ST STEVAL-IFP041V1 Manuale utente

Introduction

The STEVAL-IFP041V1 is an industrial digital output expansion board based on ISO808 and compatible with STM32 Nucleo. It

provides a powerful and flexible environment for the evaluation of the driving and diagnostic capabilities of the ISO808 octal

high-side smart power solid state relay, with embedded galvanic isolation, in a digital output module connected to 0.7 A

industrial loads.

The STEVAL-IFP041V1 directly interfaces with the microcontroller on the STM32 Nucleo driven by GPIO pins and Arduino® R3

connectors, ensuring connectivity with either a NUCLEO-F401RE or a NUCLEO-G431RB development board.

The galvanic isolation between the microcontroller and the process stage is guaranteed by the ISO808.

It is also possible to evaluate a system composed of a STEVAL-IFP041V1 stacked on other expansion boards.

Figure 1. STEVAL-IFP041V1 expansion board

Industrial digital output expansion board based on ISO808 in TFQFPN32 package

UM3135

User manual

UM3135 - Rev 1 - October 2023

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

1 Getting started

1.1 Overview

The STEVAL-IFP041V1 embeds the ISO808 intelligent power switch (IPS), which features galvanic isolation,

overcurrent and overtemperature protection for safe output loads control.

The board is designed to meet the application requirements for the galvanic isolation between the user and power

interfaces.

The galvanic isolation embedded by the ISO808 satisfies this requirement, avoiding the necessity of external

optocouplers, with a consequent cost saving and a reduced application size.

The expansion board features:

• Based on the ISO808 octal high-side switch, which features:

– Operating range 9.2 to 36 V

– Low power dissipation (RON(MAX) = 260 mΩ)

– Process side operating current: up to 0.7 A per channel

– Embedded 2.5k VRMS galvanic isolation

– Direct (jitter < 20us) and synchronous (jitter < 6us) control modes

– Fast decay for inductive loads

– Undervoltage lock-out

– Overload and overtemperature protections

– Loss of ground protection

– TFQFPN32 package

• Application board process side operating range: 10 (J10 open) to 33 V (J9 closed)

• Extended operating range of process side from 9.2 (J10 closed) up to 36 V (J9 open)

• Application board logic side operating voltage 3.3 to 5 V

• Green LEDs for outputs on/off status (J6 and J7 close 1-2, 3-4, 5-6, 7-8)

• Red LED for common overheating and communication error diagnostic (J3 close 1-2)

• Yellow LED for output enable status signalization (J3 close 5-6)

• Direct control mode (J1, J2 closed)

• Synchronous control mode (J1, J2 open)

• Process and logic supply rails reverse polarity protections

• Compatible with STM32 Nucleo development boards

• Equipped with Arduino® UNO R3 connectors

• RoHS and China RoHS compliant

• CE certified

• Radiated emission: class B according to the standard EN 55032

UM3135

Getting started

UM3135 - Rev 1 page 2/19

1.2 Digital section

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

IFP041V1 expansion board.

Figure 2. STEVAL-IFP041V1 expansion board: digital interface section

The dotted green line indicates the whole digital interface section. The pink rectangles identify the Arduino® UNO

R3 connectors.

The four Arduino® UNO R3 connectors:

• allow the expansion board to communicate with the STM32 Nucleo development microcontroller board

accessing the STM32 peripheral and GPIO resources;

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

IFP041V1 expansion board, in either direction.

Usually, the STM32 Nucleo development board supplies the expansion board by a 3.3 V or 5.0 V generated by

the USB.

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

case, an external supply voltage (7-12 V) should be connected to the CN11 connector (not mounted by default)

on the expansion board and the ground loop should be closed by mounting D2 (enabling the reverse polarity

protection) or by closing J5 (without reverse polarity). In this scenario, the logic side of the ISO808 can be

supplied by the 3.3 V supply rail generated by the expansion board: in this case, on the STEVAL-IFP041V1, J4

must be closed between pins 5 and 6.

To supply the VIN voltage rail, it is necessary to:

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

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

NUCLEO-G431RB.

The pin 3 of the connector CN11 can be used to supply the logic side of the ISO808 independently by the

expansion board. In this case, on the STEVAL-IFP041V1, the pins 1 and 2 of J4 must be closed (pins 5-6 open).

UM3135

Digital section

UM3135 - Rev 1 page 3/19

1.3 Power section

The power section involves the power supply voltage (CN1, pin 1 for VCC, pin 2 for GND), the load connection

(eight loads can be connected between each pin of CN2, CN3, CN4, and CN12 and pin 2 of CN1), EMC

protections (U2), and supply reverse polarity protection (D1).

