BD5229G-2MTR

Overview

The BD5229G-2MTR is a Nano Energy™ adjustable delay time CMOS reset IC manufactured by ROHM Semiconductor. It features an Nch open-drain output and detects under-voltage conditions with a typical threshold of 2.4V. The device operates within a supply voltage range of 0.8V to 6V and consumes ultra-low current, specified as 0.23µA in the ON state and 0.27µA in the OFF state. Reset delay timing is externally configurable via a capacitor, maintaining ±30% accuracy across the industrial temperature range of -40°C to +105°C. It holds AEC-Q100 Grade 1 qualification for automotive applications.

Feature Summary

• Ultra-low power consumption enabled by Nano Energy™ technology
• Externally adjustable reset delay timer using an external capacitor
• Automotive-grade reliability with AEC-Q100 Grade 1 qualification
• High precision voltage detection with ±2.5% tolerance

Applications

• Automotive electronic control unit (ECU) supervision
• Battery-powered systems requiring low standby current
• Industrial equipment monitoring circuits
• General-purpose voltage supervisor applications

Procurement Notes

Verify the specific suffix '2MTR' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the AEC-Q100 Grade 1 classification meets the functional safety requirements of the target automotive application. Ensure the external capacitor selection aligns with the desired delay time specifications defined in the official datasheet.

Selection Notes

Select this component when an open-drain output interface is required for system integration. Choose this part over CMOS output variants if the design necessitates pull-up resistor flexibility. Consider the adjustable delay feature if precise timing synchronization with other system events is critical compared to fixed-delay alternatives.

Part Context

This component belongs to the BD52xx-2M series of delay time free-setting CMOS reset ICs from ROHM. The series utilizes CMOS processes to achieve high precision and low current consumption. It complements the BD53xx-2M series, which offers CMOS outputs instead of the open-drain configuration found in this model.

Replacement Considerations

BD5224G-2MTR serves as a substitute with a different detection voltage threshold.