BD4854G-TR

Overview

The BD4854G-TR is a standard CMOS voltage detector IC from ROHM Semiconductor, designed for processor supervision in compact electronic systems. It features an N-channel open-drain output and operates within a supply voltage range of 0.95V to 10V. The device provides a fixed detection threshold of 5.4V with a typical accuracy of ±1%. It includes a reset delay timer and exhibits low power consumption, drawing approximately 0.60μA at 4.8V when active. The component is housed in a space-saving SSOP-5 package and supports operation across a wide industrial temperature range.

Feature Summary

• Provides precise voltage monitoring with high detection accuracy for reliable system supervision
• Features an N-channel open-drain output compatible with various logic families
• Incorporates a built-in reset delay timer to ensure stable signal transitions
• Designed for ultra-low current consumption to extend battery life in portable devices

Applications

• Processor supervisor circuits requiring fixed voltage thresholds
• Battery-powered portable electronics needing low standby current
• Industrial control systems operating in wide temperature environments
• General-purpose voltage monitoring in embedded systems

Procurement Notes

Verify the specific part number BD4854G-TR against official ROHM documentation to confirm availability status. Check for any end-of-life notices or last-time-buy notifications associated with this component. Ensure compatibility with your target application's voltage and temperature requirements before procurement.

Selection Notes

Select this component when a fixed 5.4V detection threshold is required with high accuracy. Consider its low current consumption for battery-sensitive designs. Verify that the SSOP-5 package fits your PCB layout constraints. Ensure the open-drain output configuration aligns with your downstream logic interface requirements.

Part Context

This component belongs to the BD48 series of standard CMOS voltage detectors. The series offers various fixed detection voltages and packages. The BD4854G-TR specifically targets applications needing a 5.4V threshold with integrated reset delay functionality in a compact surface-mount package.

Replacement Considerations

BD5250G-1TR is listed as a recommended replacement with the same SSOP-5 package. Note differences in detection voltage (5.0V vs 5.4V) and adjustable delay features.