XC6121A350ER-G

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The XC6121A350ER-G is a low-voltage supervisor chip specifically designed to monitor the power of system applications. It is part of a class of devices named PMIC (Power Management Integrated Circuit) and specifically belongs to the supervisors group. This integrated circuit offers system design engineers the ability to ensure the highest levels of power management in the system, providing fast and reliable voltage detection in dozens of different devices.

The supervisor chip integrates two functions in a single, low-power package: a high-accuracy voltage supervisory circuit and a reset circuit. This combination allows the engineer to closely monitor the power of the system, detecting overvoltages and undervoltages, and triggering a reset if a fault is detected. The supervisor also features an active-low reset output that can be used to control other integrated circuits.

The most prominent application area for the XC6121A350ER-G is in system power management, where the supervisor can be implemented to monitor the core’s voltage as well as the supplied power from the battery. It can also be used in various power systems such as power converters, micro-controllers and memory modules, offering full protection for the micro-controller and other components.

The supervisor chip is configurable via two pins, which define the action to take when a warning or a fault condition is detected. Detectable ranges can be adjusted to three different thresholds in order to cater to a wide range of requirements. According to the selected thresholds, the reset output of the supervisor can be configured to change its state in different ways.

The working principle of the XC6121A350ER-G is based on the monitoring of the supply voltage and the output of two comparators, one with an internal reference voltage and the other with an external voltage reference. According to the values of these two signals, the output of the comparators deliver the signal to the reset circuit and, depending on the chosen parameters, to the power-on reset signal.

The XC6121A350ER-G is made using CMOS technology, making it capable of very low power consumption. Its voltage detection range extends from 1.4V to 5.4V, perfect for most power systems. The chip operates over a wide temperature range and is compliant with most of the industrial standards, adding reliability and safety to the monitored system.

The XC6121A350ER-G is the perfect monitoring solution for system power management. Its wide range of applications, ease of use and low power consumption make it an ideal choice for the engineer. By providing reliable voltage detection and fast responses, it helps ensure the highest levels of power management and the protection of the system’s components.

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