UCC3957M-3

Battery Management Overview

The UCC3957M-3 is a three-cell lithium-ion battery protection integrated circuit manufactured by Texas Instruments. Designed for portable applications, it monitors cell voltages to prevent overcharge and overdischarge conditions. The device operates within a supply voltage range of 4.5 V to 36 V and functions reliably across an industrial temperature range of -20°C to +70°C. It utilizes a 16-pin SSOP package to provide compact integration for multi-cell battery management systems.

Battery Management Feature Summary

• Provides dedicated protection against overvoltage and undervoltage conditions for three-series lithium-ion cells
• Integrates precision voltage monitoring comparators with hysteresis to ensure stable switching thresholds
• Features low quiescent current operation to minimize standby power consumption in portable devices

Battery Management Applications

• Portable electronic devices requiring multi-cell battery packs
• Laptop computers and notebook PC battery modules
• Medical equipment utilizing rechargeable lithium-ion power sources

Battery Management Procurement Notes

Verify the specific suffix designation to confirm the exact overvoltage threshold and package variant. Ensure compatibility with the target battery chemistry and cell count configuration. Cross-reference the datasheet revision date to confirm technical specifications match the production batch requirements.

Battery Management Selection Notes

Select this component when designing protection circuits for three-cell series configurations. Evaluate the thermal performance within the specified operating temperature range. Confirm that the SSOP package dimensions fit the available printed circuit board layout constraints.

Battery Management Part Context

This part belongs to the UCC3957 family of lithium-ion protector circuits from Texas Instruments. The family includes variants supporting different cell counts and voltage thresholds. These ICs are engineered to replace discrete protection solutions, offering higher reliability and reduced board space for battery management applications.

Battery Management Replacement Considerations

The UCC3957M-4 serves as a related variant within the same family, designed for four-cell configurations. Verify pinout compatibility and threshold voltage differences before substituting. Other family members may offer similar functionality with adjusted electrical parameters.