ST X-NUCLEO-OUT11A1 Manuale utente
Introduction
The X-NUCLEO-OUT11A1 is an industrial digital output expansion board for 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 X-NUCLEO-OUT11A1 directly interfaces with the microcontroller on the STM32 Nucleo driven by GPIO pins and Arduino®
R3 connectors.
The galvanic isolation between the microcontroller and the process stage is guaranteed by the ISO808.
The expansion board can be connected to either a NUCLEO-F401RE or a NUCLEO-G431RB development board.
It is also possible to evaluate a system composed of a X-NUCLEO-OUT11A1 stacked on other expansion boards.
Figure 1. X-NUCLEO-OUT11A1 expansion board
Getting started with the X-NUCLEO-OUT11A1 industrial digital output expansion
board for STM32 Nucleo
UM3079
User manual
UM3079 - Rev 1 - December 2022
For further information contact your local STMicroelectronics sales office. www.st.com
1Getting started
1.1 Overview
The X-NUCLEO-OUT11A1 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 2k 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
– PowerSO36 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
UM3079
Getting started
UM3079 - 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
X-NUCLEO-OUT11A1 expansion board.
Figure 2. X-NUCLEO-OUT11A1 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 board microcontroller
accessing the STM32 peripheral and GPIO resources;
• provide the digital supply voltage between the STM32 Nucleo development board and the X-NUCLEO-
OUT11A1 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 by 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 X-NUCLEO-OUT11A1, 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 X-NUCLEO-OUT11A1, the pins 1 and 2 of J4 must be closed (pins 5-6
open).
UM3079
Digital section
UM3079 - 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. X-NUCLEO-OUT11A1 expansion board: power section components
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 X-NUCLEO-OUT11A1 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
UM3079
Power section
UM3079 - Rev 1 page 4/19
1.4 Hardware requirements
The X-NUCLEO-OUT11A1 expansion board is designed to be used with the NUCLEO-F401RE or NUCLEO-
G431RB STM32 Nucleo development boards.
To function correctly, the X-NUCLEO-OUT11A1 must be plugged onto the matching Arduino® UNO R3 connector
pins on the STM32 Nucleo board as shown below.
Figure 4. X-NUCLEO-OUT11A1 and STM32 Nucleo stack
1.5 System requirements
To use the STM32 Nucleo development boards with the X-NUCLEO-OUT11A1 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
UM3079
Hardware requirements
UM3079 - 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 X-NUCLEO-OUT11A1 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 your IDE environment as detailed in
the table below.
The X-NUCLEO-OUT11A1 must be configured coherently to the selected control mode for ISO808-1:
J1 and J2 open (synchronous) or J1 and J2 closed (direct).
The binary files provided with the X-CUBE-IPS software package are generated by enabling the
synchronous control mode. The user can anyway set the preferred control mode by using the
preprocessor directive USE_SCM (for synchronous) or USE_DCM (for direct). The modification to
control mode becomes effective on the binary files after rebuilding.
Table 1. NUCLEO-F401RE development board supported IDEs - bin files
NUCLEO-F401RE
IAR Keil STM32CubeIDE
EWARM-OUT11_13-
STM32F4xx_Nucleo.bin
MDK-ARM-OUT11_13-
STM32F4xx_Nucleo.bin
STM32CubeIDE-OUT11_13-
STM32F4xx_Nucleo.bin
Table 2. NUCLEO-G431RB development board supported IDEs - bin files
NUCLEO-G431RB
IAR Keil STM32CubeIDE
EWARM-OUT11_13-
STM32G4xx_Nucleo.bin
MDK-ARM-OUT11_13-
STM32G4xx_Nucleo.bin
STM32CubeIDE-OUT11_13-
STM32G4xx_Nucleo.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.
UM3079
Board setup
UM3079 - Rev 1 page 6/19
2Schematic diagrams
Figure 5. X-NUCLEO-OUT11A1 circuit schematic (1 of 2)
Analog supply
10V - 36 V
DEFAULT
Al t er nat e use
PC7
IOREF
PB10
DEFAULT
PA5
PA9
DEFAULT
PA8
PA0
Al t er nat e use
( 7V- 12V NUCLEO suppl y vol t age)
PA1 PB5
Al t er nat e use
PA7
PC0
DEFAULT
Morpho connectors
(not mounted)
PA10
DEFAULT
PB3
Arduino connectors
Al t er nat e use
PA3
PC1
PB0
PA4
Al t er nat e use
PB9
PB8
AVDD
PB4
Al t er nat e use
PA2
NRST
PA6
DEFAULT
PB6
DEFAULT
DEFAULT
DEFAULT
Al t er nat e use
Al t er nat e use
DEFAULT
DEFAULT
DEFAULT
I SO808 direct supply voltage
- s et to max 3.3V
when X-NUCLEO-OUT11A1 is used with NUCLEO board
- can be set to max 5.5V
when X-NUCLEO-OUT11A1 is used stand-alone
VCC
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
STATUS
OUT_EN
SYNCH
LOAD
3v3 5v0
EXT_Vdd
,
R101 100
R106 100 N.M.
