BU4913G-TR

Supervisors Overview

The BU4913G-TR is a CMOS voltage detector IC from ROHM Semiconductor, designed for supervisory circuit applications. It operates within a supply voltage range of 700 mV to 7 V and features a fixed threshold voltage of 1.3 V with an accuracy of ±1%. The device provides a single monitored input and utilizes a CMOS output type without manual reset or watchdog timer capabilities. It is housed in an SSOP-5 surface-mount package and supports operation across a temperature range of -40°C to +125°C. Key electrical parameters include a typical static current of 300 nA and a maximum power dissipation of 540 mW.

Supervisors Feature Summary

• CMOS voltage detection with high precision threshold monitoring
• Ultra-low static current consumption for power efficiency
• Wide operating voltage range suitable for low-voltage systems
• Compact SSOP-5 surface-mount packaging

Supervisors Applications

• Portable electronic devices requiring low-power supervision
• Battery-operated equipment monitoring
• Embedded system power management circuits

Supervisors Procurement Notes

Verify the component status as Not Recommended for New Designs (NRND) before procurement. Confirm that the SSOP-5 package dimensions and pinout match the design requirements. Ensure compliance with RoHS standards and validate the specific ordering suffix for tape and reel quantities. Cross-reference the datasheet for any updates regarding replacement components or lifecycle changes.

Supervisors Selection Notes

Select this component for applications requiring a fixed 1.3 V detection threshold with high accuracy. Consider the low static current for battery life optimization. Verify compatibility with the target supply voltage range and ensure the CMOS output interface meets the downstream logic requirements. Evaluate the thermal performance within the specified operating temperature range.

Supervisors Part Context

The BU4913G-TR belongs to the BU4913G series of standard voltage detectors manufactured by ROHM Semiconductor. This series is part of the broader PMIC category, specifically focusing on power management ICs for supervisory functions. The component is designed to provide reliable voltage monitoring in compact electronic designs.

Supervisors Replacement Considerations

The BD5213G-1 is identified as a recommended replacement with the same SSOP-5 package. Note differences in output type (open drain vs. CMOS) and delay timer features when substituting.