BQ298019RUGR

Battery Management Overview

The BQ298019RUGR is a high-side protector for single-cell lithium-ion and lithium-polymer batteries. It operates within a supply voltage range of 1.5 V to 5.5 V and supports an output voltage of 4.5 V. The device features a low operating supply current of 5 uA. It is housed in an X2-QFN-8 package with dimensions of 1.5x1.5 mm, suitable for surface mount installation. The component functions reliably across an extended temperature range from -40°C to +85°C.

Battery Management Feature Summary

• Provides high-side protection for single-cell lithium-based battery systems
• Integrates overcharge and over-discharge protection mechanisms
• Features ultra-low quiescent current for extended battery life
• Utilizes compact X2-QFN packaging for space-constrained designs

Battery Management Applications

• Single-cell lithium-ion battery protection circuits
• Lithium-polymer battery management systems
• Portable electronic devices requiring compact power protection
• Medical equipment with single-cell battery operation

Battery Management Procurement Notes

Verify the specific suffix RUGR confirms the X2-QFN-8 package and tape-and-reel orientation. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the ordering part number matches the required marking code and reel specifications for automated assembly processes.

Battery Management Selection Notes

Select this component for applications requiring integrated high-side switching and protection for single-cell Li-ion or Li-Po batteries. The low 5 uA supply current makes it suitable for energy-sensitive portable devices. Verify that the 1.5 V to 5.5 V operating range aligns with the system's logic levels and battery voltage profile.

Battery Management Part Context

This part belongs to the BQ2980 series of battery protection ICs from Texas Instruments. The series focuses on providing robust protection for single-cell lithium batteries in compact form factors. The BQ298019 variant specifically utilizes the X2-QFN-8 package to minimize board space while maintaining high performance standards for consumer and industrial electronics.

Battery Management Replacement Considerations

Check for BQ298009RUGT as a potential alternative within the same family. Verify pin compatibility and electrical parameters before substitution. Ensure the replacement part meets the same thermal and voltage requirements.