BD5231NVX-2CTL

Overview

The BD5231NVX-2CTL is a Nano Energy™ CMOS reset IC featuring an N-channel open-drain output. It provides a typical under-voltage detection voltage of 3.1V with ±2.5% precision. The device operates within a reset active voltage range of 0.8V to 6V and supports adjustable delay timers controlled by external capacitors. Circuit current consumption is 0.23µA (ON) and 0.27µA (OFF). It functions in automotive applications across a temperature range of -40°C to 125°C, housed in an SSON004R1010 package.

Feature Summary

• Delay time is freely set via an external capacitor connected to the device.
• Features ultra-low current consumption suitable for battery-powered systems.
• Includes high-precision voltage detection circuitry with defined hysteresis.

Applications

• Microcontroller system resets
• Logic circuit power monitoring
• Automotive electronic control units

Procurement Notes

Verify the specific suffix '2CTL' against the official RoHM datasheet to confirm exact detection voltage and packaging details. Ensure compatibility with AEC-Q100 Grade 1 requirements if used in automotive contexts. Confirm functional safety classification as FS supportive before finalizing procurement specifications.

Selection Notes

Select this component when an adjustable reset delay is required using minimal external components. The N-channel open-drain output allows flexible interfacing with various logic levels. Consider the low standby current for energy-sensitive designs requiring reliable voltage supervision.

Part Context

This part belongs to the BD52xx series of Nano Energy™ CMOS reset ICs from RoHM. These devices are designed for high accuracy and low power consumption. The series includes variants with different output types and detection voltages, all sharing the core feature of capacitor-controlled delay times for versatile application integration.

Replacement Considerations

The BD5231G-2M is listed as a similar level replacement with the same package type. Verify pinout compatibility and electrical parameter alignment before substitution.