STEVAL-IHM032V1

The STM-STEVAL-IHM032V1 demonstration board is a 3-phase inverter designed to perform both the field-oriented control (FOC) of sinusoidal-shaped back-EMF permanent magnet synchronous motors (PMSMs) and trapezoidal control of brushless DC (BLDC) motors with or without sensors, with nominal power up to 150 W. This flexible, open, high-performance system based on the L639x and STGD3HF60HD is specifically designed to achieve fast and accurate conditioning of the current feedback, thereby matching the requirements typical of high-end applications such as field-oriented motor control. The board is compatible with 110 and 230 Vac mains, and includes a power supply stage with the VIPer12A-E (in flyback configuration) to generate the +15 V and +3.3 V supply voltage required by the application. Finally, the board can be interfaced through a dedicated connector with the STM3210xx-EVAL (STM32 microcontroller demonstration board), STEVAL-IHM022V1 (highdensity, dual motor control demonstration board based on the STM32F103ZE microcontroller), and with the STEVAL-IHM033V1 (control stage based on the STM32F100 microcontroller suitable for motor control).

Compact size Wide-range input voltage Maximum power up to 150 W at 230 Vac input STGD3HF60HD: 4.5 A, 600 V very fast IGBT Compatibility with other power switches in DPAK packages (the STD5N52U and STGD6NC60HD, for example) AC or DC bus voltage power supply connectors Connector for interfacing with the STM3210xxEVAL board, STEVAL-IHM022V1, and STEVAL-IHM033V1 with alternate functions (current reference, current limitation/regulation, method selection, current boost) Efficient DC/DC power supply (15 V, 3.3 V) Suitable both for sinusoidal FOC and trapezoidal BLDC drive Single-shunt current reading topology with fast operational amplifier (with offset insertion for bipolar currents) Hardware overcurrent protection with boost capabilities Temperature sensor BEMF-detection network for BLDC drive Current regulation/limitation network for BLDC drive Hall sensor/quadrature encoder inputs