BQ30Z554DBT-R1

Battery Management Overview

The BQ30Z554DBT-R1 is a fuel gauge IC from the BQ30Z554-R1 series designed for 2, 3, and 4-series lithium-ion or lithium polymer battery packs. It operates with a maximum supply voltage of 25 V and supports cell capacities ranging from 800 mAh to 32,000 mAh. The device provides output voltages of 2.5 V and 3.3 V with corresponding output currents of 2 mA and 3 mA. It is housed in a TSSOP-30 package suitable for surface mount installation and functions within an operating temperature range of -40°C to +85°C.

Battery Management Feature Summary

• Designed for managing 2, 3, and 4-series lithium-ion and lithium polymer battery packs
• Supports wide capacity ranges from 800 mAh up to 32,000 mAh
• Provides regulated output voltages of 2.5 V and 3.3 V

Battery Management Applications

• Battery pack management for portable electronics
• Power management systems for industrial equipment
• Energy storage solutions requiring precise fuel gauging

Battery Management Procurement Notes

Verify component authenticity through authorized Texas Instruments distributors or certified partners. Confirm RoHS compliance status and moisture sensitivity levels prior to assembly. Ensure ordering suffixes match specific packaging requirements such as tube quantities. Validate that the TSSOP-30 package dimensions align with PCB footprint specifications to prevent installation errors during surface mount processing.

Battery Management Selection Notes

Select this component when designing systems utilizing 2 to 4-series lithium-based chemistries. Ensure the application requires support for large cell capacities up to 32,000 mAh. Verify that the operating environment stays within the specified -40°C to +85°C thermal range. Confirm compatibility with the required 2.5 V or 3.3 V output interfaces for downstream circuitry integration.

Battery Management Part Context

This part belongs to the BQ30Z554-R1 family of fuel gauges manufactured by Texas Instruments. It serves as a specialized power management integrated circuit (PMIC) focused on accurate state-of-charge monitoring. The device integrates necessary sensing and communication capabilities to replace discrete measurement solutions in compact battery enclosure designs.

Battery Management Replacement Considerations

Consult official Texas Instruments documentation for verified substitute part numbers within the same product family. Do not assume functional equivalence with other battery management ICs without cross-referencing pinouts and electrical specifications.