ST UM2727 Manuale utente

Introduction

The X-NUCLEO-OUT03A1 industrial digital output expansion board for STM32 Nucleo provides a powerful and flexible

environment for the evaluation of the driving and diagnostic capabilities of the IPS2050H (dual high-side smart power solid

state relay) in a digital output module connected to 2.5 A (max.) industrial loads.

The X-NUCLEO-OUT03A1 interfaces 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 X-NUCLEO-OUT03A1 expansion boards.

As an example, a system with four X-NUCLEO-OUT03A1 expansion boards allows you to evaluate an eight-channel digital

output module with 2.5 A (max.) capability each.

Figure 1. X-NUCLEO-OUT03A1 expansion board

RELATED LINKS

For further details on configuration resistors, refer to UM2863

Getting started with X-NUCLEO-OUT03A1 industrial digital output expansion

board for STM32 Nucleo

UM2727

User manual

UM2727 - Rev 1 - August 2021

For further information contact your local STMicroelectronics sales office.

www.st.com

1Getting started

1.1 Overview

The X-NUCLEO-OUT03A1 embeds the IPS2050H 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.

• Based on IPS2050H dual high-side switch, which features:

– Operating range up to 60 V/2.5 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 protection

– PSSO24 package

• Application board operating range: 8 to 33 V/0 to 2.5 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

• EMC compliance with IEC61000-4-2, IEC61000-4-3, IEC61000-4-5

• Compatible with STM32 Nucleo development boards

• Equipped with Arduino UNO R3 connectors

• CE certified

• RoHS and China RoHS compliant

UM2727

Getting started

UM2727 - Rev 1 page 2/15

1.1.1 Digital section

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

OUT03A1 expansion board.

Figure 2. X-NUCLEO-OUT03A1 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 X-NUCLEO-

OUT03A1 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

UM2727

Overview

UM2727 - Rev 1 page 3/15

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. X-NUCLEO-OUT03A1 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. IPS2050H

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 IPS2050H 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 IPS2050H output stages do not require additional EMC protections with respect to the IEC61000-4-2,

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

UM2727

Overview

UM2727 - Rev 1 page 4/15

1.2 Hardware requirements

The X-NUCLEO-OUT03A1 expansion board is designed to be used with the NUCLEO-F401RE or NUCLEO-

G431RB STM32 Nucleo development boards.

To function correctly, the X-NUCLEO-OUT03A1 must be plugged onto the matching Arduino UNO R3 connector

pins on the STM32 Nucleo board as shown below.

Figure 4. X-NUCLEO-OUT03A1 and STM32 Nucleo stack

1.3 System requirements

To use the STM32 Nucleo development boards with the X-NUCLEO-OUT03A1 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-OUT3 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 X-NUCLEO-OUT03A1 with NUCLEO-

F401RE or NUCLEO-G431RB development board

UM2727

Hardware requirements

UM2727 - Rev 1 page 5/15

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

Step 3. Connect the IPS2050H 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 X-NUCLEO-OUT03A1 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

UM2727

Multiple board configuration

UM2727 - Rev 1 page 6/15

2Schematic diagrams

Figure 5. X-NUCLEO-OUT03A1 circuit schematic (1 of 2)

R134100R N.M.

IN1

R131100R N.M.

VCC

IN1

ALTERNATE USE

ST morpho connectors (N.M.)

R102100R

PB5

ALTERNATE USE

2.2uF/100V

R133100R N.M.

R123100R N.M.

TR2

ESDA15P60-1U1M (N.M.)

PA6

PA8

VCC

NRST

R121100R N.M.

PA2

PB9

ALTERNATE USE

BAT48JFILM (N.M.)

18 17

D10

D12

SM15T39CA

IN1

TR1

FLT2

CN1

CON5

IN2

R104100R

ALTERNATE USE

CN9

PC1

PA7

GND

FLT1

DEFAULT

IN1

OUT2

R114100R N.M.

2 1

VIN

IOREF

R113100R N.M.

CN2

CON2 (N.M.)

CN5

D1STPS1H100A

ALTERNATE USE

PB6

PB0

PB4

default open

3v3

FLT2

PA4

FLT1

R112100R N.M. IN2

J17

OUT1

4.7nF/3kV(N.M)

FLT2

DEFAULT

D11

DEFAULT

ALTERNATE USE

OUT2

FLT1

5v0

IN2

D13

R124100R N.M.

R132100R N.M.

VIN

default open

(7V-12V NUCLEO supply voltage)

R122100R N.M.

D14

FLT1

FLT2

FLT1

D15

IN2

PA3

PA1

PC7

PB10

R103100R

IN2

GND

C13

N.M.(100uF)

FLT1

4.7nF/3kV(N.M)

Alternate Nucleo supply

7 V - 12 V

DEFAULT

ALTERNATE USE

PB8

ALTERNATE USE

GND

PA10

OUT1

FLT2

3V3

CN6

CN10

CON38

IN2

R101100R

AVDD

EARTH

PA9

PC0

PA0

PA5

PB3

IN1

VCC

default open

R111100R N.M.

