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Product InformationFeatures
Description
The bq2002E and bq2002G Fast-Charge ICs are low-cost CMOS battery-charge controllers providing reliable charge termination for both NiCd and NiMH battery applications. Controlling a current-limited or constant-current supply allows the bq2002E/G to be the basis for a cost-effective stand-alone or system-integrated charger. The bq2002E/G integrates fast charge with optional top-off and pulsed-trickle control in a single IC for charging one or more NiCd or NiMH battery cells. Fast charge is initiated on application of the charging supply or battery replacement. For safety, fast charge is inhibited if the battery temperature and voltage are outside configured limits. Fast charge is terminated by any of the following:
After fast charge, the bq2002E/G optionally tops-off and pulse-trickles the battery per the pre-configured limits. View All Description in Datasheet |
| Price | Packaging | CAD Design Tools | Samples | ||||||
| Device | Status | Temp (oC) | Price | Quantity | Package | Pins | Top Side Marking | Package QTY | Package Carrier | Symbols | Footprints | Samples |
| BQ2002EPN | ACTIVE | 0 to 70 | 0.85 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | |||
| BQ2002EPNE4 | ACTIVE | 0 to 70 | 0.85 | 1ku | PDIP (P) | 8 | View | 50 | TUBE | |||
| BQ2002ESN | ACTIVE | 0 to 70 | 0.95 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | |||
| BQ2002ESNG4 | ACTIVE | 0 to 70 | 0.95 | 1ku | SOIC (D) | 8 | View | 75 | TUBE | |||
| BQ2002ESNTR | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
| BQ2002ESNTRG4 | ACTIVE | 0 to 70 | 0.85 | 1ku | SOIC (D) | 8 | View | 2500 | LARGE T&R | Purchase Samples | ||
* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.
| Reported Distributor Inventory as of 12:14 PM GMT, 22 Nov 2009 | |||
| Region | Company | In Stock | Purchase |
| TI Lead Time*: 14 WeeksBQ2002EPN | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | 130 | |
| TI Lead Time*: 14 WeeksBQ2002EPNE4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksBQ2002ESN | |||
| Americas | Newark | 989 | |
| Rochester Electronics | 890 | ||
| Asia | Farnell Asia | 40 | |
| Europe | Arrow Northern Europe | 25 | |
| Farnell | 40 | ||
| Worldwide | DigiKey | 150 | |
| TI Lead Time*: 20 WeeksBQ2002ESNG4 | |||
| Worldwide | DigiKey | Available | |
| TI Lead Time*: 20 WeeksBQ2002ESNTR | |||
| Americas | Rochester Electronics | >1k | |
| Worldwide | DigiKey | Available | |
| Mouser Electronics | >1k | ||
| TI Lead Time*: 20 WeeksBQ2002ESNTRG4 | |||
| Worldwide | DigiKey | Available | |
** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.
| Product Content | DPPM / MTBF / FIT Rate | ||||
| Device | Eco Plan* | Lead / Ball Finish | MSL Rating / Peak Reflow | Details | Details |
BQ2002EPN  | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| BQ2002EPNE4 | Pb-Free (RoHS) | CU NIPDAU | N/A for Pkg Type | View | View |
| BQ2002ESN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| BQ2002ESNG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| BQ2002ESNTR | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
| BQ2002ESNTRG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-1-260C-UNLIM | View | View |
* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.
If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.
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Most useful technical documents for BQ2002E 
View Application Notes for Battery Charge Management
| Name | Part # | Company | Tool / Software Type |
| Temp Sense Designer Software | TEMPSENSE-SW | Texas Instruments | Analysis Software |
| Quick Search Selection Tool for Battery Chargers | BATTERY_CHARGERS_SELECTION_TOOL | Texas Instruments | Free Evaluation Tools |
| Customers Who Evaluated This Product Also Evaluated... | |||
| Part # | Name | Product Family | Comments |
| BQ2002 | NiCd/NiMH Charge Controller with Negative dV and Peak Voltage Detection Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2002C | NiCd/NiMH Charge Controller with Negative dV and Peak Voltage Detection Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2005 | Switch-mode NiCd/NiMH Battery Charger for Sequential Charging Of Dual Battery Packs | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2004E | Switch-mode NiCd/NiMH Battery Charger w/Negative dV, Peak Voltage Detection, dT/dt Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2002F | NiCd/NiMH Charge Controller with Negative dV and Peak Voltage Detection Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2000 | Switch-mode Multi-Chemistry Battery Charger with Peak Voltage Detection Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2002D | NiCd/NiMH Charge Controller with dT/dt Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ2000T | Switch-mode Multi-Chemistry Battery Charger with dT/dt Termination | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
| BQ24010 | bqTINY(TM) Linear 1-cell Li-Ion Charger w/ 1-A FET, AC Present and Temp Sense in QFN-10 | BATTERY MANAGEMENT-BATTERY CHARGE MANAGEMENT | TI customers also evaluated this product. |
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V, maximum voltage, maximum temperature, and maximum time
