Datasheet Texas Instruments BQ2005
| Manufacturer | Texas Instruments |
| Series | BQ2005 |
Switch-mode NiCd/NiMH Battery Charger for Sequential Charging Of Dual Battery Packs
Datasheets
Fast-Charge IC for Dual-Battery Packs datasheet
PDF, 657 Kb, Revision: A, File published: Jul 25, 2000
Extract from the document
Prices
Status
| BQ2005PN | BQ2005S | BQ2005SG4 | BQ2005STR | BQ2005STRG4 | |
|---|---|---|---|---|---|
| Lifecycle Status | Obsolete (Manufacturer has discontinued the production of the device) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes | No | Yes |
Packaging
| BQ2005PN | BQ2005S | BQ2005SG4 | BQ2005STR | BQ2005STRG4 | |
|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 |
| Pin | 20 | 20 | 20 | 20 | 20 |
| Package Type | N | DW | DW | DW | DW |
| Industry STD Term | PDIP | SOIC | SOIC | SOIC | SOIC |
| JEDEC Code | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Width (mm) | 6.35 | 7.5 | 7.5 | 7.5 | 7.5 |
| Length (mm) | 24.33 | 12.8 | 12.8 | 12.8 | 12.8 |
| Thickness (mm) | 4.57 | 2.35 | 2.35 | 2.35 | 2.35 |
| Pitch (mm) | 2.54 | 1.27 | 1.27 | 1.27 | 1.27 |
| Max Height (mm) | 5.08 | 2.65 | 2.65 | 2.65 | 2.65 |
| Mechanical Data | Download | Download | Download | Download | Download |
| Package QTY | 25 | 25 | 2000 | 2000 | |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | |
| Device Marking | 2005S | -D | -D | -D |
Parametrics
| Parameters / Models | BQ2005PN | BQ2005S | BQ2005SG4 | BQ2005STR | BQ2005STRG4 |
|---|---|---|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 7 | 7 | 7 | 7 | |
| Absolute Vin (safety rating)(Max)((V)) | 7 | ||||
| Approx. Price (US$) | 2.31 | 1ku | ||||
| Battery Charge Voltage(Max), V | 20 | 20 | 20 | 20 | |
| Battery Charge Voltage(V) | Adjustable | ||||
| Cell Chemistry | NiCd NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH |
| Charge Current(Max), A | 2 | 2 | 2 | 2 | |
| Charge Current(Max)(A) | 2 | ||||
| Charging Control Topology | Switching Charger | ||||
| Control Interface | 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 | |
| Number of Series Cells | 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 | |
| Operating Vin(Max)(V) | 5.5 | ||||
| Operating Vin(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | |
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC |
| Package Size: mm2:W x L, PKG | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | |
| Package Size: mm2:W x L (PKG) | See datasheet (PDIP) | ||||
| Special Features | 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 |
Eco Plan
| BQ2005PN | BQ2005S | BQ2005SG4 | BQ2005STR | BQ2005STRG4 | |
|---|---|---|---|---|---|
| RoHS | Not Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | No |
Application Notes
- U-507 Using the bq2005 to Control Fast ChargePDF, 241 Kb, File published: Sep 5, 1999
The bq2005 is a fast-charge IC that provides comprehensive fast-charge control functions and high-speed switching power-control circuitry on a monolithic CMOS device. The bq2005 offers sequential charge management in dual-battery-pack applications. This application note describes the use of the bq2005 to control a current source to fast-charge NiCd or NiMH batteries. The bq2005 can also serve as t - 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: BQ2005 (5)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC
