BD5240G-2CGTR

Overview

The BD5240G-2CGTR is a voltage detector IC from ROHM Semiconductor, designed for automotive applications. It features an adjustable delay timer and an open-drain output type. The typical under-voltage detection voltage is 4 V with a precision of ±3%. The reset active voltage range spans from 0.8 V to 6 V. Operating circuit current is 0.23 µA (ON) and 0.27 µA (OFF). It operates within a temperature range of -40°C to +125°C and is housed in an SSOP-5 package.

Feature Summary

• Adjustable delay timer functionality allows customization of reset timing via external components.
• Open-drain output configuration provides flexibility for interfacing with various logic levels.
• Designed specifically for automotive use with functional safety support capabilities.

Applications

• Automotive electronic system monitoring
• Voltage supervision in safety-critical circuits
• Power management reset generation

Procurement Notes

Verify the exact ordering suffix matches the required package and tape/reel specifications. Confirm automotive qualification status and functional safety classification aligns with project requirements. Ensure compatibility with existing design constraints regarding pinout and thermal performance before finalizing procurement decisions.

Selection Notes

Select this component when an adjustable delay reset function is required for automotive voltage monitoring. Consider the open-drain output for level shifting needs. Evaluate the low power consumption against battery backup requirements. Compare against similar series parts like BD5240G-1 if specific precision or output type variations are needed.

Part Context

This part belongs to the BD52xxG-2C series of CMOS reset ICs featuring adjustable delay times. It utilizes a high-precision, low-consumption current delay circuit built with CMOS technology. The series offers detection voltages in 0.1V steps from 0.9V to 5.0V, maintaining delay time accuracy within ±50% across the full operating temperature range.

Replacement Considerations

BD5240G-1TR is listed as a recommended replacement with the same pinout and package. Verify that the precision difference (±0.9% vs ±3%) and output type compatibility meet application specifications before substitution.