BQ26231PW

Battery Management Overview

The BQ26231PW is a low-cost coulomb counter IC designed for embedded portable applications. It supports lead-acid, lithium-ion, lithium-polymer, NiCd, and NiMH battery types. The device operates at a working supply voltage of 4.25 V and functions within a temperature range of -20°C to +70°C. It is housed in an 8-pin TSSOP package with SMD/SMT mounting style.

Battery Management Feature Summary

• Provides coulomb counting functionality for accurate battery state-of-charge monitoring.
• Compatible with multiple battery chemistries including Li-ion, Li-Po, NiCd, NiMH, and lead-acid.

Battery Management Applications

• Embedded portable electronic devices
• Battery management systems requiring cost-efficient gas gauging

Battery Management Procurement Notes

Verify component authenticity through authorized channels as the part is listed as obsolete. Confirm package integrity and pin alignment against the TSSOP-8 specification. Review datasheet revisions for any functional updates prior to integration into new designs.

Battery Management Selection Notes

Select this component for applications prioritizing cost efficiency over high precision. Ensure the design accommodates the specific operating voltage and temperature constraints. Evaluate compatibility with the target battery chemistry before finalizing the bill of materials.

Battery Management Part Context

This component belongs to the BQ26231 series from Texas Instruments. It serves as a specialized power management IC for battery monitoring. The PW suffix indicates the TSSOP-8 package variant. It is categorized under charge management solutions for portable electronics.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consider evaluating alternative coulomb counters such as the LTC4150 or STC3100 if sourcing this obsolete part is not feasible.