XC6122C644MR-G

Supervisors Overview

The XC6122C644MR-G is a voltage monitor and watchdog timer from Torex Semiconductor, housed in an SOT-25-5 surface-mount package. It monitors a single input with a threshold voltage of 4.4 V. The device features a CMOS open-drain output and includes a built-in watchdog timer with a reset delay time of 50 ms. It operates without manual reset functionality and supports battery backup switching. The IC functions within a supply voltage range of 1 V to 6 V, drawing a typical operating current of 12 uA and a static current of 5 uA. It is rated for power dissipation of 250 mW and operates between -40°C and +85°C.

Supervisors Feature Summary

• Integrates voltage monitoring with a dedicated watchdog timer circuit for system reliability.
• Provides an open-drain CMOS output for flexible interface compatibility.
• Supports battery backup switching to maintain critical operations during power transitions.

Supervisors Applications

• Embedded systems requiring hardware-based watchdog supervision
• Battery-powered devices needing low standby current monitoring
• Portable electronics utilizing voltage threshold detection

Supervisors Procurement Notes

Verify the specific suffix MR-G against the manufacturer's official datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the SOT-25-5 package footprint aligns with your PCB layout. Confirm RoHS compliance status through the latest documentation provided by Torex Semiconductor before finalizing procurement.

Supervisors Selection Notes

Select this component when a combined voltage supervisor and watchdog timer is required in a compact SOT-25-5 package. The 4.4 V threshold suits applications monitoring higher voltage rails. Consider the 50 ms reset delay and open-drain output type for timing and logic level compatibility within the target circuit design.

Supervisors Part Context

This part belongs to the XC6122 series of supervisory circuits from Torex Semiconductor. The series offers various threshold voltages and packaging options. The XC6122 variant specifically integrates watchdog functionality alongside standard voltage monitoring, distinguishing it from basic supervisors in the same family.

Supervisors Replacement Considerations

Cross-reference with other XC6122 series parts if different threshold voltages are needed. Verify that alternative components support both voltage monitoring and watchdog timer functions in the SOT-25-5 package.

Supervisors FAQ

Does the XC6122C644MR-G include a manual reset function?

No, the device does not support manual reset; it relies on automatic detection of voltage drops or watchdog timeouts.

What is the output configuration of this voltage monitor?

The XC6122C644MR-G features a CMOS open-drain output type.