Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	1.6 s Typical
Voltage - Threshold:	4.6V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-25

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Introduction

The XC6123E646MR-G is a supervisor IC manufactured by ON Semiconductor. It is one of the most widely used supervisors in the industry and is used to monitor system power and reset a variety of digital circuits. The XC6123E646MR-G is a part of ON Semiconductor\'s XC6000 series of PMIC - Supervisors, which offer a combination of power management IC functions and system reset supervision.

Application Field

The XC6123E646MR-G is a low-power supervisor that is suitable for a wide range of applications including digital consumer products, industrial equipment, and automotive applications. Its wide range of features and low power consumption make it ideal for these types of applications.The XC6123E646MR-G is a low-cost supervisor and is designed to reduce system cost and reduce board space in a variety of applications. Its wide range of features, such as adjustable reset thresholds, accuracy, programmable reset pulse width, and optional watchdog timer, make it an attractive solution for many engineers.

Working Principle

The XC6123E646MR-G functions as a voltage and current supervisor to protect multiple system power sources. The IC generates a confi- gurable on-chip system reset signal or an external reset signal to prevent system damages in the event of system failures. The XC6123E646MR-G also has a watchdog timer which can be configured to perform a reset if the system does not respond within the configurable time parameters.The XC6123E646MR-G features an active low output, programmable assertion and de-assertion thresholds, an adjustable reset pulse width from 75 to 100µs with a 50µs accuracy, an adjustable hysteresis level from 3.5 to 4.5V, and a reset timeout period. The IC alsofeatures an integrated temperature monitor that can be used to monitor system temperature and generate an interrupt signal or a reset signal in case of over- temperature.

Conclusion

In conclusion, the XC6123E646MR-G is a low-power supervisor that is used in a variety of applications to protect multiple system power sources. It offers a combination of power management functions and system reset supervision, as well as adjustable reset thresholds, accuracy, programmable reset pulse width, and optional watchdog timer.

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