The board is intended to be used under laboratory conditions.

Evaluation Board

This board will be used during design in, for evaluation and measurement of characteristics, and proof of data
sheet specifications.

Note: PCB and auxiliary circuits are NOT optimized for final customer design.

TM

standard interface, and three CIPOS™ Nano 100 V half-bridge modules for motor drive

User guide Please read the Important notice and the Safety precautions and the Warnings V1.0

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EVAL-M1-05F310R user guide

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Important notice

Important notice

“Evaluation Boards and Reference Boards” shall mean products embedded on a printed circuit board
(PCB) for demonstration and/or evaluation purposes, which include, without limitation, demonstration,
reference and evaluation boards, kits and design (collectively referred to as “Reference Board”).

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).

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 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 is obliged to ensure that the use of the Evaluation Boards and Reference Boards does not
cause any harm to persons or third party property.
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

Safety precautions

Note: 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 100 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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Table of contents

Table of contents

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

Important notice ............................................................................................................................ 2

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

Table of contents ............................................................................................................................ 4

1 The board at a glance .............................................................................................................. 5

1.1 Delivery content ...................................................................................................................................... 5

1.2 Block diagram .......................................................................................................................................... 5

1.3 Main features ........................................................................................................................................... 6

1.4 Board parameters and technical data .................................................................................................... 6

2 System and functional description ........................................................................................... 8

2.1 Getting started with EVAL-M1-05F310R .................................................................................................. 8

2.1.1 iMOTION™ control board ................................................................................................................... 8

2.1.2 iMOTION™ development tools and software .................................................................................... 9

2.1.3 MCEWizard setup overview ................................................................................................................ 9

2.1.4 MCEDesigner setup overview........................................................................................................... 11

2.2 The current waveform form MCEDesigner ........................................................................................... 13

2.3 Description of the functional blocks ..................................................................................................... 14

2.3.1 Overview of IRSM005-301MH ........................................................................................................... 15

2.3.2 Overview of ICE5GR4780AG ............................................................................................................. 16

3 System design....................................................................................................................... 18

3.1 Inverter section using CIPOSTM Nano .................................................................................................... 18

3.2 DC to DC power converter ..................................................................................................................... 18

3.3 DC bus voltage measurement ............................................................................................................... 19

3.4 Current sensing and amplifying ............................................................................................................ 20

3.5 Current feedback to the control board................................................................................................. 20

3.6 OCP, GK and IOCP setup ....................................................................................................................... 22

3.6.1 OCP setup on EVAL-M1-05F310R ..................................................................................................... 22

3.6.2 PWM shutdown and GK output ........................................................................................................ 23

3.6.3 OCP setup in MCEWizard .................................................................................................................. 24

3.7 NTC thermistor characteristics and over-heating protection calculation .......................................... 25

3.8 Layout .................................................................................................................................................... 27

3.9 Bill of material ....................................................................................................................................... 31

3.10 Connector details .................................................................................................................................. 31

4 System performance ............................................................................................................. 33

4.1 Type working waveform at DC 48 V input ............................................................................................. 33

4.2 T

4.3 Options .................................................................................................................................................. 35

4.3.1 Self-cooling ....................................................................................................................................... 35

4.3.2 Heat-sink cooling ............................................................................................................................. 35

4.3.3 Fan cooling ....................................................................................................................................... 36

5 References and appendices .................................................................................................... 37

5.1 Abbreviations and definitions ............................................................................................................... 37

5.2 References ............................................................................................................................................. 37

Revision history ............................................................................................................................. 38

cmaxi

vs I

at different PWM frequencies ............................................................................................. 34

out

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The board at a glance

1 The board at a glance

The EVAL-M1-05F310R evaluation board is a part of the iMOTION™ MADK for motor control (iMOTION™ MADK).

The MADK platform is intended for use in 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 for the power section featuring by CIPOS™
Nano. It provides a DC input and 3-phase output for power. It contains a single shunt for current sensing and a
voltage divider for DC-link voltage measurement.

The EVAL-M1-05F310R evaluation board is available from Infineon. The features of this board are described in
the design feature chapter of this document (UG-2020-24), 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-M1-05F310R. The design was tested as
described in this document but not qualified in term of 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.

1.1 Delivery content

The EVAL-M1-05F310R evaluation board is designed to provide an ease-of-use power stage based on the
Infineon's CIPOS™ Nano intelligent power module (IRSM005-301MH).

The delivery includes the finished board as shown in Figure 1 and Figure 2. It provides a 3-phase AC connector,
an EMI filter and soft power-up circuit, input rectifier, DC bus capacitors and 3-phase output for connecting the
motor.

It also CoolSETTM based aux power supply to provide 15V and 3.3 V, a single shunt for current sensing and over­current protection, and a voltage divider for DC-link voltage measurement. The board shown here can be
operated directly with the required power supply without the need for additional components.

1.2 Block diagram

The block diagram of EVAL-M1-05F310R is depicted in Figure 1.

Figure 1 The block diagram of EVAL-M1-05F310R

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The board at a glance

Figure 2 points out the functional groups on the top side of the EVAL-M1-05F310R design.

Figure 2 Functional groups of the EVAL-M1-05F310E reference design

1.3 Main features

EVAL-M1-05F310R is a complete power evaluation board including 3 half bridge IPMs for motor drive
application. The kit demonstrates Infineon’s IPM technology for motor drives. Main features of CIPOS™ Nano
intelligent power module IRSM005-301MH include:

 MOSFET drain-to-source voltage 100 V
 Maximum DC current at 25°C case temperature I
 Package with low thermal resistance and minimal parasitic inductance
 Independent gate driver in phase with logic input
 Gate driver supply is 15 V
 3.3 V logic input compatible
 Undervoltage lockout protection inside the driver
 Exposed driver outputs and HEXFET gate terminals for dv/dt setting via a resistor.

= 30 A

D

1.4 Board parameters and technical data

Table 2 depicts the important specification of the evaluation board EVAL-M1-05G310R:

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Auxiliary power

Auxiliary power supply

The board at a glance

Table 2 EVAL-M1-05F310R specifications

Parameter Symbol Conditions Value Unit

Input

Input voltage V

Input current I

DC

DC(maxi)

Lower DC input, less motor power output. 30~72 V

Input DC48 V, output 320 W, Ta=25°C.

6.7 A

Output

Power (3-phase) P

At 48 VDC, FPWM=9 kHz, Ta=25°C, T

out(maxi)

= 100°C

case

320 W

without heat sink.

Current per phase I

At 48 VDC, FPWM=9 kHz, Ta=25°C, T

out(maxi)

= 100°C

case

6.5 A

without heat sink.

DC bus voltage

Maximum DC bus voltage V

Minimum DC bus voltage V

DC(maxi)

Aux power supply’s brown-in voltage. 30 V

DC(min)

72 V

Current feedback

Shunt resistance R16 Inverter current sensing resistor. 5 mΩ

Protections

Output current trip level I

Case temperature trip
level

trip

T

C

Level set by external comparator circuit. 27 A

Users need to consider the temperature gap by

100 °C
NTC sensor, it is recommend to set at 100°C or
less.

supply 15 V

Output voltage V

Output current I

out1

out1

Used for IPM. 15 ± 5% V

Maximum output current. 100 mA

3.3 V

Output voltage V

Output current I

out2

out2

Used for IMC controller and protection circuits. 3.3 ± 5% V

Maximum output current. 150 mA

PCB characteristics

Dimension Length × width × height (including PCB pillar) 91 × 69 × 33 mm

Material FR4, 1.6 mm thickness, 2 oz. PCB 2 layers

System environment

Ambient temperature T

a

Non-condensing, maximum RH of 75% 0~50 °C

Note: For iMOTION™ IC IMCxxx, there are three types of Gatekill input source options in MCEWizard setup:

Gatekill-pin, Comparator and Both. If you select “comparator” mode, the external Gatekill signal
will be not used, and the signal I_Shunt will be compared by the internal comparator with the
“Device over-current trigger level setting” value set in MCEWizard.

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System and functional description

2 System and functional description

2.1 Getting started with EVAL-M1-05F310R

In order to run the motor system, a combination of the iMOTION™ MADK power board (EVAL-M1-05F310R) and
the matching MADK control board (EVAL-M1-101T or other control board) are required. This chapter provides
more details on setting up the system and getting started with the iMOTION™ MADK development platform.

The EVAL-M1-05F310R reference designs are tested with EVAL-M1-101T controller boards, which shipped with
embedded firmware and default parameters.

