Datasheet Texas Instruments BQ2004
Manufacturer | Texas Instruments |
Series | BQ2004 |
Switch-mode NiCd/NiMH Battery Charger w/Negative dV, Peak Voltage Detection, dT/dt Termination
Datasheets
Fast-Charge IC datasheet
PDF, 612 Kb, Revision: B, File published: Apr 19, 2005
Extract from the document
Prices
Status
BQ2004PN | BQ2004PNG4 | BQ2004SN | BQ2004SNG4 | BQ2004SNTR | BQ2004SNTRG4 | |
---|---|---|---|---|---|---|
Lifecycle Status | NRND (Not recommended for new designs) | NRND (Not 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 | No | No | Yes | No |
Packaging
BQ2004PN | BQ2004PNG4 | BQ2004SN | BQ2004SNG4 | BQ2004SNTR | BQ2004SNTRG4 | |
---|---|---|---|---|---|---|
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 | 2004PN | -A4 | 2004 | -A4 | A4 | A4 |
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 | BQ2004PN | BQ2004PNG4 | BQ2004SN | BQ2004SNG4 | BQ2004SNTR | BQ2004SNTRG4 |
---|---|---|---|---|---|---|
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 | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH |
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 | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC |
Package Size: mm2:W x L, PKG | 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) | 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
BQ2004PN | BQ2004PNG4 | BQ2004SN | BQ2004SNG4 | BQ2004SNTR | BQ2004SNTRG4 | |
---|---|---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Application Notes
- High-Side Current Sensing with Benchmarq's Fast-Charge Control ICsPDF, 31 Kb, File published: Sep 5, 1999
A low-side, current-sensing resistor in a fast-charge control circuit generates a small voltage drop between the low side of the battery pack and ground. This drop is not a problem in most cases; however, some applications, particularly mobile communications circuits, are intolerant of any potential difference between the low side of the battery pack and ground. Using a few additional components i - Using NiMH and Li-Ion Batteries in Portable ApplicationsPDF, 177 Kb, File published: Sep 5, 1999
- 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: BQ2004 (6)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC