BD53E27G-TR

Overview

The BD53E27G-TR is a voltage detector with an adjustable reset delay timer, designed for automotive applications. It features a typical detection voltage of 2.7 V and a precision of ±1%. The device operates within a supply voltage range of 0.95 to 10 V and consumes a circuit current of 0.85 µA at VDET=4.8V. It utilizes a CMOS output type with an L output current capability of 1.2 mA (Low) and 5 mA (High). The component is housed in an SSOP5 package with dimensions of 2.9x2.8 mm and a thickness of 1.25 mm. It supports AEC-Q100 standards and functions within a temperature range of -40°C to 105°C.

Feature Summary

• Adjustable reset delay time controlled by an external capacitor connected to the delay pin.

Applications

• Automotive electronic control units requiring power supply monitoring.

Procurement Notes

Verify that the specific part number matches the required detection voltage and package configuration. Confirm RoHS compliance status and functional safety category alignment with project requirements. Ensure the source document explicitly lists this part as available or supported, noting its status relative to new design recommendations.

Selection Notes

Select this component when an adjustable delay timer is required for reset sequencing in automotive environments. The low operating current and wide supply voltage range make it suitable for battery-backed systems. Verify that the external capacitor selection aligns with the desired delay duration specifications provided in the official datasheet.

Part Context

This part belongs to the BD53 series of voltage detectors from ROHM Semiconductor. It is specifically engineered for automotive use, adhering to AEC-Q100 qualification standards. The series includes variants with different detection voltages and output types, but this model is distinguished by its adjustable delay feature and CMOS output structure.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official ROHM resources for potential cross-references or updated series replacements if this component is no longer recommended for new designs.