BD4833FVE-TR

Overview

The BD4833FVE-TR is a CMOS voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-channel supply voltages. It features a threshold voltage of 3.3 V with a precision of ±1%. The device operates within a reset active voltage range of 0.95 V to 10 V and supports a maximum power supply voltage of 10 V. It utilizes an open-drain output type with a low-active reset state. The component is housed in a VSOF-5 package and functions without manual reset or watchdog timer capabilities. It maintains a circuit current of 0.60 μA at Vs=4.8V and operates across a temperature range of -40°C to +105°C.

Feature Summary

• CMOS technology ensures low power consumption and high reliability for voltage supervision tasks.
• Open-drain output interface allows flexible connection to various logic families.
• Compact VSOF-5 surface-mount package facilitates space-constrained PCB designs.

Applications

• Portable electronic devices requiring efficient power management
• Industrial control systems needing stable voltage supervision
• Consumer electronics utilizing microcontroller reset circuits

Procurement Notes

Verify the specific suffix and package variant against the official datasheet before integration, as manufacturing updates may occur. Confirm RoHS compliance status through the latest manufacturer documentation. Ensure the source provides valid traceability for this obsolete component. Cross-reference the ordering part number with authorized distributors to avoid counterfeit risks. Validate thermal performance requirements against the specified operating temperature range.

Selection Notes

Select this component when a fixed 3.3 V threshold is required for system supervision. The open-drain output suits applications needing external pull-up resistors. Consider the VSOF-5 package dimensions for layout compatibility. Evaluate the ±1% accuracy against system tolerance requirements. Verify that the absence of a watchdog timer aligns with the application's safety needs.

Part Context

This part belongs to the BD48 series of standard voltage detectors from ROHM Semiconductor. It is designed for general-purpose voltage monitoring in portable and industrial equipment. The series emphasizes low current consumption and compact packaging. The BD4833FVE-TR specifically targets 3.3 V rail supervision in CMOS-based systems.

Replacement Considerations

BD5233G-1 is listed as a recommended replacement with similar specifications. Verify pinout compatibility and electrical parameters before substitution. Check if the alternative package requires layout modifications. Confirm that the replacement meets all environmental and regulatory requirements.