BD4930G-TR

Overview

The BD4930G-TR is a standard CMOS voltage detector IC from the ROHM BD49xxx series, designed for monitoring power supply voltages in electronic circuits. It features a fixed detection threshold of 3.0V with high accuracy of ±1%. The device operates within a supply voltage range of 1.2V to 10V and provides a CMOS output type. It includes a reset delay timer of 100µs and functions without manual reset or watchdog capabilities. The component is housed in an SSOP-5 package and supports surface mount installation.

Feature Summary

• High accuracy detection voltage with ±1% precision
• Ultra-low current consumption for energy efficiency
• CMOS output type suitable for logic circuit interfacing
• Wide operating temperature range from -40°C to +105°C

Applications

• Microcontroller reset circuits requiring voltage supervision
• Logic circuit power monitoring applications
• Battery-powered devices needing low standby current
• Embedded systems with strict voltage threshold requirements

Procurement Notes

Verify component authenticity through authorized distributors as the part status is Not Recommended for New Designs (NRND). Confirm RoHS compliance details via official datasheets before integration. Check for obsolescence notices and ensure long-term availability aligns with product lifecycle requirements. Validate package dimensions against PCB footprint specifications during procurement planning.

Selection Notes

Select this component when a fixed 3.0V threshold with CMOS output is required. Consider the BD4930G-TR for designs prioritizing low current consumption and high detection accuracy. Evaluate the SSOP-5 package size constraints against available board space. Compare performance characteristics with alternative voltage detectors if specific reset delay or hysteresis adjustments are needed for the application.

Part Context

The BD4930G-TR belongs to the BD49xxx series of standard CMOS voltage detectors manufactured by ROHM Semiconductor. This series offers various detection voltages from 2.3V to 6.0V in 0.1V increments. The BD4930G-TR specifically targets applications requiring precise voltage monitoring with minimal power consumption, utilizing a compact SSOP-5 package for surface mount technology implementations.

Replacement Considerations

BD5230G-1TR is a recommended replacement with the same SSOP-5 package. Note differences in output type (Open drain vs CMOS) and reset delay adjustability. Verify electrical parameter compatibility before substitution.