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UM3056
User manual
Getting started with the EVSPIN958 brushed DC motor driver expansion board
based on the STSPIN958
Introduction
The EVSPIN958 single brushed DC motor driver expansion board is based on the STSPIN958.
It provides an affordable and easy-to-use solution for the implementation of brushed DC motor driving applications. Thanks
to the parallel operation, it can be easily converted to a single half-bridge with double current capability. In addition to the
internal current limiter, the integrated amplifiers allow it to be used in systems with external current control. The EVSPIN958 is
compatible with the Arduino UNO R3 connector and most STM32 Nucleo boards.
Figure 1.
EVSPIN958 expansion board
UM3056 - Rev 1 - September 2022
www.st.com
For further information contact your local STMicroelectronics sales office.
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Summary of Contents for ST EVSPIN958
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Page 1: Figure 1. Evspin958 Expansion Board
In addition to the internal current limiter, the integrated amplifiers allow it to be used in systems with external current control. The EVSPIN958 is compatible with the Arduino UNO R3 connector and most STM32 Nucleo boards. -
Page 2: Safety Precautions
UM3056 Safety precautions Safety precautions Warning: Some of the components mounted on the board could reach hazardous temperatures during operation. While using the board, please follow the following precautions: • Do not touch the components or the heatsink. • Do not cover the board. •... -
Page 3: Getting Started
Compatibility with Arduino UNO R3 connector and STM32 Nucleo boards The EVSPIN958 evaluation board is ready to be used in few steps. Follow this procedure to start your evaluation: Check the setting of the jumpers based on your configuration as described in... -
Page 4: Hardware Description And Configuration
UM3056 Hardware description and configuration Hardware description and configuration Figure 2. EVSPIN958 overview The following tables provide the detailed pinout of the Arduino UNO R3 and ST Morpho connectors. Table 1. Arduino UNO R3 connector table Connector Signal Remarks Operational amplifiers offset enable... -
Page 5: Table 2. Driving Mode Settings
UM3056 Driving mode selection The driving mode selection is done setting J1 and J2 jumpers (connected to MODE1 and MODE2 pins of the device) on the top of the board. J6 solder jumper on the bottom of the board must be closed/opened according to the selected driving mode. The table below briefly summarizes the possible configurations: Table 2. -
Page 6: Figure 3. Two Unidirectional Dc Motors
UM3056 Driving mode selection Figure 3. Two unidirectional DC motors OUT2 OUT1 UM3056 - Rev 1 page 6/18... -
Page 7: Figure 4. One Bidirectional Dc Motor
UM3056 Driving mode selection Figure 4. One bidirectional DC motor OUT2 OUT1 UM3056 - Rev 1 page 7/18... -
Page 8: Current Limiter Mode
UM3056 Current limiter mode Figure 5. One unidirectional DC motors – higher current OUT2 OUT1 Current limiter mode The behavior of the current limiter can be changed by setting the J3 jumper (connected to MODE3 of the device) as follows: Table 3. -
Page 9: Output Slew Rate
UM3056 Output slew rate Figure 6. versus R Output slew rate The output slew rate can be increased moving the rotative switch SW1 clockwise. With the STSPIN958 device, the slew rate value can be chosen from four different values, as shown in Table Table 4. -
Page 10: Thermal Performance
UM3056 Thermal performance Thermal performance An example of the thermal performances of the EVSPIN958 is provided in Figure 7 . The board is used in full-bridge and parallel half-bridge configuration in a typical application to drive an inductive load with different output currents ranging from 0.5 A to 4 A. -
Page 11: Bills Of Material
UM3056 Bills of material Bills of material Table 5. EVSPIN958 bill of material Item Qty. Ref. Description Part/Value Manufact. Order code MORSV-508-2P_ Wurth 691312510002 or Connector 5.08 mm Close Vertical screw Elektronik equivalent MORSV-508-4P_ Wurth 691312510004 or Connector 5.08 mm close vertical... - Page 12 UM3056 Bills of material Item Qty. Ref. Description Part/Value Manufact. Order code SMT resistor 39 k 1/10 W R18,R19 SMT resistor 10 k ½ W R21,R22,R23 R24,R25,R26 SMT resistor 0 R 1/10 W R27,R28,R29 TP1,TP2,TP3 TP-SMD- TP4,TP5,TP6 Test point Harwin S1751-46R S1751-46R TP7,TP8,TP9...
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Page 13: Schematic Diagrams
UM3056 Schematic diagrams Schematic diagrams Figure 9. EVSPIN958 schematic diagram TP 7 TP 6 MODE1 MODE2 MODE3 TP 5 NUCLEO & LOGO 0 - 58V CON3 CON3 CON3 FOR EVALUATION PURPOSE ONLY ROHS COMPLIANT 2002/95/IEC & LOGO 220u 220u 100n... -
Page 14: Revision History
UM3056 Revision history Table 6. Document revision history Date Version Changes 14-Sep-2022 Initial release. UM3056 - Rev 1 page 14/18... -
Page 15: Table Of Contents
UM3056 Contents Contents Safety precautions..............2 Getting started . -
Page 16: List Of Tables
EVSPIN958 bill of material ........ -
Page 17: List Of Figures
EVSPIN958 - thermal performances ........ - Page 18 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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