UM1943

System introduction

DocID028304 Rev 1

3/28

1

System introduction

1.1

Main characteristics

The list below provides the board specification data and the main parameters for the X-

NUCLEO-IHM07M1 expansion board:



Three-phase driver board for BLDC/PMSM motors



Nominal operating voltage range from 8 V to 48 V DC





Operating frequency up to 100 kHz

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Non dissipative overcurrent detection and protection

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Cross-conduction protection

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Thermal measuring and overheating protection

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Full compatibility with ST Six Step or ST FOC control algorithms



Full support for sensor and sensorless mode

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3-shunt and 1-shunt configurable jumpers for motor current sensing

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Hall/Encoder motor sensor connector and circuit

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Debug connector for DAC, GPIOs, etc.

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Potentiometer available for speed regulation

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Fully populated board conception with test points



User LED



Compatible with STM32 Nucleo boards

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Equipped with ST morpho connectors



RoHS compliant



PCB type and size:



PCB material: FR-4



4-layer layout



Copper thickness: 70 μm (external layer), 35 μm (internal layer)



Total dimensions of the board: 70 mm x 66 mm

1.2

Target applications



Low voltage PMSM motor driver



Low power fans



Power tools



Industrial drives