Datasheet Texas Instruments BQ24105
| Manufacturer | Texas Instruments |
| Series | BQ24105 |
Standalone Synchronous Switch-Mode Li-Ion Charger w/2A FET in QFN-20, 1 to 3 Cells
Datasheets
bq241xx Synchronous Switched-Mode, Li-Ion and Li-Polymer Charge-Management IC With Integrated Power FETs (bqSWITCHERв„ў) datasheet
PDF, 1.5 Mb, Revision: P, File published: Nov 30, 2015
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Status
| BQ24105RHLR | BQ24105RHLRG4 | |
|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | Yes | Yes |
Packaging
| BQ24105RHLR | BQ24105RHLRG4 | |
|---|---|---|
| N | 1 | 2 |
| Pin | 20 | 20 |
| Package Type | RHL | RHL |
| Industry STD Term | VQFN | VQFN |
| JEDEC Code | R-PQFP-N | R-PQFP-N |
| Package QTY | 3000 | 3000 |
| Carrier | LARGE T&R | LARGE T&R |
| Device Marking | CIF | CIF |
| Width (mm) | 3.5 | 3.5 |
| Length (mm) | 4.5 | 4.5 |
| Thickness (mm) | .9 | .9 |
| Pitch (mm) | .5 | .5 |
| Max Height (mm) | 1 | 1 |
| Mechanical Data | Download | Download |
Parametrics
| Parameters / Models | BQ24105RHLR | BQ24105RHLRG4 |
|---|---|---|
| Absolute Vin (safety rating)(Max)(, V | 20 | 20 |
| Battery Charge Voltage(Max), V | 15.5 | 15.5 |
| Battery Charge Voltage(Min), V | 2.1 | 2.1 |
| Cell Chemistry | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
| Charge Current(Max), A | 2 | 2 |
| Control Interface | Standalone (RC-Settable) | Standalone (RC-Settable) |
| Control Topology | Switch-Mode Buck | Switch-Mode Buck |
| Number of Series Cells | 1,2,3 | 1,2,3 |
| Operating Vin(Max), V | 16 | 16 |
| Operating Vin(Min), V | 4.35 | 4.35 |
| Package Group | VQFN | VQFN |
| Package Size: mm2:W x L, PKG | 20VQFN: 16 mm2: 3.5 x 4.5(VQFN) | 20VQFN: 16 mm2: 3.5 x 4.5(VQFN) |
| Special Features | Integrated FET,Temp Monitoring (Thermistor Pin) | Integrated FET,Temp Monitoring (Thermistor Pin) |
| USB Feature | N/A | N/A |
Eco Plan
| BQ24105RHLR | BQ24105RHLRG4 | |
|---|---|---|
| RoHS | Compliant | Compliant |
Application Notes
- Using bq24105 as Lead-Acid ChargerPDF, 151 Kb, File published: Jun 8, 2007
This application report gives an example of using the bq24105 charge integrated circuit to provide a high-efficiency, switching-mode charging solution for a lead-acid battery. - Using the bq24105/25 to Charge LiFePO4 batteryPDF, 118 Kb, File published: Dec 17, 2007
This application report gives an example of using the bq24105/25 charge management device to provide a high-efficiency, switching-mode charging solution for the LiFePOв‚„battery. - Power Dissipation Analysis & Circuit Design for Sync Switching Battery ChargerPDF, 402 Kb, File published: May 31, 2005
The bqSWITCHER(TM) (bq24100/03/05/08/13/15) is a highly integrated, switch-mode, Li-ion and Li-polymer battery charger IC. With two power MOSFETs, the gate drivers, and the controller fully integrated in the chip, the circuit design as well as the PCB layout has been appreciably simplified. However, it is still important to have a good understanding of the charger circuit design, layout principles - Implementations of Battery Charger and Power-Path Mgmt System Using bq241xxPDF, 752 Kb, File published: Jun 6, 2006
This application report presents four system topologies that can be used to fully implement a portable power management system solution using the bqSWITCHERв„ў. Test results and the advantages and issues of each topology are discussed. - Drive High Current LEDsPDF, 437 Kb, File published: Jan 25, 2007
This application report presents high-current LED driving requirements that use the TI integrated boost converter IC TPS6106x and integrated buck converter IC bqSWITCHERв„ў (bq2410x/11x/12x). Step-by-step design procedures, measurement results, and two dimming methods are provided and discussed.
Model Line
Series: BQ24105 (2)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC
