BD5249G-TR

Overview

The BD5249G-TR is a voltage detector IC from ROHM Semiconductor with an adjustable delay timer and CMOS output. It features a typical under-voltage detection voltage of 4.9V with ±0.9% precision. The reset active voltage range spans 0.8V to 6V, and the circuit current is 0.23µA (on) and 0.27µA (off). Output currents are 1mA (low) and 2mA (high). It operates within -40°C to 85°C in an SSOP5 package.

Feature Summary

• Adjustable delay timer functionality
• CMOS output type
• High precision detection voltage

Applications

• Processor supervisor circuits
• Voltage monitoring systems
• Reset generation for logic circuits

Procurement Notes

Verify supply status as this component may be designated for existing customers only. Confirm the specific suffix matches required packaging and pinout compatibility. Check datasheet revisions for any updates to electrical characteristics or recommended design practices before finalizing procurement plans.

Selection Notes

Select this part when a fixed 4.9V threshold with adjustable timing is required. Ensure the application voltage stays within the 0.8V to 6V reset active range. Consider the low current consumption for battery-operated designs. Verify thermal requirements against the -40°C to 85°C operating range.

Part Context

This device belongs to ROHM's voltage detector family, offering precise monitoring with configurable delay times. It serves as a specialized solution for systems requiring reliable reset signals based on specific voltage thresholds and timing constraints.

Replacement Considerations

BD53E49G-TR is listed as a similar level replacement with the same pinout and package.