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| TLC5928_16 Datasheet, PDF (10/32 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with LED Open Detection | |||
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TLC5928
SBVS120E â JULY 2008 â REVISED JANUARY 2011
www.ti.com
SIN
DATA
0A
TSU0
DATA
15B
DATA DATA
14B 13B
TH0
DATA
12B
DATA
11B
TWH0
SCLK
1 234 5
DATA DATA DATA
3B
2B
1B
DATA
0B
TH1
13 14 15 16
LAT
TSU1
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
TWH1
1 234 56
TWL0
Shift Register DATA
LSB Data (Internal) 0A
Shift Register DATA
LSB+1 Data (Internal) 1A
LOD DATA DATA DATA DATA
0
15B 14B 13B 12B
LOD
1
LOD DATA DATA DATA
0
15B 14B 13B
DATA DATA DATA DATA
3B
2B
1B 0B
LOD 0A or PTW_A
DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C
DATA DATA DATA
4B
3B
2B
LOD 1A or PTW_A
LOD DATA DATA DATA DATA
0A 15C 14C 13C 12C
Shift Register DATA
MSB-1 Data (Internal) 14A
Shift Register DATA
MSB Data (Internal) 15A
LOD
14
LOD
13
LOD
12
LOD
11
LOD
10
LOD
15
LOD
14
LOD
13
LOD
12
LOD
11
On/Off Control
Latch Data (Internal)
LOD LOD DATA
1
0
15B
LOD 14A or PTW_A
LOD
13A
LOD
12A
LOD
11A
LOD
10A
LOD
9A
LOD
2
LOD
1
LOD DATA
0
15B
LOD 15A or PTW_A
LOD
14A
LOD
13A
LOD
12A
LOD
11A
LOD
10A
Previous On/Off Latch Data
Latest On/Off Latch Data
SOUT
BLANK
DATA
15A
LOD
15
LOD
14
LOD
13
LOD
12
LOD
11
tD0
tR0/tF0
LOD
2
LOD
1
LOD DATA
0
15B
LOD 15A or PTW_A
LOD
14A
LOD
13A
LOD
12A
LOD
11A
LOD
10A
tWH2
tWL2
OFF
OUTn(1) ON
OFF
OUTn(2) ON
OFF
OUTn(3) ON
OFF
OUTn(4) ON
tD1
ON
tD1
ON
tF1
tD2
OFF
tD1
ON
OFF
tD2
ON
OFF
tOUTON
OFF
tR1
(1) On/off latched data are '1'.
(2) On/off latched data are changed from '1' to '0' at the second LAT signal.
(3) On/off latched data are changed from '0' to '1' at the second LAT signal.
(4) On/off latched data are '0'.
Figure 9. Timing Diagram
10
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© 2008â2011, Texas Instruments Incorporated
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