WLED driver IC for medium-sized LCD backlights, featuring SMBus/I²C control and PWM dimming. Operates from 5.5V to 22V input, delivering up to 60mA output current per channel across 7 channels. Supports an output voltage of 40V and an operating frequency range of 625 kHz to 1.25 MHz. Packaged in a 24-WQFN surface mount with dimensions of 4mm x 4mm x 0.8mm, suitable for operation between -30°C and 85°C.
Frequency1.25MHz
MountingSurface Mount
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Technical Specifications
Texas Instruments LP8543SQE/NOPB technical specifications.
General
Dimming
PWM
Features
I²C
Frequency
1.25MHz
Height
0.8mm
High Level Output Current
-3mA
Lead Free
Lead Free
Length
4mm
Low Level Output Current
3mA
Max Input Voltage
22V
Min Input Voltage
5.5V
Max Operating Temperature
85°C
Min Operating Temperature
-30°C
Max Supply Current
3.5mA
Max Supply Voltage
22V
Min Supply Voltage
5.5V
Mount
Surface Mount
Number of Channels
7
Number of Outputs
7
Number of Segments
70
Operating Frequency
625 kHz to 1.25 MHz
Output Current
60mA
Output Current per Channel
60mA
Output Voltage
40V
Package Quantity
250
Packaging
Tape and Reel
Radiation Hardening
No
Reach SVHC Compliant
No
RoHS Compliant
Yes
Topology
Boost
Width
4mm
Compliance
RoHS
Compliant
Datasheet
Texas Instruments LP8543SQE/NOPB Datasheet
Download the complete datasheet for Texas Instruments LP8543SQE/NOPB to view detailed technical specifications.
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