Figure 3 shows the basic system connection using EVAL-M1-05F310R to run a motor with MCEDesigner.

Figure 3 System connection example

2.1.1 iMOTION™ control board

1. If you want to use the Infineon control board, please go to the Infineon website, www.infineon.com/MADK,

and order EVAL-M1-101T.

2. Then get the latest “IMC101T-T038 MCE Software Package” available on the website,

http://www.infineon.com/imotion-software.

3. After you have obtained the control board and software, you are ready to connect your PC to EVAL-M1-101T

via USB cable, and to program and tune the control board.

4. Connect EVAL-M1-101T’s M1 20-pin interface connector (J2) to power board (for example EVAL-M1-05F310R,

see Figure 3).

5. Use MCEWizard to enter the target motor’s system and operating parameters, as well as the evaluation

board’s hardware parameters, which will then be used to calculate the controller’s set digital parameters
representing the complete motor drive system. First click the “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)”.
The saved drive system parameter file will be later used by the MCEDesigner. Refer to Chapter 2.1.3 or
MCEWizard user guide for more details.

6. Connect motor phase outputs to the motor.

7. Connect DC power to power input connector and power-on system.

8. 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 the “IMC101T-T038 MCE
Software Package” downloaded in step 2.

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9. 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 the COM port as follows: (“System” window active) > Preferences >
Connection > Connect using (select one of the other available COM ports from the drop-down menu).

10. Use the 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 5. See Chapter 2.1.3 for more details.

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

12. Stop the motor by clicking the red traffic light button in the control bar.

2.1.2 iMOTION™ development tools and software

The iMOTION™ development tool installers for MCEDesigner and MCEWizard are available for download via
Infineon iMOTIONTM website (http://www.infineon.com/imotion-software). All supported tools and software
variants are listed there. Please visit this page periodically to check for tool/software updates.

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

2.1.3 MCEWizard setup overview

Double-click the shortcut to open the MCEWizard and configure the parameters for evaluation boards or motor.
Figure 4 shows the “Welcome Page” for MCEWizard, where the MADK control board or power board can be
selected from the pull-down list. Infineon continues to release new MADK controller and power boards.
Therefore, it is possible that some of the latest power boards have not been pre-configured in the MCEWizard
tool and cannot be selected from the pull-down menu. In that case, the user should select another power board
(as similar as possible) and follow the MCEWizard setup steps by entering the parameter values that 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 4.

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Value

System and functional description

Figure 4 Welcome page of MCEWizard

The iMOTION™ MADK system enables users to easily test different combinations of control and power boards
with their motors. Users should be familiar with the system level parameters that 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.
Table 3 provides the MCEWizard setup overview for hardware related parameters specific to EVAL-M1-05F310R
power board. Similar tables will be available in each control board’s Application Note. A combination of this
table and the corresponding table of the control board provides sufficient information to set up the MADK­based motor drive system rapidly.

Table 3 MCEWizard setup overview table

Parameter

Control board selecting EVAL-M1-101T for example

Power board selecting EVAL-M1-05F310R

Motor 1 shunt configuration Single shunt

Controller supply voltage +3.3 V

Max DC bus voltage 80 V

DC bus sensing high resistor 1020 kΩ

DC bus sensing low side resistor Refer to the control board user manual

NTC temperature shutdown value Refer to the control board user manual

Gate sense low-side devices High is true

Gate sense high-side devices High is true

Motor 1 current input Calculated in the corresponding section in control board user manual

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After all the MCEWizard questions are answered, the “Verify & Save Page” will be shown as in Figure 5.

Figure 5 Verify and save page of the MCEWizard

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

2.1.4 MCEDesigner setup overview

After installing MCEDesigner, there is a shortcut for the MCEDesigner on Windows desktop. Double-click the
shortcut to open MCEDesigner and then open “IMC101T_xx.irc” file as shown in Figure 6.

Figure 6 MCEDesigner’s main display for EVAL-M1-101T

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Figure 7 “Program IMC controller” pop-up window

After the drive system parameter file has been programmed into the 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 speed, modify drive parameters and many other functions. Please refer to the MCEDesigner
documentation for more details.

Note: The on-board debugger section of the EVAL-M1-101T has galvanic isolation from the controller

section 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 section 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 via M1 or M3 connector) or by feeding the 3.3 V
voltage to the control board via 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 the drive system parameters into IMC101T-T038, please click the “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 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 in the row of “Program Firmware
File”. Finally, click on the “Start” button to program the parameter file into the IMC101T-T038 IC.

