BU4914F-TR

Supervisors Overview

The BU4914F-TR is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-input power supply lines. It operates within a supply voltage range of 0.7 V to 7 V and features a typical under-voltage detection threshold of 1.4 V with ±1% precision. The device utilizes a CMOS output type and includes a reset active state that remains low. It supports an operating temperature range from -40°C to 125°C and is housed in a VSOF5 package.

Supervisors Feature Summary

• CMOS output interface for digital logic compatibility
• High accuracy voltage detection with ±1% precision
• Wide operating temperature range suitable for industrial environments

Supervisors Applications

• Power supply supervision in electronic systems
• Microprocessor reset circuit generation
• Battery voltage monitoring applications

Supervisors Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors or secondary markets. Ensure replacement strategies are aligned with current inventory levels and long-term supply chain stability requirements.

Supervisors Selection Notes

Select this component when a CMOS output is required for voltage monitoring. Consider the specific 1.4 V threshold and VSOF5 package constraints. Evaluate thermal performance within the specified temperature range and ensure compatibility with system voltage levels up to 7 V.

Supervisors Part Context

This part belongs to the BU4914 series of standard voltage detectors from ROHM. It is functionally similar to other parts in the family but distinguished by its specific threshold voltage and package configuration. The series is designed for general-purpose power management supervision tasks.

Supervisors Replacement Considerations

BD5214G-1 is listed as a recommended replacement with similar specifications.