BU4829FVE-TR

Supervisors Overview

The BU4829FVE-TR is a single-channel voltage detector manufactured by Rohm Semiconductor, designed for supervisory circuit applications. It features an open-drain output with low-active reset logic and operates within a supply voltage range of 0.7 V to 7 V. The device detects under-voltage conditions at a typical threshold of 2.9 V with ±1% accuracy. It includes adjustable reset delay timing and maintains a static current of 450 nA. The component functions reliably across an industrial temperature range of -40°C to +125°C and is housed in a compact VSOF-5 surface-mount package.

Supervisors Feature Summary

• Provides precise under-voltage detection with adjustable reset delay timing capabilities
• Features low-power operation with minimal static current consumption for battery efficiency
• Delivers reliable system supervision through open-drain output compatible with various logic levels

Supervisors Applications

• Portable electronic devices requiring low standby power consumption
• Battery-powered systems needing accurate voltage monitoring
• Industrial control circuits operating in extreme temperature environments

Supervisors Procurement Notes

Verify the specific suffix and packaging configuration against official Rohm documentation before procurement. Confirm that the VSOF-5 package dimensions align with your PCB footprint requirements. Ensure compatibility with your assembly process regarding the surface-mount technology specifications. Check for any recent lifecycle updates or end-of-life notices directly from the manufacturer to avoid supply chain disruptions during production.

Supervisors Selection Notes

Select this component when a single-channel supervisor with adjustable delay is required. The open-drain output suits designs needing external pull-up resistors for voltage level translation. Consider the 2.9 V threshold if it matches your system's critical voltage point. Evaluate the 450 nA static current against total system power budgets. Verify that the 7 V maximum supply voltage covers your input range without exceeding limits.

Supervisors Part Context

This part belongs to Rohm's BU48xx series of standard voltage detectors. It serves as a dedicated supervisory IC for monitoring single power rails. The VSOF-5 package offers a small form factor suitable for space-constrained designs. It complements other components in power management architectures by providing hardware-based reset signals.

Supervisors Replacement Considerations

BD5229G-1TR is a recommended replacement with similar specifications. Note differences in package type and reset delay adjustability when substituting.