R103 100 N.M.
R118 100
TP8
5001
C11
4700pF
N.M.
R117 100 N.M.
CN1
691214110002
1
2
J9
default closed
CN8
SSQ-106-04-F-S
1
2
3
4
5
6
R112 100
CN11
691214110003
N.M.
1
2
3
C10
2.2uF
R109 100
U3
ESDA15P60-1U1M
N.M.
+
C9
47uF
N.M.
12
C12
4700pF
N.M. CN2
691214110002
1
2
U2
SM15T39CA
12
R102 100
R107 100 N.M.
CN5
SSQ-110-04-F-S
1
2
3
4
5
6
7
8
9
10
R104 100 N.M.
J5
JUMPER-con2-strip-male
N.M. default open
R119 100
R120 100 N.M.
CN4
691214110002
1
2
R113 100
D12
ESDA7P60-1U1M
N.M.
CN9
SSQ-108-04-F-S
1
2
3
4
5
6
7
8
R110 100
CN3
691214110002
1
2
R108 100
R105 100 N.M. D2 BAT48JFILM
N.M.
R116 100
CN6
SSQ-108-04-F-S
1
2
3
4
5
6
7
8
CN12
691214110002
1
2
R115 100 N.M.
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
R114 100
R111 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
J10
default open
D1 STPS1H100A
EARTH
STATUS
STATUS
3V3
5V
VIN
IN1
IN2
IN1
IN2
IN3
IN3
IN4
IN4
OUT_EN IN5
IN5
OUT_EN IN6
SYNCH IN7
IN6
SYNCH IN8
LOAD
IN7
LOAD
IN8
STATUS
OUT_EN
SYNCH
LOAD
VIN
UM3079 - Rev 1 page 7/19
UM3079
Schematic diagrams
Figure 6. X-NUCLEO-OUT11A1 circuit schematic (2 of 2)
def aul t :
cl ose 1- 2, 3- 4, 5- 6, 7- 8 def aul t :
cl ose 1- 2, 3- 4, 5- 6, 7- 8
VCC
OUT1OUT_EN
SYNCH OUT2
LOAD
IN1 OUT3
IN2
IN3 OUT4
IN4
IN5 OUT5
IN6
IN7 OUT6
IN8
OUT7
OUT8
STATUS
EXT_Vdd
3v3
R10 390
C4 10nF
R22 22k
C21 100pF
R28
15k
C26
0.1uF
C19 100pF
R1 390
C3 10nF
R21 22k
C13
0.1uF
R9 390
C2 10nF
C1 10nF
R27
15k
R8 390
R20 22k
D15
LED YELLOW
AC
R26
15k
C22 100pF
J3
con6-2x3-strip-male
default: close 1-2, 5-6
1 2
3 4
5 6
R7 390
D4
LED GREEN AC
D3
LED GREEN AC
C16 100pF
D6
LED GREEN AC
J6
con8-2x4-strip-male
12
34
56
78
R25
15k
R6 390
D8
LED GREEN AC
D9
LED GREEN AC
U1
ISO808
1NC1
2Vdd
3OUT_EN
4SYNCH
5LOAD
6IN1
7IN2
8IN3
9IN4
10 IN5
11 IN6
12 IN7
13 IN8
14 FAULT
15 GNDdd
16 NC16
17 NC17
18 NC18 19
GNDcc
20
NC20
21
OUT8_2
22
OUT8_1
23
OUT7_2
24
OUT7_1
25
OUT6_2
26
OUT6_1
27
OUT5_2
28
OUT5_1
29
OUT4_2
30
OUT4_1
31
OUT3_2
32
OUT3_1
33
OUT2_2
34
OUT2_1
35
OUT1_2
36
OUT1_1
37
VCC_EP
D10
LED GREEN AC
D7
LED GREEN AC
C20 100pF
R5 390
J7
con8-2x4-strip-male
12
34
56
78
R15
1k
R19
15k
C23 100pF
C25
2.2uF
R14 22k
C14 100pF
D13
SMBJ5.0A-TR
R17
390
R18
15k
C17 100pF
R4 390
C8 10nF
J4
con6-2x3-strip-male
default: close 5-6
1 2
3 4
5 6
R24 22k
C18 100pF
R13 22k
J1
default open
J2
default open
C7 10nF
R30
15k
R3 390
R11 390
C6 10nF
C15 100pF
R23 22k
D5
LED GREEN AC
C24 100pF
R2 390
R12 22k
C5 10nF
R29
15k
D11
RED LED
AC
UM3079 - Rev 1 page 8/19
UM3079
Schematic diagrams
3Bill of materials
Table 3. X-NUCLEO-OUT11A1 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
UM3079
Bill of materials
UM3079 - 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
UM3079
Bill of materials
UM3079 - Rev 1 page 10/19
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