XC6123A249ER-G

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The XC6123A249ER-G is a member of the Peripheral Monitor Integrated Circuits (PMIC) series of devices designed to provide advanced debugging, monitoring and control features to microprocessor based systems. The device belongs to the category of Supervisors, and features a wide range of built-in protection and performance enhancing capabilities, including undervoltage lockout, power sequencing, overcurrent detection, and watchdog timer. Understanding the application field and working principles of this device is essential for those who want to deploy it properly in their projects and benefit the most from its features.

The XC6123A249ER-G is mainly intended for monitoring, controlling and protecting processing solutions operating in diverse application domains such as FPGA or microcontroller based embedded systems and SoC solutions, as well as analog, digital and radiofrequency circuitry. Furthermore, the device improves system performance by enabling rapid and precise performance tuning, accurate monitoring of power rail states, and precise system reset and shutdown management. Finally, the XC6123A249ER-G is capable of operating over a wide input voltage range and is capable of handling power surges up to 20V.

At the heart of the XC6123A249ER-G is a high-efficiency protection module featuring a combination of high-side, low-side and overvoltage protection systems. This module is designed to ensure that the system is functioning within its expected voltage and current parameters and is not damaged by dangerous electrical overshoots or shorts. The module is able to recognize up to four power rail states, allowing full control over the sequences in which power rail voltages are provided to the system. Additionally, the device also offers overcurrent detection and undervoltage lockout, as well as dynamic power sequencing and supplemental monitoring and control features.

The XC6123A249ER-G further ensures the output voltage is maintained precisely within the expected range by integrating a regulated voltage sequencer. The device suppresses current ripple and provides stable power delivery to the system by cutting off the output voltage when an overshoot is detected. Furthermore, the device also comes with a watchdog timer that can be used to monitor system reset conditions, and a dedicated software reset line for rapid system reset.

In order to maximize system reliability, the XC6123A249ER-G includes a number of fail-safe mechanisms, such as brown-out detection and soft-start power sequencing. The device enables the accurate monitoring of the voltage at different points in the system, a feature commonly used to prevent the system from entering a locked or unexpected state due to undervoltage or overvoltage conditions. Additionally, the device includes an adjustable acceleration profile (ACP) used to adjust the ramp-up and ramp-down rates of the output voltage, thus optimizing the dynamic response of the system.

In conclusion, the XC6123A249ER-G is a highly integrated Peripheral Monitor Integrated Circuit featuring advanced debugging, monitoring and control features, designed to improve system performance and maximize system reliability. The device is most suitable for embedded systems and SoC solutions operating in varied application fields, including analog, digital, and radiofrequency. In addition, the device offers protection and performance enhancing options such as undervoltage lockout, power sequencing, overcurrent detection, and a watchdog timer.

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