Figure 3. STEVAL-IFP041V1 expansion board: power section

1. ISO808

2. Output and power supply connector

3. Output channels - green LEDs

4. Status (overtemperature) red LED

5. Output Enable yellow LED

For EMC:

• the SM15T39CA transient voltage suppressor (U2), enabled by closing J9, is placed between VCC and

GND tracks to protect the ISO808 against surge discharge on the supply rail path up to ±1 kV/2 Ω coupling;

• in the common mode surge testing, two single-layer capacitors (C11 and C12 - not included) must be

soldered at the predisposed locations;

• the ISO808 output stages do not require additional EMC protections with respect to the IEC61000-4-2,

IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-8 standards.

The EMC performance of the STEVAL-IFP041V1 is detailed below:

• for emission (when the DC input port of the board is powered by an AC-DC, DC-DC or battery with a cable

that does not exceed a three-meter length), compliance with standards:

– EN IEC 61000-6-3:2021

– EN 55032:2015 +A1:2020

• for immunity, compliance with standards:

– EN IEC 61000-6-1:2019

– EN 55035:2017 +A11:2020

UM3135

Power section

UM3135 - Rev 1 page 4/19

1.4 Hardware requirements

The STEVAL-IFP041V1 expansion board is designed to be used with the NUCLEO-F401RE or NUCLEO-

G431RB STM32 Nucleo development boards.

To function correctly, the STEVAL-IFP041V1 must be plugged onto the matching Arduino® UNO R3 connector

pins on the STM32 Nucleo board as shown below.

Figure 4. STEVAL-IFP041V1 and STM32 Nucleo stack

1.5 System requirements

To use the STM32 Nucleo development boards with the STEVAL-IFP041V1 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

UM3135

Hardware requirements

UM3135 - Rev 1 page 5/19

1.6 Board setup

Step 1. Connect the mini-USB or micro-USB cable to your PC to use the STEVAL-IFP041V1 with NUCLEO-

F401RE or NUCLEO-G431RB development board

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

STM32 ST-LINK utility, STM32CubeProgrammer, and according to information detailed in the table

below.

The STEVAL-IFP041V1 can be used to control the ISO808 device in two different modes: Direct

Control Mode (DCM) and Synchronous Control Mode (SCM). The binary files provided with the X-

CUBE-IPS software package enable the user to choose the preferred control mode by selecting the

binary file contained in the proper example project Binary folder, as reported in the following table:

Table 1. Nucleo development boards binary files

Nucleo board Binary path

NUCLEO-F401RE

Projects\STM32F401RE-Nucleo\Examples\OUT011A1\DirectMode\Binary\DirectMode.bin

Projects\STM32F401RE-

Nucleo\Examples\OUT11A1\SynchronousMode\Binary\SynchronousMode.bin

NUCLEO-G431RB

Projects\STM32G431RB-Nucleo\Examples\OUT011A1\DirectMode\Binary\DirectMode.bin

Projects\STM32G431RB-

Nucleo\Examples\OUT011A1\SynchronousMode\Binary\SynchronousMode.bin

Step 3. Connect the ISO808 device supply voltage via CN1 (see Section 1.3 Power section).

Step 4. Provide the digital supply voltage (see Section 1.2 Digital section).

Step 5. Connect the load on the output connector (see Section 1.3 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 the STM32 Nucleo board to choose among the examples provided in the

default firmware package.

UM3135

Board setup

UM3135 - Rev 1 page 6/19

2 Schematic diagrams

Figure 5. STEVAL-IFP041V1 circuit schematic (1 of 2)

ISO808QTR direct supply voltage:

- set to max 3.3 V

when STEVAL-IFP041V1 is used with NUCLEO board

- can be set to max 5.5 V

when STEVAL-IFP041V1 is used stand-alone

( 7-12 V NUCLEO supply voltage )

Alternate use

Morpho connectors

(not mounted)

DEFAULT

Analog supply

10-36 V

DEFAULT

PA6

DEFAULT

Alternate use

PB8

PA8

PA4

PA5

PA3

I OREF

Arduino connectors

PA10

Alternate use

PB6

PC0

NRST

PB5

PB4

Alternate use PB9

DEFAULT

PB0

DEFAULT

PC7

PB3

DEFAULT

PA7

PA2

PA1

AVDD

PA0

Alternate use

PA9

PC1

PB10

Alternate use

DEFAULT

Alternate use

DEFAULT

VCC

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

IN1

IN2

IN3

IN4

IN5

IN6

IN7

IN8

STATUS

OUT_EN

SYNCH

LOAD

EXT_Vdd

3v3 5v0

R103 100 N.M.

JUMPER-con2-strip-male

N.M. default open

CN8

SSQ-106-04-F-S

C10

2.2uF

R114 100

C12

4700pF

N.M.

R111 100

CN10

SSQ-119-04-L-D

N.M.

