BU4948G-TR

Supervisors Overview

The BU4948G-TR is a standard voltage detector IC from ROHM Semiconductor, designed for monitoring single power supply lines. It operates within a supply voltage range of 0.95 V to 10 V and features a typical under-voltage detection threshold of 4.8 V with ±1% precision. The device utilizes an SSOP-5 package and offers CMOS output functionality. It is classified as Not Recommended for New Designs (NRND), indicating it is supported for existing production but not intended for new implementations.

Supervisors Feature Summary

• Provides precise under-voltage detection with high accuracy for reliable system supervision.
• Features CMOS output interface compatible with standard digital logic levels.
• Operates across a wide supply voltage range suitable for various low-power applications.

Supervisors Applications

• Monitoring power supply voltages in embedded systems
• Supervising battery-powered devices requiring under-voltage protection
• Reset generation circuits in microcontroller-based designs

Supervisors Procurement Notes

Verify component status before procurement as the BU4948G-TR is marked Not Recommended for New Designs. Confirm availability through authorized distributors or direct manufacturer channels. Ensure that current stock meets project requirements since future supply may be limited. Cross-reference datasheet specifications against application needs to confirm compatibility with existing designs.

Supervisors Selection Notes

Select this component only for maintaining existing designs where the specific 4.8 V threshold and CMOS output are required. Consider alternative parts if new design initiation is planned due to its NRND status. Evaluate package constraints and operating temperature ranges to ensure fit within the target system environment without relying on generic family features.

Supervisors Part Context

This part belongs to ROHM's standard voltage detector series, specifically engineered for simple supervisory tasks. It lacks advanced features like watchdog timers or manual resets, focusing instead on basic under-voltage detection. The BU4948G-TR variant indicates tape-and-reel packaging for automated assembly processes.

Supervisors Replacement Considerations

The BD5248G-1TR is identified as a recommended replacement with the same SSOP-5 package. Note differences in output type (Open Drain vs. CMOS) and reset delay capabilities when substituting.