XC6124C420MR-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:	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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PMIC - Supervisors: XC6124C420MR-G Application Field and Working Principle

PMIC - Supervisors refer to special devices that act as safeguards or supervisors to avoid power anomalies caused by rapid voltage drops or current surges among the external power supplies and electronic components. A typical example of such a device is the XC6124C420MR-G voltage supervisor. The XC6124C420MR-G voltage supervisor is an integrated circuit (IC) specifically designed for use in various electronic industries such as automotive, communications, consumer, and industrial. This device can detect and report power supply voltages accurately within an error of +-1% over 0 to 85 degree Celsius temperature ranges. This device is equipped with two voltage monitor outputs: a 0.9V to 5.5V VCC output and a 0.9V to 27V VCC_IO output. This device also features built-in noise immunity that eliminates the need for external noise filtering and transient protection circuitry. It also simplifies board layouts and reduces the system cost. The reset hold time of the VCVC_IO output is 200μs typical and 500μs max. This output is compatible with level-sensitive circuits, like open-drain logic and TTL logic circuits. Moreover, the XC6124C420MR-G device\'s adaptable reset threshold voltage is from 1.6V to 5.5V, making it suitable for both low-voltage and high-voltage applications. It also features an internal pull-up resistor that resets the voltage monitor on power-up, and an internal low-current DC regulator circuit that outputs 2.5V of redundant power with a current of max 2.5mA and minimum 0.5mA.Given its dynamic and versatile features, the XC6124C420MR-G voltage supervisor provides an ideal solution for a broad range of applications such as consumer and communications products, industrial control, automotive instruments, GPS and automotive navigation systems, medical equipment, power supplies, and general computer control systems.The working principle of the XC6124C420MR-G voltage supervisor is based on comparing the operating power supply voltage to two threshold levels. When the set VCC supply voltage drops below the reset threshold, the RESET signal is asserted. When it rises above the reset threshold, the reset signal is deasserted. When the reset threshold is exceeded, the VCC_IO output will be forced to low until the reset threshold is re-exceeded. The overall result of the voltage supervisor\'s working principle is to automatically keep the power supply voltages within the acceptable ranges that prevent the system from overloading and resetting other systems connected to it. This ultimately improves system reliability and performance. In summary, the XC6124C420MR-G voltage supervisor is a special device designed to guard against power anomalies caused by rapid voltage drops or current surges among the external power supplies and electronic components. With its adaptable reset threshold voltage, internal pull-up resistor, low-current DC regulator, and noise immunity features, it provides an ideal solution for a broad range of applications. Its working principle is to automatically keep the power supply voltages within the acceptable range by issuing reset signals when the set voltage drops below the reset threshold. This ensures that the system remains reliable and performs optimally.

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