XC6121A442MR-G

Supervisors Overview

The XC6121A442MR-G is a CMOS voltage detector manufactured by Torex Semiconductor. It operates within a supply voltage range of 1 V to 6 V and features a fixed detection threshold of 4.4 V. The device incorporates a watchdog timer, a backup switch function, and power failure detection capabilities. It utilizes an open-drain CMOS output with a reset delay time of 400 ms. The component draws a typical operating current of 12 uA and maintains a low static current of 5 uA. It is housed in a compact SOT-25-5 package suitable for surface mount applications.

Supervisors Feature Summary

• Integrates a watchdog timer and backup switch for enhanced system reliability
• Includes dedicated power failure detection functionality
• Features an open-drain CMOS output interface

Supervisors Applications

• Battery-powered electronic devices requiring voltage supervision
• Embedded systems utilizing watchdog timer protection
• Portable equipment needing power failure monitoring

Supervisors Procurement Notes

Verify the specific suffix MR-G confirms the SOT-25-5 packaging and tape-and-reel delivery format. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the specified 1 V to 6 V input range and 4.4 V threshold requirements.

Supervisors Selection Notes

Select this component when a fixed 4.4 V threshold is required alongside integrated watchdog and backup functions. Consider the 12 uA operating current for battery life optimization. Verify that the open-drain output configuration aligns with the target logic levels and pull-up resistor requirements of the host circuit.

Supervisors Part Context

This part belongs to the XC6121 series of voltage detectors from Torex Semiconductor. These devices are designed for precise voltage monitoring in portable electronics. The series typically offers various threshold options and functional combinations including watchdog timers and manual resets.

Supervisors Replacement Considerations

Consult official substitution guides for equivalent threshold voltages and package types. Verify functional compatibility regarding watchdog timing and backup switch operations before replacing.