Datasheet Texas Instruments BQ2954
| Manufacturer | Texas Instruments |
| Series | BQ2954 |
Switch-mode Li-Ion Charge Controller
Datasheets
Lithium Ion Charge Management IC with Integrated Switching Controller datasheet
PDF, 733 Kb, File published: Sep 5, 1999
Extract from the document
Prices
Status
| BQ2954PN | BQ2954PNE4 | BQ2954SN | BQ2954SNG4 | BQ2954SNTR | BQ2954SNTRG4 | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | No | Yes | Yes | Yes | No |
Packaging
| BQ2954PN | BQ2954PNE4 | BQ2954SN | BQ2954SNG4 | BQ2954SNTR | BQ2954SNTRG4 | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | N | N | D | D | D | D |
| Industry STD Term | PDIP | PDIP | SOIC | SOIC | SOIC | SOIC |
| JEDEC Code | R-PDIP-T | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 25 | 25 | 40 | 40 | 2500 | 2500 |
| Carrier | TUBE | TUBE | TUBE | TUBE | LARGE T&R | LARGE T&R |
| Device Marking | 2954PN-A3 | 2954PN-A3 | -A3 | 2954 | 2954 | 2954 |
| Width (mm) | 6.35 | 6.35 | 3.91 | 3.91 | 3.91 | 3.91 |
| Length (mm) | 19.3 | 19.3 | 9.9 | 9.9 | 9.9 | 9.9 |
| Thickness (mm) | 3.9 | 3.9 | 1.58 | 1.58 | 1.58 | 1.58 |
| Pitch (mm) | 2.54 | 2.54 | 1.27 | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 5.08 | 5.08 | 1.75 | 1.75 | 1.75 | 1.75 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | BQ2954PN | BQ2954PNE4 | BQ2954SN | BQ2954SNG4 | BQ2954SNTR | BQ2954SNTRG4 |
|---|---|---|---|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 7 | 7 | 7 | 7 | 7 | 7 |
| Battery Charge Voltage(Max), V | 20 | 20 | 20 | 20 | 20 | 20 |
| Cell Chemistry | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
| Charge Current(Max), A | 2 | 2 | 2 | 2 | 2 | 2 |
| Control Interface | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) | Standalone (RC-Settable) |
| Control Topology | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck | Switch-Mode Buck |
| Number of Series Cells | 1,2,3,4 | 1,2,3,4 | 1,2,3,4 | 1,2,3,4 | 1,2,3,4 | 1,2,3,4 |
| Operating Vin(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Vin(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Package Group | PDIP | PDIP | SOIC | SOIC | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | See datasheet (PDIP) | See datasheet (PDIP) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) |
| Special Features | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A | N/A | N/A | N/A | N/A | N/A |
Eco Plan
| BQ2954PN | BQ2954PNE4 | BQ2954SN | BQ2954SNG4 | BQ2954SNTR | BQ2954SNTRG4 | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes | Yes |
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)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC
