XC6124F650MR-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:	1.6 s Typical
Voltage - Threshold:	5V
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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XC6124F650MR-G Application Field and Working Principle

PMIC (Power Management IC) or Supervisors are integrated circuit (IC) also known as Voltage Monitor, Motor Run, System Monitor, Watchdog, etc. XC6124F650MR-G is a type of PMIC that provides voltage monitoring, voltage supervisory, system monitoring and power control functions. This helps to reduce component count, simplify the PCB size and reduce system cost.

Application Field

XC6124F650MR-G PMIC has application in various fields including computing, communication market and industrial automation products. It is used in fan control, battery monitoring, power control, voltage monitoring and so on.XC6124F650MR-G can be used as a low voltage power supply, motor prerun and battery monitoring in the PC industry, to control fan speed and for voltage monitoring in communication products and for power control and voltage monitoring in industrial automation products.

Working Principle

XC6124F650MR-G PMIC is a high accuracy and low current threshold, general purpose voltage supervisor. The XC6124F650MR-G is equipped with a dedicated reference voltage stabilizer, watchdog timer circuit and voltage comparator.The voltage comparator is internally connected to the voltage reference and low voltage input terminal, and is activated upon detection of a low voltage. The comparator output then controls both the built in watch dog timer (WDT) and external active-low reset output enable.The watch dog timer (WDT) is a low power chronometer circuit embedded in chip and is used for initiatiing a system restart through the external reset circuit.The output enable signal is an active-low signal, driven from the voltage comparator, which switches the output enable between active and inactive modes.

Advantages of XC6124F650MR-G

The XC6124F650MR-G PMIC offers a variety of advantages over other voltage supervisors and PMICs,* Ultra Low Quiescent Current: The quiescent current of 0.2uA, when operating in low voltage monitoring mode, is much lower than other voltage supervisors and PMICs, significantly reducing power consumption.* High Accuracy and Low Voltage Threshold: The XC6124F650MR-G has an accuracy of ±2% and an adjustable voltage threshold of 1.6V to 4.6V.* Reset Output and Watchdog Timer: The reset output, driven from the voltage comparator, acts as a reset pin, when activated due to under-voltage detection. This helps the system to restart, avoiding system failure. The watch dog timer is used to monitor the system status, and can help to detect and prevent any unknown system malfunction.* Power Supply Range: The XC6124F650MR-G has a power supply voltage range of 3.0V to 5.5V, meeting mainly the battery powered systems\' requirements.* Battery Voltage Monitoring: The XC6124F650MR-G can be used to detect battery voltage level, thus preventing system failure due to battery life depletion.* PCB Space Saving: XC6124F650MR-G has an industry standard QFN 5x5mm package with 0.5mm pitch. This enables reduce the PCB space and also simplify the routing.

Conclusion

XC6124F650MR-G voltage monitoring, voltage supervisory and system monitoring solutions for a wide range of application fields. It offers a variety of advantages over other voltage supervisors and PMICs, including ultra-low quiescent current, high accuracy and low voltage threshold, reset output and watchdog timer, power supply range and PCB space saving. As a result, XC6124F650MR-G is well suited for battery powered systems.

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