BQ78PL114RGZT

Battery Management Overview

The BQ78PL114RGZT is a PowerLAN Gateway Battery Management Controller designed for lithium-ion battery packs. It operates within a temperature range of -40°C to +85°C and utilizes a 48-VQFN package. The device supports cell counts from 3 to 16, enabling scalable pack configurations. It integrates SMBus interface capabilities for communication with host systems and gas gauges.

Battery Management Feature Summary

• Functions as a gateway controller within the PowerLAN architecture to coordinate multiple battery modules.
• Provides comprehensive protection mechanisms including overcurrent, overtemperature, overvoltage, undervoltage, and short circuit safeguards.
• Supports modular expansion by interfacing with bq76PL102 family gas gauges for distributed monitoring.

Battery Management Applications

• Lithium-ion battery pack management in electric vehicles
• Energy storage system module coordination
• Industrial equipment battery subsystems

Battery Management Procurement Notes

Verify the specific suffix RGZT corresponds to the reel packaging configuration. Confirm the manufacturer part number matches Texas Instruments documentation exactly. Ensure compatibility with the intended PCB footprint and thermal requirements before finalizing procurement orders.

Battery Management Selection Notes

Select this component when a central gateway controller is required for multi-module battery architectures. It is suitable for applications needing robust fault protection and SMBus connectivity. Consider the 48-pin VQFN package constraints and operating temperature limits during design integration.

Battery Management Part Context

This device belongs to the BQ78PL114 series within Texas Instruments' PowerLAN portfolio. It is specifically engineered to manage high-cell-count lithium-ion packs by acting as a master gateway. The series supports scalable designs through integration with subordinate gas gauge ICs.

Battery Management Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify functional equivalence with other PowerLAN gateway controllers if direct substitution is required.

Battery Management FAQ

What is the maximum number of cells supported by the BQ78PL114RGZT?

The device supports battery packs with up to 16 cells.

Does the BQ78PL114RGZT support communication via SMBus?

Yes, the controller includes an SMBus interface for system communication.