TLC59291_15 Datasheet, PDF (18/45 Pages) Texas Instruments – TLC59291 8/16-Channel, Constant Current LED Driver with 7-bit Brightness Control Low Quiescent Current and Full Self Diagnosis for LED Lamp

TLC59291
SLVSA96 – SEPTEMBER 2015
Timing Diagrams (continued)
SIN ^{DATA DATA DATA DATA}
0A 15B 14B 13B
DATA DATA DATA
2B 1B 0B
DATA DATA
7C 6C
DATA DATA
1C 0C
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SCLK
LAT
Shift register
LSB Data
(Internal)
Shift register
LSB +1Data
(Internal)
Shift register
MSB -1Data
(Internal)
Shift register
MSB Data
(Internal)
Output on-off
data latch
(Internal)
Control data
Latch
(Internal)
SOUT
1
23
14 15 16
1
2
DATA DATA DATA
0A 15B 14B
DATA DATA DATA
1A 0A 15B
DATA DATA DATA
14A 13A 12A
DATA DATA DATA
15A 14A 13A
DATA15A-0A
DATA DATA DATA
2B 1B 0B
DATA DATA DATA
3B 2B 1B
DATA DATA DATA
0A 15B 14B
DATA DATA DATA
1A 0A 15B
DATA
7C
DATA
0B
DATA
14B
DATA
15B
DATA15B-0B
Latest control data
DATA DATA DATA
15A 14A 13A
DATA DATA DATA
1A 0A 15B
DATA DATA
7B
6B
7
8
DATA DATA
1C 0C
DATA DATA
2C 1C
DATA DATA
14B 14B
DATA DATA
15B 15B
DATA 7C-0C
DATA DATA
0B 7C
BLANK
OFF
OUTn⁽¹⁾ _ON
OFF
OUTn+1⁽¹⁾ _ON
ON
ON
OFF
OFF
OUTn^{(2) OFF}
ON
ON
OUTn^{(3) OFF}
ON
OFF
OFF
ON
OUTn^{(4) OFF}
ON
OFF
OFF
(1) If the on/off latched data is changed from “0” to “1” at 1’st LAT signal, changed from “1” to “0” at 2’nd LAT signal.
(2) If the on/off latched data is changed from “0” to “1” at 1’st LAT signal, changed from “1” to “1” at 2’nd LAT signal.
(3) If the on/off latched data is changed from “1” to “0” at 1’st LAT signal, changed from “0” to “1” at 2’nd LAT signal.
(4) If the on/off latched data is “0”.
Figure 12. On-Off Control Data Write Timing (BLANK Mode = 0)
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