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Figure 8 Program firmware and parameter in “Program IMC controller” pop-up window

2.2 The current waveform form MCEDesigner

MCEDesigner has a parameter trace function for debugging and checking the PCB layout/parameter settings in
the “.irc” window.

Figure 9 Trace function in MCEDesigner window

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The trace function shows what the MCE ‘saw’. The figures below are the motor current waveform at stop and
running status.

Figure 10 Iu and Iv static noise waveform from MCEDesigner

Figure 11 Iu and Iv waveform from MCEDesigner @ Iu and Iv @ Io=5.7 A, 48 VDC , 24 kHz

This is typical current waveform of a sinusoidal brushless motor driven by the EVAL-M1-05F310R and EVAL-M1­101T with iMOTIONTM software.

2.3 Description of the functional blocks

The motor inverter of EVAL-M1-05F310R evaluation design is implemented by the IRSM005-301MH module, and
the auxiliary power supply is based on the CoolSETTM: ICE5GR4780AG.

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System and functional description

2.3.1 Overview of IRSM005-301MH

Figure 12 provides the overview of the IRSM005-301MH internal electrical schematics. For further information
regarding these CIPOS™ Nano such as static and dynamic electrical behavior, as well as thermal and
mechanical characteristics, please refer to the datasheet of the IRSM005-301MH.

Figure 12 IRSM005-301MH internal electrical schematic

The main features of the CIPOS™ Nano IPM IRSM005-301MH include:

 MOSFET drain-to-source voltage 100 V
 Maximum DC current at 25°C case temperature I
 Package with low thermal resistance and minimal parasitic inductance
 Independent gate driver in phase with logic input
 Gate drive supply is 15 V
 3.3 V logic input compatible
 Undervoltage lockout protection inside the driver
 Exposed driver outputs and HEXFET gate terminals for dv/dt setting via a resistor

= 30 A

D

Table 4 Absolute maximum ratings of IRSM005-301MH

Symbol Description Min Max Unit

V

DS

I

O

MOSFET drain-to-source voltage -- 100 V

Maximum DC current per MOSFET @ TC =

-- 30 A

25°C.

P

d

Maximum power dissipation per

-- 13.5 W

MOSFET @ TC = 100°C.

TJ (MOSFET & IC) Operating junction temperature. -- 150 °C

T

S

V

B

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Storage temperature range. -40 150 °C

High side floating supply voltage. -0.3 VS+20 V

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V

S

V

CC

V

IN

High side floating supply offset voltage. VB-20 VB+0.3 V

Low side fixed supply voltage. -0.3 20 V

Low input voltage of LIN, HIN. -0.3 VCC+0.3 V V

2.3.2 Overview of ICE5GR4780AG

The ICE5GR4780AG is single power chip that is Infineon’s CoolSETTM, offers high performance, high efficiency
and easy to use with DC 30~600 V super wide voltage range industrial auxiliary power supply for super buck
with DC 36 ~ 540 V standard industrial aided design.

Figure 13 ICE5GR4780AG internal electrical schematic

Features

 Integrated 800 V avalanche rugged CoolMOS™
 Enhanced Active Burst Mode with selectable entry and exit standby power to reach the lowest standby

power <100 mW

 Digital frequency reduction for better overall system efficiency
 Fast startup achieved with cascode configuration
 DCM and CCM operation with slope compensation
 Frequency jitter and soft gate driving for low EMI
 Built-in digital soft start
 Integrated error amplifier to support direct feedback in non-isolated flyback
 Comprehensive protection with input line over voltage protection, V

overload/open loop, over temperature

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System and functional description

 All protections are in auto restart mode
 Limited charging current for V

short to GND

CC

User guide 17 of 39 V1.0

2020-11-10

EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

3 System design

The EVAL-M1-05F310R board is an optimized design for DC30~72V major home and industry appliances. To
meet individual customer’s requirements and to make the EVAL-M1-05F310R evaluation design a basis for
development or modification, all board design data such as schematics, Gerber and Altium design data can be
found on the Infineon homepage and log in your account to download them.

