BD5324G-TR

Overview

The BD5324G-TR is a CMOS voltage detector IC from the BD53xx series by ROHM Semiconductor, designed for monitoring power supply voltages. It features a fixed detection threshold of 2.4V with an accuracy of ±1%. The device operates within a reset active voltage range of 0.95V to 10V and consumes ultra-low current, typically 950nA. It includes an adjustable reset delay time controlled by an external capacitor and provides a CMOS output. Packaged in SSOP-5, it supports surface mount installation and functions across a temperature range of -40°C to +105°C.

Feature Summary

• CMOS output type providing digital reset signals
• Adjustable reset delay time via external capacitor
• Ultra-low current consumption for battery efficiency
• High accuracy detection voltage with ±1% precision

Applications

• Microcontroller reset circuits requiring voltage supervision
• Logic circuit power monitoring systems
• Battery-operated devices needing low standby current
• Embedded systems with adjustable startup delays

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to discontinued status. Confirm RoHS compliance documentation matches specific batch requirements. Ensure SSOP-5 package compatibility with existing PCB footprints. Validate electrical parameters against original datasheet specifications before integration into new designs.

Selection Notes

Select this component when a fixed 2.4V threshold with high precision is required alongside adjustable timing delays. Consider the CMOS output capability for direct logic interfacing without additional pull-up components. Evaluate the ultra-low current consumption benefits for power-sensitive applications. Verify that the SSOP-5 package dimensions fit within the available board space constraints.

Part Context

Part of the BD53xx series of free delay time setting CMOS voltage detector ICs. This series offers various detection voltages from 2.3V to 6.0V in 0.1V increments. The BD5324G-TR specifically targets applications needing precise voltage monitoring with customizable reset timing characteristics.

Replacement Considerations

BD5224G-1TR serves as a pin-compatible replacement with similar package and detection voltage. Note differences in output type (open drain vs CMOS) and operating voltage ranges when substituting.

FAQ

How is the reset delay time adjusted?

The reset delay time is controlled by connecting an external capacitor to the designated pin, allowing customization based on application requirements.

What is the typical current consumption?

The typical circuit current consumption is 950nA, making it suitable for low-power applications.