BD48K52G-TL

Overview

The BD48K52G-TL is a voltage detector IC from ROHM Semiconductor, designed for supervisory circuit applications. It features an open-drain output and operates within a supply voltage range of 2.3 V to 10 V. The device detects input voltages with a threshold of 5.2 V and maintains an accuracy of 1%. It includes a reset delay time of 100 us and consumes a typical operating current of 900 nA. The component functions reliably across a temperature range of -40 C to +105 C and is housed in a compact SSOP-3 package.

Feature Summary

• Provides precise voltage monitoring with high detection accuracy
• Features low power consumption suitable for battery-operated systems
• Utilizes an open-drain output interface for flexible logic integration

Applications

• Processor supervisor circuits requiring voltage level monitoring
• Battery backup switching systems
• Portable electronic devices needing low standby current

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm RoHS compliance details and moisture sensitivity levels before procurement. Ensure storage conditions meet humidity requirements to prevent damage. Validate pinout compatibility with existing PCB layouts. Check for alternative sourcing options given the discontinued lifecycle stage.

Selection Notes

Select this component when a fixed 5.2 V threshold is required for system supervision. Consider the open-drain output type for compatibility with external pull-up resistors. Evaluate the 900 nA quiescent current against system power budgets. Ensure the SSOP-3 package fits the available board space. Verify that the 100 us reset delay meets timing requirements for connected microcontrollers.

Part Context

This part belongs to the BD48 series of voltage detectors, which are characterized by high precision and low current consumption. The series offers various threshold voltages ranging from 2.3 V to 6.0 V in 0.1 V increments. These devices are designed for applications requiring reliable power management in compact form factors.

Replacement Considerations

Check for other BD48xxx variants with different threshold voltages if the 5.2 V setting is not critical. Compare specifications with BD49xxx series for CMOS output alternatives. Verify pin-to-pin compatibility with any proposed substitute components.