BD53E51G-TR

Overview

The BD53E51G-TR is a voltage detector from the BD52(53)ExxG series manufactured by ROHM Semiconductor. It features a threshold voltage of 5.1 V with ±1% accuracy and supports a reset active voltage range of 0.95 to 10 V. The device utilizes a CMOS output type with an adjustable delay timer and operates within a temperature range of -40°C to +105°C. Packaged in SSOP-5, it consumes 0.85 μA at VDET=4.8V and includes hysteresis of VDET x 0.05.

Feature Summary

• Features an adjustable delay timer for customizable reset timing.
• Provides high detection accuracy with ±1% precision on the threshold voltage.
• Utilizes CMOS output structure for low power consumption.

Applications

• Monitoring power supply voltages in electronic systems
• Providing reset signals for microcontrollers and logic circuits
• Ensuring system stability during power-up and power-down sequences

Procurement Notes

Verify component authenticity through authorized channels as this part is marked as Last Time Buy. Confirm package integrity and pin alignment against the official datasheet specifications before integration. Ensure storage conditions comply with moisture sensitivity level requirements to maintain reliability during soldering processes.

Selection Notes

Select this component when a precise 5.1 V detection threshold is required with adjustable delay functionality. Consider the CMOS output drive capability and operating temperature range for compatibility with target circuit loads. Evaluate the SSOP-5 footprint constraints against available board space and thermal management requirements.

Part Context

This voltage detector belongs to the BD52(53)ExxG family designed for supervisory applications. It offers single-channel monitoring with programmable delay characteristics. The series emphasizes low current consumption and high accuracy for reliable system supervision in portable and industrial electronics.

Replacement Considerations

BD5250G-1TR is listed as a recommended replacement with the same pinout and package.

FAQ

What is the typical under-voltage detection voltage for this component?

The typical under-voltage detection voltage is 5.1 V.

Does this device include a manual reset function?

No, the BD53E51G-TR does not support manual reset operations.