Datasheet Texas Instruments BQ2954SN
| Manufacturer | Texas Instruments |
| Series | BQ2954 |
| Part Number | BQ2954SN |
Switch-mode Li-Ion Charge Controller 16-SOIC 0 to 70
Datasheets
Lithium Ion Charge Management IC with Integrated Switching Controller datasheet
PDF, 733 Kb, File published: Sep 5, 1999
Extract from the document
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Status
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes |
Packaging
| Pin | 16 | 16 |
| Package Type | D | D |
| Industry STD Term | SOIC | SOIC |
| JEDEC Code | R-PDSO-G | R-PDSO-G |
| Package QTY | 40 | 40 |
| Carrier | TUBE | TUBE |
| Device Marking | -A3 | 2954 |
| Width (mm) | 3.91 | 3.91 |
| Length (mm) | 9.9 | 9.9 |
| Thickness (mm) | 1.58 | 1.58 |
| Pitch (mm) | 1.27 | 1.27 |
| Max Height (mm) | 1.75 | 1.75 |
| Mechanical Data | Download | Download |
Parametrics
| Absolute Vin (safety rating)(Max)( | 7 V |
| Battery Charge Voltage(Max) | 20 V |
| Cell Chemistry | Li-Ion/Li-Polymer |
| Charge Current(Max) | 2 A |
| Control Interface | Standalone (RC-Settable) |
| Control Topology | Switch-Mode Buck |
| Number of Series Cells | 1,2,3,4 |
| Operating Vin(Max) | 5.5 V |
| Operating Vin(Min) | 4.5 V |
| Package Group | SOIC |
| Package Size: mm2:W x L | 16SOIC: 59 mm2: 6 x 9.9(SOIC) PKG |
| Special Features | Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A |
Eco Plan
| RoHS | Compliant |
Application Notes
- Designed to Go: 20W Miniature Dual-Stage Fast Lithium-Ion Charger Using bq2954PDF, 169 Kb, File published: Sep 5, 1999
20W Miniature Dual-Stage Fast Lithium-Ion Charger Using bq2954 - Using the bq2954PDF, 184 Kb, File published: Jan 2, 2008
- Battery Charger Termination Issues With System Load Applied Across Battery (Rev. A)PDF, 151 Kb, Revision: A, File published: Oct 2, 2006
Battery Charger Termination Issues With System Load Applied Across Battery While Charging
Model Line
Series: BQ2954 (6)
- BQ2954PN BQ2954PNE4 BQ2954SN BQ2954SNG4 BQ2954SNTR BQ2954SNTRG4
Manufacturer's Classification
- Semiconductors > Power Management > Battery Management Products > Battery Charger IC
