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Getting started with STEVAL-FSM01M1 safe digital I/O test board
Introduction
STEVAL-FSM01M1
is an industrial dual channel digital I/O board for safe automation. It provides a powerful test platform for
deep technical evaluation of ST's smart power ICs for factory automation and functional safety.
The PCB provides a digital interface compatible with STM32 Nucleo boards which is galvanically isolated from the power side
of the board using digital signal isolators including STISO621. The process side I/O section is based on a dual channel digital
input current limiter
CLT03-2Q3
with many other industrial-grade ST ICs which play the critical role in providing all the needed auxiliary functions like DC voltage
supply management (L7983, LDK220), onboard runtime condition monitoring ADC (ADC120) and other safety features and
protections.
STEVAL-FSM01M1 (PCB, board or module in the following text) provides a high-level of flexibility and testing options thanks to
a multi-level redundancy of its overall implementation. For example, the system protection scheme can be flexibly adapted in
several ways by simply modifying the assembly configuration of onboard components. This allows R&D engineers to optimize
and finetune design of the final product according to their exact application requirements already during the prototyping phase of
development.
The board can be operated either as a standalone evaluation testbed or it can be connected in combination with an STM32
Nucleo board to provide a complete evaluation ecosystem. An associated firmware package
www.st.com) provides routines to operate all functions of the PCB, plus it supports a simple user command interface allowing to
control the board interactively from PC. This firmware package for STM32 is compatible with
be adapted to run on any other STM32 Nucleo platform.
UM3175 - Rev 1 - May 2023
For further information contact your local STMicroelectronics sales office.
and Intelligent Power Switches
Figure 1.
STEVAL-FSM01M1
IPS160HF
and IPS161HF. These core ICs are accompanied
UM3175
User manual
STSW-FSM01
(available at
NUCLEO-F401RE
however, it can
www.st.com
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Summary of Contents for ST STEVAL-FSM01M1
- Page 1 IPS161HF. These core ICs are accompanied with many other industrial-grade ST ICs which play the critical role in providing all the needed auxiliary functions like DC voltage supply management (L7983, LDK220), onboard runtime condition monitoring ADC (ADC120) and other safety features and protections.
-
Page 2: Architecture
UM3175 Architecture Architecture Basic characteristics & features • Design with advanced robustness and safety • Flexible topology for agile electrical testing of onboard ICs • Operating range: 8V to 30V (optionally to 60V) • 2 digital outputs with current rating 2A (OUT1) resp. 0.5A (OUT2) •... -
Page 3: Description
ARDUINO® Uno V3 connectors the STEVAL-FSM01M1, in contrary, provides the base for the Nucleo board that is connected on top of it by means of its onboard ST morpho extension headers. Hence the microcontroller pins and peripherals handling the operation of the... -
Page 4: Digital Interface And Galvanic Isolation
All electrical features of STEVAL-FSM01M1 are accessible through its digital interface provided by STM32 Nucleo compatible onboard ST morpho extension headers CN7 and CN10. These two connectors bring access to the two onboard user LEDs as well as to the complete functionality on the galvanically isolated process side. Pin mapping... -
Page 5: Figure 4. Process Interface Connector And Testpoints
Figure 4. Process interface connector and testpoints To allow easy system function testing and laboratory measurements the STEVAL-FSM01M1 contains a set of onboard testpoints which provide measuring access to all the key voltage nodes in the system (power supply voltage, logic section supply and digital I/O status and diagnostics). These testpoints are also shown in Figure 1.3.2.2... -
Page 6: Figure 5. Pcb Components Distribution
5. Complete schematics of the PCB as well as all the other associated documentation and firmware is available on the STEVAL-FSM01M1 dedicated webpage at st.com. In the following sections we will describe the particular function blocks and their application more in detail. -
Page 7: Application
UM3175 Application Application The main purpose of industrial digital I/Os is interfacing with binary sensors and actuators in environments like factory automation, home & building automation technology and many other application segments like transportation infrastructure, agriculture machines or automatic PoS systems. Digital I/Os play the key role on the technological background. -
Page 8: User Leds
UM3175 User controllable IC features 2.1.1 User LEDs The PCB features two onboard LEDs D12 and D13 located on the digital side (see Figure 7) which are available for any user-specific indication purpose. The green LED (D12) is contacted to the pin PC2 and the red LED D13 is contacted to PC3, both located on connector CN7. -
Page 9: Getting Started
STSW-FSM01. We focus mainly on the description of hardware part of the system in this documet. All needed information related to software part of the system is available at st.com in a dedicated documentation (UM3176) of STSW-FSM01. Hardware components... -
Page 10: System Setup And Connection
STM32CubeProg, or it can be carried out using an IDE (e.g. STM32CubeIDE). All the above-mentioned tools can be found and downloaded at www.st.com. Now with all components collected and set correctly the system can be plugged together as shown in Figure Figure 10. -
Page 11: Schematic Diagrams
Schematic diagrams Figure 11. STEVAL-FSM01M1 circuit schematics (1 of 6) ADC_SCLK SCLK 220R 220R 100pF/16V 100pF/16V ADC_/CS ADC_SCLK SCLK ADC_DOUT AVCC DOUT ADC_DIN AGND ADC_IN0 ADC_DIN DVCC ADC_IN1 220R DGND ADC_IN2 ADC_IN7 100pF/16V ADC_IN3 ADC_IN6 ADC_IN4 ADC_IN5 ADC120 1uF/16V 100nF/50V... -
Page 12: Figure 12. Steval-Fsm01M1 Circuit Schematics (2 Of 6)
Figure 12. STEVAL-FSM01M1 circuit schematics (2 of 6) VBUF1 VBUF1 BSS138BK VBUF1 OUTP1 OUTP1 INATTL1 OUTP1 OUTN1 TP1_CTRL INA1 OUTN1 100pF/16V 10nF/16V TAB1 INB1 OUTN1 PDWN1 nc [0R] SM6T33CA 10nF/100V OUTN1 VBUF2 INATTL2 VBUF2 OUTP2 OUTP2 INA2 OUTP2 OUTN2 INB2... -
Page 13: Figure 13. Steval-Fsm01M1 Circuit Schematics (3 Of 6)
Figure 13. STEVAL-FSM01M1 circuit schematics (3 of 6) D3V3 D3V3 VDD1 VDD2 VDD1 VDD2 PC12 OUT1_DIAG OUT2_DIAG OUT1_CTRL PA11 OUT2_CTRL GND1 GND2 GND1 GND2 STISO621 STISO621 390R 100nF/50V 390R 100nF/50V 100nF/50V 100nF/50V OUT1 OUT2 nc [27k] nc [27k] DGND DGND... -
Page 14: Figure 14. Steval-Fsm01M1 Circuit Schematics (4 Of 6)
Figure 14. STEVAL-FSM01M1 circuit schematics (4 of 6) CN10 PC10 PC11 PC12 DVDD BOOT0 DGND AVDD DGND IOREF PA12 PA13 RESET PA11 PA14 D3V3 PB12 PA15 DGND DGND DGND DGND PC13 DVIN PC14 PB15 PC15 PB14 PB10 PB13 AGND VBAT... -