3.1 Inverter section using CIPOSTM Nano

There CIPOSTM Nanoes are used to buildup the inverter section as shown in Figure 14. Three half-bridge
modules are used as the 3-phase inverter bridge section. Every half-bridge module includes two power
MOSFETs and one half-bridge gate driver. The shunt resistor section is also given. The three capacitors C4, C5
and C6 are used as bootstrap capacitors to provide the necessary floating supply voltages VBU, VBV and VBW
respectively.

Figure 14 Schematic of the inverter section

3.2 DC to DC power converter

Figure 15 depicts the schematic of the super buck for auxiliary power supply available on the EVAL-M1-05F310R
board. The circuit includes ICE5GR4780AG that is used to generate 15 V (VCC) directly from the DC bus. VCC is
connect to the gate drivers inside the CIPOS™ Nano. The linear regulator TPS56043XF generates 3.3 V from VCC.
The 3.3 V power supply is used in the overcurrent comparator circuit. Red LED1 is used to signal whether the
board is powered or not. Both, VCC and 3.3 V are also present on the 20-pin interface connector J3 to power
circuitry on the controller board.

Figure 15 Power supply section

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 16 U14 (Pin12) output type waveform at 48 V DC input

3.3 DC bus voltage measurement

Pin 14 of connector J3 provides access to the DC bus voltage. Three possible feedback cases are associated
with this pin.

Figure 17 DC bus sensing

R48 is the safety resistance on the connection port when the connector is open. The DC bus sensing low side
resistance is R48//R1 (R1 is the pull-down resistor on EVAL-M1-101T). It is:

User guide 19 of 39 V1.0

 R

 

1 MΩ × 13.3 kΩ

=

1 MΩ + 13.3 kΩ

= 13.13 kΩ

2020-11-10

EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

3.4 Current sensing and amplifying

The current feedback of EVAL-M1-05F310R is single-shunt sensing by R16. It is 5 mΩ. The current output IU+ and

IU- goes to J3.

Figure 18 Current sense and signal amplification

An LPF consists of R20/R23/C14/C15 to remove EMC noise from R16. The current amplifier consists of
R18/R19/R20/R22/R23/C13 U1A for lower noise and proportional amplifier.

The gain of the amplifier is:

18 + 19 + 20

G =

The current scaling is:

V



Static status:

V=

The response time:

T=

R21 matches the resistance with U11A output. The GBWP is gain bandwidth of U11.

19 + 20

= R16 × G = 79.8 mV/A

R30 × 3.3 V

R26 + R29 + R30

1

GBWP



A − 1

= 15.96

= 0.607 V

= 1.5 μs

3.5 Current feedback to the control board

The circuit below shows the feedback current signal to the control board. The offset circuit consists of R6 and

3.3 V.

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 19 Current signal transmission of EVAL-M1-05F310R+EVAL-M1-101T

The attenuation of the current signal from IU+ to IU:

α =

R6 + R21 + R27

Total gain to IU input:

 G = α × G = 13.29

Total current scaling to IU input:

R6

V



= R16 ×  G = 66.4 mV/A

= 0.833

Figure 20 Current input scaling setup in MCEWizard

The current offset to IU input:

Voffset =(3.3 V − 0.6 V)×

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R21 + R27

R6 + R21 + R27

+ 0.6 V = 1.06 V

2020-11-10

EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Since the control board of the ADC range is 3.3 V, we have to select the internal gain of control board to “1”.

Figure 21 Setup current signal gain to “1”

3.6 OCP, GK and IOCP setup

Figure 22 is the overcurrent protection (OC) and gate kill (GK) circuit. The PWMUH, PWMUL, PWMVH, PWMVL,
PWMWH, PWMWL are three-phase 3.3 V level PWM from J3 (from EVAL-M1-101T). UH, UL, VH, VL, WH, WL is 3.3 V
level PWM to U1, U2, U3 (IPM). The following: R51, R52, R54, R55, R56, R57 are input resistors for damping noise
from connections. R58, R59, R60, R61, R62, R63 are pull-down resistors for preventing noise from input open
(J3).

3.6.1 OCP setup on EVAL-M1-05F310R

Figure 22 Overcurrent and GK/PWM shutdown

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

The threshold voltage of the schmid trigger (U11B) is set to:

V



=

R32 + R35

× 3.3 V = 1.98 V

The reflected overcurrent threshold:

R35

I





=

V





= 17.2 A

V

The response time:

T= R25 × C16 = 100 ns

When shunt current is over 17.2 A, U11B pin 7 outputs “0”.

