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The X-NUCLEO-IHM14A1 motor driver expansion board is based on the STSPIN820 monolithic driver for stepper motors.
It represents an affordable, easy-to-use solution for driving stepper motors in your STM32 Nucleo project, implementing motor driving applications such as 2D/3D printers, robotics and security cameras.
The STSPIN820 implements a PWM current control with constant OFF time adjustable via an external resistor and a microstepping resolution up to the 256th step.
The X-NUCLEO-IHM14A1 expansion board is compatible with the Arduino UNO R3 connector and the ST morpho connector, so it can be plugged to the STM32 Nucleo development board and stacked with additional X-NUCLEO expansion boards.Key Features
- Operating voltage: 7 to 45 V
- Output current up to 1.5 Arms
- Fine tuning microstepping up to the 256th step
- Current control with adjustable OFF time
- Full protection set:
- Overcurrent protection
- Short-circuit protection
- Under voltage lock out
- Thermal shutdown
- Compatible with Arduino UNO R3 connector
- Compatible with STM32 Nucleo boards
- RoHS compliant
Sample & Buy
| Part Number | Marketing Status | Core Product | Board production status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| X-NUCLEO-IHM14A1 |
Active
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STSPIN820 | Stock available | 16.0 | 1 | EAR99 | ITALY | Check Availability | Buy now |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
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Embedded Software
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Picture Part number Manufacturer Description 
X-CUBE-SPN14 ST Stepper motor driver software expansion for STM32Cube Part NumberStepper motor driver software expansion for STM32Cube
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Evaluation Tools
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Picture Part number Manufacturer Description 
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NUCLEO-L053R8 ST STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity Part NumberSTM32 Nucleo-64 development board with STM32F030R8 MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32F334R8 MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32F401RE MCU, supports Arduino and ST morpho connectivity
STM32 Nucleo-64 development board with STM32L053R8 MCU, supports Arduino and ST morpho connectivity
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| Part Number | Marketing Status | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|
| X-NUCLEO-IHM14A1 |
Active
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Ecopack2 |
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X-NUCLEO-IHM14A1
Package:
Ecopack2Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
