BU4826F-TR

Supervisors Overview

The BU4826F-TR is a standard voltage detector IC manufactured by ROHM Semiconductor, designed for monitoring power supply voltages. It features an open-drain output type and operates within a reset active voltage range of 0.7 to 7 V. The typical under-voltage detection voltage is 2.6 V with a precision of ±1%. The circuit consumes 0.40 μA when on (at Vdet=4.8V) and 0.55 μA when off. It includes a hysteresis voltage defined as Vdet x 0.05. The device is supplied in an SOP-4 package and supports RoHS compliance.

Supervisors Feature Summary

• Provides precise under-voltage detection with high accuracy for reliable system supervision.
• Features low power consumption suitable for battery-operated or energy-efficient applications.
• Includes built-in hysteresis to prevent output oscillation during threshold transitions.

Supervisors Applications

• Power supply monitoring in consumer electronics
• System reset generation for microcontrollers
• Battery management systems requiring voltage supervision

Supervisors Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet to ensure compatibility with design requirements. Confirm that the component status aligns with project timelines, as availability may be limited for end-of-life products. Cross-reference the pinout and electrical characteristics with the latest manufacturer documentation before integration.

Supervisors Selection Notes

Select this component when a fixed 2.6 V detection threshold is required with minimal quiescent current. Ensure the application voltage range falls within the specified 0.7 to 7 V operational window. Consider the open-drain output configuration for interfacing with various logic levels. Verify thermal performance within the specified temperature range for the intended environment.

Supervisors Part Context

The BU4826F-TR belongs to ROHM's standard voltage detector series, offering a compact solution for power supervision. It is part of a family of CMOS voltage detectors designed for general-purpose use. The -TR suffix indicates tape-and-reel packaging for automated assembly. This model provides a balance of precision and low power consumption for embedded systems.

Supervisors Replacement Considerations

The BD5226G-1 is listed as a similar specification replacement option. Verify electrical parameters, package dimensions, and pinout compatibility before substitution. Ensure the alternative component meets all functional requirements of the original design.