BD45E241G-MTR

Overview

The BD45E241G-MTR is a CMOS voltage detector IC from ROHM Semiconductor, designed for under-voltage detection with a typical threshold of 2.4 V and ±1% precision. It features a fixed reset delay timer of 100 msec and operates within a supply voltage range of 0.95 V to 10 V. The device provides an open-drain output and supports manual reset functionality. It consumes ultra-low current, specified as 850 nA maximum, and includes built-in counter timers without requiring external delay-setting capacitors. Qualified under AEC-Q100 standards for automotive applications, it operates across a temperature range of -40°C to +105°C in an SSOP-5 package.

Feature Summary

• Built-in counter timer eliminates the need for external delay-setting capacitors
• Ultra-low current consumption design suitable for battery-powered systems
• Automotive-grade qualification supporting functional safety analysis
• Manual reset capability allows active control over system initialization

Applications

• Automotive electronic control unit monitoring
• Battery backup power supply supervision
• Microprocessor reset circuit generation
• Portable device power management

Procurement Notes

Verify component authenticity through authorized distribution channels due to end-of-life status. Confirm RoHS compliance documentation matches specific manufacturing lots. Ensure storage conditions adhere to moisture sensitivity level requirements prior to assembly. Validate that the SSOP-5 footprint aligns with existing PCB designs, noting similarities to SOT-23-5 dimensions.

Selection Notes

Select this component when precise under-voltage detection at 2.4 V is required with minimal quiescent current draw. The fixed 100 msec delay suits applications needing stable power-up sequencing without external timing components. Consider the open-drain output compatibility with various logic families. Verify thermal performance within the -40°C to +105°C range for target environmental conditions.

Part Context

This part belongs to the BD45ExxxG-M series of voltage detectors, characterized by integrated timer functions and low power operation. The series targets automotive and industrial markets requiring reliable supervision circuits. The BD45E241G-MTR specifically offers a 2.4 V threshold variant within this family, maintaining consistent package and electrical characteristics across different detection voltages.

Replacement Considerations

BD45E241G-M is a verified substitute offering identical electrical specifications and pinout configuration.