BD5242G-TR

Overview

The BD5242G-TR is a voltage detector IC from the BD52 series by ROHM Semiconductor, designed for monitoring single power supply rails. It features an adjustable reset delay timer and operates within a detection voltage range of 0.8V to 6V with a typical threshold precision of ±0.9%. The device utilizes an open-drain output type and supports a supply voltage range from 2.3V to 10V. It is housed in a compact SSOP-5 package and functions reliably across an extended temperature range of -40°C to +105°C.

Feature Summary

• Adjustable reset delay timer functionality for customized timing control
• High accuracy voltage detection with specified threshold precision
• Open-drain output configuration for flexible interface compatibility

Applications

• Monitoring power supply voltages in embedded systems
• Providing reset signals for microcontrollers and logic circuits
• Ensuring system stability during power-up and power-down sequences

Procurement Notes

Verify component authenticity through authorized channels due to its status as not recommended for new designs. Confirm package integrity and pin alignment against the official datasheet specifications before integration. Ensure storage conditions comply with moisture sensitivity levels to maintain reliability. Cross-reference ordering information with current manufacturer documentation to avoid obsolete stock issues.

Selection Notes

Select this component when a low-cost, single-channel voltage monitor with adjustable delay is required. Consider the open-drain output capability for interfacing with various logic families. Evaluate the operating voltage range against the target application's supply rail. Assess the thermal performance requirements against the specified temperature limits for the intended environment.

Part Context

This part belongs to the BD52 series of voltage detectors, which are optimized for nano-energy applications. The series provides reliable supervision for digital circuits with minimal quiescent current consumption. The BD5242G-TR variant specifically offers adjustable delay features, distinguishing it from fixed-delay counterparts within the same product family line.

Replacement Considerations

BD5242G-1TR is a confirmed substitute with similar pinout and package.