BD49L50G-TL

Overview

The BD49L50G-TL is a CMOS voltage detector IC from the ROHM BD49 series, designed for monitoring single power supply rails. It features a fixed detection threshold of 5V with an accuracy of 1%. The device operates within a maximum supply voltage of 10V and consumes a typical quiescent current of 900 nA. It provides a reset delay time of 100 us and functions across an extended temperature range from -40°C to +105°C. Packaged in an SSOP-3 format, it lacks manual reset, watchdog, or chip enable functions.

Feature Summary

• CMOS output interface for direct logic integration
• High precision voltage detection with 1% accuracy
• Ultra-low power consumption suitable for battery applications

Applications

• Portable electronic devices requiring low standby current
• Microcontroller system supervision
• Battery-powered equipment voltage monitoring

Procurement Notes

Verify component authenticity through authorized channels as this part is listed as obsolete. Confirm package integrity and moisture sensitivity handling requirements prior to assembly. Cross-reference datasheet specifications against current design needs due to potential lifecycle discontinuation.

Selection Notes

Select this component when a fixed 5V threshold is required with minimal current draw. Ensure the application does not need manual reset or watchdog capabilities. Verify that the SSOP-3 package fits the PCB layout constraints and that the 10V maximum input rating aligns with the system supply voltage.

Part Context

Part of the BD49 series, which offers CMOS outputs unlike the BD48 series with open-drain outputs. Designed for high-accuracy supervision in compact spaces. Manufactured by ROHM Semiconductor for industrial and consumer electronics markets.

Replacement Considerations

Check ROHM documentation for updated equivalents in the BD52xx or BD70xx series if active sourcing is required. Verify pin compatibility and threshold voltage alignment before substitution.