BD49E24G-MTR

Overview

The BD49E24G-MTR is a high-accuracy voltage detector designed for automotive applications, manufactured by ROHM Semiconductor. It features a CMOS output type and monitors a single input with a threshold voltage of 2.4 V. The device operates within a supply voltage range of 0.95 V to 10 V and maintains an accuracy of 1%. It includes a reset delay time of 100 us and functions without manual reset or watchdog timer capabilities. The component is qualified under AEC-Q101 standards and operates across a temperature range of -40°C to +105°C.

Feature Summary

• High accuracy detection with ±1% precision
• Automotive grade qualification (AEC-Q101)
• Ultra-low current consumption
• CMOS output interface

Applications

• Automotive power management systems
• Voltage supervision in electronic control units
• Battery monitoring circuits

Procurement Notes

Verify the RoHS compliance status through official documentation before procurement. Confirm that the AEC-Q101 qualification aligns with specific project requirements. Ensure the SSOP-5 package dimensions match the PCB layout constraints. Check for any end-of-life notices as the component may be restricted for new designs.

Selection Notes

Select this component when a precise 2.4 V threshold is required for automotive voltage monitoring. The CMOS output is suitable for direct interfacing with digital logic. Consider the 100 us reset delay for timing-sensitive applications. Verify compatibility with the system's operating temperature range of -40°C to +105°C.

Part Context

This part belongs to the BD49ExxG-M series of standard voltage detectors. It is designed specifically for automotive use, offering high reliability and low power consumption. The series supports functional safety analysis, making it suitable for critical automotive electronics where voltage supervision is essential for system integrity.

Replacement Considerations

BD5224G-1TR is listed as a recommended replacement with the same package. Note differences in output type and delay timer features when substituting.