BD49E28G-MTR

Overview

The BD49E28G-MTR is a high-accuracy voltage detector designed for automotive applications, manufactured by ROHM Semiconductor. It features a CMOS output type and operates within a supply voltage range of 0.95 V to 10 V. The device provides a threshold voltage of 2.8 V with a reset delay time of 100 µs. It is housed in an SSOP-5 package and supports surface mount installation. The component is qualified under AEC-Q101 standards and functions reliably across a temperature range of -40°C to +105°C.

Feature Summary

• High accuracy voltage detection suitable for automotive environments
• CMOS output interface for direct logic integration
• AEC-Q101 qualified for automotive reliability requirements

Applications

• Automotive power management systems
• Microprocessor reset circuits
• Battery voltage monitoring

Procurement Notes

Verify the specific suffix MTR indicates tape-and-reel packaging when sourcing. Confirm AEC-Q101 qualification status matches project requirements. Check current lifecycle status as automotive components may transition to recommended alternatives. Ensure compatibility with existing SSOP-5 footprints during procurement planning.

Selection Notes

Select this component for designs requiring precise voltage supervision in automotive contexts. The CMOS output simplifies interfacing with digital controllers. Verify that the 2.8 V threshold aligns with system reset requirements. Consider the operating temperature range for harsh environment deployment.

Part Context

This part belongs to the BD49ExxG-M series of voltage detectors from ROHM. The series is characterized by high precision and low current consumption. It targets automotive electronics where reliability and strict voltage monitoring are critical. The MTR suffix denotes reel packaging for automated assembly processes.

Replacement Considerations

BD5228G-1 is listed as a similar specification replacement with the same package.