BD52E42G-MTR

Overview

The BD52E42G-MTR is a voltage detector with an adjustable delay timer, developed for automotive use and capable of supporting safety analysis regarding functional safety. It features a typical under-voltage detection voltage of 4.2V with ±1% precision. The reset active voltage range spans from 0.95V to 10V, utilizing an open-drain output type with a low active state. The circuit current is 0.85µA at VDET=4.8V. Hysteresis voltage is set at VDET x 0.05. Low-level output current is 0.4mA, while high-level output current reaches 2mA. Operating temperature ranges from -40°C to 105°C in an SSOP-5 package.

Feature Summary

• Adjustable delay timer functionality for customized reset timing
• High accuracy detection with ±1% precision on the threshold voltage
• Automotive-grade design supporting functional safety analysis requirements

Applications

• Automotive electronic system monitoring
• Processor supervisor circuits requiring specific reset delays
• Power management systems needing precise under-voltage detection

Procurement Notes

Verify the exact ordering suffix and package variant against the official datasheet before procurement. Confirm that the component meets the required functional safety standards for your specific application. Ensure compatibility with the SSOP-5 footprint and check for any obsolescence notices or recommended replacement parts if this item is not recommended for new designs.

Selection Notes

Select this component when an adjustable delay timer is required alongside high-precision voltage detection in automotive environments. Consider the open-drain output capability and the specific reset active voltage range. Evaluate the operating temperature range and current consumption against system power constraints. Verify that the AEC-Q100 qualification aligns with your project's reliability standards.

Part Context

This part belongs to Rohm Semiconductor's line of voltage detectors designed for automotive applications. It supports functional safety analysis and offers precise under-voltage detection with adjustable reset delays. The series includes various detection voltages and packages, catering to diverse automotive electronic needs while maintaining high accuracy and low power consumption characteristics.

Replacement Considerations

BD5242G-1TR is a confirmed substitute with the same pinout and package.