BU4317G-TR

Overview

The BU4317G-TR is a CMOS voltage detector IC from the BU43xx series, manufactured by ROHM Semiconductor. It features an adjustable output delay timer and operates within a detection voltage range of 0.9V to 4.8V in 0.1V increments. The device has a typical under-voltage detection threshold of 1.7V with ±1% precision. It supports a reset active voltage range of 0.7V to 7V and utilizes a CMOS output type. The component functions within a temperature range of -40°C to +125°C and is housed in an SSOP-5 package.

Feature Summary

• Built-in adjustable delay circuit for customizable output timing
• High-accuracy voltage detection with ±1% precision
• Low current consumption design suitable for battery-powered applications

Applications

• Portable electronic devices requiring low power monitoring
• Battery-operated systems needing voltage supervision
• General purpose voltage detection in consumer electronics

Procurement Notes

Verify the specific ordering suffix and package variant against the official datasheet to ensure compatibility with your design requirements. Confirm the supply status as the component may be subject to lifecycle changes. Check RoHS compliance documentation for regulatory adherence. Ensure the selected part matches the required detection voltage and output characteristics specified in your system design before procurement.

Selection Notes

Select this component when an adjustable delay time is required for voltage monitoring applications. The BU4317G-TR offers a fixed 1.7V detection threshold within the broader BU43xx series range. Consider the SSOP-5 package size and CMOS output type for integration into space-constrained designs. Verify that the operating temperature range meets the environmental conditions of the target application.

Part Context

The BU4317G-TR belongs to the BU43xx series of CMOS voltage detectors. This series is characterized by high accuracy and low current consumption. The components are designed for applications where precise voltage monitoring and configurable delay times are necessary. The series includes various detection voltages to suit different system requirements.

Replacement Considerations

The BD5217G-1 is listed as a replacement with the same pinout and package. Verify functional equivalence regarding detection voltage and output type before substitution.