BD48K31G-TL

Overview

The BD48K31G-TL is a voltage detector IC from the BD48 series by Rohm Semiconductor. It features an N-channel open-drain output and monitors a single input voltage with a typical threshold of 3.1 V. The device operates within a supply voltage range of 2.3 V to 10 V, with a maximum operating voltage of 10 V. It offers high accuracy with a detection voltage precision of ±1%. The reset delay time is 100 µs. The component supports an operating temperature range from -40 °C to +105 °C and is housed in an SSOP-3 package.

Feature Summary

• Provides precise voltage monitoring with ±1% detection accuracy for reliable system supervision.
• Features an N-channel open-drain output suitable for interfacing with various logic families.
• Designed for low current consumption to support energy-efficient applications.

Applications

• Processor supervisor circuits requiring stable voltage monitoring
• Battery-powered devices needing efficient power management
• General-purpose voltage detection in embedded systems

Procurement Notes

Verify the specific suffix and package variant against the official datasheet to ensure compatibility with design requirements. Confirm availability status as distribution channels may list obsolete or end-of-life stock. Cross-reference pinout and electrical characteristics with the manufacturer's documentation before integration. Ensure compliance with RoHS standards if required by project specifications.

Selection Notes

Select this component when a fixed 3.1 V threshold is required for under-voltage detection. Consider the SSOP-3 package size constraints and the open-drain output capability for pull-up resistor configuration. Evaluate the operating temperature range against environmental conditions. Compare with other BD48 series variants if different voltage thresholds are needed.

Part Context

The BD48K31G-TL belongs to the BD48xxx series of highly accurate, low-current voltage detector ICs. This family includes devices with N-channel open-drain outputs available for specific detection voltages ranging from 2.3 V to 6.0 V in increments of 0.1 V. The series is designed for compact, cost-effective power management solutions in portable and industrial electronics.

Replacement Considerations

BD5231G-1TR is listed as a similar specification replacement with comparable threshold and output type. Verify package compatibility and exact electrical parameters before substitution.

FAQ

What is the reset delay time for the BD48K31G-TL?

The reset delay time is 100 µs.

Does the BD48K31G-TL include a manual reset function?

No, the device does not have a manual reset feature.