BD5211G-2MTR

Overview

The BD5211G-2MTR is a CMOS voltage detector IC from ROHM Semiconductor, designed for automotive applications. It features an adjustable delay timer controlled by an external capacitor and provides an N-channel open-drain output. The device monitors input voltages with a typical threshold of 1.1V and maintains high accuracy within ±2% or ±12mV. It operates on a supply voltage range of 0.8V to 6V with a maximum rating of 7V. The component is qualified under AEC-Q100 Grade 1 standards and functions reliably across a temperature range of -40°C to +105°C.

Feature Summary

• Adjustable reset delay time set via external capacitor
• AEC-Q100 Grade 1 qualification for automotive reliability
• High precision voltage detection with low hysteresis
• Ultra-low power consumption in nano energy class

Applications

• Automotive electronic control unit (ECU) power monitoring
• Battery voltage supervision in electric vehicles
• System reset generation for microcontrollers
• Over-voltage and under-voltage protection circuits

Procurement Notes

Verify the specific suffix '2M' corresponds to the required delay characteristics and package type during sourcing. Confirm AEC-Q100 compliance documentation is available for automotive quality audits. Ensure the SSOP-5 package dimensions match the PCB footprint requirements. Check for RoHS compliance status as indicated in official specifications before finalizing procurement orders.

Selection Notes

Select this component when precise voltage monitoring with customizable response timing is required for automotive systems. The open-drain output allows flexible interfacing with various logic levels. Consider the external capacitor requirement for delay setting when evaluating board space constraints. Verify that the operating voltage range covers the minimum system voltage to ensure proper detection functionality throughout the discharge cycle.

Part Context

This part belongs to the BD52xxG-M series of Nano Energy voltage detectors. It shares the SSOP-5 package and core architecture with other variants like BD5213G-2MTR, differing primarily in the fixed detection threshold voltage. The series is optimized for low current consumption while maintaining high accuracy for critical safety applications.

Replacement Considerations

BD5211G-1TR is listed as a similar specification replacement with identical pinout and package. Verify that the non-adjustable delay of the alternative meets the design timing requirements before substitution.