| Part Number | UCC3957M-2G4 | UCC3957M-4G4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Battery Management | PMIC - Battery Management | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Function | Battery Protection | Battery Protection | 
| Battery Chemistry | Lithium Ion | Lithium Ion | 
| Number of Cells | 3 ~ 4 | 3 ~ 4 | 
| Fault Protection | Over Current, Over/Under Voltage | Over Current, Over/Under Voltage | 
| Interface | - | - | 
| Operating Temperature | -20°C ~ 70°C (TA) | -20°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-SSOP (0.154", 3.90mm Width) | 16-SSOP (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-SSOP | 16-SSOP |