BU4824G-TR

Supervisors Overview

The BU4824G-TR is a standard CMOS voltage detector IC manufactured by ROHM Semiconductor. It features a fixed under-voltage detection threshold of 2.4 V with a precision of ±1%. The device operates within a supply voltage range of 0.7 V to 7 V and provides an open-drain output type. It does not include manual reset, watchdog timer, or battery backup switch functions. The circuit current is specified at 0.40 μA (ON) and 0.55 μA (OFF) when the detection voltage is 4.8 V. Hysteresis is set at VDET x 0.05. It is housed in an SSOP-5 package and supports an operating temperature range from -40°C to +125°C.

Supervisors Feature Summary

• CMOS technology for low power consumption
• Fixed 2.4 V under-voltage detection threshold
• Open-drain output configuration
• Wide operating voltage range

Supervisors Applications

• Power supply monitoring
• Microprocessor reset circuits
• Battery voltage supervision

Supervisors Procurement Notes

Verify component authenticity through authorized distributors. Confirm RoHS compliance status as indicated in official documentation. Check for end-of-life or not recommended for new design (NRND) status before procurement. Ensure packaging specifications match production requirements. Validate datasheet version against current manufacturing standards.

Supervisors Selection Notes

Select this component for applications requiring a fixed 2.4 V threshold. Consider the open-drain output compatibility with system logic levels. Evaluate the SSOP-5 package constraints for PCB layout. Assess the operating temperature range suitability for the intended environment. Compare power consumption metrics against alternative supervisory circuits.

Supervisors Part Context

This part belongs to the BU48xx series of standard voltage detectors from ROHM. It is designed for simple reset generation and power management tasks. The series offers various threshold voltages to accommodate different supply rails. The BU4824G-TR specifically targets the 2.4 V detection requirement within this family.

Supervisors Replacement Considerations

The BD5224G-1 is listed as a similar level replacement with comparable specifications. Verify package differences between SSOP-5 and SOT23-5 during substitution. Check for any changes in reset delay timer functionality or hysteresis characteristics.