BD52W01G-CTR

Overview

The BD52W01G-CTR is a dual-output window voltage detector manufactured by ROHM Semiconductor, designed for automotive applications. It features an N-ch open-drain output and utilizes CMOS technology to provide high precision with low power consumption. The device supports flexible delay time settings via an external capacitor, maintaining accuracy within ±50% across the operating temperature range of -40°C to +125°C. Key electrical parameters include a typical over-voltage detection threshold of 1.32V and an under-voltage detection threshold of 1.08V. The reset active voltage range spans from 1.6V to 6V, with a circuit current of 0.3µA at detection voltages.

Feature Summary

• Dual-output window voltage detection capability with adjustable delay timer
• Automotive-grade functional safety support (FS supportive)
• Flexible delay time setting controlled by external capacitor
• N-ch open-drain output configuration

Applications

• Automotive system reset circuits
• Voltage monitoring in automotive electronics
• Window voltage detection for safety-critical systems

Procurement Notes

Verify the specific suffix 'CTR' against the manufacturer's official datasheet to confirm tape-and-reel packaging specifications and quantity per reel. Ensure compatibility with automotive functional safety requirements if used in safety-related circuits. Confirm RoHS compliance status as indicated in the latest documentation.

Selection Notes

Select this component when dual independent voltage thresholds are required for window monitoring applications. The adjustable delay feature allows customization for specific reset timing needs without internal resistor changes. Suitable for designs requiring operation across the full automotive temperature range with low standby current consumption.

Part Context

This part belongs to ROHM's Nano Energy™ series of voltage detectors specifically developed for automotive use. It is part of a family offering flexible delay times and high precision. The device is AEC-Q100 qualified, ensuring reliability for automotive environments. It complements other variants in the series that may offer different detection voltages or output types.

Replacement Considerations

BD52W01G-C is listed as a recommended replacement with similar pinout and package characteristics.