BD49K52G-TL

Overview

The BD49K52G-TL is a CMOS output voltage detector IC from the BD49 series, manufactured by ROHM Semiconductor. It features a fixed detection threshold of 5.2V with an accuracy of ±1%. The device operates within a supply voltage range up to 10V and consumes a typical operating current of 900 nA. It provides a reset delay time of 100 µs and offers an active-low reset output. The component is housed in a compact SSOP-3 package and supports an operating temperature range from -40°C to +105°C.

Feature Summary

• CMOS output structure for low power consumption
• High precision voltage detection capability
• Compact surface-mount packaging

Applications

• Processor supervisor circuits
• Battery voltage monitoring systems
• Portable electronic devices requiring low standby current

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm lot codes and date codes against current production status. Ensure compliance with RoHS directives and moisture sensitivity levels specified in the official datasheet. Request full test reports if required for quality assurance protocols.

Selection Notes

Select this component when a fixed 5.2V threshold is required for system supervision. Consider the low quiescent current for battery-operated applications. Verify that the SSOP-3 package fits the PCB layout constraints. Ensure the operating temperature range meets the environmental requirements of the target application.

Part Context

This part belongs to the BD49xxx series of high-accuracy, low-current voltage detectors. The series includes various detection voltages ranging from 2.3V to 6.0V in 0.1V increments. These devices are designed for applications requiring precise voltage monitoring with minimal power impact on the system.

Replacement Considerations

BD5252G-1TR is listed as a similar specification replacement option.