BD45395G-TR

Overview

The BD45395G-TR is a voltage detector IC from the BD45 series by ROHM Semiconductor, designed for processor supervision. It features a fixed detection threshold of 3.9 V with an accuracy of ±1%. The device operates within a supply voltage range up to 10 V and includes a manual reset function. It utilizes an open-drain output type and provides a fixed reset delay time of 50 ms without requiring external capacitors. The component supports surface-mount installation in an SSOP-5 package and functions across a temperature range of -40°C to +105°C.

Feature Summary

• Built-in counter timer delay circuit eliminates the need for external capacitors for delay time setting.
• High precision voltage detection with ±1% accuracy for reliable system monitoring.
• Low current consumption design suitable for power-sensitive applications.

Applications

• Processor supervisor circuits
• Voltage monitoring systems
• Reset signal generation

Procurement Notes

Verify availability status as the component may be discontinued or subject to last-time-buy restrictions. Confirm RoHS compliance details through official documentation. Ensure the SSOP-5 package matches PCB footprint requirements. Check for alternative recommended parts if supply chain continuity is critical for long-term production.

Selection Notes

Select this component when a fixed 3.9 V threshold and 50 ms delay are required. Consider the open-drain output capability for interfacing with various logic levels. Evaluate the manual reset feature against automatic reset needs. Compare static current consumption with other series members if power efficiency is a primary constraint.

Part Context

This part belongs to the BD45xxx series of highly accurate, low current consumption voltage detector ICs. The series offers a wide range of detection voltages in 0.1V steps. The BD45395G-TR specifically targets applications needing precise supervision at the 3.9 V level with integrated timing functionality.

Replacement Considerations

BD5239G-1 is listed as a recommended replacement with similar specifications. Verify package compatibility and electrical parameter alignment before substitution.