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AFE7070EVM Evaluation Boards - Digital to Analog Converters (DACs)

The AFE7070EVM Evaluation Board from Texas Instruments is a platform designed for developers who are looking to evaluate and test the performance and functionality of the AFE7070 Analog Front End (AFE) for Pulse Width Modulation (PWM) applications. The product is a comprehensive, integrated single-chip solution for high-precision PWM applications.

Application Field of the AFE7070EVM

The AFE7070EVM is suitable for applications requiring precision, small size, and robust performance, such as motor control, servo drives, lighting, and appliance control. The board has features like a low-voltage differential signalling (LVDS) interface, an input filter for noise suppression, and overvoltage protection. Furthermore, it provides an attractive solution for applications where the required sensor accuracy and installation cost are critical.

Working Principle of the AFE7070EVM

The AFE7070EVM is a single-chip solution consisting of three integrated AFEs and one digital equivalent. The AFEs offer output current regulation and high-precision displacement, velocity, and position control. The connectable digital processor, such as the TI TMS570xx family of high-performance Digital Signal Processors (DSPs), is used to provide the control and measurement functions. The integrated on-chip AFEs offer high precision for the current-limited control loops. They maintain both dynamic and static stability, providing regulation without the need for additional circuitry or components for control loops. The configuration of the AFE7070EVM is done through the dedicated on-board user interface. This interface and software allow the user to fine-tune the configuration of the Board to meet the application’s needs while monitoring the performance of the system in real-time.

Conclusion

The AFE7070EVM Evaluation Board is a great example of a comprehensive, integrated single-chip solution for high-precision PWM applications. It is suitable for a wide range of applications, including motor control, servo drives, lighting, and appliance control. The on-board user interface and software allow the user to quickly and easily configure the board and monitor its performance in real-time.

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