Datasheet Texas Instruments BQ24123
Manufacturer | Texas Instruments |
Series | BQ24123 |

Synchronous Switch-Mode 2-cell Li-Ion Charger w/2A FET, enhanced EMI performance
Datasheets
bq2412x Single-Chip Switched-Mode, Li-Ion, and Li-Polymer Charge-Management IC With Enhanced EMI Performance (bqSWITCHERв„ў) datasheet
PDF, 2.1 Mb, Revision: H, File published: Nov 30, 2015
Extract from the document
Prices
Status
BQ24123RHLR | BQ24123RHLRG4 | BQ24123RHLT | BQ24123RHLTG4 | |
---|---|---|---|---|
Lifecycle Status | 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 | No |
Packaging
BQ24123RHLR | BQ24123RHLRG4 | BQ24123RHLT | BQ24123RHLTG4 | |
---|---|---|---|---|
N | 1 | 2 | 3 | 4 |
Pin | 20 | 20 | 20 | 20 |
Package Type | RHL | RHL | RHL | RHL |
Industry STD Term | VQFN | VQFN | VQFN | VQFN |
JEDEC Code | R-PQFP-N | R-PQFP-N | R-PQFP-N | R-PQFP-N |
Package QTY | 3000 | 3000 | 250 | 250 |
Carrier | LARGE T&R | LARGE T&R | SMALL T&R | SMALL T&R |
Device Marking | BQV | BQV | BQV | BQV |
Width (mm) | 3.5 | 3.5 | 3.5 | 3.5 |
Length (mm) | 4.5 | 4.5 | 4.5 | 4.5 |
Thickness (mm) | .9 | .9 | .9 | .9 |
Pitch (mm) | .5 | .5 | .5 | .5 |
Max Height (mm) | 1 | 1 | 1 | 1 |
Mechanical Data | Download | Download | Download | Download |
Parametrics
Parameters / Models | BQ24123RHLR![]() | BQ24123RHLRG4![]() | BQ24123RHLT![]() | BQ24123RHLTG4![]() |
---|---|---|---|---|
Absolute Vin (safety rating)(Max)(, V | 20 | 20 | 20 | 20 |
Battery Charge Voltage(Max), V | 4.2,8.4 | 4.2,8.4 | 4.2,8.4 | 4.2,8.4 |
Battery Charge Voltage(Min), V | 4.2,8.4 | 4.2,8.4 | 4.2,8.4 | 4.2,8.4 |
Cell Chemistry | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer | Li-Ion/Li-Polymer |
Charge Current(Max), A | 2 | 2 | 2 | 2 |
Control Interface | 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 | 1,2,3 | 1,2,3 | 1,2,3 |
Operating Vin(Max), V | 16 | 16 | 16 | 16 |
Operating Vin(Min), V | 4.35 | 4.35 | 4.35 | 4.35 |
Package Group | VQFN | VQFN | 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) | 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) | Integrated FET,Temp Monitoring (Thermistor Pin) | Integrated FET,Temp Monitoring (Thermistor Pin) |
USB Feature | N/A | N/A | N/A | N/A |
Eco Plan
BQ24123RHLR | BQ24123RHLRG4 | BQ24123RHLT | BQ24123RHLTG4 | |
---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant |
Application Notes
- bq24103/13/23/33 ComparisonPDF, 38 Kb, File published: Aug 12, 2011
This application report presents an overview of the differences among the bq24103, bq24113, bq24123 and bq24133. It assists design engineers in selecting the most suitable charger for their applications. - 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: BQ24123 (4)
Manufacturer's Classification
- Semiconductors> Power Management> Battery Management Products> Battery Charger IC