3.6.2 PWM shutdown and GK output

U12A is a buffer circuit for the comparator. When overcurrent occurs, U11B pin 7 outputs “0”, C23 will be fast. A
logic “0” signal appears on the output of U12B. This is a shutdown signal for all PWM inputs. This is also a gate­kill signal to J3 to inform the control board to stop PWM output. The total delay time of the shutdown is:

 T

When the over current is removed. U11B will go logic “1”. C23 will be changed by R36. The charge time constant
is:

= T+ T= 1.5μs + 0.1μs = 1.6 μs



T= R36 × C23 = 220 μs

For each overcurrent, U12B will output about 220 µs “0” for shutdown PWM and branch control system through
J3.

Figure 23 Logic of PWM input/output and DW/GK

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 24 Waveform of overcurrent and PWM shutdown

3.6.3 OCP setup in MCEWizard

EVAL-M1-101T has an internal comparator. The default value of the threshold is 1.8 V (corresponding 17 A).

Figure 25 Overcurrent setup in MCEWizard

To calculate overcurrent protection threshold for MCEWizard based on EVAL-M1-05F310R board, use the
formula below to calculate the voltage threshold value based on your selected overcurrent (IOCP).

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design





= 



+ 



× 



Figure 26 V

= 1.06 V +

2.6

2.4

2.2

2

66.4 mV/A × I

1000



( V )

ref

1.8

V

1.6

1.4

1.2
3 5 7 9 11 13 15 17 19 21

I

( A )

OPC

vs overcurrent (I

ref

ocp

)

3.7 NTC thermistor characteristics and over-heating protection calculation

EVAL-M1-05F310R has an NTC (R46) to measure Tc for over-temperature protection on top of U2. This
temperature value is sent to EVAL-M1-101T. The part number is NTC is NXRT 15WF 104FA1B.

Figure 27 NTC(R50) on EVAL-M1-05F310R and connection to EVAL-M1-101T via J3

VTH output value vs temperature is shown in Figure 28. MCEWizard type setup is shown in Figure 29.

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 28 VTH output to EVAL-M1-101T

Figure 29 NTC temperature shutdown on MCEWizard

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

3.8 Layout

Figure 30 Top layer

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 31 Bottom layer

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 32 Top over layer

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Figure 33 Bottom over layer

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

3.9 Bill of material

The complete bill of material is available on the download section of the Infineon homepage. A log-in is
required to download this material. Table 5 is key components for this board.

Table 5 BOM of the most important/critical parts of EVAL-M1-05F310R

S. No. Ref Designator Description Manufacturer Manufacturer P/N

1 U1, U2, U3 CIPOSTM Nano Infineon IRSM005-301MH

2 U14 CoolSET

TM

Infineon ICE5GR4780AG

3 D1, D2, D3, D7, D8,

D9, D10, D11

4 C1, C2 Electrolytic

5 L1 Magnetic-core

6 L2 Magnetic-core

7 R16 Shunt resistance 5 mΩ

8 R50 NPT NXRT-5WF-100k 1%

Diode

capacitor

inductor

inductor

Infineon BAS3005A-02V

Wurth Elektronik 860240981008

Wurth Elektronik 744731102

Wurth Elektronik 74479777310A

3.10 Connector details

General information about the connectors of the EVAL-M1-05F310R evaluation board is provided in the tables
below. Table 6 includes details of the DC input connector J1. Table 7 provides details of the motor side
connector J2. Table 8 provides the pin assignments of the iMOTION™ MADK-M1 20-pin interface connector J3.
This connector is the interface to the control board.

