Datasheet Texas Instruments BQ2057WSNG4
| Manufacturer | Texas Instruments |
| Series | BQ2057W |
| Part Number | BQ2057WSNG4 |
Low Dropout Linear 2-cell Li-Ion Charge Controller with AutoCompTM, 8.4V 8-SOIC -20 to 70
Datasheets
Advanced Linear Charge Mgmt IC for Single/Two-Cell Lithium-Ion & Lithium-Polymer datasheet
PDF, 1.4 Mb, Revision: F, File published: Jul 25, 2002
Extract from the document
Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 8 |
| Package Type | D |
| Industry STD Term | SOIC |
| JEDEC Code | R-PDSO-G |
| Package QTY | 75 |
| Carrier | TUBE |
| Device Marking | 2057W |
| Width (mm) | 3.91 |
| Length (mm) | 4.9 |
| Thickness (mm) | 1.58 |
| Pitch (mm) | 1.27 |
| Max Height (mm) | 1.75 |
| Mechanical Data | Download |
Parametrics
| Absolute Vin (safety rating)(Max)( | 18 V |
| Battery Charge Voltage(Max) | 8.4 V |
| Battery Charge Voltage(Min) | 8.4 V |
| Cell Chemistry | Li-Ion/Li-Polymer |
| Charge Current(Max) | 2 A |
| Control Interface | Standalone (RC-Settable) |
| Control Topology | Linear |
| Number of Series Cells | 2 |
| Operating Vin(Max) | 15 V |
| Operating Vin(Min) | 4.5 V |
| Package Group | SOIC |
| Package Size: mm2:W x L | 8SOIC: 29 mm2: 6 x 4.9(SOIC) PKG |
| Special Features | Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A |
Eco Plan
| RoHS | Compliant |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: DV2057W
BQ2057W Evaluation Module for Li-Ion, linear (8.4V), two cells
Lifecycle Status: Active (Recommended for new designs)
Model Line
Series: BQ2057W (8)
Manufacturer's Classification
- Semiconductors > Power Management > Battery Management Products > Battery Charger IC