TMC8460-EVAL

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Evaluation and Demonstration Boards and Kits

TMC8460-EVAL, a complete evaluation board for ordering and driving BLDCMs, combines all the necessary features that provide an easy entry in the field of motor control applications.

The board is connected to a PC or laptop via USB to initialize and control the motor. An embedded micro-controller is used to establish communication between the TMC8460-EVAL board and the connected PC. Real-time control and monitoring of the BLDCM are enabled through the TMC8460-EVAL which has its own embedded user interface with graphic representation. The following sections provide more details on the TMC8460-EVAL application field and working principle.

Application field

The TMC8460-EVAL package offers complete motor control solution in microcontroller systems for different applications such as pumps, fans, kitchen appliances, consumer electronics, industrial applications and more. The evaluation board provides complete hardware and software methodology for order and controlling of 3-phase BLDCMs. It supports direct synchronization of sensorless or sensored BLDCM.

The hardware of the TMC8460-EVAL also offers great flexibility in terms of re-programming and re-purposing of the board. Multiple I/O ports and logic to support host of applications can be incorporated with its own set of hardware design.

Working Principle

The TMC8460-EVAL board includes a core embedded micro-controller unit (MCU) that handles the motor control tasks including PWM generation, sine wave commutation and current control loops. All motor feedbacks are gathered by the micro-controller and sent to the connected PC for evaluation and analysis.

The TMC8460-EVAL also provides a GUI (Graphical User Interface) with which users can visualize the motor’s phase/torque/speed curves, rotor position information as well as other additional information like rotor temperature, currents, etc. that are important parameters when designing an accurate motor control application.

In order to keep the motor under control, the board offers several control parameters that can be adjusted and changed easily, such as torque limit, current limit, speed limit, winding inductance and winding resistance. Additionally, up to three input selectable micro-stepping modes for higher resolution and better accuracy are also supported.

The integrated safety features also come in handy in case of emergency situations. The TMC8460-EVAL supports multiple safety features like over-current, over-voltage and stall detection, which can be enabled/disabled via the GUI.

Conclusion

The TMC8460-EVAL evaluation board is a simple and powerful solution for a variety of motor control applications, offering an easy way to get started with brushless DC motors. The hardware offers great flexibility in terms of re-programming and re-purposing for different applications, while the GUI with embedded micro-controller provides a complete ecosystem to monitor and control the motor.

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