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

CN5

SSQ-110-04-F-S

SM15T39CA

R117 100 N.M.

R104 100 N.M.

R120 100 N.M.

R106 100 N.M.

R102 100

CN7

SSQ-119-04-L-D

N.M.

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

D12

ESDA7P60-1U1M

N.M.

R115 100 N.M.

J10

default open

CN1

691214110002

CN4

691214110002

CN9

SSQ-108-04-F-S

R107 100 N.M.

R118 100

R112 100

default closed

47uF

N.M.

R109 100

CN6

SSQ-108-04-F-S

R101 100

R105 100 N.M.

C11

4700pF

N.M.

R113 100

CN12

691214110002

CN3

691214110002

CN2

691214110002

ESDA15P60-1U1M

N.M.

R119 100

R108 100

R116 100

R110 100

D2 BAT48JFILM

N.M.

TP8

5001

D1 STPS1H100A

CN11

691214110003

N.M.

EARTH

STATUS

3V3

VIN

IN1

IN2

VIN

IN1

IN2

IN3

IN4

IN5

IN3 IN6

IN4

OUT_EN IN5 IN7

OUT_EN IN6

SYNCH IN7 IN8

SYNCH IN8

LOAD STATUS

LOAD OUT_EN

SYNCH

LOAD

UM3135 - Rev 1 page 7/19

UM3135

Schematic diagrams

Figure 6. STEVAL-IFP041V1 circuit schematic (2 of 2)

OUT_EN

SYNCH

LOAD

IN1

IN2

IN3

IN4

IN5

IN6

IN7

IN8

STATUS

VCC

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

OUT3

OUT4

OUT5

OUT6

OUT7

OUT8

EXT_Vdd

3v3

R15

C6 10nF

R4 390

con8-2x4-strip-male

J6 default: close 1-2, 3-4, 5-6, 7-8

LED GREEN

R8 390

R27

15k

con6-2x3-strip-male

default: close 5-6

1 2

3 4

5 6

R1 390

C24 100pF

R10 390

R24 22k

C23 100pF

con6-2x3-strip-male

default: close 1-2, 5-6

1 2

3 4

5 6

C5 10nF

C2 10nF

C22 100pF

R28

15k

R12 22k

C21 100pF

R17

390

C20 100pF

R6 390

R20 22k

R29

15k

R9 390

C19 100pF

C3 10nF

R3 390

R13 22k

C18 100pF

default open

D13

SMBJ5.0A-TR

C17 100pF

C26

0.1uF

R7 390

default open

D10

LED GREEN

R21 22k

R30

15k

C25

2.2uF

R2 390

C1 10nF

C16 100pF

con8-2x4-strip-male

J7 default: close 1-2, 3-4, 5-6, 7-8

C4 10nF

R14 22k

C15 100pF

LED GREEN

R25

15k

C14 100pF

LED GREEN

R22 22k

R18

15k

LED GREEN

C8 10nF

LED GREEN

C7 10nF

R5 390

R26

15k

D15

LED YELLOW

ISO808QTR

Vdd 20

OUT_EN

SYNC

LOAD

IN1

IN2

IN3

IN4

IN5

IN6

IN7

IN8

FAULT

GND_dd

EP_GNDcc

GNDcc

NC#2

OUT8 4

OUT8 5

OUT7 6

OUT7 7

OUT6 8

OUT6 9

OUT5 10

OUT5 11

OUT4 12

OUT4 13

OUT3 14

OUT3 15

OUT2 16

OUT2 17

OUT1 18

OUT1 19

VCC EP

C13

0.1uF

LED GREEN

R11 390

D11

RED LED

R23 22k

R19

15k

UM3135 - Rev 1 page 8/19

UM3135

Schematic diagrams

3 Bill of materials

Table 2. STEVAL-IFP041V1 bill of materials

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

1 8 C1 C2 C3 C4

C5 C6 C7 C8

10nF 0603

(1608 Metric)

50V 10%

CAP CER

10000PF 50V

X7R 0603

Wurth

Electronics Inc. 885382206002

2 0 C9 47uF Radial,

Can 100V 20%

CAP 47 UF

20% 100 V (not

mounted)

Wurth

Electronics Inc. 860040875002

3 1 C10

2.2uF 1206

(3216 Metric)

100V 10%

CAP CER

2.2UF 100V

X7R 1206

AVX

Corporation 12061C225KAT2A

4 0 C11 C12

4700pF 1825

(4564 Metric)

3000V (3kV)

10%

CAP CER

4700PF 3KV

X7R 1825

Vishay Vitramon HV1825Y472KXHATHV

5 2 C13 C26

0.1uF 0805

(2012 Metric)

100V 10%

CAP CER

0.1UF 100V

X7R 0805

Würth

Elektronik 885012207128

6 11

C14 C15 C16

C17 C18 C19

C20 C21 C22

C23 C24

100pF 0402

(1005 Metric)

