BD53E25G-MTR

Overview

The BD53E25G-MTR is a delay time variable voltage detector developed for automotive applications, certified under AEC-Q100. It features a typical detection voltage of 2.5V with ±1% precision and an adjustable reset delay timer. The device operates within a supply voltage range of 0.95V to 10V, consuming 0.85µA in both ON and OFF states at Vs=4.8V. It utilizes a CMOS output type with low active state reset functionality and includes hysteresis set at Vdet x 0.05. Packaged in SSOP-5, it supports functional safety analysis as an FS supportive product.

Feature Summary

• Adjustable reset delay timer allows flexible timing configuration for system startup sequences.
• High accuracy voltage detection with ±1% precision ensures reliable monitoring of power rails.
• Ultra-low current consumption of 0.85µA supports energy-efficient operation in battery-backed systems.
• Automotive grade certification (AEC-Q100) enables integration into safety-critical vehicle electronics.

Applications

• Automotive engine control unit power supervision
• Battery management system voltage monitoring
• Infotainment system power sequencing
• Body control module reset generation

Procurement Notes

Verify the specific suffix G-MTR against the official Rohm datasheet to confirm package type and tape/reel specifications. Confirm that the NRND status does not impact existing production schedules. Ensure compatibility with automotive functional safety requirements if used in safety-related circuits. Check RoHS compliance documentation for regulatory adherence.

Selection Notes

Select this component when an adjustable delay timer is required alongside high-precision voltage detection in automotive environments. The CMOS output and wide operating voltage range make it suitable for various logic families. Consider the ultra-low current consumption for applications where standby power is critical. Verify that the SSOP-5 package fits the PCB layout constraints.

Part Context

This part belongs to the BD53Exxx-M series of voltage detectors designed specifically for automotive use. It is classified as an FS supportive product, meaning it can support functional safety analysis but is not itself a safety component. The series offers various detection voltages and delay options to meet diverse system requirements.

Replacement Considerations

BD53E25G-M is the non-tape variant of the same device. Other parts in the BD53Exxx-M family offer different detection voltages or fixed delays. No direct cross-brand substitutes are confirmed in the provided data.

FAQ

Is the reset delay timer fixed or adjustable?

The reset delay timer is adjustable, allowing designers to configure the delay time according to system requirements.

What is the typical detection voltage precision?

The typical detection voltage precision is ±1%.

Does this device include a manual reset function?

No, the BD53E25G-MTR does not have a manual reset function.