R3111Q182A-TR-FE

Supervisors Overview

The R3111Q182A-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices. It operates within a supply voltage range of 700 mV to 10 V and features a fixed threshold voltage of 1.8 V with an accuracy of 2%. The device draws a typical operating current of 1 uA and includes power failure detection capabilities. It utilizes an open-drain output type and lacks manual reset or watchdog timer functions. The component is housed in an SC-88A-5 package and supports battery backup switching.

Supervisors Feature Summary

• Ultra-low supply current consumption for extended battery life
• High detector threshold accuracy without external adjustment
• Integrated power failure detection circuitry
• Battery backup switch functionality for data retention

Supervisors Applications

• System reset monitoring in portable devices
• Voltage supervision for microcontroller units
• Power management in battery-operated equipment
• Backup power switching applications

Supervisors Procurement Notes

Verify the specific suffix codes against official datasheets to confirm package type, output configuration, and threshold voltage. Ensure compatibility with required operating temperature ranges and supply voltage limits. Confirm RoHS compliance status through manufacturer documentation before procurement.

Supervisors Selection Notes

Select this component when ultra-low quiescent current is critical for system efficiency. The fixed 1.8 V threshold suits applications requiring precise voltage monitoring without external resistor networks. Verify that the open-drain output interface matches the downstream logic requirements.

Supervisors Part Context

This part belongs to the R3111Q series of CMOS-based voltage detectors. The series is characterized by high accuracy and operation at extremely low voltages. It integrates a voltage reference, comparator, and hysteresis circuit within a compact surface-mount package suitable for space-constrained designs.

Supervisors Replacement Considerations

Check for parts with identical threshold voltages and output types. Verify pinout compatibility if substituting within the same package family. Ensure equivalent operating temperature ranges and supply voltage specifications are met.