X-NUCLEO-IHM11M1

X-NUCLEO-IHM11M1 is an ST Evaluation board for three phase brushless DC motor control in an I2C-controlled 2EDN7555 six half-bridge configuration. It is a type of Expansion Board that belongs to a family of Daughter Cards such as Arduino shields, ST Morpho connectors, and ST Morpho expansion boards. This board is designed to simplify the development of motor control applications.

Application Field of X-NUCLEO-IHM11M1

X-NUCLEO-IHM11M1 is ideal for driving three phase brushless DC Motors for a variety of applications in the industrial, automotive, and consumer industries. Its low on-resistance (50mΩ) and high current capability (4A) make it suitable for driving motors with power up to 36W. It is also ideal for applications requiring high speed and accuracy such as robotics, robots, and drones.

Working Principle

X-NUCLEO-IHM11M1 is based on ST\'s 2EDN7555, a half-bridge driver with integrated temperature sensing and current sensing for a 3-phase brushless DC motor. It features advanced diagnostics for motor over-temperature protection, open-phase detection, and short-circuit detection. It also features a 60V bootstrap for driving the floating gate of an external high/low-side MOSFET.

X-NUCLEO-IHM11M1 board is compatible with the STM32 Nucleo boards. It includes a magnetically-broadcasted ST Morpho connector and an I2C bus connector for communication with the STM32 Nucleo board. The connector includes a programmable voltage reference for I2C Voltage Level Shifting and a PWM signal for motor speed control. This daughter board integrates a dual MOSFET driver with integrated current sensing and a low-side, integrated temperature sensor.

The board allow developers to control the rotor position using the high/low-side MOSFETs, motor speed using PWM, enable/disable motor control, and set various parameters. The board also includes a 3.3V (VM) and 5.5V (VH) voltage rails for generating motor voltage supplies. The board includes power, USB, and current monitoring pins for monitoring motor power consumption.

The daughter board is ideal for motor control applications due to its high current capability, low on-resistance, and integrated diagnostics. It allows developers to quickly and easily implement three-phase brushless DC motor control protocols without having to design and build custom evaluation and prototyping boards.

Conclusion

In conclusion, X-NUCLEO-IHM11M1 is a daughter board for three phase brushless DC motor control in an I2C-controlled 2EDN5555 six half-bridge configuration. It integrates a dual MOSFET driver with integrated current sensing, a low-side, integrated temperature sensor, and various monitoring pins for quick and easy motor control prototyping. This board is ideal for motor control applications in industrial, automotive, and consumer industries due to its high current capability, low on-resistance, and integrated diagnostics.