BD5239FVE-TR

Overview

The BD5239FVE-TR is a voltage detector manufactured by ROHM Semiconductor, designed for monitoring power supply levels in electronic circuits. It features an adjustable delay timer and operates within a reset active voltage range of 0.95 to 10 V. The typical under-voltage detection voltage is 3.9 V with a precision of ±1%. The device utilizes an open-drain output type and maintains a low reset active state. It functions without manual reset or watchdog timer capabilities. The component supports a maximum operating temperature of 105°C and a minimum of -40°C, housed in a VSOF5 package measuring 1.6x1.6 mm with a thickness of 0.6 mm.

Feature Summary

• Features an adjustable delay timer for customizable reset timing
• Provides high detection precision with ±1% accuracy
• Supports wide reset active voltage range from 0.95 V to 10 V

Applications

• Power supply monitoring systems
• Microprocessor reset circuits
• Embedded system supervision

Procurement Notes

Verify the specific ordering suffix and package configuration against official datasheets before procurement. Confirm current supply status as the component may be subject to end-of-life restrictions. Ensure compatibility with existing PCB footprints and thermal requirements. Cross-reference replacement options if availability is constrained.

Selection Notes

Select this component when precise voltage monitoring with adjustable delay is required. Consider the open-drain output capability for interfacing with various logic levels. Evaluate the operating temperature range against environmental conditions. Verify that the VSOF5 package dimensions fit the design constraints.

Part Context

This part belongs to the BD52 series of voltage detectors from ROHM Semiconductor. It is designed for general-purpose power management applications requiring reliable supervision. The series offers various detection voltages and package options to suit different circuit designs.

Replacement Considerations

BD5239G-1 is listed as a recommended replacement with the same pinout.