UCC3957M-4

Battery Management Overview

The UCC3957M-4 is a three-to-four cell lithium-ion battery protection integrated circuit manufactured by Texas Instruments. It provides comprehensive protection against overvoltage, undervoltage, overcurrent, and short-circuit conditions for multi-cell battery packs. The device features an internal voltage reference and comparators to monitor cell voltages accurately. It operates within a specified supply voltage range suitable for series-connected lithium-ion configurations. The component is housed in a surface-mount package designed for compact electronic assemblies.

Battery Management Feature Summary

• Integrated protection logic for monitoring individual cell voltages in three or four cell lithium-ion battery stacks
• Built-in fault detection mechanisms for overvoltage, undervoltage, overcurrent, and short-circuit events
• Designed for direct interface with external switching elements to isolate the battery pack during fault conditions

Battery Management Applications

• Protection circuits for portable electronic devices utilizing multi-cell lithium-ion batteries
• Battery management systems in consumer electronics requiring single-cell level monitoring
• Industrial equipment powered by series-connected lithium-ion battery packs

Battery Management Procurement Notes

Verify the specific suffix and tape-and-reel specifications against the official datasheet before ordering. Confirm that the component meets all required environmental and safety standards for the intended application. Ensure compatibility with the system's voltage levels and current requirements. Check for any recent lifecycle notices or obsolescence warnings from the manufacturer.

Battery Management Selection Notes

Select this component when designing protection schemes for three or four series-connected lithium-ion cells. Ensure the design accommodates the required external MOSFETs for current control. Verify that the operating temperature range aligns with the application environment. Consider the package type and pinout for PCB layout constraints.

Battery Management Part Context

This part belongs to the UCC3957 family of battery protectors from Texas Instruments. It is specifically engineered for applications requiring precise voltage monitoring and rapid fault response in multi-cell lithium-ion configurations. The device integrates essential protection functions into a compact form factor, reducing the need for discrete components in battery management designs.

Battery Management Replacement Considerations

The UCC3957MTR-4 is a reel-manufactured variant of the same functional device. Verify pin compatibility and electrical specifications before substitution. Other family members may offer different packaging or slight parameter variations.