BQ20Z80DBT-V110

Battery Management Overview

The BQ20Z80DBT-V110 is a System Management Bus (SBS) 1.1 compliant gas gauge IC designed for lithium-ion and lithium-polymer battery packs. It utilizes patented Impedance Track technology to accurately measure available charge by monitoring capacity change, battery impedance, and open-circuit voltage. The device operates within a temperature range of -20°C to +85°C and is housed in a 38-pin TSSOP package.

Battery Management Feature Summary

• Patented Impedance Track technology for accurate state-of-charge measurement
• SBS 1.1 compliance for universal host compatibility
• Integrated monitoring of battery impedance and open-circuit voltage

Battery Management Applications

• Notebook PCs
• Lithium-ion battery packs
• Lithium-polymer battery packs

Battery Management Procurement Notes

Verify the specific suffix V110 against the manufacturer's current datasheet to confirm firmware version and pinout compatibility. Ensure the 38-TSSOP package matches the target PCB footprint. Confirm that the operating temperature range meets the environmental requirements of the final assembly.

Battery Management Selection Notes

Select this component when precise state-of-charge accuracy is required for portable computing devices. The integrated oscillator and SBS interface simplify system design compared to discrete solutions. Consider the thermal performance of the TSSOP package relative to the expected heat dissipation in the application enclosure.

Battery Management Part Context

This part belongs to Texas Instruments' bq20z series of intelligent battery monitors. It serves as a standalone solution for managing complex battery chemistries without requiring external microcontrollers for basic fuel gauging functions.

Battery Management Replacement Considerations

The BQ20Z80ADBT-V110 is a documented variant within the same family. Verify if the 'A' suffix denotes any functional or packaging differences before substitution.