Datasheet Texas Instruments LP3943ISQ
| Manufacturer | Texas Instruments |
| Series | LP3943 |
| Part Number | LP3943ISQ |
16 channel RGB/White LED driver with independent string control via SMBUS/I2C 24-WQFN -40 to 85
Datasheets
LP3943 16-Channel RGB, White-LED Driver With Independent SMBUS/I2C String Control datasheet
PDF, 985 Kb, Revision: D, File published: Nov 4, 2016
Extract from the document
Prices
Status
| Lifecycle Status | NRND (Not recommended for new designs) |
| Manufacture's Sample Availability | No |
Packaging
| Pin | 24 |
| Package Type | RTW |
| Industry STD Term | WQFN |
| JEDEC Code | S-PQFP-N |
| Package QTY | 1000 |
| Carrier | SMALL T&R |
| Device Marking | 3943SQ |
| Width (mm) | 4 |
| Length (mm) | 4 |
| Thickness (mm) | .75 |
| Pitch (mm) | .5 |
| Max Height (mm) | .8 |
| Mechanical Data | Download |
Replacements
| Replacement | LP3943ISQ/NOPB |
| Replacement Code | S |
Parametrics
| Number of Channels | 16 |
| Iout(Max) | 0.2 A |
| Iq(Typ) | 0.35 mA |
| LED | 16 |
| LED Configuration | Parallel |
| LED Current Per Channel | 25 mA |
| Operating Temperature Range | -40 to 85 C |
| Package Group | WQFN |
| Package Size: mm2:W x L | 24WQFN: 16 mm2: 4 x 4(WQFN) PKG |
| Peak Efficiency | 100 % |
| Program Memory | No |
| Programmable Ramp Control | No |
| Rating | Catalog |
| Shutdown Current(Typ) | 2 uA |
| Special Features | I2C Control |
| Topology | Linear |
| Vin(Max) | 5.5 V |
| Vin(Min) | 2.3 V |
| Vout(Max) | 5.5 V |
| Vout(Min) | -0.5 V |
Eco Plan
| RoHS | See ti.com |
Design Kits & Evaluation Modules
- Evaluation Modules & Boards: LP3943ISQEV
RGB White Blue 16-LED Fun Light Driver
Lifecycle Status: Active (Recommended for new designs)
Application Notes
- AN-1715 LP3943/LP3944 as a GPIO Expander (Rev. A)PDF, 138 Kb, Revision: A, File published: Apr 30, 2013
This application report describes how to use LP3943/44 as a general-purpose input/output (GPIO)expander. It is recommended that circuit data sheets are read first and used in conjunction with thisdocument.
Model Line
Series: LP3943 (3)
- LP3943ISQ LP3943ISQ/NOPB LP3943ISQX/NOPB
Manufacturer's Classification
- Semiconductors > Power Management > LED Driver > RGB & White LED Driver