Table 6 J1 – DC input connector

Pin Name Details

1 DC+ DC+ connection

2 DC- DC- connection

Table 7 J2- Motor side connector

Pin Name Details

1 U Connect to motor phase U

2 V Connect to motor phase V

3 W Connect to motor phase W

Table 8 J3- iMOTION™ MADK-M1 20-pin interface connector to the control board

Pin Name Description

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

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System design

Pin Name Description

6 +3.3V 3.3 V power supply

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

8 +3.3V 3.3 V power supply

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

10 IU+ Shunt voltage+

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

12 IU- Ground

13 GK Gatekill

14 DCBSENSE Input, DC bus voltage to AIN1 after 2Mohm registers

15 VTH Input, voltage input of power module’s temperature sense

16 IV+ OPEN

17 IV- OPEN

18 IW+ OPEN

19 IW- OPEN

20 VCC Defined for 15 V power supply

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System performance

4 System performance

4.1 Type working waveform at DC 48 V input

Figure 34 IRSM005-301MH gate drive

Figure 35 IRSM005-301MH PWM power output

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System performance

Figure 36 IU output current @ DC 48 V, FPWM = 12 kHz

This is a typical sinusoidal current waveform of a brushless motor from the EVAL-M1-05F310R + EVAL-M1-101T
with iMOTIONTM software.

4.2 T

120

110

100

Tc(°C) @Ta=25°C

cmaxi

90

80

70

60

50

40

vs I

at different PWM frequencies

out

PWM=9kHz
PWM=12kHz
PWM=24kHz
PWM=40kHz

30

1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7

Figure 37 IRSM005F301MH case temperature vs output current with different PWM frequency (at 48

VDC, Ta=25℃)

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Output (A)

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

System performance

4.3 Options for cooling

EVAL-M1-05F310R has three cooling options for easy configuration and extending to higher power applications.

1. Self-cooling (default)

2. Heat-sink cooling

3. Fan cooling

4.3.1 Self-cooling

IRSM005-301MH is the double-sided cooling on the PCB done by copper and vias. For 0~6.2 A loading (input: DC
48 V, f
dissipation, and does not need an additional heat sink.

=9 kHz, Ta=25℃, Tc≤100℃), the EVAL-M1-05F310R can operate well with PCB copper heat

PWM

Figure 38 IRSM005-301MH heat conduction and cooling by two layers PCB copper

4.3.2 Heat-sink cooling

Figure 39 White lined square of installed heat sink

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

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301MH

System performance

This evaluation board reserves space for mounting an additional heat sink to extend output power. Figure 16
shows how to mount the heat sink. Please note the isolation thermal pad is required to isolate the PCB circuit
to heat sink.

Figure 40 Instruction for heat sink installation

Note:

1. Heat sink size: ≤ 50 mm(L)×50 mm(W)

2. Insulating thermal pad: ≥ 50 mm× 50 mm× 0.5 mm

3. Remove test point: CS+, CS-

4. Screw： M3×10

4.3.3 Fan cooling

Whether in self-cooling or heat sink mode, EVAL-M1-05F310R supports additional fan cooling.

In the fan cooling mode, please set up Tc limited lower than 85°C so as not to overheat the MOSFET.

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EVAL-M1-05F310R user guide

Modular application design kit (MA

DK) of IRSM005

-

301MH

Abbreviation

References and appendices

5 References and appendices

5.1 Abbreviations and definitions

Table 9 Abbreviations

Meaning

MADK Modular application design kit

OPA Operational amplifier

LPF Low-pass filter

SPWM Sinusoidal pulse width modulation

CE Conformité Européenne

EMI Electromagnetic interference

UL Underwriters Laboratories

5.2 References

[1] Infineon Technologies AG. Datasheet of Infineon IPM IRSM005-301MH Datasheet (2020), V2.3

www.infineon.com

[2] Infineon Technologies AG. Datasheet of Infineon IMC101T Datasheet (2020). V1.6 www.infineon.com.

5.3 Additional information

The power board is now available for customers in small order quantities. In order to initiate the testing,
customers are advised to order the following items:

Table 10 Ordering information

Part number Symbol Package Quantity

EVAL-M1-05F310R Boxed 1

IRSM005-301MH U1, U2, U3 IFX-PQFN-7x8 3

ICE5GR4780AG U14 PG-DSO-12 1

BAS3005A-02V D1, D2, D3, D7, D8, D9, D10, D11 INF-SC79_V 8

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EVAL-M1-05F310R user guide

Modular application design kit (MADK) of IRSM005

-

301MH

Revision history

Revision history

Document
version

1.0 2020-11-10 First release

Date of release Description of changes

User guide 38 of 39 V1.0

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Trademarks

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

Edition 2020-11-10

Published by

Infineon Technologies AG

81726 Munich, Germany

© 2020 Infineon Technologies AG.
All Rights Reserved.

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document?

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Document reference
UG-2020-24

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