ST STEVAL-IFP044V1 User manual

Introduction

The STEVAL-IFP044V1 is an industrial digital output expansion board. It provides a powerful and flexible environment for the

evaluation of the driving and diagnostic capabilities of the IPS2050HQ-32 (dual high-side smart power solid state relay) in a

digital output module connected to 5.7 A (max.) industrial loads.

The STEVAL-IFP044V1 can interface with the microcontroller on the STM32 Nucleo via 5 kV optocouplers driven by GPIO pins,

Arduino UNO R3 (default configuration) and ST morpho (optional, not mounted) connectors.

The expansion board can be connected to either a NUCLEO-F401RE or NUCLEO-G431RB development board.

It is also possible to evaluate a system composed by up to four stacked STEVAL-IFP044V1 expansion boards.

As an example, a system with four STEVAL-IFP044V1 expansion boards allows you to evaluate an eight-channel digital output

module with 5.7 A (max.) capability each.

Figure 1. STEVAL-IFP044V1 expansion board

Getting started with the STEVAL-IFP044V1 industrial digital output expansion

board

UM3050

User manual

UM3050 - Rev 1 - August 2022

For further information contact your local STMicroelectronics sales office. www.st.com

1Getting started

1.1 Overview

The STEVAL-IFP044V1 embeds the IPS2050HQ-32 intelligent power switch (IPS), featuring overcurrent and

overtemperature protection for safe output load control.

The board is designed to meet application requirements in terms of galvanic isolation between user and power

interfaces. This requirement is satisfied by optical isolation implemented through four optocouplers (ISO1, ISO2,

ISO3 and ISO4) for signal forward to the device and FLT pins for feedback diagnostic signals.

The STEVAL-IFP044V1 features:

• Based on IPS2050HQ-32 dual high-side switch, which features:

– Operating range up to 60 V/5.7 A

– Low power dissipation (RON(MAX) = 50 mΩ)

– Fast decay for inductive loads

– Smart driving of capacitive load

– Under-voltage lock-out

– Per-channel overload and over-temperature protections

– QFN48L 8x6 mm package

• Application board operating range: 8 to 33 V/0 to 5.7 A

• Extended voltage operating range (J3 open) up to 60 V

• Green LEDs for output on/off status

• Red LEDs for per-channel diagnostic (overload and overheating)

• 5 kV galvanic isolation

• Supply rail reverse polarity protection

• Compatible with STM32 Nucleo development boards

• Equipped with Arduino UNO R3 connectors

• CE certified

• RoHS and China RoHS compliant

• Not FCC approved for resale

UM3050

Getting started

UM3050 - Rev 1 page 2/17

1.1.1 Digital section

The digital section is associated with the STM32 interface and digital supply voltage to and from the STEVAL-

IFP044V1 expansion board.

Figure 2. STEVAL-IFP044V1 expansion board: digital interface components

The four Arduino UNO R3 connectors:

•allow expansion board communication with the STM32 Nucleo development board microcontroller accessing

STM32 peripheral and GPIO resources;

• provide digital supply voltage between the STM32 Nucleo development board and the STEVAL-IFP044V1

expansion board, in either direction.

Normally, the STM32 Nucleo development board supplies the expansion board by a 3v3 or 5v0 generated by the

USB. You can select the preferred voltage on the expansion board via SW3 (3v3 closing pins 1-2; 5v0 closing

pins 2-3).

Alternatively, it is possible to supply the STM32 Nucleo development board by the expansion board. In this

case, an external supply voltage (7-12 V) should be connected CN2 connector (not mounted by default) on the

expansion board and the ground loop should be closed by mounting D2 (enable the reverse polarity protection) or

by closing J17 (without reverse polarity).

To supply the VIN voltage rail is necessary to:

• close jumper JP5 between pins 2 and 3 and open jumper JP1 on the NUCLEO-F401RE

• open jumper JP5 between pins 1 and 2 and close jumper JP5 between pins 3 and 4 on the NUCLEO-

G431RB

UM3050

Overview

UM3050 - Rev 1 page 3/17

1.1.2 Power section

The power section involves the power supply voltage (CN1, pin 2 and 3 for VCC, pin 4 for GND), load connection

(between CN1 pins 1-4 and CN1 pins 5-4) and electromagnetic compatibility (EMC) protection.

Figure 3. STEVAL-IFP044V1 expansion board: power stage components

1. Output channel 1 - fault red LED

2. Output channel 2 - fault red LED

3. Output channel 1 - green LED

4. Output channel 2 - green LED

5. IPS2050HQ-32

6. Output and power supply connector

For EMC:

•The SM15T39CA transient voltage suppressor (TR1), enabled by closing JP3, is placed between VCC and

GND tracks to protect the IPS2050HQ-32 against surge discharge on the supply rail path up to ±1kV/2Ω

coupling;

• in common mode surge testing, two single-layer capacitors (C1 and C2 - not included) must be soldered at

the predisposed locations;

• the IPS2050HQ-32 output stages do not require additional EMC protections with respect to the

IEC61000-4-2, IEC61000-4-3, IEC61000-4-5 standards.

UM3050

Overview

UM3050 - Rev 1 page 4/17

1.2 Hardware requirements

The STEVAL-IFP044V1 expansion board is designed to be used with the NUCLEO-F401RE or NUCLEO-

G431RB STM32 Nucleo development boards.

To function correctly, the STEVAL-IFP044V1 must be plugged onto the matching Arduino UNO R3 connector pins

on the STM32 Nucleo board as shown below.

Figure 4. STEVAL-IFP044V1 and STM32 Nucleo stack

1.3 System requirements

To use the STM32 Nucleo development boards with the STEVAL-IFP044V1 expansion board, you need:

• a Windows PC/laptop (Windows 7 or above)

• a type A to mini-B USB cable to connect the STM32 Nucleo board to the PC when using a NUCLEO-

F401RE development board

• a type A to micro-B USB cable to connect the STM32 Nucleo board to the PC when using a NUCLEO-

G431RB development board

• the X-CUBE-IPS firmware and software package installed on your PC/laptop

1.4 Board setup

Step 1. Connect the micro-USB or mini/USB cable to your PC to use the STEVAL-IFP044V1 with NUCLEO-

F401RE or NUCLEO-G431RB development board

UM3050

Hardware requirements

UM3050 - Rev 1 page 5/17

Step 2. Download the firmware (.bin or .hex) onto the STM32 Nucleo development board microcontroller

through STM32 ST-LINK utility, STM32CubeProgrammer and according to your IDE environment as

detailed in the table below.

Table 1. NUCLEO-F401RE development board supported IDEs - bin files

NUCLEO-F401RE

IAR Keil STM32CubeIDE

EWARM-OUT03_04-

STM32F4xx_Nucleo.bin

MDK-ARM-OUT03_04-

STM32F4xx_Nucleo.bin

STM32CubeIDE-OUT03_04-

STM32F4xx_Nucleo.bin

Table 2. NUCLEO-G431RB development board supported IDEs - bin files

NUCLEO-G431RB

IAR Keil STM32CubeIDE

EWARM-OUT03_04-

STM32G4xx_Nucleo.bin

MDK-ARM-OUT03_04-

STM32G4xx_Nucleo.bin

STM32CubeIDE-OUT03_04-

STM32G4xx_Nucleo.bin

Note: The binary files listed in the tables above are included in the X-CUBE-IPS software package. The

STEVAL-IFP044V1 is fully compatible with the X-NUCLEO-OUT04A1.

Step 3. Connect the IPS2050HQ-32 device supply voltage via CN1 (see Section 1.1.2 Power section).

Step 4. Provide the digital supply voltage (see Section 1.1.1 Digital section).

Step 5. Connect the load on the output connector (see Section 1.1.2 Power section).

Step 6. Reset the example sequence by pushing the black button on the STM32 Nucleo board.

Step 7. Push the blue button on STM32 Nucleo board to choose among the examples provided in the default

firmware package.

1.5 Multiple board configuration

It is also possible to evaluate an eight channel digital output module by stacking four STEVAL-IFP044V1 with

shared or independent supply rail and independent loads.

In this case, the four expansion boards (board 0, 1, 2, 3 as shown in the table below) must be properly configured:

for board 1, 2 and 3, it is necessary to unsolder four resistors for each board from the default position and solder

them back in the alternate positions according to the following table.

Table 3. Configuration of a stack of four expansion boards

Board no. IN1 IN2 FLT1 FLT2

Board 0 R101 R102 R103 R104

Board 1 R131 R132 R133 R134

Board 2 R111 R112 R113 R114

Board 3 R121 R122 R123 R124

Important: When using Board 2 and Board 3, two jumpers must close the morpho connectors pins in the STM32 Nucleo

board:

•CN7.35-36 closed

• CN10.25-26 closed

UM3050

Multiple board configuration

UM3050 - Rev 1 page 6/17

2Schematic diagrams

Figure 5. STEVAL-IFP044V1 circuit schematic (1 of 2)

PB6

PA8

PB9

PA7

PB4

PA9

ALTERNATE USE

GND

OUT1

DEFAULT

Alternate Nucleo Supply

7V - 12 V

Arduino Connectors

PA5

ALTERNATE USE

(7V-12V NUCLEO supply voltage)

default open

PA3

ALTERNATE USE

PC7

PC0

default open

PB5

PB0

PB3

OUT2

PB10

ALTERNATE USE

DEFAULT

ALTERNATE USE

PA2

Analog supply

8V - 60 V

PA1

PA0

ALTERNATE USE

VCC

ALTERNATE USE

DEFAULT

PC1

ALTERNATE USE

PB8

VCC

Morpho Connectors

(N.M.)

PA6

PA4

default open

PA10

OUT1

ALTERNATE USE

VCC

OUT2

IN1

IN2

FLT1

FLT2

3v3 5v0

R114 100R N.M.

CN5

R132 100R N.M.

R124 100R N.M.

TR1

SM15T39CA

R123

4.7nF/3kV(N.M)

100R N.M.

R131 100R N.M.

R103 100R

CN10

CON38

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

J17

CN7

4.7nF/3kV(N.M)

CON38

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

R104 100R

R122

100R N.M.

R102 100R

C13

N.M.(100uF)

CN8

TR2

ESDA15P60-1U1M (N.M.)

CN6

R111 100R N.M.

CN1

CON5

2.2uF/100V

R112 100R N.M.

CN2

CON2 (N.M.)

R113 100R N.M.

R133 100R N.M.

2 1

R121

BAT48JFILM (N.M.)

100R N.M.

R134 100R N.M.

CN9

D1 STPS1H100A

R101 100R

EARTH

FLT1 D15

IOREF FLT1 D14

NRST AVDD

3V3

5V D13 VIN

GND D12

GND D11

VIN IN1 D10

IN1 D9

IN1

IN1 D7 IN2

FLT2 D6

A0 IN2 FLT2 D5 FLT1

A1 FLT1 IN2 D4

A2 IN1 IN2 D3 FLT2

A3 FLT2 FLT1 D2

A4 FLT2 D1

A5 IN2 D0

UM3050 - Rev 1 page 7/17

UM3050

Schematic diagrams

Figure 6. STEVAL-IFP044V1 circuit schematic (2 of 2)

IPD2

default:

closed

default:

IPD1

CLOSE 1-2

default:

CLOSE 1-2

default:

CLOSE 1-2

IN2

IN1

FLT1

default: closed

default:

IN2

CLOSE 1-2

default:

