UCC3957MTR-2

Overview

The UCC3957MTR-2 is a battery protection integrated circuit designed for three to four cell lithium-ion battery packs. It provides comprehensive protection against overvoltage, undervoltage, overcurrent, and short-circuit conditions. The device integrates precision voltage references and comparators to monitor individual cell voltages and total pack status. It operates within a specified temperature range and utilizes a surface-mount package suitable for automated assembly processes in portable electronic applications.

Feature Summary

• Integrated protection logic for multi-cell lithium-ion battery stacks
• Monitoring of individual cell voltages and overall pack parameters
• Supports fault detection including overvoltage, undervoltage, and current anomalies

Applications

• Portable consumer electronics with multi-cell battery systems
• Power tools utilizing lithium-ion battery packs
• Medical devices requiring protected energy storage modules

Procurement Notes

Verify the specific suffix MTR-2 against the manufacturer's official datasheet to confirm pinout compatibility and functional specifications. Ensure the component meets the required environmental standards for the intended deployment environment. Cross-reference the ordering part number with the latest Texas Instruments documentation to avoid discrepancies in package type or electrical characteristics.

Selection Notes

Select this component when designing systems that require dedicated hardware protection for three or four series-connected lithium-ion cells. Evaluate the operating temperature range and package constraints against the system requirements. Confirm that the protection thresholds align with the specific chemistry and safety standards of the battery cells being managed.

Part Context

This component belongs to the UCC3957 family of battery protectors from Texas Instruments. The family addresses safety requirements for portable devices by integrating monitoring and control functions into a single IC. The MTR-2 variant specifically denotes the tape and reel packaging configuration for high-volume manufacturing integration.

Replacement Considerations

Consult the official datasheet for direct pin-to-pin compatible alternatives within the same product family. Verify that any substitute maintains identical protection thresholds and package dimensions.