Datasheet Texas Instruments LP8543
| Manufacturer | Texas Instruments |
| Series | LP8543 |
SMBus/I2C Controlled WLED Driver for Medium Sized LCD Backlight
Datasheets
LP8543 SMBus/I2C Controlled WLED Driver for Medium-Sized LCD Backlight datasheet
PDF, 1.2 Mb, Revision: D, File published: Mar 12, 2013
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Prices
Status
| LP8543SQ/NOPB | LP8543SQE/NOPB | LP8543SQX/NOPB | |
|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | Yes | Yes |
Packaging
| LP8543SQ/NOPB | LP8543SQE/NOPB | LP8543SQX/NOPB | |
|---|---|---|---|
| N | 1 | 2 | 3 |
| Pin | 24 | 24 | 24 |
| Package Type | RTW | RTW | RTW |
| Industry STD Term | WQFN | WQFN | WQFN |
| JEDEC Code | S-PQFP-N | S-PQFP-N | S-PQFP-N |
| Package QTY | 1000 | 250 | 4500 |
| Carrier | SMALL T&R | SMALL T&R | LARGE T&R |
| Device Marking | L8543SQ | L8543SQ | L8543SQ |
| Width (mm) | 4 | 4 | 4 |
| Length (mm) | 4 | 4 | 4 |
| Thickness (mm) | .75 | .75 | .75 |
| Pitch (mm) | .5 | .5 | .5 |
| Max Height (mm) | .8 | .8 | .8 |
| Mechanical Data | Download | Download | Download |
Parametrics
| Parameters / Models | LP8543SQ/NOPB | LP8543SQE/NOPB | LP8543SQX/NOPB |
|---|---|---|---|
| Number of Channels | 7 | 7 | 7 |
| Duty Cycle(Max), % | 100 | 100 | 100 |
| LED | 70 | 70 | 70 |
| LED Current Per Channel, mA | 60 | 60 | 60 |
| Operating Temperature Range, C | -30 to 85 | -30 to 85 | -30 to 85 |
| Package Group | WQFN | WQFN | WQFN |
| Package Size: mm2:W x L, PKG | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) | 24WQFN: 16 mm2: 4 x 4(WQFN) |
| Peak Efficiency, % | 91 | 91 | 91 |
| Rating | Catalog | Catalog | Catalog |
| Shutdown Current(Typ), uA | 1 | 1 | 1 |
| Special Features | Enable/Shutdown,I2C Control,PWM Control | Enable/Shutdown,I2C Control,PWM Control | Enable/Shutdown,I2C Control,PWM Control |
| Switching Frequency(Max), kHz | 1250 | 1250 | 1250 |
| Topology | Boost,Current Sink | Boost,Current Sink | Boost,Current Sink |
| Type | Inductive | Inductive | Inductive |
| Vin(Max), V | 22 | 22 | 22 |
| Vin(Min), V | 5.5 | 5.5 | 5.5 |
| Vout(Max), V | 40 | 40 | 40 |
| Vout(Min), V | 10 | 10 | 10 |
Eco Plan
| LP8543SQ/NOPB | LP8543SQE/NOPB | LP8543SQX/NOPB | |
|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant |
Model Line
Series: LP8543 (3)
Manufacturer's Classification
- Semiconductors> Power Management> LED Driver> Backlight
