ISL54401EVAL1Z

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The ISL54401EVAL1Z board by Renesas is an evaluation and demonstration board for the company’s Inductive Position Sensors. This board allows users to test and demonstrate the functions of the sensors in a variety of application fields, including industrial automation, automotive, motor control, and more. With the board, users are able to proof-test new devices, diagnose problems, and measure accuracy and performance. This article will discuss the application field and working principle of the ISL54401EVAL1Z.

Inductive Position Sensors (IPS) from Renesas are designed to measure the position of physical objects without the use of physical contact between the two. The sensors are able to do this by using a resonance circuit, and by picking up the magnetic field generated by a stainless steel target disk. The IPS utilizes two coils, positioned perpendicular to one another, to generate a contactless, absolute, non-contact position sensor with a current output.

The ISL54401EVAL1Z application board provides an ideal platform for measuring, testing, and demonstrating the performance of the Inductive Position Sensors. It was designed to work with a variety of Renesas IPS products, making it an ideal tool for various application fields. The board is powered by an ATmega128L MCU and features a direct digital-to-analog converter that is used for controlling the duty cycle of the drive coil. The board also includes an oscilloscope with a vertical speed of 5mV/div, a current-sensing circuit, an internal target disk with integrated piezo element and an LED indicator.

The board includes two calibration modes, one to calibrate the current gain (i.e. the sensitivity to variation in the output signal from the sensor) and one to calibrate the target disk. To ensure complementarity of the target disk, the calibration mode can be used to calibrate the phase of the magnetic field emanating from the target disk. In addition, a built-in signal generator allows users to simulate various input signals and generate a frequency of up to 500 kHz.

The working principle behind the ISL54401EVAL1Z is relatively simple. In order for the board to accurately measure the position of the target disk, the board utilizes the signal generator to generate a sinusoidal voltage signal to the drive coil and receives the returned signal from the Interference Position Sensor, which is then processed by the ATmega128L MCU. Using the oscilloscope, users can monitor and analyze the signal received from the IPS in order to calibrate the current gain and the target disk. Once the calibration is complete, the board can provide accurate position readings up to a resolution of 0.1mm.

The ISL54401EVAL1Z provides an ideal platform for evaluating and demonstrating the functions of Renesas Inductive Position Sensors in applications such as industrial automation and motor control. With its integrated signal generator and oscilloscope, the board is capable of producing high-resolution position readings up to 0.1 millimeter. The board is an affordable and convenient tool for validating new devices, diagnosing problems, and measuring accuracy and performance.

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