BQ20Z75DBT-V180

Battery Management Overview

The BQ20Z75DBT-V180 is a smart-battery gas gauge IC from Texas Instruments, designed for lithium-ion and lithium-polymer battery packs. It operates within an output voltage range of 0 V to 25 V and supports an output current of 100 mA. The device utilizes the SMBus interface for communication and is housed in a 38-TSSOP package. It functions as a multi-function controller compatible with 2 to 4 series cells and operates across a temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Implements Impedance Track technology for accurate state-of-charge monitoring
• Provides comprehensive protection against overcurrent, overtemperature, over/under-voltage, and short circuits
• Integrates DataFlash memory for storing battery health and cycle data

Battery Management Applications

• Portable computing devices
• Medical equipment
• Power tools

Battery Management Procurement Notes

Verify component authenticity through authorized channels due to availability constraints. Confirm that the specific suffix matches the required firmware version. Ensure compatibility with existing system designs before procurement. Check for obsolescence notices or lifecycle status updates prior to finalizing orders.

Battery Management Selection Notes

Select this component for applications requiring precise fuel gauging using Impedance Track algorithms. Ensure the design accommodates the 38-TSSOP package dimensions. Verify that the host microcontroller supports the SMBus protocol for proper integration and data exchange.

Battery Management Part Context

This part belongs to the BQ20Z75-V160 family of smart-battery gas gauges. It serves as a specialized integrated circuit for managing lithium-based battery systems, offering advanced diagnostics and safety features essential for modern portable electronics and industrial applications.

Battery Management Replacement Considerations

Consult official change lists for valid substitutes such as the BQ20Z75DBTR-V160G4. Verify pinout and firmware compatibility before transitioning to alternative part numbers.

Battery Management FAQ

What algorithm does the BQ20Z75DBT-V180 use for state-of-charge calculation?

It uses the Impedance Track algorithm to provide accurate state-of-charge readings.

Does the device support multiple battery chemistries?

Yes, it is designed for use with Lithium-ion and Lithium Polymer battery types.