BD48E28G-MTR

Overview

The BD48E28G-MTR is a high-accuracy voltage detector designed for automotive applications, manufactured by Rohm Semiconductor. It features an under-voltage detection threshold of 2.8V with a precision of ±1%. The device operates within a supply voltage range of 0.95V to 10V and utilizes an open-drain output type. It includes a reset delay timer and supports manual reset functionality. The component is RoHS compliant and qualified under AEC-Q100 standards for automotive use.

Feature Summary

• High accuracy voltage detection with ±1% precision
• Automotive grade qualification (AEC-Q100)
• Open-drain output configuration
• Integrated reset delay timer

Applications

• Automotive power supply monitoring
• Microcontroller reset circuits
• Battery voltage supervision
• Electronic control unit protection

Procurement Notes

Verify the specific suffix G-MTR against the official datasheet to confirm package type and tape-and-reel specifications. Confirm functional safety classification if required for your design. Check current supply status as this series may be subject to end-of-life restrictions or last-time-buy notices depending on regional availability and production schedules.

Selection Notes

Select this component when a precise 2.8V threshold is required for automotive systems. Ensure compatibility with open-drain logic levels in the target circuit. Consider the operating temperature range of -40°C to 105°C for environmental suitability. Verify that the reset delay characteristics meet the system's timing requirements for stable power-up sequences.

Part Context

This part belongs to the BD48Exx series of voltage detectors from Rohm Semiconductor. These devices are specifically engineered for automotive electronics, offering high reliability and accuracy. The series typically includes various threshold voltages to accommodate different system requirements while maintaining consistent package and pinout configurations for design flexibility.

Replacement Considerations

BD5228G-1TR is listed as a recommended replacement with the same SSOP5 package. Verify electrical parameter compatibility, particularly regarding reset delay adjustability and current consumption differences before substitution.