BD5242G-1TR

Overview

The BD5242G-1TR is a voltage detector IC from ROHM Semiconductor, designed for monitoring single-input power supplies. It features a typical threshold voltage of 4.2V with a precision of ±0.9%. The device supports an adjustable reset delay timer and provides an open-drain output active at low voltage. It operates within a supply voltage range of 2.3V to 10V and maintains accuracy across a temperature range of -40°C to +85°C. The circuit consumes ultra-low current, typically 0.23μA in operation and 0.27μA in standby. Packaged in a compact SSOP-5 format, it is suitable for space-constrained applications requiring reliable voltage supervision.

Feature Summary

• Ultra-low power consumption with nano-energy efficiency for extended battery life
• Adjustable reset delay timer allows customizable timing for system stability
• High detection accuracy with ±0.9% precision on the threshold voltage
• Open-drain output configuration compatible with various logic levels

Applications

• Portable electronic devices requiring efficient power management
• Battery-operated systems needing precise voltage supervision
• Embedded circuits utilizing single-input power monitoring
• Automotive electronics where low quiescent current is critical

Procurement Notes

Verify the specific ordering suffix and package type against the official datasheet to ensure compatibility with your design requirements. Confirm the supply status, as availability may vary by region or distributor. Check for RoHS compliance and environmental certifications if required for your manufacturing process. Ensure the operating temperature range meets your application's environmental conditions before finalizing procurement decisions.

Selection Notes

Select this component when a single-channel voltage monitor with high precision and adjustable delay is required. The open-drain output offers flexibility in interfacing with different logic families. Consider the low standby current for battery-powered designs. Compare the 4.2V threshold against other variants in the BD52xx series if different trip points are needed. Ensure the SSOP-5 package fits within the available PCB footprint constraints.

Part Context

This part belongs to the BD52xxG series of voltage detectors from ROHM Semiconductor. These ICs are designed for power management applications, offering features like adjustable delays and low current consumption. The BD5242G-1TR specifically targets the 4.2V threshold segment, providing a balance between accuracy and power efficiency for modern electronic systems.

Replacement Considerations

BD5242G-TR is a similar level replacement with the same pinout and package, though it may have different supply status or minor parameter variations. Verify electrical characteristics and packaging details before substitution.