XC6122F549ER-G

Supervisors Overview

The XC6122F549ER-G is a high-precision voltage detector with watchdog function manufactured by Torex Semiconductor. It operates within a supply voltage range of 1.0 V to 6.0 V and features a fixed detect voltage of 4.9 V. The device utilizes CMOS process technology, consuming a typical operating current of 12 µA and a static current of 5 µA. It includes an N-channel open-drain output and supports a watchdog timeout period of 50 ms. The component is housed in a USP-6C package and functions reliably across a temperature range of -40°C to +85°C.

Supervisors Feature Summary

• Integrates a watchdog timer with selectable timeout periods for system monitoring
• Features laser-trimmed internal detection voltage for high accuracy
• Includes built-in delay circuit eliminating need for external components
• Supports independent control of watchdog function via EN/ENB pin

Supervisors Applications

• Microprocessor watchdog monitoring and reset circuits
• Memory battery backup circuits
• System power-on reset circuits
• Power failure detection

Supervisors Procurement Notes

Verify the specific suffix ER-G against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure the detect voltage code matches the required 4.9 V threshold for the target application. Cross-reference RoHS compliance status with the latest production documentation before finalizing procurement orders.

Supervisors Selection Notes

Select this component when a fixed 4.9 V detection threshold is required alongside integrated watchdog functionality. The low current consumption makes it suitable for battery-powered systems. Verify that the USP-6C package fits the PCB layout constraints. Confirm that the open-drain output configuration aligns with the downstream logic level requirements.

Supervisors Part Context

This part belongs to the XC6121/XC6122 series of voltage detectors from Torex Semiconductor. The series is characterized by high precision and low power consumption using CMOS technology. Variants differ primarily by detect voltage codes and package options, offering flexibility for various supervisory applications in industrial and consumer electronics.

Supervisors Replacement Considerations

Compatible substitutes include other XC6122 variants with different detect voltages or packages, such as XC6122D549ER-G or XC6122E549MR-G, provided the electrical parameters match the design requirements.