R3114K381A-TR

Supervisors Overview

The R3114K381A-TR is a voltage supervisory circuit manufactured by Nisshinbo Micro Devices. It operates within a supply voltage range of 0.5 V to 6 V with a typical operating current of 1.5 uA. The device features a detection threshold of 3.8 V, with specific under-voltage and over-voltage thresholds at 3.743 V and 3.857 V respectively. Accuracy is maintained at 0.8%. It utilizes an open-drain CMOS output and includes a backup battery switch function. The component is housed in a DFN-PLP-1010-4 package and supports power failure detection.

Supervisors Feature Summary

• Provides precise voltage monitoring with high accuracy for single-input supervision
• Features low power consumption suitable for battery-operated applications
• Includes backup battery switching capability for seamless power transitions

Supervisors Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing voltage level supervision
• Embedded circuits utilizing backup power sources

Supervisors Procurement Notes

Verify the exact part number against official manufacturer documentation to ensure compatibility with your design requirements. Confirm that the DFN-PLP-1010-4 package dimensions meet your PCB layout constraints. Check for any specific environmental compliance certifications required for your target market. Ensure that the operating temperature range aligns with your application's thermal conditions.

Supervisors Selection Notes

Select this component when a low-profile surface-mount solution is required for voltage monitoring. Consider the 1.5 uA operating current if power efficiency is critical. The open-drain output allows for flexible interfacing with various logic levels. Verify that the 3.8 V threshold matches the specific voltage rail being monitored in your system design.

Supervisors Part Context

This component belongs to the R3114K series of voltage detectors from Nisshinbo. The series is designed for compact electronics, offering various threshold voltages and packaging options. The K suffix typically denotes the DFN-PLP-1010-4 package type. This specific model provides a fixed 3.8 V detection point within the broader family of available options.

Supervisors FAQ

Does the R3114K381A-TR include a manual reset function?

No, the datasheet specifications indicate that this component does not feature a manual reset input.

What is the maximum supply voltage for this device?

The maximum operating supply voltage is specified as 6 V.