XC6124C222MG-G

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:	50 ms Typical
Voltage - Threshold:	2.2V
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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Background Knowledge

PMIC or Power Management IC, is an integrated circuit (IC) for powering and managing electronic devices. A PMIC is typically a single chip that supports the power requirements of a system and guarantees safe system operation even in extreme environmental conditions. PMICs can be divided into two major types - supervisors and regulators. Supervisors are primary components that control how and when the main power supply is turned on, while regulators are secondary components that monitor the main source of power, provide a stable and efficient supply, filter noise, and protect against sudden overload surges.XC6124C222MG-G is a PMIC supervisor produced by Yonger Electronic Technology Co., Ltd. It is a 2.0V to 5.5V voltage supervisor with 2.2V precision and open drain N-channel MOSFET output. It has a low supply current and quiescent current, and it can be used for analog power supplies and low power systems, such as cellular phones, PDA, etc.

Application Field

XC6124C222MG-G is a versatile, general-purpose supervisor IC intended for use in various environments. It can be used in applications such as circuit power-on reset and low-voltage reset configurations, where an open-drain output provides an interrupt signal when the supply voltage drops below a certain threshold. It is especially suited for battery-powered systems that require high precision input voltage monitoring and rapid system reset, such as industrial monitoring systems, digital picture frames, home appliances, and Internet of Things (IoT) devices. It can also be used in applications requiring board-level protection against high-voltage transients, such as overvoltage, undervoltage and ESD events.

Working Principle

When the power supply is connected, XC6124C222MG-G performs an initial reset sequence and monitors the supply voltage. If the voltage drops or rises beyond the thresholds, the IC will activate an open-drain output and the circuit it controls will be reset. When the power supply reaches a regulated level, the reset output will be held high for the duration of the reset time. This is useful for ensuring that the system does not reset prematurely before power-up is complete. The reset threshold of XC6124C222MG-G can be externally adjusted, allowing it to be applied in different voltage environments. This makes it especially suitable for battery-powered applications, where the voltage can vary significantly depending on battery state. The prediction monitor output (PMO) of XC6124C222MG-G can also be used to detect low-voltage events and send a warning signal before the system is reset. This provides extra protection against voltage drops and helps the system maintain normal operation.

Conclusion

To conclude, XC6124C222MG-G is a versatile PMIC supervisor IC produced by Yonger Electronic Technology Co., Ltd. With its ultra-low supply current and quiescent current, it is ideal for battery-powered systems that require high precision input voltage monitoring and rapid reset. It also provides board-level protection against high-voltage transients, such as overvoltage and undervoltage events. In addition, its adjustable reset thresholds, PMO output and adjustable time delay provide extra protection and flexibility, making XC6124C222MG-G an attractive choice for many applications.

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