10V 5%

CAP CER

100PF 10V

C0G/NP0 0402

Wurth

Electronics Inc. 885012005013

7 1 C25

2.2uF 0402

(1005 Metric)

10V 20%

CAP CER

2.2UF 10V X5R

0402

Wurth

Electronics Inc. 885012105013

8 5 CN1 CN2 CN3

CN4 CN12

691214110002

7.4X7 pitch 3.5

TERM BLK

2POS SIDE

ENT 3.5MM

PCB

Wurth

Electronics Inc. 691214110002

9 1 CN5 10 ways, 1 row

CONN RCPT

10POS 0.1

GOLD PCB

SAMTEC

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

10 2 CN6 CN9 8 ways, 1row

CONN RCPT

8POS 0.1

GOLD PCB

SAMTEC

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

11 0 CN7 CN10

CONN RCPT

38POS 0.1

GOLD PCB (not

mounted)

Samtec Inc. SSQ-119-04-L-D

12 1 CN8 6 ways, 1 row

CONN RCPT

6POS 0.1

GOLD PCB

SAMTEC

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

13 0 CN11

691214110003

10.5X7.4 pitch

3.5mm

TERM BLK

3POS SIDE

ENT 3.5MM

PCB (not

mounted)

Wurth

Electronics Inc. 691214110003

14 1 D1

STPS1H100A

DO-214AC,

SMA 1A

DIODE

SCHOTTKY

100V 1A SMA

ST STPS1H100A

UM3135

Bill of materials

UM3135 - Rev 1 page 9/19

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

15 0 D2

BAT48JFILM

SC-76,

SOD-323

750mV @

200mA 350mA

(DC)

DIODE

SCHOTTKY

40V 350MA

SOD323 (not

mounted)

ST BAT48JFILM

16 8 D3 D4 D5 D6

D7 D8 D9 D10

LED GREEN

0603 (1608

Metric) 20mA

LED GREEN

CLEAR 0603

SMD

Wurth

Electronics Inc. 150060VS75000

17 1 D11

RED LED 0603

(1608 Metric)

20mA

LED RED

CLEAR 0603

SMD

Wurth

Electronics Inc. 150060RS75000

18 0 D12 ESDA7P60-1U1

M QFN-2L

TVS DIODE

5VWM 11.6VCL

1610 (not

mounted)

ST ESDA7P60-1U1M

19 1 D13

SMBJ5.0A-TR

DO-214AA,

SMB 600W

TVS DIODE 5V

13.4V SMB ST SMBJ5.0A-TR

20 1 D15

LED YELLOW

0603 (1608

Metric) 20mA

LED YELLOW

CLEAR 0603

SMD

Wurth

Electronics Inc. 150060YS75000

21 2 J1 J2 JUMPER-con2-

strip-male

JUMPER-

CONN

HEADER .100

STR 2POS

Wurth

Electronics Inc. 61300211121

22 1 J3 con6-2x3-strip-

male

CONN

HEADER .100

DUAL STR

6POS

Wurth

Electronics Inc. 61300621121

23 1 J4 con6-2x3-strip-

male

CONN

HEADER .100

DUAL STR

6POS

Wurth

Electronics Inc. 61300621121

24 0 J5 JUMPER-con2-

strip-male

JUMPER-

CONN

HEADER .100

STR 2POS

Wurth

Electronics Inc. 61300211121

25 2 J6 J7 con8-2x4-strip-

male

CONN

HEADER VERT

8POS 2.54MM

Wurth

Electronics Inc. 61300821121

26 2 J9 J10 JUMPER-con2-

strip-male

JUMPER-

CONN

HEADER .100

STR 2POS

Wurth

Electronics Inc. 61300211121

27 11

R1 R2 R3 R4

R5 R6 R7 R8

R9 R10 R11

390 0402 (1005

Metric) 0.1W,

1/0W 5%

CHIP

RESISTOR

SMD 5% 1/0W

0402

Panasonic ERJH2GJ391X

28 8

R12 R13 R14

R20 R21 R22

R23 R24

22k 0603 (1608

Metric) 0.1W,

1/10W 1%

RES SMD 22K

OHM 1% 1/10W

0603

Yageo RC0603FR-0722KL

29 1 R17

390 0603 (1608

Metric) 0.1W,

1/10W 1%

RES SMD 390

OHM 1% 1/10W

0603

Yageo RC0603FR-07390RL

30 1 R15

1k 0603 (1608

Metric) 0.1W,

1/10W 1%

RES SMD 1K

OHM 1% 1/10W

0603

Yageo RC0603FR-071KL

UM3135

Bill of materials

UM3135 - Rev 1 page 10/19

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