BQ28550DRZR

Battery Management Overview

The BQ28550DRZR is a single-cell lithium-ion battery gas gauge and protection IC from Texas Instruments. It operates within an input voltage range of 2.2 V to 26 V and supports battery capacities between 300 mAh and 6000 mAh. The device is housed in a compact 12-SON (2.5x4 mm) package with an exposed pad, designed for surface-mount installation. It functions as a multi-function controller for lithium-ion batteries, integrating fuel gauging and protection capabilities.

Battery Management Feature Summary

• Integrates single-cell lithium-ion battery gas gauging and protection functions into a single multi-function controller IC.
• Utilizes a compact 12-SON package with an exposed pad to minimize board space requirements.
• Supports a wide operating supply voltage range suitable for various portable electronic applications.

Battery Management Applications

• Mobile devices requiring integrated battery management
• Portable electronics utilizing single-cell lithium-ion or lithium-polymer batteries
• Compact consumer hardware where board space is limited

Battery Management Procurement Notes

Verify the specific ordering suffix and revision level against the manufacturer's current datasheet to ensure compatibility with your design requirements. Confirm that the component meets all relevant regulatory standards for your target market. Cross-reference the part number with official Texas Instruments documentation to validate availability and manufacturing status before finalizing procurement plans.

Battery Management Selection Notes

Select this component when designing systems with single-cell lithium-ion or lithium-polymer batteries requiring integrated fuel gauging and protection. Ensure the application fits within the specified capacity range of 300 mAh to 6000 mAh. Verify that the 12-SON package dimensions align with your PCB layout constraints and thermal management strategy.

Battery Management Part Context

This part belongs to the BQ28550 series of battery management ICs from Texas Instruments. It is specifically engineered for single-cell applications, distinguishing it from multi-cell solutions in the broader portfolio. The DRZR suffix indicates the specific tape-and-reel packaging configuration used for automated assembly processes.

Battery Management Replacement Considerations

Consult official Texas Instruments substitution guides for verified alternatives. Generic cross-references may not match the integrated protection and gauging features. Validate any substitute against the original datasheet specifications for pinout compatibility and electrical performance.