16-Channel, Constant-Current LED Driver with LED Open Detection
16-Channel, Constant-Current LED Driver with LED Open Detection
16-Channel, Constant-Current LED Driver with LED Open Detection
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
TLC5928<br />
www.ti.com ................................................................................................................................................. SBVS120A–JULY 2008–REVISED SEPTEMBER 2008<br />
SIN<br />
DATA<br />
0A<br />
DATA<br />
15B<br />
DATA<br />
14B<br />
DATA<br />
13B<br />
DATA<br />
12B<br />
DATA<br />
11B<br />
DATA<br />
3B<br />
DATA<br />
2B<br />
DATA<br />
1B<br />
DATA<br />
0B<br />
DATA<br />
15C<br />
DATA<br />
14C<br />
DATA<br />
13C<br />
DATA<br />
12C<br />
DATA<br />
11C<br />
DATA<br />
10C<br />
SCLK<br />
1 2 3 4 5 13 14 15 <strong>16</strong><br />
1 2 3 4 5 6<br />
LAT<br />
Shift Register<br />
LSB Data (Internal)<br />
DATA<br />
0A<br />
LOD<br />
0<br />
DATA<br />
15B<br />
DATA<br />
14B<br />
DATA<br />
13B<br />
DATA<br />
12B<br />
DATA<br />
3B<br />
DATA<br />
2B<br />
DATA<br />
1B<br />
DATA<br />
0B<br />
LOD 0A or PTW_A<br />
DATA<br />
15C<br />
DATA<br />
14C<br />
DATA<br />
13C<br />
DATA<br />
12C<br />
DATA<br />
11C<br />
Shift Register<br />
LSB+1 Data (Internal)<br />
DATA<br />
1A<br />
LOD<br />
1<br />
LOD<br />
0<br />
DATA<br />
15B<br />
DATA<br />
14B<br />
DATA<br />
13B<br />
DATA<br />
4B<br />
DATA<br />
3B<br />
DATA<br />
2B<br />
LOD 1A or PTW_A<br />
LOD<br />
0A<br />
DATA<br />
15C<br />
DATA<br />
14C<br />
DATA<br />
13C<br />
DATA<br />
12C<br />
<br />
<br />
<br />
Shift Register<br />
MSB1 Data(Internal)<br />
DATA<br />
14A<br />
LOD<br />
14<br />
LOD<br />
13<br />
LOD<br />
12<br />
LOD<br />
11<br />
LOD<br />
10<br />
LOD<br />
1<br />
LOD<br />
0<br />
DATA<br />
15B<br />
LOD 14A or PTW_A<br />
LOD<br />
13A<br />
LOD<br />
12A<br />
LOD<br />
11A<br />
LOD<br />
10A<br />
LOD<br />
9A<br />
Shift Register<br />
MSB Data(Internal)<br />
DATA<br />
1A<br />
LOD<br />
15<br />
LOD<br />
14<br />
LOD<br />
13<br />
LOD<br />
12<br />
LOD<br />
11<br />
LOD<br />
2<br />
LOD<br />
1<br />
LOD<br />
0<br />
DATA<br />
15B<br />
LOD 15A or PTW_A<br />
LOD<br />
14A<br />
LOD<br />
13A<br />
LOD<br />
12A<br />
LOD<br />
11A<br />
LOD<br />
10A<br />
On/Off Control<br />
Latch Data (Internal)<br />
Previous Grayscale Latch Data<br />
Latest Grayscale Latch Data<br />
SOUT<br />
DATA<br />
1A<br />
LOD<br />
15<br />
LOD<br />
14<br />
LOD<br />
13<br />
LOD<br />
12<br />
LOD<br />
11<br />
LOD<br />
2<br />
LOD<br />
1<br />
LOD<br />
0<br />
DATA<br />
15B<br />
LOD 15A or PTW_A<br />
LOD<br />
14A<br />
LOD<br />
13A<br />
LOD<br />
12A<br />
LOD<br />
11A<br />
LOD<br />
10A<br />
BLANK<br />
OUTn (1) OFF<br />
ON ON<br />
OFF<br />
OUTn (2)<br />
OFF<br />
ON<br />
ON<br />
OFF<br />
OUTn (3)<br />
OFF<br />
ON<br />
OFF<br />
ON<br />
OFF<br />
OUTn (4) OFF<br />
OFF<br />
ON<br />
(1) On/off latched data are '1'.<br />
(2) On/off latched data are changed from '1' to '0' at the second LAT signal.<br />
(3) On/off latched data are changed from '0' to '1' at the second LAT signal.<br />
(4) On/off latched data are '0'.<br />
OFF<br />
Figure 18. On/Off Control Operation<br />
Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 15<br />
Product Folder Link(s): TLC5928
Change language