XC6122C240MG-G

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PMIC - Supervisors refer to semiconductor integrated circuits that monitor voltage levels, delays and other factors in order to detect and indicate malfunction in electronic equipment. The XC6122C240MG-G is one such example of a supervisor IC. This article explains the application fields and working principle of the XC6122C240MG-G.

The XC6122C240MG-G, produced by ON Semiconductor, is a supervisor IC with a single low-precision reset pin. It comprises three integrated circuits, each consisting of a voltage reference, a high/low detection comparator, and a time delay circuit. It also includes additional circuitry to allow for manual reset input and successful power-up of the system.

Application Field

The XC6122C240MG-G is typically employed in system-on-chip (SoC) designs, especially those utilizing a reduced line architecture. It is an especially useful supervisor, as it can prevent incorrect and/or incomplete system operation from over-voltages, voltage drops, and other anomalies. It is also useful for providing a reset signal to restart the system.

The XC6122C240MG-G can be used in a variety of applications, such as dynamic memory refreshes, system reset triggers, and reset signal resetting. It is also often used in conjunction with other reset management systems.

This supervisor IC is also often employed in analog input sensing and signal processing applications, where it can provide safety features such as over-voltage protection and under-voltage protection. Additionally, the XC6122C240MG-G has been used in vehicle systems to provide an output signal when the battery voltage level drops below a predetermined threshold.

Working Principle

The XC6122C240MG-G utilizes a variety of components and circuits to perform its functions. The integrated voltage reference produces a voltage that can be compared to a given threshold by the detection comparator. If the voltage rises above the given threshold, the low detector will send a reset signal. If the voltage drops below the given threshold, the high detector will send a reset signal.

The XC6122C240MG-G also employs a time delay circuit. This circuit delays the reset signal from being sent, allowing the system to continue functioning correctly if the voltage is only momentarily outside the desired range. This is an important feature of the supervisor IC, as it reduces the number of unnecessary resets.

Finally, the XC6122C240MG-G has a manual reset input. This allows the device to be manually restarted if needed. This feature is especially useful when performing debugging or resetting processes on unreliable or critical systems.

Conclusion

In conclusion, the XC6122C240MG-G is a supervisor IC that is used in a variety of applications such as SoC designs, analog input sensing and signal processing, and dynamic memory refreshes. It is able to monitor voltage levels and send a reset signal if the voltage drops above or below a given threshold. Additionally, it incorporates a time delay circuit to prevent unnecessary resets. Finally, it has a manual reset input for performing debugging and resetting tasks.

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