BD48E42G-MTR

Overview

The BD48E42G-MTR is a standard voltage detector designed for automotive applications, featuring a 4.2V typical detection threshold with ±1% precision. It operates within a reset active voltage range of 0.95V to 10V and utilizes an open-drain output type with a low-active reset state. The device consumes ultra-low current, specified at 0.60µA in the ON state and 0.85µA in the OFF state at Vs=4.8V. It includes hysteresis defined as Vs x 0.05 and supports an operating temperature range from -40°C to 105°C. Packaged in SSOP-5, it complies with AEC-Q100 standards.

Feature Summary

• High accuracy voltage detection with ±1% precision
• Ultra-low current consumption for power efficiency
• Automotive-grade reliability compliant with AEC-Q100
• Functional safety supportive design for automotive systems

Applications

• Automotive electronic system monitoring
• Battery voltage supervision in vehicles
• Power management circuit protection
• Microcontroller reset signal generation

Procurement Notes

Verify component authenticity through authorized Rohm Semiconductor distributors or certified partners. Confirm the specific suffix matches the required package and tape-and-reel specifications. Check for RoHS compliance documentation and ensure the part status aligns with project lifecycle requirements, as this model may be designated for existing customers only.

Selection Notes

Select this component when precise voltage monitoring is required for automotive environments. Ensure the 4.2V threshold matches the target supply rail. Verify that the open-drain output configuration integrates correctly with the downstream logic inputs. Confirm thermal performance meets the -40°C to 105°C operational range for the intended application environment.

Part Context

This device belongs to the BD48Exx series of standard voltage detectors manufactured by Rohm Semiconductor. It is specifically engineered for automotive use, offering high accuracy and low power consumption. The series supports functional safety analysis, making it suitable for critical vehicle electronics where reliable voltage supervision is essential for system integrity.

Replacement Considerations

Publicly confirmed parameter-equivalent substitutes include BD4842G-TR, BD5242G-TR, and BD52E42G-TR from Rohm Semiconductor. These alternatives maintain similar pinouts and electrical characteristics but should be validated for specific application compatibility before integration.