BD49K27G-TL

Overview

The BD49K27G-TL is a voltage detector IC from the BD49xxx series by ROHM Semiconductor. It features a CMOS output and monitors a single input channel with a detection threshold of 2.7V. The device operates within a supply voltage range of 2.3V to 10V, maintaining an accuracy of 1%. It exhibits a low operating current of 900nA and includes a fixed reset delay time of 100µs. The component is housed in a compact 3-pin SSOP package and supports surface mount installation.

Feature Summary

• High-precision voltage monitoring with 1% accuracy
• Ultra-low power consumption suitable for battery applications
• CMOS output interface for direct logic connection

Applications

• Processor supervisor circuits
• Battery voltage monitoring systems
• Portable electronic device power management

Procurement Notes

Verify the specific part number BD49K27G-TL against official ROHM documentation to confirm availability status. Check for any recent product change notices or obsolescence announcements. Ensure compatibility with the target application's voltage requirements and package constraints before procurement.

Selection Notes

Select this component when a precise 2.7V detection threshold is required with minimal quiescent current. The CMOS output simplifies integration with digital logic. Consider the 100µs reset delay for timing-sensitive applications. Verify that the 3-pin SSOP package fits the design layout.

Part Context

This device belongs to the BD49xxx series of voltage detectors, which offers various detection voltages from 2.3V to 6.0V in 0.1V increments. The series is characterized by high accuracy and low current consumption, designed for efficient power management in portable electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult ROHM technical support or authorized distributors for potential alternatives if this specific model is discontinued.