BD48K59G-TL

Overview

The BD48K59G-TL is a standard voltage detector manufactured by ROHM Semiconductor, designed for monitoring power supply levels in electronic circuits. It features an open-drain output and operates within a supply voltage range of 0.95 V to 10 V. The device detects under-voltage conditions with a typical threshold of 5.9 V and maintains a precision of ±1%. It consumes low circuit current, specified at 0.60 μA when the supply is 4.8 V. The component is housed in an SSOP-3 package with dimensions of 2.9 x 2.8 mm and a thickness of 1.25 mm. It supports an operating temperature range from -40°C to +105°C.

Feature Summary

• Provides precise under-voltage detection with high accuracy for reliable system supervision.
• Features an open-drain output configuration suitable for interfacing with various logic families.
• Operates over a wide supply voltage range to accommodate diverse power rail requirements.
• Designed for compact applications with a small footprint SSOP-3 package.

Applications

• Monitoring power supplies in industrial control systems
• Supervising voltage levels in consumer electronics devices
• Ensuring stable operation in automotive non-critical subsystems

Procurement Notes

Verify the specific ordering suffix TL against your bill of materials, as it indicates tape and reel packaging. Confirm that the SSOP-3 package dimensions align with your PCB layout constraints. Check the latest datasheet for any updates on electrical characteristics or recommended operating conditions before finalizing the design.

Selection Notes

Select this component when a fixed 5.9 V detection threshold is required for under-voltage protection. Ensure the application does not need manual reset or watchdog timer functions, as this part lacks those features. Verify that the open-drain output capability meets the pull-up requirements of the connected microcontroller or logic gate.

Part Context

This part belongs to the BD48 series of voltage detectors from ROHM Semiconductor. These components are engineered for low power consumption and high precision in supervisory applications. The series offers various detection voltages to suit different standard voltage rails, providing a scalable solution for power management needs across multiple product lines.

Replacement Considerations

The BD5250G-1TR is listed as a replacement with similar specifications. Note that the replacement uses an SSOP-5 package instead of SSOP-3, requiring pinout and footprint verification. The detection voltage differs (5.0 V vs 5.9 V), so functional compatibility must be assessed carefully.