STMicroelectronics STEVAL-IHM030V1

Overview

STEVAL-IHM030V1 from STMicroelectronics is a brushed DC motor demonstration kit built around the STM8S208MB 8-bit microcontroller, implementing bidirectional 24 V / up to 2 kW H-bridge drive with configurable PI closed-loop speed control and CAN bus–based motor command and parameter configuration. It integrates encoder feedback processing, bus voltage/current monitoring, and on-board programming/debug via SWIM interface.

For engineers reviewing the STEVAL-IHM030V1 datasheet, STEVAL-IHM030V1 pinout, STEVAL-IHM030V1 application, or STEVAL-IHM030V1 equivalent, this evaluation kit supports rapid validation of traction-grade BDC motor control firmware, real-time CAN-based tuning, thermal-aware power stage layout, and safety-critical monitoring in industrial motion systems.

Technical Context

The kit implements full H-bridge topology using discrete power MOSFETs mounted on an IMS (Insulated Metal Substrate) layer for enhanced thermal dissipation. The STM8S208MB MCU executes real-time PI speed regulation using dedicated timer peripherals for encoder signal capture and quadrature decoding.

CAN 2.0B interface handles motor start/stop, direction control, speed setpoint updates, and PI gain reconfiguration. On-board analog circuitry continuously monitors bus voltage and phase current, triggering fault shutdown when thresholds are exceeded.

Key Specifications

Availability

STEVAL-IHM030V1 is available at Aetrix Electronics and suitable for industrial motor control validation, traction system prototyping, and embedded CAN-based motion development requiring stable component supply and legacy design continuity.

Supply support for STEVAL-IHM030V1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer applications.

This kit belongs to ST's STEVAL (ST Evaluation) platform family, engineered to accelerate development of robust, safety-aware motor control solutions for industrial automation and electric mobility subsystems.

FAQ

Does STEVAL-IHM030V1 support encoder feedback?

Yes - it accepts quadrature encoder signals via dedicated STM8S208MB timer inputs (TIM1 and TIM2), enabling precise speed and position measurement. The control board provides differential line receivers and configurable pull-ups to match common incremental encoder outputs.

What is the role of the IMS layer in the power board?

The Insulated Metal Substrate layer thermally isolates and efficiently dissipates heat from the four power MOSFETs (two per half-bridge). This design maintains junction temperatures below 100°C under 2 kW continuous load, eliminating need for external heatsinks in compact enclosures.

Can the PI controller parameters be updated during runtime?

Yes - all PI gains (Kp, Ki), speed setpoint, and direction commands are transmitted over CAN 2.0B using standardized message IDs defined in the firmware. No reprogramming or reset is required; updates take effect within one control loop cycle (~1 ms).

Is STEVAL-IHM030V1 RoHS compliant?

Yes - the kit meets RoHS Directive 2011/65/EU requirements. All PCBs, components, and soldering materials are lead-free and halogen-free, verified per STMicroelectronics' material declarations and manufacturing compliance records.