张三叔

Motor Driver Expansion Board: Evaluation of the STSPIN820 Monolithic Driver for Stepper Motors

X-NUCLEO-IHM14A1

Overview

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 256^th 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.

Main features

Operating voltage: 7 to 45 V
Output current up to 1.5 A_rms
Fine tuning microstepping up to the 256^th 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

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-20 13:19:20

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