BU4925FVE-TR

Supervisors Overview

The BU4925FVE-TR is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring power supply voltages in electronic circuits. It features an under-voltage detection threshold of 2.5 V with a precision of ±1%. The device operates within a reset active voltage range of 0.7 to 7 V and utilizes a CMOS output type. Key electrical characteristics include a typical circuit current of 0.40 μA when on and 0.55 μA when off at Vdet=4.8V. It incorporates a hysteresis voltage defined as Vdet x 0.05. The component is supplied in a VSOF5 package (SSOP5) with tape packing.

Supervisors Feature Summary

• Provides precise under-voltage detection with high accuracy for reliable system supervision.
• Features ultra-low current consumption suitable for battery-powered applications.
• Includes built-in hysteresis to prevent output oscillation during voltage transitions.

Supervisors Applications

• Microprocessor power supply monitoring
• Portable battery-operated equipment
• Multi-output power supplies

Supervisors Procurement Notes

Verify the specific suffix and package variant against the official datasheet to ensure compatibility with design requirements. Confirm RoHS compliance status and check for any end-of-life notices or last-time-buy recommendations from the manufacturer before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a fixed 2.5 V detection threshold is required with minimal quiescent current. Ensure the operating voltage range aligns with the system's supply rails and that the VSOF5 package fits the PCB layout constraints. Verify temperature range suitability for the intended environment.

Supervisors Part Context

This part belongs to the BU49xx series of voltage detectors from ROHM Semiconductor. These devices are engineered for low-power applications requiring accurate voltage supervision. The series typically offers various detection thresholds and packages to support diverse embedded system designs.

Supervisors Replacement Considerations

BD5225G-1 is listed as a similar specification replacement option. Verify pinout compatibility and exact parameter matching before substitution.

Supervisors FAQ

Does the BU4925FVE-TR include a manual reset function?

No, the BU4925FVE-TR does not feature a manual reset input; it operates automatically based on the detected voltage level.

What is the output configuration of this voltage detector?

The device utilizes a CMOS output type for interfacing with downstream logic circuits.