BD5332G-TR

Overview

The BD5332G-TR is a CMOS voltage detector manufactured by ROHM Semiconductor, designed for monitoring single-input power supply lines. It features a fixed threshold voltage of 3.2 V with a precision accuracy of ±1%. The device operates within a reset active voltage range of 0.95 V to 10 V and supports surface-mount installation in an SSOP-5 package. It delivers low power consumption with a circuit current of 0.85 μA at VDET=4.8V. The component functions across an extended temperature range from -40°C to +105°C and includes an adjustable delay timer for customized reset timing.

Feature Summary

• CMOS output type ensures compatibility with standard digital logic interfaces without requiring external pull-up resistors.
• Adjustable delay timer allows flexible reset timing configuration via external resistance, accommodating various system startup requirements.
• High detection precision of ±1% ensures reliable voltage threshold monitoring for sensitive electronic circuits.

Applications

• Monitoring battery-powered devices to prevent deep discharge
• Supervising microprocessor reset lines in embedded systems
• Ensuring stable operation in portable consumer electronics

Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet before procurement, as availability may vary by region. Confirm that the component status aligns with project lifecycle requirements, noting potential end-of-life implications for new designs. Ensure compliance with RoHS directives and check for any regional distribution restrictions prior to finalizing purchase orders.

Selection Notes

Select this component when a fixed 3.2 V threshold with high precision is required for single-channel voltage supervision. The adjustable delay feature offers flexibility compared to fixed-delay alternatives. Consider the SSOP-5 package size for space-constrained PCB layouts. Evaluate the CMOS output drive capability against load requirements and ensure the operating temperature range meets environmental specifications.

Part Context

This part belongs to the BD53 series of voltage detectors from ROHM Semiconductor, which are designed for general-purpose power management applications. The series offers various threshold voltages and delay options to suit different system needs. The BD5332G-TR specifically targets applications requiring precise 3.2 V monitoring with customizable reset timing, fitting into the broader portfolio of supervisory ICs for consumer and industrial electronics.

Replacement Considerations

The BD5232G-1 is listed as a similar level replacement with the same pinout and package. Verify electrical parameter equivalence, particularly the threshold voltage and output type, before substitution. Check if the alternative's adjustable delay characteristics match the original design requirements.