XC6124C440MR-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:	200 ms Typical
Voltage - Threshold:	4V
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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XC6124C440MR-G Application Field and Working Principle

PMIC (Power Management ICs) are components that provide useful functions for power and energy management on a variety of electronic devices. The XC6124C440MR-G is a type of PMIC, specifically classified as a supervisor.Supervisors are power management devices designed to monitor and provide safety, security and control over a system\'s power. They ensure the desired power performance and system stability by providing communication and control across a variety of power and control supplies. They also protect a device from potentially destructive power-related issues, such as overvoltage, overcurrent, and overheating. The XC6124C440MR-G is a supervisor especially well-suited for portable devices, including cell phones, tablets, and portable media players. This device offers a wide range of features, such as input and output voltage range of 2.8V to 40V and a 3A output current capability. It also features an overvoltage protection circuit with a low starting operation voltage and an accurate operating voltage of 0.8V, an overcurrent protection circuit with an accurate reference voltage of 1.25V, and an overtemperature protection circuit with a low-starting operation temperature of -50℃. In terms of common use cases, the XC6124C440MR-G is commonly used in applications that require a direct switch-mode power supply with no external components. It can be used to ensure the stability of a power supply in a variety of high-temperature applications and provides excellent protection against overvoltage, overcurrent, and overtemperature events. Additionally, the device is also suitable for applications that require multiple power sources, as it can be used to monitor and control the power on several different sources at the same time, allowing for maximum flexibility and reliability.When it comes to the working principle of the XC6124C440MR-G, the device uses an on-chip comparator that monitors the voltages of the input power source and the internal regulator output and generates an output signal based on these readings. The output signal is then used to control the internal power switch, allowing for the desired voltage and current levels to be set and maintained. The device also has a built-in fault detection circuitry, which detects and responds to a variety of overcurrent, overvoltage, and overtemperature conditions. When an issue is detected, the system is immediately shutdown, preventing any possible damage to connected components. The XC6124C440MR-G also has a built-in overvoltage protection (OVP) circuit, which trips when the output voltages exceed the set value. This feature enables the supervisor to provide an extra layer of protection by using the OVP output to shut down the main power supply. Overall, the XC6124C440MR-G is an ideal device for a variety of portable applications, offering excellent stability, robust protection, and fast response times. By monitoring voltages and currents in real time, this supervisor ensures that the system operates as intended and protected against power-related issues. With the device\'s wide range of features, it provides an ideal solution for applications that are safety-critical, power-sensitive, and temperature-limited.

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