BD5244G-TR

Overview

The BD5244G-TR is a CMOS voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-input power supply lines. It features an adjustable delay timer and operates within a reset active voltage range of 0.8 V to 6 V. The typical under-voltage detection threshold is set at 4.4 V with a precision of ±1%. The device utilizes an open-drain output type and maintains a low operating current of 0.23 µA in the off state. It is housed in an SSOP-5 package and supports a maximum supply voltage of 10 V.

Feature Summary

• Adjustable delay timer functionality allows customization of reset timing via external components.
• Low power consumption design ensures minimal current draw during operation.
• Open-drain output configuration provides flexibility for interfacing with various logic levels.

Applications

• Monitoring battery voltage levels in portable electronic devices
• Supervising power rails in automotive electronic systems
• Providing reset signals for microcontrollers and digital circuits

Procurement Notes

Verify the specific suffix and packaging details against the official datasheet before procurement. Confirm that the component meets the required environmental specifications for the intended application environment. Ensure compatibility with existing board layouts and signal integrity requirements.

Selection Notes

Select this component when a fixed 4.4 V threshold with adjustable delay is required. Consider the low standby current for battery-operated applications. Verify that the open-drain output aligns with the downstream circuit's input requirements. Check availability status as the part may have specific lifecycle constraints.

Part Context

This component belongs to the BD52 series of voltage detectors from ROHM Semiconductor. It is engineered for reliable performance in power management applications requiring precise supervision. The series offers various threshold options and packaging configurations to suit different system needs.

Replacement Considerations

BD5244G-1TR is listed as a similar level replacement with the same pinout and package. Verify electrical parameters and supply status before substitution.

FAQ

Is the BD5244G-TR suitable for automotive applications?

No, the datasheet indicates that this specific model is not qualified for automotive use.

Does the BD5244G-TR include a manual reset function?

No, the component does not feature a manual reset input; it relies on automatic voltage detection.