BD45E232G-MTR

Overview

The BD45E232G-MTR is a fixed delay voltage detector manufactured by Rohm Semiconductor, designed for automotive applications. It features a threshold voltage of 2.3 V and a reset delay time of 100 msec. The device operates within a supply voltage range up to 10 V and consumes a typical operating current of 850 nA. It provides an open-drain output with manual reset capability and maintains an accuracy of 1%. Certified under AEC-Q101, it functions reliably across a temperature range of -40°C to +105°C in a 5-SSOP package.

Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• Ultra-low power consumption suitable for battery-backed systems
• Integrated manual reset function for system control flexibility

Applications

• Microprocessor reset circuits in automotive ECUs
• Battery voltage monitoring in vehicle electronics
• Power management supervision in embedded automotive modules

Procurement Notes

Verify the specific suffix and packaging configuration against the official Rohm datasheet to ensure compatibility with automated assembly processes. Confirm that the AEC-Q101 qualification meets the specific functional safety requirements of the target application. Check for any end-of-life notices or recommended new designations from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a precise 2.3 V detection threshold is required for automotive supervisory circuits. The fixed 100 msec delay ensures stable power-up sequencing without external timing components. Consider the open-drain output interface for compatibility with various logic levels in microcontroller systems requiring manual intervention capabilities.

Part Context

This part belongs to the BD45ExxxG-M series of voltage detectors optimized for automotive environments. The series offers various threshold voltages while maintaining consistent low-power characteristics and robust performance under extreme temperature conditions typical in vehicle operations.

Replacement Considerations

BD45E231G-MTR: Similar threshold but different delay characteristics. BD45E242G-MTR: Higher threshold voltage variant. Verify electrical parameters and pinout compatibility before substitution.