BD4941FVE-TR

Overview

The BD4941FVE-TR is a standard voltage detector IC from ROHM Semiconductor, designed for monitoring single-channel power supply voltages. It features a CMOS output type and operates within a maximum supply voltage of 10 V. The device provides a precise under-voltage detection threshold of 4.1 V with an accuracy of ±1%. It includes a fixed reset delay timer of 100 us to ensure stable system initialization. The component functions reliably across an extended temperature range from -40°C to +105°C and is housed in a compact VSOF-5 surface-mount package.

Feature Summary

• CMOS output interface for direct logic integration
• High precision voltage detection with ±1% accuracy
• Fixed reset delay timer for stable startup sequencing

Applications

• Processor supervisor circuits
• Power supply monitoring systems
• Embedded system voltage tracking

Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through last-time-buy channels or authorized distributors. Ensure compatibility with replacement parts if production continuity is required. Check RoHS compliance documentation for regulatory adherence. Validate package integrity upon receipt.

Selection Notes

Select this part for applications requiring precise voltage monitoring with CMOS outputs. Consider the 100 us reset delay for timing-sensitive designs. Evaluate the VSOF-5 package for space-constrained PCB layouts. Compare static current consumption against low-power requirements. Verify operating temperature range suitability for the target environment.

Part Context

This component belongs to the BD49 series of standard voltage detectors. It shares functional similarities with other members like BD4944FVE-TR but differs in detection threshold. The series is characterized by high accuracy and low current consumption. It serves as a supervisory circuit for digital systems requiring reliable power management.

Replacement Considerations

BD5241G-1TR is listed as a recommended replacement with similar specifications. Note differences in package type (SSOP5 vs VSOF5) and output structure (open drain vs CMOS). Verify electrical parameter compatibility before substitution.