BU4910FVE-TR

Supervisors Overview

The BU4910FVE-TR is a single-channel voltage detector manufactured by ROHM Semiconductor, designed for supervisory circuit applications. It features a CMOS output type with an adjustable reset delay timer and low active state logic. The device monitors input voltages within a range of 0.7 V to 7 V, utilizing a typical under-voltage detection threshold of 1.0 V with a precision of ±1% or ±5 mV. Hysteresis is set at 5% of the detection voltage. Operating current is specified at 0.40 μA when active and 0.55 μA in standby mode. The component supports a supply voltage range from 0.8 V to 6 V for reset activation and functions across a temperature range of -40°C to +125°C.

Supervisors Feature Summary

• Provides precise voltage monitoring with adjustable reset timing capabilities
• Features ultra-low power consumption suitable for battery-operated systems
• Includes built-in hysteresis to prevent output oscillation during threshold transitions

Supervisors Applications

• Portable electronic devices requiring efficient power management
• Battery-powered equipment needing low quiescent current supervision
• Embedded systems utilizing microcontrollers with specific voltage thresholds

Supervisors Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm package integrity and lead time constraints as availability may be limited. Ensure compatibility with existing design parameters before procurement, considering potential obsolescence risks associated with discontinued manufacturing lines.

Supervisors Selection Notes

Select this component for designs requiring precise voltage supervision with minimal power draw. The adjustable delay timer allows customization for system startup sequences. Verify that the operating voltage range aligns with the target application's power rail specifications to ensure reliable detection performance.

Supervisors Part Context

This part belongs to the BU49xx series of standard voltage detectors from ROHM Semiconductor. It serves as a critical component in power management integrated circuits, offering reliable supervision for digital logic levels. The series is known for high accuracy and low power characteristics, making it suitable for various consumer and industrial electronics.

Supervisors Replacement Considerations

The BD5210G-1TR is listed as a similar specification replacement option. Evaluate pin compatibility and electrical parameter alignment before substitution. Consider design modifications if interface differences exist between the original and substitute components.