BU4827FVE-TR

Supervisors Overview

The BU4827FVE-TR is a standard voltage detector IC from Rohm Semiconductor, designed for monitoring power supply voltages. It features an open-drain output type with a typical under-voltage detection voltage of 2.7V and a precision of ±1%. The reset active voltage range spans from 0.7V to 7V. The device operates within a temperature range of -40°C to 125°C and consumes a circuit current of 0.40μA when on (at Vdet=4.8V) and 0.55μA when off. It utilizes a VSOF5 package.

Supervisors Feature Summary

• Provides high-accuracy voltage monitoring with low current consumption suitable for battery-powered applications.
• Features an open-drain output configuration compatible with various logic families.
• Operates over a wide temperature range to ensure reliability in diverse environmental conditions.

Supervisors Applications

• Portable electronic devices requiring precise power management
• Battery-operated equipment needing low standby current
• General-purpose voltage supervision in embedded systems

Supervisors Procurement Notes

Verify the specific suffix FVE against the official datasheet to confirm package type and tape/reel specifications. Confirm RoHS compliance status as per the latest manufacturer documentation. Check for obsolescence notices or last-time buy recommendations directly from Rohm Semiconductor authorized distributors before finalizing procurement plans.

Supervisors Selection Notes

Select this component when a fixed 2.7V threshold is required with open-drain output capability. Ensure the application voltage stays within the 0.7V to 7V reset active range. Consider the VSOF5 package dimensions for PCB layout constraints. Verify that the ±1% precision meets the system's tolerance requirements without additional calibration.

Supervisors Part Context

This part belongs to the BU48xx series of standard CMOS reset ICs. The series offers detection voltages from 0.9V to 4.8V in 0.1V increments. It is characterized by high accuracy and low current consumption, making it suitable for various supervisory applications where power efficiency is critical.

Supervisors Replacement Considerations

BD5227G-1 is listed as a similar specification replacement. Verify pin compatibility and electrical parameter alignment, particularly the reset delay timer and hysteresis characteristics, before substitution.