BQ26231PWG4

Battery Management Overview

The BQ26231PWG4 is a cost-efficient coulomb counter manufactured by Texas Instruments, designed for battery management applications. It supports multiple battery chemistries including Lead Acid, Lithium-ion, Lithium Polymer, Nickel Cadmium (NiCd), and Nickel Metal Hydride (NiMH). The device operates within a supply voltage range of 4.25 V and functions reliably across an operating temperature range from -20°C to +70°C. It is housed in a TSSOP-8 surface-mount package and is classified under PMIC - Power Management ICs.

Battery Management Feature Summary

• Provides accurate coulomb counting capabilities for battery state-of-charge monitoring
• Supports versatile compatibility with various battery chemistries including Li-ion, NiCd, and Lead Acid
• Designed for compact integration using a small TSSOP-8 surface-mount package

Battery Management Applications

• Battery management systems requiring coulomb counting
• Portable electronic devices utilizing rechargeable batteries
• Power management integrated circuits for consumer electronics

Battery Management Procurement Notes

Verify component authenticity and datasheet alignment before procurement. Confirm the specific suffix G4 corresponds to RoHS compliance and lead-free status as per manufacturer specifications. Ensure the TSSOP-8 package type matches the target PCB footprint requirements. Validate that the operating temperature range meets the environmental constraints of the intended application design.

Battery Management Selection Notes

Select this component when a dedicated coulomb counter is required for multi-chemistry battery packs. Consider the TSSOP-8 package size for space-constrained designs. Evaluate the -20°C to +70°C operating range against system thermal conditions. Verify compatibility with the specific battery chemistry selected for the application, such as Lithium-ion or NiMH.

Battery Management Part Context

The BQ26231 belongs to the BQ26231 series of battery management components from Texas Instruments. It falls under the broader category of Power Management ICs (PMIC) specifically focused on charge management. This part serves as a specialized solution for monitoring battery capacity rather than providing power conversion or regulation functions directly.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.