BD4831G-TR

Overview

The BD4831G-TR is a standard CMOS voltage detector manufactured by Rohm Semiconductor. It monitors a single input channel with a typical threshold voltage of 3.1V and ±1% precision. The device features an open-drain output that provides a low-active reset signal. It operates within a supply voltage range of 0.95V to 10V and consumes ultra-low current, typically 600nA in the active state and 850nA when off. The component supports a wide operating temperature range from -40°C to 105°C and is housed in a compact 5-SSOP package.

Feature Summary

• Ultra-low power consumption for extended battery life
• High accuracy voltage detection with fixed threshold
• Compact surface-mount packaging for space-constrained designs

Applications

• Portable electronic devices requiring efficient power management
• Battery-operated systems needing reliable voltage supervision
• Embedded circuits utilizing microcontrollers or logic gates

Procurement Notes

Verify component authenticity through authorized distributors due to discontinued status. Confirm RoHS compliance and package integrity upon receipt. Cross-reference datasheet revisions to ensure compatibility with existing design specifications. Validate replacement options if new production runs are required.

Selection Notes

Select this component for applications demanding precise voltage monitoring with minimal quiescent current. Ensure the supply voltage remains within the specified operational limits. Consider the open-drain output configuration for interfacing with compatible logic families. Evaluate thermal performance within the designated operating temperature range.

Part Context

This part belongs to the BD48xxx series of standard voltage detectors designed for general-purpose power supply monitoring. It complements other Rohm supervisory ICs offering similar functionality with varying thresholds or packages. The series emphasizes reliability and low power consumption for consumer and industrial electronics.

Replacement Considerations

The BD5231G-2MTR is documented as a parameter-equivalent substitute. Verify pinout compatibility and electrical characteristics before implementation.