BD4959FVE-TR

Overview

The BD4959FVE-TR is a CMOS voltage detector from ROHM Semiconductor, designed for supervisory circuit applications. It features a fixed detection threshold of 5.9 V with an accuracy of ±1%. The device operates within a supply voltage range up to 10 V and includes a reset delay time of 100 µs. It utilizes a VSOF-5 surface-mount package and supports an operating temperature range from -40°C to +105°C. The component provides a single input monitoring capability with a CMOS output type.

Feature Summary

• CMOS output interface for digital logic compatibility
• Fixed threshold voltage detection without manual reset functionality
• Compact VSOF-5 surface-mount packaging

Applications

• Power supply supervision in electronic systems
• Voltage monitoring for microprocessor reset circuits
• Battery voltage level detection

Procurement Notes

Verify component authenticity through authorized channels as the part status is listed as obsolete. Confirm RoHS compliance details via official documentation before integration. Ensure storage conditions meet manufacturer specifications to maintain reliability. Cross-reference datasheet revisions to confirm pinout and electrical characteristics match design requirements.

Selection Notes

Select this component when a fixed 5.9 V detection threshold is required for system supervision. Consider the VSOF-5 package constraints for PCB layout. Evaluate the 100 µs reset delay against system timing requirements. Verify that the CMOS output drive capability meets downstream load needs.

Part Context

This component belongs to the BD49 series of standard voltage detectors manufactured by ROHM Semiconductor. The series focuses on low-power monitoring solutions with precise threshold accuracy. The BD4959FVE-TR variant specifically targets applications requiring a 5.9 V detection point within a compact surface-mount form factor.

Replacement Considerations

BD4953FVE-TR is documented as a replacement option with similar specification levels.