| Part Number | BQ2057TTSTR | BQ2057CTSTR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Battery Chargers | PMIC - Battery Chargers | 
|   |   | |
| Product Status | Active | Active | 
| Battery Chemistry | Lithium Ion/Polymer | Lithium Ion/Polymer | 
| Number of Cells | 2 | 1 | 
| Current - Charging | Constant - Programmable | Constant - Programmable | 
| Programmable Features | Current | Current | 
| Fault Protection | - | - | 
| Charge Current - Max | - | - | 
| Battery Pack Voltage | 8.2V | 4.2V | 
| Voltage - Supply (Max) | 15V | 15V | 
| Interface | - | - | 
| Operating Temperature | -20°C ~ 70°C (TA) | -20°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 8-TSSOP | 8-TSSOP |