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| Part Number | BQ2057WSN | BQ2057CSN | BQ2057SN | BQ2057TSN |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active |
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion/Polymer | Lithium Ion/Polymer |
| Number of Cells | 2 | 1 | 1 | 1 |
| Current - Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Programmable Features | Current | Current | Current | Current |
| Fault Protection | - | - | - | - |
| Charge Current - Max | - | - | - | - |
| Battery Pack Voltage | 8.4V | 4.2V | 4.1V | 4.1V |
| Voltage - Supply (Max) | 15V | 15V | 15V | 15V |
| Interface | - | - | - | - |
| Operating Temperature | -20°C ~ 70°C (TA) | -20°C ~ 70°C (TA) | -20°C ~ 70°C (TA) | -20°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
