XD6131B341MR-Q

Supervisors Overview

The XD6131B341MR-Q is a voltage detector manufactured by Torex Semiconductor, designed for monitoring single-input power supply voltages. It features an externally adjustable watchdog timeout period and includes a backup function for battery systems. The device operates within a maximum supply voltage of 6 V and provides an open-drain output with a reset delay time of 100 ms. It is housed in a SOT-26-6 package and supports surface-mount installation. The component is qualified to AEC-Q100 Grade 1 standards, ensuring reliability for automotive applications across a temperature range of -40°C to +125°C.

Supervisors Feature Summary

• Incorporates a watchdog timer with an externally adjustable timeout period for enhanced system monitoring.
• Includes a dedicated backup function specifically designed for battery-powered applications.
• Features an open-drain output configuration compatible with various logic families.

Supervisors Applications

• Automotive electronic systems requiring AEC-Q100 Grade 1 compliance
• Battery backup circuits in portable devices
• Microprocessor reset circuits in embedded systems

Supervisors Procurement Notes

Verify the specific threshold voltage and package variant against the official Torex Semiconductor datasheet before procurement. Confirm that the AEC-Q100 Grade 1 qualification meets your project's automotive reliability requirements. Ensure the external components used for adjusting the watchdog timeout are rated for the specified operating temperature range of -40°C to +125°C to maintain performance integrity.

Supervisors Selection Notes

Select this component when a single-channel voltage monitor with adjustable watchdog timing is required for automotive or industrial environments. The open-drain output allows for flexible interfacing with different logic levels. Consider the 100 ms reset delay and 6 V maximum input voltage limits during circuit design. Verify compatibility with the target PCB footprint for the SOT-26-6 package.

Supervisors Part Context

This part belongs to the XD6131 series of voltage detectors from Torex Semiconductor. The series is characterized by low power consumption and high accuracy, suitable for demanding applications. The 'B' suffix typically denotes specific internal configurations or tolerance grades within the family, while the 'Q' indicates automotive qualification. This model integrates both voltage detection and watchdog functionalities into a single compact solution.

Supervisors Replacement Considerations

Consult the official Torex Semiconductor cross-reference guide for verified substitutes. Ensure any replacement maintains the same SOT-26-6 package, 6 V maximum input voltage, and AEC-Q100 Grade 1 qualification. Verify that the replacement offers comparable reset delay times and open-drain output characteristics.