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