BD4927G-TR

Overview

The BD4927G-TR is a standard voltage detector manufactured by Rohm Semiconductor, designed for monitoring single power supply lines. It features a fixed threshold voltage of 2.7V with an accuracy of ±1%. The device utilizes a CMOS output type that provides an active-low reset signal. It operates within a supply voltage range of 0.95V to 10V and supports a wide operating temperature range from -40°C to +105°C. The component is housed in a compact 5-pin SSOP package and is supplied in tape and reel packaging.

Feature Summary

• CMOS output structure providing active-low reset functionality
• High detection accuracy with ±1% threshold voltage precision
• Wide operating supply voltage range supporting various logic levels
• Compact 5-pin SSOP surface-mount package design

Applications

• Microprocessor system reset circuits
• Battery-powered device power management
• Portable equipment voltage supervision
• General-purpose electronic circuit protection

Procurement Notes

Verify the specific ordering suffix and package variant when sourcing, as availability may vary by region. Confirm RoHS compliance status through official documentation prior to integration. Check current lifecycle status, as this component may be designated as not recommended for new designs. Ensure compatibility with existing PCB footprints and reflow soldering profiles during procurement planning.

Selection Notes

Select this component for applications requiring a fixed 2.7V detection threshold with high precision. The CMOS output is suitable for direct interfacing with digital logic inputs. Consider the operating temperature range and supply voltage limits against system requirements. Evaluate alternative packages if space constraints differ from the standard SSOP-5 form factor.

Part Context

This part belongs to Rohm's standard voltage detector series, focusing on reliable power supervision for consumer and industrial electronics. The BD4927G-TR represents a specific threshold variant within the broader family of voltage detectors offered by the manufacturer, tailored for systems needing precise low-voltage monitoring.

Replacement Considerations

BD5227G-1TR is a confirmed replacement option with the same package and similar detection voltage.