Analog supply

8 V - 60 V

Arduino connectors

CN7

CON38

CN8

UM2727 - Rev 1 page 7/15

UM2727

Schematic diagrams

Figure 6. X-NUCLEO-OUT03A1 circuit schematic (2 of 2)

OUT1

R132.2k

TP1

100nF/100V

470nF

R15

10k

SW4

R722k

IN1

SW1

R822k

ISO3

TLP383

SW5

0.47nF

OUT2

TP5

27k

SW3

J13

J12

100nF/100V

ISO1

TLP383

R11

J14

DG2GREEN LED

OUT2

IPD1

FLT1

IN1

FLT2

R10

10k

VCC

470nF

C12

0.47nF

C10

default:

closed

default: closed

default:

CLOSE 1-2

default:

CLOSE 1-2

22k

ISO4

TLP383

IN2

27k

ISO2

TLP383

R16

J11

390

5v0

J10

R17

RED LED

SW2

TP3

IPD2

default:

closed

default: open

OUT1

10k

C11

47nF

FLT2

R14

10k

DR1

1 2

IN2

default: open

default: closed

default:

CLOSE 1-2

default: close 1-23

default: closed

default:

CLOSE 1-2

IN2

TP2

TP4

DG1GREEN LED

3v3

47nF

VCC

R182.2k

FLT1

22k

RED LED

DR2

R12

VCC

PSSO24

390

100nF/100V

UM2727 - Rev 1 page 8/15

UM2727

Schematic diagrams

3Bill of materials

Table 4. X-NUCLEO-OUT03A1 bill of materials

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

1 1 U1 IPS2050H PSSO24

Dual high-side

smart power solid

state relay

ST IPS2050H-TR

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

mm Connector WURTH 691137710005

3 0 C1,C2 4.7 nF 3kV 1825 Connectors (not

mounted) Vishay HV1825Y472KXHATHV

4 1 TR1

1.5 kW

Vbr = 39 V

Vcl = 53.9 V

SMC

1500 W, 33.3 V

TVS in SMC ST SM15T39CA

5 1 D1 1 A, 100 V SMA 100 V, 1 A power

Schottky rectifier ST STPS1H100A

6 11

J1, J2, J3, J4,

J5, J6, J7, J12,

J13, J14 J17

2 ways, 1 row TH 2.54

mm Jumpers WURTH 61300211121

7 0 J10, J11 TH 2.54 mm Jumpers (not

mounted) Any Any

8 3 C3, C4, C5 100 nF 100 V 0805 X7R Capacitors WURTH 885012207128

9 1 C6 2.2 µF 100 V 1206 X7R Capacitor AVX 12061C225KAT2A

10 2 C7, C10 470pF 16V 0603 X7R Capacitors WURTH 885012206032

11 2 C8, C11 47nF 16V 0603 X7R Capacitors WURTH 885012206044

12 2 C9, C12 470nF 25V 0603 X7R Capacitors WURTH 885012206075

13 0 C13 Capacitor (not

mounted) Any Any

14 4 ISO1, ISO2

ISO3, ISO4

VCE = 80V VISO=5kV

11-4P1A Optocouplers

TOSHIBA TLP383

WURTH 140100146000

15 2 R1, R2 27 kΩ 0.1 W 0603 Resistors MULTICOMP MCMR06X2702FTL

16 2 R3, R4 22 kΩ 0.1 W 0603 Resistors VISHAY CRCW060322K0FKEA

17 2 R5, R6 390 Ω 0.1 W 0603 Resistors YAGEO RC0603FR-07390RL

18 2 DG1, DG2 150060GS75000 Green LEDs WURTH 150060GS75000

19 2 R7, R8 22 kΩ 0.2 W 0603 Resistors TE-CONN CRGH0603J22K

20 2 DR1, DR2 150060RS75000 Red LEDs WURTH 150060RS75000

21 2 J8, J9 6 ways, 2 rows connector

SMD 2.54 mm Jumpers WURTH 61030621121

22 4 R9, R10, R14,

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

23 4 R11, R12, R16,

R17 0Ω 0.1W 0603 Resistors MULTICOMP MCWR06X000 PTL

24 2 R13, R18 2.2kΩ 0.1W 0603 Resistors MULTICOMP MCMR06X2201FTL

25 4 R101, R102,

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

UM2727

Bill of materials

UM2727 - Rev 1 page 9/15

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

26 0

R111, R121,

R131 R112,

R122, R32 R113,

R123, R133

R114, R124,

R134

603 Resistors (not

mounted) Any Any

27 5 SW1, SW2,

SW3, SW4, SW5

3 ways, 1 row SMD 2.54

mm Connectors TE-CONN 1241150-3

28 1 CN2 2 ways, 1 row TH 5mm Connector WURTH 691137710002

29 0 D2 (DNM) 0.35 A, 40 V SOD-323

General purpose

signal Schottky

diode

ST BAT48JFILM

30 0 TR2

1200 W

Vbr = 6.8 V

Vcl = 10.2 V

1610

High power

transient voltage

suppressor

ST ESDA15P60-1U1M

31 1 CN5 10 ways, 1 row TH 2.54

mm Connector

SAMTEC ESQ-110-14-T-S

4UCON 17896

32 2 CN6, CN9 8 ways, 1 row TH 2.54

mm Connectors

SAMTEC ESQ-108-14-T-S

4UCON 15782

33 1 CN8 6 ways, 1 row TH 2.54

mm Connector

SAMTEC ESQ-106-04-T-S

4UCON 15781

34 0 CN7, CN10 TH 2.54 mm Connectors (not

mounted) SAMTEC ESQ-119-14-T-D

35 5 TP1, TP2, TP3,

TP4, TP5 TH d = 1mm Test points RS 262-2034

36 18 2.54 mm Jumper WURTH 60900213421

UM2727

Bill of materials

UM2727 - Rev 1 page 10/15

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