TLC5929 Datasheet, PDF (20/36 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with 7-Bit Global Brightness Control, Power-Save Mode

TLC5929
SBVS159 – APRIL 2011
www.ti.com
SIN
DATA DATA DATA DATA DATA DATA
0A 16B 15B 14B 13B 12B
Low
SCLK
LAT
1
23
4
5
Shift Register
LSB Data
DATA
0A
(Internal)
SID DATA DATA DATA DATA
0A 16B 15B 14B 13B
‘0’
Shift Register
LSB + 1 Data ^DATA
1A
SID
1A
SID DATA DATA DATA
0A 16B 15B 14B
(Internal)
‘0’
Shift Register
MSB - 1 Data
DATA
15A
SID
15A
SID DATA DATA DATA
14A 13A 12A 11A
(Internal)
Shift Register
MSB Data
(Internal)
Output On/Off
Data Latch
(Internal)
DATA
16A
‘0’
SID SID SID SID
15A 14A 13A 12A
DATA15A to DATA0A
Control
Data Latch
(Internal)
SOUT
DATA
16A
Low
SID SID SID SID
15A 14A 13A 12A
BLANK
DATA DATA DATA DATA
3B 2B 1B 0B
14 15 16 17
DATA DATA DATA DATA DATA DATA
16C 15C 14C 13C 12C 11C
High
1
23
4
5
6
DATA DATA DATA DATA
SID
3B 2B 1B 0B
0B
DATA DATA DATA DATA
SID
4B 3B 2B 1B
1B
DATA DATA DATA DATA DATA
16C 15C 14C 13C 12C
‘1’
SID DATA DATA DATA DATA
0B 16C 15C 14C 13C
‘1’
SID SID DATA DATA
SID
1A 0A 16B 15B
15B
‘0’
SID SID SID
2A 1A 0A
DATA
16B
‘0’
SID SID SID SID SID
14B 13B 12B 11B 10B
SID SID SID SID SID
15B 14B 13B 12B 11B
DATA15B to DATA0B
SID SID SID
2A 1A 0A
Control data do not change from previous data
DATA
16B
Low
SID SID SID SID SID
15B 14B 13B 12B 11B
OFF
OUTn⁽¹⁾ _ON
OFF
OFF
ON
ON
OFF
OUTn⁽²⁾ _ON
OFF
ON
OFF
OUTn⁽³⁾ _ON
OFF
ON
OFF
OFF
ON
OFF
OUTn⁽⁴⁾ _ON
OFF
These dotted arrows point to the
output pulse timing for IDM.
(1) On/off latch data is '1'.
(2) On/off latch data change from '1' to '0' at second LAT signal.
(3) On/off latch data is change from '0' to '1' at second LAT signal.
(4) On/off latch data is '0'.
Figure 23. On/Off Data Write Timing
20
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