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TLC5944 Datasheet(PDF) 6 Page - Texas Instruments

Part # TLC5944
Description  16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction and Pre-Charge FET
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TLC5944 Datasheet(HTML) 6 Page - Texas Instruments

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FUNCTIONAL BLOCK DIAGRAM
VCC
VCC
SIN
SCLK
DCSEL
GSCLK
BLANK
IREF
GND
VUP
VUP
VUP
33rdGSCLKSignal
AfterBLANKGoesLow
XLAT
GND
0
96
16
16
16
16
16
96
192
192
95
MSB
LSB
0
95
MSB
LSB
0
191
MSB
LSB
0
191
MSB
LSB
OUT0
OUT1
OUT14
OUT15
SOUT
Grayscale
Counter
Reference
Current
Control
LEDOpenDetection
(LOD,16Channels)
Pre-ChargeFET
(16Channels)
ConstantCurrentSinkDriverWithDotCorrection
(16Channels)
OutputSwitchingDelay
(4-ChannelUnit)
12-BitPWMTimingControl
Thermal
Detection
and
FlagControl
(+162 C/+120 C)
°
°
DotCorrectionDataLatch
(6Bitsx16Channels)
DotCorrectionShiftRegister
(6Bitsx16Channels)
GrayscaleDataLatch
(12Bitsx16Channels)
GrayscaleShiftRegister
(12Bitsx16Channels)
LEDOpenDetectionDataLatch
(16LOD)
12
¼
XERR
XERR
Control
TLC5944
SBVS112 – JUNE 2008 ...................................................................................................................................................................................................... www.ti.com
6
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TLC5944


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