BQ79656PAPRQ1

Battery Management Overview

The BQ79656PAPRQ1 is an automotive-grade precision battery monitor and balancer manufactured by Texas Instruments. Designed for high-voltage applications, it supports up to 24 series-connected cells within a single package. The device integrates high-side current sensing capabilities and utilizes a robust HTQFP-64 package suitable for surface mount technology. It operates reliably across an extended temperature range from -40°C to +125°C, ensuring compliance with stringent automotive environmental standards.

Battery Management Feature Summary

• Supports monitoring of up to 24 series-connected battery cells
• Integrates high-side current sensing functionality
• Includes active cell balancing capabilities

Battery Management Applications

• Electric vehicle traction battery systems
• Hybrid electric vehicle power packs
• Energy storage system battery management

Battery Management Procurement Notes

Verify the specific suffix against official documentation to confirm exact packaging and qualification status. Ensure compatibility with existing PCB footprints and thermal management designs. Confirm that the selected variant meets all required automotive reliability standards for the target application environment.

Battery Management Selection Notes

Select this component when designing systems requiring extensive cell count support beyond standard 16-cell monitors. Evaluate the integration of current sensing to determine if external sensors are unnecessary. Consider the thermal performance requirements associated with the HTQFP-64 package in enclosed battery enclosures.

Battery Management Part Context

This part belongs to the BQ796xx-Q1 family of automotive battery monitors. It represents a higher channel count solution compared to the BQ79616 or BQ79654 variants. The family focuses on providing integrated protection, monitoring, and balancing functions for complex lithium-ion battery architectures in demanding automotive environments.

Battery Management Replacement Considerations

BQ79616PAPRQ1

Battery Management FAQ

What is the maximum number of series cells supported?

The BQ79656PAPRQ1 supports up to 24 series-connected cells.

Does this device include current sensing?

Yes, the device integrates high-side current sensing capabilities.