Part Name
         Description
TLC5942

 16-Channel, 12-Bit PWM LED Driver with 7-Bit Dot Correction ( 33 Page)


TI
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FUNCTIONAL BLOCK DIAGRAM
VCC
VCC
GSSIN
GSSCLK
XGSLAT
DCSIN
DCSCLK
XDCLAT
BLANK
IREF
GND
33rdGSSCLKSignalAfterBLANKGoesLow
GND
0
112
16
16
16
16
112
192
192
111
MSB
LSB
0
111
MSB
LSB
0
191
MSB
LSB
0
191
MSB
LSB
OUT0
OUT1
OUT14
OUT15
¼
GSSOUT
DCSOUT
Grayscale
Counter
Reference
Current
Control
LEDOpenDetection
(LOD,16Channels)
ConstantCurrentDriverwithDotCorrection
(16Channels)
OutputSwitchingDelay
(4-ChannelUnit)
12-BitPWMTimingControl
Thermal
Detection
DotCorrectionDataLatch
(7Bitsx16Channels)
DotCorrectionShiftRegister
(7Bitsx16Channels)
GrayscaleDataLatch
(12Bitsx16Channels)
GrayscaleShiftRegister
(12Bitsx16Channels)
LEDOpenDetectionDataLatch
(16LOD)
12
TLC5942
SBVS096B – OCTOBER 2007 – REVISED OCTOBER 2007
6
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TLC5942
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