R3112Q471C-TR-FE

Supervisors Overview

The R3112Q471C-TR-FE is a low voltage detector manufactured by Nisshinbo Micro Devices. It features a CMOS open-drain output and monitors a single input channel. The device operates within a supply voltage range of 0.7 V to 6 V, with a typical quiescent current of 1.2 uA. It provides a reset delay time of 100 ms and maintains an accuracy of 2%. The threshold voltage is set at 4.7 V, with an overvoltage threshold of 3.57 V. Power dissipation is rated at 380 mW. The component supports battery backup switching and includes power failure detection capabilities. It functions reliably across an operating temperature range from -40 C to +85 C.

Supervisors Feature Summary

• Provides precise voltage monitoring with high accuracy for system supervision
• Features built-in reset delay circuitry to prevent false triggering during power transitions
• Supports battery backup switching to maintain operation during power loss events
• Includes power failure detection functionality for enhanced system reliability

Supervisors Applications

• Monitoring power supply voltages in portable electronic devices
• Supervising battery levels in mobile communication equipment
• Ensuring stable operation in embedded control systems
• Protecting data integrity in memory backup circuits

Supervisors Procurement Notes

Verify the exact part number against official manufacturer documentation to ensure compatibility with specific design requirements. Confirm that the SC-82AB-4 package matches the intended PCB layout constraints. Check the latest datasheet for any updates regarding electrical characteristics or recommended operating conditions. Ensure compliance with RoHS standards if required by project specifications. Validate that the supply voltage range aligns with the target application's power architecture.

Supervisors Selection Notes

Select this component when a low quiescent current and high accuracy are critical for battery-powered applications. The open-drain output allows flexibility in interfacing with various logic families. Consider the 100 ms reset delay for applications requiring noise immunity during power-up sequences. Evaluate the thermal performance given the power dissipation rating under maximum load conditions. Compare with other series variants if different package sizes or threshold voltages are needed.

Supervisors Part Context

This device belongs to the R3112Q series of low voltage detectors designed for supervisory applications. It is categorized under PMIC - Power Management ICs within the broader product portfolio. The series is known for its compact size and low power consumption, making it suitable for space-constrained designs. It complements other monitoring solutions by offering dedicated voltage detection without complex configuration requirements.

Supervisors Replacement Considerations

Consult official substitution lists for direct replacements. Verify pinout compatibility and electrical parameter equivalence before swapping components.