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
2.8 A output peak current (1.4 A
RMS
)
Operating frequency up to 100 kHz
Non dissipative overcurrent detection and protection
Cross-conduction protection
Thermal measuring and overheating protection
Full compatibility with ST Six Step or ST FOC control algorithms
Full support for sensor and sensorless mode
3-shunt and 1-shunt configurable jumpers for motor current sensing
Hall/Encoder motor sensor connector and circuit
Debug connector for DAC, GPIOs, etc.
Potentiometer available for speed regulation
Fully populated board conception with test points
User LED
Compatible with STM32 Nucleo boards
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