BD4954FVE-TR

Overview

The BD4954FVE-TR is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-input power supply voltages. It operates within a maximum supply voltage of 10 V and features a CMOS output type with a typical under-voltage detection threshold of 5.4 V. The device offers high accuracy with a detection precision of ±1% and includes a reset delay timer function. It is housed in a compact VSOF-5 surface-mount package, suitable for space-constrained applications requiring reliable supervisory circuitry.

Feature Summary

• CMOS output interface for direct logic integration
• High detection accuracy with ±1% precision
• Integrated reset delay timer functionality
• Compact VSOF-5 surface-mount packaging

Applications

• Power supply voltage monitoring systems
• Microprocessor reset circuits
• Embedded system supervision
• Portable electronic device power management

Procurement Notes

Verify component authenticity through authorized distributors or official manufacturer channels due to end-of-life status. Confirm RoHS compliance documentation matches current regulatory requirements. Validate package marking and pinout alignment against the official datasheet before procurement to ensure compatibility with existing PCB footprints and assembly processes.

Selection Notes

Select this component when a fixed 5.4 V threshold with CMOS output is required. Ensure the VSOF-5 package fits the design constraints. Consider the ±1% accuracy and 100 us reset delay for timing-sensitive applications. Verify that the 10 V maximum supply voltage meets the system's operational range requirements.

Part Context

This part belongs to the BD49 series of standard voltage detectors from ROHM Semiconductor. It is categorized under PMIC - Power Management ICs and Supervisory Circuits. The device is specifically engineered for low-power monitoring tasks in consumer and industrial electronics, providing essential protection against undervoltage conditions.

Replacement Considerations

BD5250G-1 is listed as a recommended replacement with similar specifications, though it features an SSOP-5 package and open-drain output instead of CMOS.