BD52E54G-TR

Overview

The BD52E54G-TR is a voltage detector with an adjustable reset delay timer, designed for monitoring power supply voltages. It features a typical under-voltage detection threshold of 5.4V with ±1% precision. The device operates within a reset active voltage range of 0.95V to 10V and utilizes an open-drain output type. Circuit current consumption is specified at 0.85μA when the detection voltage is 4.8V. The component supports an operating temperature range from -40°C to +105°C and is housed in an SSOP-5 package.

Feature Summary

• Adjustable reset delay timer functionality
• Open-drain output configuration
• High accuracy voltage detection

Applications

• Power supply monitoring
• Microprocessor reset circuits
• Embedded system supervision

Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement. Confirm that the component status aligns with project requirements, as availability may be limited. Ensure compatibility with existing board layouts and thermal management strategies. Cross-reference the manufacturer's latest documentation for any updates on compliance or pinout configurations.

Selection Notes

Select this component when an adjustable delay timer is required for reliable system reset sequencing. Consider the 5.4V detection threshold and open-drain output characteristics for interface compatibility. Evaluate the low current consumption and wide operating temperature range for suitability in demanding environments. Verify package dimensions against the design constraints.

Part Context

This part belongs to the BD52 series of voltage detectors manufactured by ROHM Semiconductor. The series includes various models with different detection voltages and features. The BD52E54G-TR specifically offers an adjustable delay timer, distinguishing it from standard fixed-delay or no-delay variants within the family.

Replacement Considerations

BD5250G-1 is listed as a similar level replacement with the same pinout and package.