XC6122D328MR-G

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PMIC stands for power management integrated circuit, and supervisors represent a special type of PMIC that works as a watchdog for embedded systems. The XC6122D328MR-G is a particular supervisor integrated circuit with a wide range of application fields and working principles.

The XC 6122D328MR-G is a voltage supervisor designed to provide stability, reliability and a robust circuit protection for the modern consumer electronics. It features an independent input pin that can monitor voltage levels across an external resistor, giving it a wide range of monitor voltage levels. Furthermore, it is capable of correctly detecting a consecutive power failure and providing an alert when operating within an acceptable voltage range.

The XC 6122D328MR-G is mainly used in consumer electronics, such as mobile phones, tablets, wearable electronics or consumer appliances, due to its high accuracy and stability. Its main function is to monitor the voltage level of the core supply to detect and prevent a system reset when power fluctuations exceed acceptable levels. Moreover, the supervisor acts as a watchdog timer, which triggers a system reset if the main processor fails.

This supervisor’s input voltage is sampled periodically and the resulting digital code is used to compare with the user defined threshold. The user inputs the voltage levels of VDD-MAX and VDD-MIN, setting tolerance and an alert level. An internal switch closes to provide a reset signal to the CPU, an alarm is generated, if the voltage levels have exceeded the pre-defined parameters.

Another interesting feature of this chip is the power saving design, which actively reduces the power consumption by automatically entering active or idle mode when the voltage is within pre-defined ranges. This significantly reduces the total power consumption, which makes the XC6122D328MR-G a great choice for low-power applications.

In conclusion, the XC6122D328MR-G is a voltage supervisor designed for applications in consumer electronics and other portable devices. The supervisor consistently monitors the voltage level of the core supply, and if the power levels have exceeded pre-defined ranges, it can reset the system and provides an alert for the user. Furthermore, the power saving design helps reduce the unnecessary consumption of power, making it a great choice for low-power applications.

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