BD46252G-TR

Overview

The BD46252G-TR is a voltage detector IC manufactured by ROHM Semiconductor, designed for monitoring single-channel power supply voltages. It features a typical under-voltage detection threshold of 2.5V with a precision of ±1%. The device supports a reset active voltage range from 0.95V to 10V and utilizes a CMOS output type. It incorporates a fixed reset delay timer of 200ms and allows for manual reset functionality. The circuit current consumption is specified at 0.80μA in the ON state and 0.85μA in the OFF state, measured at Vs=4.8V. Operating temperatures range from -40°C to +105°C, housed in an SSOP-5 package.

Feature Summary

• Provides precise under-voltage detection with a fixed 200ms reset delay timer to ensure stable system initialization.
• Supports manual reset functionality for flexible control over the reset signal generation process.
• Features low power consumption characteristics suitable for battery-operated or energy-efficient applications.

Applications

• Monitoring power supply voltages in general electronic equipment
• Ensuring system stability in embedded microcontroller circuits
• Providing reset signals for digital logic systems requiring voltage supervision

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance and packaging specifications match design requirements. Check datasheet revisions for any parameter updates. Ensure handling procedures comply with moisture sensitivity level guidelines during assembly.

Selection Notes

Evaluate threshold voltage accuracy against system tolerance requirements. Consider fixed delay duration compatibility with target circuit startup times. Assess manual reset capability needs versus automatic reset alternatives. Verify operating temperature range suitability for intended environmental conditions.

Part Context

This component belongs to the BD46 series of voltage detectors from ROHM Semiconductor. It serves as a supervisory circuit for maintaining system integrity through voltage monitoring. The part is designated as last-time-buy status, indicating limited future availability.

Replacement Considerations

BD5225G-1TR is listed as a recommended replacement with similar package configuration. Verify functional equivalence regarding detection voltage, delay timing, and output characteristics before substitution.