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Product Detailed Parameters
- Description：IC BATT PWR SUPPLY SUPPORT CIRC
- Series：-
- Mfr：Unitrode
- Package：Bulk
- Function：Battery Protection
- Battery Chemistry：Lithium Ion
- Number of Cells：1
- Fault Protection：Over Current, Over Temperature, Over/Under Voltage, Short Circuit
- Interface：-
- Operating Temperature：-20°C ~ 70°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SOIC
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Overview
The UCC3952DP-2 is a battery protection integrated circuit designed for single-cell lithium-ion applications. It operates within a temperature range of -20°C to +70°C and utilizes a 16-SOIC surface-mount package with a width of 3.90mm. The device provides comprehensive fault protection including overcurrent, overtemperature, overvoltage, undervoltage, and short-circuit conditions. It supports an output voltage of 4.25V and handles an output current of 3A. The component is classified as obsolete by the manufacturer.
Feature Summary
- Integrated protection against overcurrent, overtemperature, overvoltage, undervoltage, and short circuits
- Designed specifically for single-cell lithium-ion battery management
- Surface-mount construction in a compact 16-SOIC package
Applications
- Single-cell lithium-ion battery protection systems
- Portable electronic device power management
- Battery-powered equipment safety circuits
Procurement Notes
Verify component authenticity carefully as this part is officially obsolete. Check datasheets for exact pinout compatibility if replacing existing designs. Confirm RoHS compliance status through official documentation. Ensure the 16-SOIC package dimensions match your PCB footprint requirements. Validate that the operating temperature range meets your specific environmental constraints.
Selection Notes
Select this component only for legacy designs requiring single-cell lithium-ion protection. Consider the obsolete status when planning long-term production runs. Verify that the 16-SOIC package fits your assembly capabilities. Ensure the 3A output current rating suffices for your load requirements. Confirm compatibility with your system's voltage thresholds before integration.
Part Context
This device belongs to the UCC3952 family of battery protection ICs from Texas Instruments, originally developed under Unitrode. It serves as a dedicated solution for safeguarding single-cell lithium-ion batteries against common electrical faults. The family includes variants like the UCC3952DP-4 and UCC3952PWTR-2, offering similar protection features in different packages or configurations.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided data. Due to the obsolete status, direct replacements may require design modifications. Consult manufacturer resources for potential alternative components suitable for single-cell lithium-ion protection applications.
