XC6121A250ER-G

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The XC6121A250ER-G is a high-performance power supply monitor and reset circuit. It is a member of the XC6121A family of devices from ON Semiconductor and is part of their range of Power Management Integrated Circuits (PMICs). The XC6121A250ER-G operates over a wide input supply voltage range from 2.5V to 5.5V and is specified for extended temperature operation up to 125°C. This makes it well suited for a number of applications, such as automotive and consumer electronics.

As a PMIC - Supervisors, the XC6121A250ER-G provides a reliable solution to power supply monitoring, power on reset (POR) and power supply fault (PSF) protection. It is able to detect and respond to any sudden drops in voltage on the power supply, including brown outs, and supply faults. If a voltage drop or fault is detected, the device can then trigger a POR or PSF function to reset the power source and the abast. This ensures that the system is not overloaded during use and is protected from the potential risks associated with power supply faults.

The XC6121A250ER-G features a wide range of features and functionalities. It has two internally regulated power-on reset (POR) delays, providing a delay time ranging from 2.5V to 105ms. This can be used to ensure that the power supplies have been stabilized before allowing the system to start. It also includes a supply voltage monitor with a 0.8V to 4V voltage range, which can be used to monitor for voltages that are outside the specified operating range. In addition to these features, there is also a brown-out detector which can be used to detect under-voltage conditions and protect the system from being overloaded.

The XC6121A250ER-G incorporates an adjustable watchdog timer, which is used to ensure that the system remains running if errors occur during the normal operation. The watchdog timer can be configured to generate a reset pulse with periods ranging from 4ms to 65535s. This timer can also be used to monitor the system for inactivity and can generate an alarm if it does not receive any signals within the predetermined time period.

The XC6121A250ER-G is a capable system supervisor and its wide range of features make it suitable for a number of applications. It is a cost-effective solution that can be used to ensure the reliability of a wide range of power supplies and electronic systems. Its extended temperature range and adjustable watchdog timer make it especially suitable for use in automotive and consumer electronics applications, and its wide range of voltage-monitoring features make it a reliable and versatile solution for monitoring and protecting power supplies.

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