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TLC5952DAP Datasheet(PDF) 24 Page - Texas Instruments

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Part # TLC5952DAP
Description  24-Channel, Constant-Current LED Driver with Global Brightness Control and LED Open-Short Detection
PDF  33 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TLC5952DAP Datasheet(HTML) 24 Page - Texas Instruments

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22B
On
ThedatainthecommonshiftregisterarecopiedtothecontroldatalatchattherisingedgeofLAT.
SIDdata(LODorLSDandTEF)areloadedintothecommonshiftregisteratthesametime.
TEF
B
LOD
R0A
23C
On
23B
On
Low
0A
On
Low
LOD
B7B
TEF
A
SCLK
SIN
OUTXn
OFF
1
2
3
4
5
LAT
BLANK
SOUT
(CommonShiftRegister)
(Bit24)
22
23
24
25
21B
On
20B
On
0B
On
1B
On
2B
On
3B
On
22C
On
21C
On
20C
On
17C
On
18C
On
LOD
G7A
LOD
R7A
LOD
B6A
LOD
G6A
LOD
R1A
LOD
B0A
LOD
G0A
LOD
G7B
LOD
R7B
LOD
B6B
LOD
G6B
LOD
R6B
LOD
G5B
LOD
B7A
1
2
3
4
5
6
7
19C
On
16C
On
LOD
B5B
(LODVoltage)
SIDdataarecopiedtothe25-bitcommonshiftregisteratthe
risingedgeofLATwiththecommonshiftregisterMSBlow.
0V
LOD/LSDData
ForOUTXn
(Internal)
'0'
'0'
(LSDVoltage)
Low
ON
ON
22B
On
ThedatainthecommonshiftregisterarecopiedtothecontroldatalatchattherisingedgeofLAT.
SIDdata(LODorLSDandTEF)areloadedintothecommonshiftregisteratthesametime.
TEF
B
LOD
R0A
23C
On
23B
On
Low
0A
On
Low
LOD
B7B
TEF
A
SCLK
SIN
1
2
3
4
5
LAT
BLANK
SOUT
(CommonShiftRegister)
(Bit24)
22
23
24
25
21B
On
20B
On
0B
On
1B
On
2B
On
3B
On
22C
On
21C
On
20C
On
17C
On
18C
On
LOD
G7A
LOD
R7A
LOD
B6A
LOD
G6A
LOD
R1A
LOD
B0A
LOD
G0A
LOD
G7B
LOD
R7B
LOD
B6B
LOD
G6B
LOD
R6B
LOD
G5B
LOD
B7A
1
2
3
4
5
6
7
19C
On
16C
On
LOD
B5B
Low
OUTXn
ON
OFF
(LODVoltage)
(LSDVoltage)
ON
0V
LODCircuitOutput
ForOUTXn
(Internal)
'0'(LEDisNotOpen)
'1'(LEDisOpen)
'1'(LEDisOpen)
LEDisOpenAtThisTime
'1'(LEDisOpen)
'1'(LEDisOpen)
LODoutputbecomes '0' whentheoutputisoff.
LODDataInLOD/LSDHolder
(Internal)
LODdataarenotupdatedwhileBLANKishigh.
Therefore,LODdatainpreviousdisplayperiods
canbereadevenifBLANKishigh.
LODdataareimmediatelyupdatedwiththe
LODcircuitoutputwhenBLANKislow.
SIDdataarecopiedtothe25-bitcommonshiftregisteratthe
risingedgeofLATwiththecommonshiftregisterMSBlow.
TLC5952
SBVS129 – MAY 2009........................................................................................................................................................................................................ www.ti.com
Figure 36. LOD/LSD/TEF Operation (No LED Error)
Figure 37. LOD/LSD/TEF Operation (LED Open Error)
24
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Copyright © 2009, Texas Instruments Incorporated
Product Folder Link(s): TLC5952



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