UCC3957M-4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC3957M-4 is a 3/4-cell lithium-ion battery protection IC from Texas Instruments in a 16-pin SOIC package. It provides overcurrent, overvoltage, and undervoltage protection for selectable 3 or 4-cell Li-ion battery packs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3957M-4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -20.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Selectable 3 or 4-cell lithium-ion operation in a single IC, reducing BOM count for multi-cell battery designs
- Integrated overcurrent protection with adjustable threshold for safeguarding Li-ion cells against shorts and excessive discharge currents
- 16-pin SOIC package with plastic/epoxy construction enabling reliable performance across industrial temperature ranges
Applications
The UCC3957M-4 is designed for portable consumer electronics and industrial battery management systems requiring protection of 3 or 4-cell lithium-ion battery packs. It is commonly used in laptop batteries, power tools, and cordless equipment where overvoltage, undervoltage, and overcurrent protection is critical. The device also suits energy storage applications in IoT devices and medical instruments that rely on rechargeable Li-ion cells.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Additional Feature | SELECTABLE THREE OR FOUR CELL OPERATION, OVERCURRENT PROTECTION |
| Adjustable Threshold | NO |
| Analog IC - Other Type | BATTERY PROTECTOR |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Channels | 4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.04mA |
| Supply Voltage-Max (Vsup) | 20V |
| Supply Voltage-Min (Vsup) | 6.5V |
| Supply Voltage-Nom (Vsup) | 16V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | OTHER |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many lithium-ion cells can the UCC3957M-4 protect?
The UCC3957M-4 supports selectable 3 or 4-cell lithium-ion battery configurations within a single IC, allowing designers to use one part number for two different cell count configurations, reducing inventory and simplifying design.
What protection features does the UCC3957M-4 provide?
The UCC3957M-4 provides overcurrent protection, overvoltage protection, and undervoltage protection for lithium-ion battery packs. It monitors each cell to prevent damage from overcharge, over-discharge, and excessive current draw, extending battery life and ensuring system safety.
What is the package type of the UCC3957M-4 and is it RoHS compliant?
The UCC3957M-4 comes in a 16-pin SOIC (Small Outline IC) package with plastic/epoxy body construction. Note that this specific variant is not Pb-free (lead-free code: No), so designers requiring RoHS compliance should verify their specific application requirements.
What applications is the UCC3957M-4 best suited for?
The UCC3957M-4 is best suited for portable electronics, power tools, e-bikes, and industrial equipment using 3 or 4-cell Li-ion battery packs. Its integrated protection features make it ideal for any application requiring safe and reliable lithium-ion battery management with minimal external components.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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