Page 15: Figure 15. Steval-Fsm01M1 Circuit Schematics (5 Of 6)
Figure 15. STEVAL-FSM01M1 circuit schematics (5 of 6) OUT1_DIAG 220k R100 VCC1 VCC1 VCC1 nc [0R] VCC1 VCC1 SM2T3V3A nc [STPS1L60] DG1 CH1 OUT1 OUT1_CTRL OUT1 DIAG STL42P6LLF6 STPS1L60 22nF/100V STPS1L60 orange nc [22nF/100V] SM6T33CA VCC1 STPS1L60 VCC1_SNS IPS160HF BSS138BK... -
Page 16: Figure 16. Steval-Fsm01M1 Circuit Schematics (6 Of 6)
Figure 16. STEVAL-FSM01M1 circuit schematics (6 of 6) nc [0R] +24V +24V +24V 4.7nF/2kV STPS1L60 STL42P6LLF6 4.7uF/100V 4.7uF/100V 100nF/100V 100nF/100V SMC30J36CA 4.7nF/2kV VCC_SNS +3V3 VOUT/FB 47uH VBIAS EN/UVLO EN/UVLO LNM/LCM LNM//LCM /RST 1uF/16V 1uF/16V 100nF/100V 1uF/100V 2.2uF/16V 100nF/50V L7983 LDK220... -
Page 17: Bill Of Materials
UM3175 Bill of materials Bill of materials Table 1. Item Q.ty Ref. Part/Value Description Manufacturer Order code +3V3 +24V Test Point Red hole VDC VCC Test point - red KEYSTONE 5000 diam. 1,6mm VCC1 VCC2 CH1 CH2 DG1 DG2 GND IN1 IN2 Test Point Black KEYSTONE or RS Test point - black... - Page 18 UM3175 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code CAP CER, ArcShield™, 4700 C43 C44 4.7nF KEMET C0805V472KDRACTU pF, 1 kV, ± 10%, SMD Chip Resistor, MULTICOMP PRO MCWR06X2200FTL or R1 R2 R3 R4 220 ohm, ± 1%, 100 or Yageo RC0603FR-07220RL SMD Chip Resistor,...
- Page 19 UM3175 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code SMD Chip Resistor, MULTICOMP PRO MCWR06X1802FTL or 18 kohm, ± 1%, 100 or Panasonic ERJ3EKF1802V Zero Ohm Resistor, MULTICOMP PRO MC0603SAF0000T5E or R44 R45 Thick Film, 100 or Yageo RC0603JR-070RL mW, 1 A SMD Chip Resistor,...
- Page 20 UM3175 Bill of materials Item Q.ty Ref. Part/Value Description Manufacturer Order code LDK220M33R, 200mA Low noise STMicroelectronics LDK220M33R SOT23-5L Dual channel digital U6 U9 STISO621, SO-8 STMicroelectronics STISO621 isolator 4-channel digital U11 U12 MAX14930EASE+ Maxim Integrated MAX14930EASE+ isolator 1 kV RMS Quad- ADUM7442ARQZ Channel Digital ANALOG DEVICES...
-
Page 21: Board Versions
UM3175 Board versions Board versions Table 2. STEVAL-FSM01M1 versions Finished good Schematic diagrams Bill of materials STEVAL$FSM01M1A STEVAL$FSM01M1A schematic diagrams STEVAL$FSM01M1A bill of materials 1. This code identifies the STEVAL-FSM01M1 evaluation board first version. UM3175 - Rev 1 page 21/27... -
Page 22: Regulatory Compliance Information
UM3175 Regulatory compliance information Regulatory compliance information Notice for US Federal Communication Commission (FCC) For evaluation only; not FCC approved for resale FCC NOTICE - This kit is designed to allow: (1) Product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and (2) Software developers to write software applications for use with the end product. -
Page 23: Revision History
UM3175 Revision history Table 3. Document revision history Date Revision Changes 26-May-2023 Initial release. UM3175 - Rev 1 page 23/27... -
Page 24: Table Of Contents
UM3175 Contents Contents Architecture ...............2 Basic characteristics &... -
Page 25: List Of Tables
STEVAL-FSM01M1 versions ........ -
Page 26: List Of Figures
STEVAL-FSM01M1 circuit schematics (1 of 6) ........ - Page 27 ST’s terms and conditions of sale in place at the time of order acknowledgment. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of purchasers’...
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