BD49E25G-MTR

Overview

The BD49E25G-MTR is a standard voltage detector designed for automotive applications, featuring a typical detection voltage of 2.5 V with ±1% precision. It operates within a reset active voltage range of 0.95 V to 10 V and utilizes a CMOS output type. The device draws a circuit current of 0.60 µA in the ON state and 0.85 µA in the OFF state at Vs=4.8V. It includes hysteresis voltage defined as Vs x 0.05, with low-level output current of 0.4 mA and high-level output current of 2 mA. Operating temperatures range from -40°C to 105°C, housed in an SSOP-5 package.

Feature Summary

• High accuracy voltage detection with ±1% precision
• Ultra-low current consumption suitable for battery monitoring
• Automotive grade qualification supporting functional safety analysis

Applications

• Automotive power supply monitoring
• Battery voltage supervision systems
• Electronic control unit (ECU) reset circuits

Procurement Notes

Verify component authenticity through authorized ROHM distributors or direct manufacturer channels. Confirm AEC-Q100 qualification status and RoHS compliance documentation prior to integration. Ensure the specific suffix matches the required tape-and-reel packaging format. Validate that the part number corresponds to the exact 2.5V threshold variant required for the design specifications.

Selection Notes

Select this component when precise 2.5V threshold monitoring is required for automotive environments. The CMOS output interface simplifies logic interfacing without additional pull-up components. Consider the ultra-low standby current for energy-sensitive applications. Verify that the SSOP-5 package dimensions fit the available PCB footprint constraints.

Part Context

This part belongs to the BD49ExxG-M series of high-accuracy voltage detectors. It is specifically engineered for automotive use, meeting AEC-Q100 standards. The series offers various detection voltages while maintaining consistent low power consumption and high precision characteristics across different threshold options.

Replacement Considerations

Check for BD49E25G-M as a potential alternative package variant. Verify compatibility with other BD49ExxG-M series parts if different thresholds are acceptable.