R3112N141A-TR-FE

Supervisors Overview

The R3112N141A-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices, designed for monitoring single-input power supply voltages. It operates within a maximum supply voltage of 6 V and features a threshold voltage of 1.4 V with an accuracy of 2%. The device provides a CMOS open-drain output and includes a fixed reset delay time of 100 ms. It functions without manual reset or watchdog timer capabilities, supporting battery backup modes. The component operates across a temperature range of -40°C to +85°C and consumes a typical operating current of 700 nA.

Supervisors Feature Summary

• Provides low voltage detection with a dedicated output capacitor type delay function
• Features an open-drain CMOS output interface for system integration
• Supports battery backup switching for continuous monitoring during power transitions

Supervisors Applications

• Monitoring power supply voltages in portable electronic devices
• System supervision in battery-operated equipment requiring low quiescent current
• Voltage level detection in embedded control circuits

Supervisors Procurement Notes

Verify the specific suffix codes against official datasheets to confirm package type and electrical characteristics. Ensure compatibility with the target PCB footprint, specifically the SOT-23-5 package. Confirm that the 1.4 V threshold aligns with system requirements. Check RoHS compliance status if environmental regulations apply. Validate supplier documentation for authenticity before procurement.

Supervisors Selection Notes

Select this component when a precise 1.4 V detection threshold is required for single-channel voltage monitoring. Consider the 700 nA operating current for applications prioritizing energy efficiency. The open-drain output requires appropriate pull-up configuration. Verify that the 100 ms delay meets system timing constraints. Ensure the 6 V maximum input rating accommodates potential voltage spikes.

Supervisors Part Context

This part belongs to the R3112N series of supervisory circuits from Nisshinbo Micro Devices. The series focuses on low voltage detection with high accuracy and low power consumption. The R3112N variant typically utilizes the SOT-23-5 package, distinguishing it from other series members like the R3112Q which may use different form factors. These components are categorized under PMIC solutions for power management.

Supervisors Replacement Considerations

Consult official substitution lists for equivalent threshold voltages. Verify pinout compatibility with the SOT-23-5 package. Ensure replacement parts maintain similar operating current and accuracy specifications.