XC6121F747ER-G

Supervisors Overview

The XC6121F747ER-G is a voltage detector with watchdog function and ON/OFF control manufactured by Torex Semiconductor Ltd. It operates within an input voltage range of 0.8V to 5.5V, featuring a fixed detection threshold of 2.639V with ±1% accuracy. The device provides an open-drain output and includes a reset delay time of typically 10ms. It supports a watchdog timer with a timeout period selectable via external components. Operating temperature ranges from -40°C to +85°C. Packaged in a compact 6-pin USP (Ultra Small Package) suitable for surface mount applications.

Supervisors Feature Summary

• Integrated watchdog timer function with selectable timeout period
• Open-drain output compatible with various logic families
• High precision voltage detection with ±1% accuracy
• Compact 6-pin USP package for space-constrained designs

Supervisors Applications

• Microcontroller system supervision
• Embedded system reset circuits
• Portable electronic devices requiring low power monitoring
• Industrial control systems needing reliable voltage supervision

Supervisors Procurement Notes

Verify the exact detection voltage threshold and package type against the official datasheet before procurement. Confirm that the selected variant matches the required operating temperature range and output configuration. Ensure compatibility with the target system's logic levels and power supply characteristics. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Supervisors Selection Notes

Select this component when a precise voltage supervisor with integrated watchdog functionality is required. Consider the fixed detection threshold of 2.639V and ensure it aligns with the monitored rail voltage. Evaluate the need for external components for watchdog timing and verify that the USP package fits the PCB layout constraints. Compare performance parameters with alternative supervisors if specific timing or accuracy requirements differ.

Supervisors Part Context

The XC6121 series from Torex Semiconductor Ltd represents a family of voltage detectors designed for reliable system supervision. These devices combine voltage monitoring with watchdog capabilities in small packages. The XC6121F747ER-G specifically offers a fixed detection threshold, making it suitable for applications where a specific voltage level must be monitored without external adjustment. The series emphasizes low power consumption and high accuracy for portable and industrial applications.

Supervisors Replacement Considerations

Direct replacements may include other XC6121 variants with different detection thresholds or output configurations. Verify pin compatibility and electrical specifications before substitution. Consult Torex Semiconductor documentation for cross-referencing options within the same product family.

Supervisors FAQ

What is the detection voltage accuracy of the XC6121F747ER-G?

The detection voltage accuracy is ±1%.

Does the XC6121F747ER-G have an internal watchdog timer?

Yes, it includes an integrated watchdog timer function with a timeout period that can be set using external components.

What is the output configuration of this voltage detector?

It features an open-drain output configuration.