default: close 1-23

closed

FLT2

default: open

default: closed

default: open

VCC

default: closed

IN1

OUT1

FLT1

OUT2

FLT2

IN2

3v3

5v0

27k

R13 2.2k

1 2

390

470nF

27k

J11

1 2

SW4

1 2

3 4

5 6

47nF

390

R16

J12

TP2

0.47nF

TP3

R17

ISO1

TP1

DR1

RED LED

SW1

J10

100nF/100V

1 2

ISO3

1 2

3 4

5 6

TP5

100nF/100V

SW5

R14

10k

R15

10k

22k

R10

10k

J13

1 2

DG1 GREEN LED

ISO2

R7 22k

10k

DR2

RED LED

R18 2.2k

C12

470nF

ISO4

22k

TP4

SW3

FLT2

IPS2050HQ-32

17 OUT_17

18 OUT_18

19 OUT_19

20 OUT_20

21 OUT_21

22 OUT_22

23 OUT_23

24 OUT_24 35

OUT_35

OUT_36

OUT_37

OUT_38

OUT_39

OUT_40

IPD1 48

IN1

GND 6

FLT1 46

OUT_41

OUT_42

49 Exp-VCC

IPD2

IN2

C11

47nF

SW2

R11

DG2 GREEN LED

C10

0.47nF

R12

R8 22k

VCC

OUT1

OUT2

UM3050 - Rev 1 page 8/17

UM3050

Schematic diagrams

3Bill of materials

Table 4. STEVAL-IFP044V1 bill of materials

Item Q.ty Ref. Part/Value Description Manufacturer Order code

1 1 U1 IPS2050HQ-32, QFN48L

8x6 mm Dual HS IPS ST IPS2050HQ-32

2 1 CN1 5 ways, 1 row, TH 5mm, 24

AConnector WURTH 691137710005

3 C1,C2 N.A. 4.7nF, 1825, 3k V Capacitors Vishay HV1825Y472KXHATHV

3 1 TR1 SM15T39CA, SMC 1500 W, 33.3 V TVS in

SMC ST SM15T39CA

4 1 D1 STPS1H100A, SMA 100 V, 1 A power

Schottky rectifier ST STPS1H100A

5 10

J1, J2, J3,

J4, J5, J6,

J7, J12, J13

J17

TH 2.54mm 2 ways, 1 row WURTH 61300211121

6J10, J11

N.A. TH 2.54mm Jumpers - -

7 2 C4, C5 100nF, 0805, 100 V Capacitors WURTH 885012207128

8 1 C6 2.2uF, 1206, 100 V Capacitor AVX 12061C225KAT2A

9 2 C7, C10 470pF, 0603, 16 V Capacitors WURTH 885012206032

10 2 C8, C11 47nF, 0603, 16 V Capacitors WURTH 885012206044

11 2 C9, C12 470nF, 0603, 25 V Capacitors WURTH 885012206075

12 C13 N.A. 100uF, TH, 100 V Capacitor - -

13 4 ISO1, ISO2

ISO3, ISO4

TLP383, 11-4P1A, VCE =

80V VISO=5k V OPTOCOUPLER TOSHIBA

WURTH TLP383 140100146000

14 2 R1, R2 27kΩ, 0603, 0.1 W Resistors MULTICOMP MCMR06X2702FTL

15 2 R3, R4 22kΩ, 0603, 0.1 W Resistors VISHAY CRCW060322K0FKEA

16 2 R5, R6 390Ω, 0603, 0.1 W Resistors YAGEO RC0603FR-07390RL

17 2 DG1, DG2 150060GS75000, 0603 Green LED WURTH 150060GS75000

18 2 R7, R8 22kΩ, 0603, 0.2 W Resistors TE-CONN CRGH0603J22K

19 2 DR1, DR2 150060RS75000, 0603 RED LED WURTH 150060RS75000

20 2 J8, J9 SMD 2.54mm 6 ways, 2 rows

connector WURTH 61030621121

21 4 R9, R10,

R14, R15 10kΩ, 0603, 0.1 W, ±1 % Resistors Bourns CR0603-FX-1002ELF

22 4 R11, R12,

R16, R17 0Ω, 0603, 0.1 W Resistors MULTICOMP MCWR06X000 PTL

23 2 R13, R18 2.2kΩ, 0603, 0.1 W Resistors MULTICOMP MCMR06X2201FTL

24 4 R101, R102,

R103, R104 100Ω, 0603, 0.1 W, ±0.5 % Resistors Panasonic ERJ3BD1000V

R111, R121,

R131 R112,

R122, R132

R113, R123,

R133 R114,

R124, R134

N.A.

100Ω, 0603 Resistors - -

UM3050

Bill of materials

UM3050 - Rev 1 page 9/17

Item Q.ty Ref. Part/Value Description Manufacturer Order code

26 5

SW1, SW2,

SW3, SW4,

SW5

SMD 2.54mm 3 ways, 1 row TE-CONN 1241150-3

27 1 CN2 TH 5mm 2 ways, 1 row WURTH 691137710002

28 D2 N.A. BAT48JFILM, SOD-323, 40

V, 0.35 A

VDD reverse polarity

protection ST BAT48JFILM

29 TR2 N.A. ESDA15P60-1U1M, QFN-2L High-power transient

voltage suppressor ST ESDA15P60-1U1M

30 1 CN5 TH 2.54mm 10 ways, 1 row SAMTEC

4UCON ESQ-110-14-T-S 17896

31 2 CN6, CN9 TH 2.54mm 8 ways, 1row SAMTEC

4UCON ESQ-108-14-T-S 15782

32 1 CN8 TH 2.54mm 6 ways, 1 row SAMTEC

4UCON ESQ-106-04-T-S 15781

33 CN7, CN10

N.A. TH 2.54mm Connectors SAMTEC ESQ-119-14-T-D

34 5

TP1, TP2,

TP3, TP4,

TP5

TH d = 1mm Test point RS 262-2034

UM3050

Bill of materials

UM3050 - Rev 1 page 10/17

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