BU4930FVE-TR

Supervisors Overview

The BU4930FVE-TR is a standard voltage detector IC from ROHM Semiconductor, classified as a high-accuracy low current consumption CMOS reset IC. It features a typical under-voltage detection voltage of 3.0V with a precision of ±1%. The device supports a reset active voltage range of 0.7V to 7V and utilizes a CMOS output type. It operates without a reset delay timer, manual reset, or watchdog timer. The circuit current is specified at 0.40μA (ON) and 0.55μA (OFF) at Vs=4.8V. Hysteresis is set at Vdet x 0.05. It is housed in a VSOF5 package and is marked as End-of-Life.

Supervisors Feature Summary

• High-accuracy voltage monitoring with ±1% detection precision
• Ultra-low power consumption suitable for battery-operated systems
• CMOS output interface for direct logic integration
• Compact surface-mount packaging for space-constrained designs

Supervisors Applications

• Processor supervisor circuits requiring precise voltage monitoring
• Battery-powered portable devices needing low quiescent current
• Embedded systems utilizing CMOS logic families
• General-purpose voltage detection in consumer electronics

Supervisors Procurement Notes

This component is designated as End-of-Life by the manufacturer. Verification of final purchase availability through authorized channels is essential. Ensure compatibility with existing PCB layouts due to the VSOF5 package dimensions. Confirm RoHS compliance status for regulatory adherence in target markets.

Supervisors Selection Notes

Select this part when a fixed 3.0V threshold is required with high accuracy. The CMOS output type suits applications avoiding open-drain limitations. Consider the low current consumption for energy-sensitive designs. Verify that the absence of a watchdog timer meets system reliability requirements.

Supervisors Part Context

Part of the BU49xx series of standard CMOS reset ICs. Designed for applications requiring precise voltage supervision with minimal power draw. The series offers various detection voltages in 0.1V increments. Manufactured by ROHM Semiconductor for industrial and consumer electronic markets.

Supervisors Replacement Considerations

BD5230G-1TR is listed as a similar specification replacement. Note differences in package type (SSOP5 vs VSOF5) and output structure (Open Drain vs CMOS). Verify electrical parameter compatibility before substitution.