BU4912FVE-TR

Supervisors Overview

The BU4912FVE-TR is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-channel power supply voltages. It operates within a detection voltage range of 0.7 V to 7 V and features a typical under-voltage detection threshold of 1.2 V with a precision of ±1%. The device utilizes a CMOS output type and does not include a reset delay timer, manual reset, or watchdog timer functions. It is housed in a VSOF5 package (SOP4 reference code) and supports surface mount installation. The component is rated for an operating temperature range from -40°C to 125°C.

Supervisors Feature Summary

• CMOS output structure for low power consumption
• High accuracy voltage detection with ±1% precision
• Wide operating voltage range suitable for various systems

Supervisors Applications

• Portable equipment requiring low current consumption
• Battery-powered devices needing reliable voltage supervision
• General electronic circuits requiring simple reset generation

Supervisors Procurement Notes

Verify the specific suffix and package configuration against the official datasheet to ensure compatibility with design requirements. Confirm end-of-life status and last-time buy availability through authorized channels. Check RoHS compliance documentation for regulatory adherence. Validate thermal performance within the specified operating temperature range during integration.

Supervisors Selection Notes

Select this component when a high-precision, low-current voltage detector is required without additional features like watchdog timers or adjustable delays. Ensure the input voltage stays within the 0.7 V to 7 V active range. Consider the VSOF5 package dimensions for PCB layout constraints. Verify that the CMOS output drive capability meets the load requirements of the connected circuitry.

Supervisors Part Context

This part belongs to the BU49xx series of standard voltage detectors from ROHM Semiconductor. It is designed for applications where precise voltage monitoring is critical but complex supervisory functions are unnecessary. The series offers various threshold voltages to accommodate different system requirements while maintaining a compact form factor and low power profile.

Supervisors Replacement Considerations

BD5212G-1 is listed as a similar specification replacement with comparable detection voltage and precision.