TLC59281 Datasheet, PDF (15/19 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver

TLC59281
www.ti.com
SBVS139 – JANUARY 2010
SIN
DATA
0A
DATA DATA DATA DATA DATA
15B 14B 13B 12B 11B
SCLK
LAT
123 45
Shift Register _DATA
LSB Data (Internal) ^0A
Shift Register _DATA
LSB+1 Data (Internal) ^1A
RSV
DATA DATA DATA DATA
15B 14B 13B 12B
RSV
RSV
DATA DATA DATA
15B 14B 13B
DATA DATA DATA
3B
2B
1B
DATA
0B
13 14 15 16
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
12345 6
DATA DATA DATA DATA
3B
2B
1B 0B
DATA DATA DATA DATA
4B
3B
2B 1B
RSV 0A
RSV 1A
DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C
RSV
DATA DATA DATA
15C 14C 13C
DATA
12C
Shift Register _DATA
MSB-1 Data(Internal) ^14A
RSV
RSV RSV RSV RSV
Shift Register _DATA
MSB Data(Internal) ^1A
RSV
RSV RSV RSV RSV
On/Off Control
Latch Data (Internal)
SOUT
DATA
1A
RSV
RSV RSV RSV RSV
RSV
RSV
DATA DATA
15B 14B
RSV
RSV
RSV
DATA
15B
Previous On/Off Latch Data
RSV
RSV
RSV
DATA
15B
RSV 14A
RSV RSV RSV RSV RSV
RSV 15A
RSV RSV RSV RSV RSV
Latest On/Off Latch Data
RSV 15A
RSV RSV RSV RSV RSV
BLANK
OUTn^{(1) OFF}
ON
OFF
ON
OUTn^{(2) OFF}
ON
OFF
ON
OUTn^{(3) OFF}
ON
OFF
ON
OFF
OUTn^{(4) OFF}
ON
OFF
OFF
(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 18. On/Off Control Operation
Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TLC59281
Submit Documentation Feedback
15