UCC3911DP-1

Overview

The UCC3911DP-1 is a battery protection integrated circuit designed for two-cell lithium-ion or lithium-polymer battery packs. It operates within a temperature range of -20°C to +70°C and utilizes a 16-pin SOIC surface-mount package measuring 9.90 x 3.90 mm with a height of 1.50 mm. The device provides comprehensive fault protection against over-voltage, under-voltage, and short-circuit conditions to ensure safe operation of the connected energy storage system.

Feature Summary

• Integrated protection logic for dual-cell lithium-based battery architectures
• Automatic response mechanisms for voltage anomalies and electrical shorts
• Surface-mount construction optimized for automated assembly processes

Applications

• Protection circuits for portable electronic devices using dual-cell batteries
• Safety management in consumer electronics power systems
• Industrial equipment utilizing lithium-ion or polymer battery modules

Procurement Notes

Verify component authenticity through authorized Texas Instruments channels. Confirm RoHS compliance status and check for specific ordering suffixes that may indicate packaging variations. Ensure the selected variant matches the required pin configuration and thermal specifications for the target application environment.

Selection Notes

Select this component when designing protection schemes for two-cell series configurations. Evaluate the operating temperature range against environmental constraints. Consider the physical dimensions of the 16-SOIC package during PCB layout planning to ensure adequate clearance and thermal dissipation capabilities.

Part Context

This part belongs to the UCC3911 family of battery protectors from Texas Instruments. The family includes variants such as the UCC3911-1, UCC3911-2, UCC3911-3, and UCC3911-4, which share core protection functionalities but may differ in specific threshold settings or package options. These components are engineered for reliable performance in lithium battery safety applications.

Replacement Considerations

Public confirmed substitute part numbers: BQ294702DSGR.