BD46432G-TR

Overview

The BD46432G-TR is a voltage detector with a fixed delay time, manufactured by ROHM Semiconductor. It features a typical under-voltage detection voltage of 4.3 V with a precision of ±1%. The reset active voltage range spans from 0.95 V to 10 V, utilizing a CMOS output type. The device incorporates a manual reset function and provides a fixed reset delay timer of 200 msec. Operating circuit current is specified at 0.80 μA (ON) and 0.85 μA (OFF) at VDET=4.8V. Hysteresis voltage is defined as VDET x 0.05. The component supports low-level output currents of 1.2 mA and high-level output currents of 5 mA. It operates within a temperature range of -40°C to +105°C and is housed in an SSOP5 package.

Feature Summary

• Fixed delay timer functionality for controlled reset timing
• Manual reset capability for system control
• CMOS output interface design
• Wide operating supply voltage range

Applications

• General electronic equipment monitoring
• Microprocessor reset circuits
• Battery-powered device supervision

Procurement Notes

Verify the obsolete status before procurement planning. Confirm availability through last-time-buy channels or authorized distributors. Ensure compatibility with existing PCB layouts due to the SSOP5 package. Check RoHS compliance documentation for regulatory adherence. Validate replacement options if long-term supply is required.

Selection Notes

Select this component when a fixed 200 msec delay is required alongside manual reset functionality. The CMOS output suits digital logic interfaces. Consider the ±1% precision for accurate threshold detection. Evaluate the 0.80 μA operating current for power-sensitive designs. Verify the 10 V maximum supply voltage fits the application rails.

Part Context

This part belongs to the BD46 series of voltage detectors from ROHM Semiconductor. It is designed for supervisory applications requiring precise voltage monitoring. The series typically offers various detection voltages and delay options. The BD46432G-TR specifically targets applications needing a fixed delay and manual reset control.

Replacement Considerations

BD5243G-1 is listed as a recommended replacement with similar specifications.