Datasheet Texas Instruments BQ24401
| Manufacturer | Texas Instruments |
| Series | BQ24401 |
Switch-mode NiCd/NiMH Battery Charger with dT/dt Termination
Datasheets
Programmable NiCd/NiMH Fast-Charge Management IC datasheet
PDF, 1.2 Mb, Revision: A, File published: Mar 8, 2010
Extract from the document
Prices
Status
| BQ24401D | BQ24401DG4 | BQ24401DR | BQ24401DRG4 | BQ24401PW | BQ24401PWG4 | BQ24401PWR | BQ24401PWRG4 | |
|---|---|---|---|---|---|---|---|---|
| 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) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes | No | Yes | Yes | No | No | No |
Packaging
| BQ24401D | BQ24401DG4 | BQ24401DR | BQ24401DRG4 | BQ24401PW | BQ24401PWG4 | BQ24401PWR | BQ24401PWRG4 | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Pin | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Package Type | D | D | D | D | PW | PW | PW | PW |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | TSSOP | TSSOP | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 75 | 75 | 2500 | 2500 | 150 | 150 | 2000 | 2000 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE | TUBE | LARGE T&R | LARGE T&R |
| Device Marking | 24401 | 24401 | 24401 | 24401 | 24401 | 24401 | 24401 | 24401 |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 4.4 | 4.4 | 4.4 | 4.4 |
| Length (mm) | 4.9 | 4.9 | 4.9 | 4.9 | 3 | 3 | 3 | 3 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1 | 1 | 1 | 1 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.2 | 1.2 | 1.2 | 1.2 |
| Mechanical Data | Download | Download | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | BQ24401D | BQ24401DG4 | BQ24401DR | BQ24401DRG4 | BQ24401PW | BQ24401PWG4 | BQ24401PWR | BQ24401PWRG4 |
|---|---|---|---|---|---|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Battery Charge Voltage(Max), V | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Battery Charge Voltage(Min), V | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 | 0.95 |
| Cell Chemistry | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH | NiCd,NiMH |
| Charge Current(Max), A | 2 | 2 | 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) | 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 | 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 | 1,2,3,4 | 1,2,3,4 |
| Operating Vin(Max), V | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| Operating Vin(Min), V | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Package Group | SOIC | SOIC | SOIC | SOIC | TSSOP | TSSOP | TSSOP | TSSOP |
| Package Size: mm2:W x L, PKG | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 8SOIC: 29 mm2: 6 x 4.9(SOIC) | 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) | 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) | 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) | 8TSSOP: 19 mm2: 6.4 x 3(TSSOP) |
| 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) | Temp Monitoring (Thermistor Pin) | Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
Eco Plan
| BQ24401D | BQ24401DG4 | BQ24401DR | BQ24401DRG4 | BQ24401PW | BQ24401PWG4 | BQ24401PWR | BQ24401PWRG4 | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Application Notes
- U-504 Using the bq2000/T to Control Fast Charge (Rev. B)PDF, 193 Kb, Revision: B, File published: Dec 2, 2004
The bq2000/T are programmable, monolithic ICs for fast-charge management of nickel cadmium, nickel metal-hydride, and lithium-ion batteries in single- or multichemistry applications. This application note discusses simple ways to select all necessary components to implement various switch-mode topologies. It also discusses how to configure the bq2000/T inputs to accomodate different appplication c
Model Line
Series: BQ24401 (8)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC
