BU4914FVE-TR

Supervisors Overview

The BU4914FVE-TR is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring single power supply rails. It operates within a reset active voltage range of 0.7 to 7 V and features a typical under-voltage detection voltage of 1.4 V with ±1% precision. The device utilizes a CMOS output type with a low reset active state. It consumes 0.40 μA in the ON state and 0.55 μA in the OFF state at a detection voltage of 4.8 V. The component includes hysteresis defined as VDET x 0.05 and supports an operating temperature range from -40°C to 125°C.

Supervisors Feature Summary

• CMOS output structure providing low reset active state signaling
• High detection accuracy with ±1% precision tolerance
• Ultra-low current consumption for extended battery life
• Integrated hysteresis to prevent output oscillation

Supervisors Applications

• Portable electronic devices requiring low standby current
• Battery-powered systems needing reliable under-voltage protection
• Embedded circuits utilizing compact VSOF5 packaging

Supervisors Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to obsolete status. Confirm RoHS compliance and package integrity upon receipt. Cross-reference datasheet specifications against actual received units to ensure functional equivalence for legacy system maintenance.

Supervisors Selection Notes

Select this component for applications prioritizing minimal quiescent current and precise voltage thresholding. The CMOS output suits digital logic interfaces directly. Evaluate thermal requirements against the -40°C to 125°C operational range. Consider the VSOF5 package dimensions for PCB layout constraints in space-sensitive designs.

Supervisors Part Context

This part belongs to the BU49xx series of standard voltage detectors from ROHM Semiconductor. It is specifically engineered for power supply supervision tasks where high accuracy and low power consumption are critical. The series supports various detection voltages to accommodate different rail monitoring needs across consumer and industrial electronics.

Supervisors Replacement Considerations

The BD5214G-1 is documented as a recommended replacement with similar specifications. Verify pin compatibility between VSOF5 and SSOP5 packages during integration.