BD49L56G-TL

Overview

The BD49L56G-TL is a CMOS voltage detector IC from the ROHM BD49 series, designed for monitoring power supply voltages. It features a fixed detection threshold of 5.6V with ±1% accuracy. The device operates within a supply voltage range up to 10V and draws a typical operating current of 900 nA. It provides an active-low CMOS output with a reset delay time of 100 µs. The component is housed in a compact SSOP-3 package and supports operation across a temperature range of -40°C to +105°C.

Feature Summary

• CMOS output interface for direct logic integration
• High precision voltage detection with ±1% tolerance
• Ultra-low power consumption suitable for battery applications
• Compact three-pin surface mount packaging

Applications

• Microprocessor system reset circuits
• Battery-powered device power management
• Portable electronic equipment supervision
• Industrial control system voltage monitoring

Procurement Notes

Verify end-of-life status as the component is listed as discontinued. Confirm availability through authorized distributors or last-time buy channels. Ensure compatibility with existing PCB footprints and design specifications before procurement. Check for moisture sensitivity levels and storage requirements during handling.

Selection Notes

Select this component when a fixed 5.6V threshold is required for system supervision. Consider the low quiescent current for energy-efficient designs. Verify that the SSOP-3 package fits the board space constraints. Ensure the operating temperature range meets the environmental requirements of the target application.

Part Context

Part of the BD49 series of standard CMOS voltage detectors. This series offers various detection voltages in 0.1V increments. The BD49L56G-TL specifically targets applications requiring precise monitoring around the 5.6V level. It complements other ROHM supervisory circuits like the BD52 series.

Replacement Considerations

BD5250G-1TR is listed as a similar level replacement with comparable specifications.