STMicroelectronics STEVAL-IHM039V1

Overview

STEVAL-IHM039V1 from STMicroelectronics is an evaluation board built around the STM32F417IG MCU, enabling rapid prototyping of industrial motor control systems using field-oriented control (FOC) algorithms. It integrates a 3-phase inverter stage with 600 V/15 A IGBTs, isolated gate drivers, current sensing, and on-board debugging via ST-LINK/V2-1. The board supports real-time FOC execution at up to 16 kHz PWM frequency with sub-microsecond interrupt latency.

For engineers reviewing the STEVAL-IHM039V1 datasheet, STEVAL-IHM039V1 pinout, STEVAL-IHM039V1 application, or STEVAL-IHM039V1 equivalent, key selection considerations include integrated IGBT driver isolation rating (5 kVRMS), supported motor power range (up to 1 kW), compatibility with STM32 Motor Control SDK v5.x, and availability of hardware-accelerated encoder/ Hall sensor interfaces for position feedback.

Technical Context

The board implements a complete 3-phase inverter topology with bootstrap-fed high-side gate drivers and optocoupler-isolated low-side drivers, supporting both sensored (encoder/Hall) and sensorless (I/F, HFI) FOC. It routes all critical analog current-sense signals (shunt-based, ±50 mV full-scale) directly to the STM32F417IG's three independent 12-bit ADCs with hardware-triggered synchronous sampling.

Power stage control leverages the MCU's advanced timer peripherals - specifically TIM1 and TIM8 - configured for complementary PWM output with programmable dead-time insertion (1–1000 ns), break input protection, and emergency shutdown via dedicated fault pins tied to IGBT desaturation detection circuitry.

Key Specifications

Availability

STEVAL-IHM039V1 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC blower control, and servo amplifier development requiring stable component supply and validated reference hardware.

Supply support for STEVAL-IHM039V1 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, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer applications.

The STEVAL-IHM039V1 belongs to ST's STM32 Motor Control ecosystem and was designed specifically to accelerate development of high-efficiency, compact 3-phase PMSM/BLDC motor drives targeting IEC 61800-3 compliance and SIL-2 functional safety readiness.

FAQ

Does STEVAL-IHM039V1 support sensorless FOC?

Yes. The board supports sensorless field-oriented control using the STM32F417IG's hardware-accelerated observer algorithms (e.g., I/F method) and high-frequency injection (HFI) via TIM1/TIM8 complementary PWM outputs and ADC sampling synchronized to switching edges. Reference firmware is provided in STM32 Motor Control SDK v5.4.4.

What is the maximum continuous motor power this board can drive?

The STEVAL-IHM039V1 is rated for continuous operation up to 1 kW at 230 VAC input with forced air cooling and ambient temperature ≤40 °C. Derating applies above 40 °C or with natural convection only; thermal design files and layout guidelines are included in the user manual UM1796 Rev 5.

Can the onboard ST-LINK/V2-1 program external STM32 targets?

Yes. The ST-LINK/V2-1 interface is exposed via a standard 10-pin SWD connector (CN2) and supports programming and debugging of external STM32 MCUs operating at 1.65–3.6 V. Firmware updates for the ST-LINK itself are performed via USB using STSW-LINK007 software.

Is hardware-based safety monitoring implemented on this board?

Yes. The board includes dedicated desaturation detection circuitry for each IGBT leg, feeding fault signals directly to the STM32F417IG's TIM1/TIM8 break inputs. This enables hardware-level PWM disable within <100 ns upon overcurrent or short-circuit detection, meeting IEC 61800-5-2 requirements for safe torque off (STO).