XC6121E448MR-G

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The XC6121E448MR-G is a comprehensively featured Supervisory IC that provides reset and monitoring control. With dedicated input power pins, the device can accept a 3, 3.3V or 5.5V supply that is then regulated down to 1.02V and 3.3V. Under normal conditions, the reset output is held high, allowing the device to perform its monitoring operations. When auxiliary power is below the regulated values, however, the reset output will be driven low. The IC also contains a watchdog timer and temperature sensor that can be used to trigger the reset output in case of unexpected behaviour or system overheating.

The XC6121E448MR-G is well suited for applications such as power supply monitoring, system reset, and over-temperature protection. It is designed for low power draw and superior thermal dissipation to support high reliability environments where safety critical equipment must be operationally ready and environmentally compliant. Due to its multi-voltage design, the XC6121E448MR-G can be used in both 3V3 and 5V supply systems, providing wide-ranging compatibility for embedded applications.

The XC6121E448MR-G works by setting a predetermined threshold voltage on its input pins. Its reset output pin is constantly monitored to determine if the input power is within the allowable tolerance. As long as the input voltage remains above the predetermined threshold, the output stays high. If the voltage falls below the threshold, the output rapidly goes to a logic low until restored to the normal operating range.

The watchdog timer of the XC6121E448MR-G is designed to detect a lack of activity in the user system. If a user system is expected to execute a certain sequence within a pre-determined time frame and fails to do so, the watchdog will signal to the reset output pin to go low. This signal can then be used to reset the system and allow it to re-execute the commands.

The XC6121E448MR-G also contains a temperature sensor that monitors the temperature of the system. If the temperature rises beyond the predetermined threshold, the reset output will go low signaling to the user that the temperature has exceeded its limit and needs to be adjusted in order to keep the system within its parameters.

The XC6121E448MR-G is designed for use in applications that require reliable monitoring of the system\'s power and temperature levels. With its comprehensive features, the XC6121E448MR-G is capable of providing reset and temperature control in a low power format making it suitable for low power applications. This combined with its multi-voltage input design allows the XC6121E448MR-G to be used in a wide range of embedded applications.

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