TLC5949 Datasheet, PDF (11/51 Pages) Texas Instruments – 16-Channel, 12-Bit, ES-PWM, Full Self-Diagnosis LED Driver for 7-Bit Global BC LED Lamp

TLC5949
www.ti.com
SIN
SCLK
LAT
BLANK Bit
In Control Data Latch
(Internal)
PSMODE Bit
In Control Data Latch
(Internal)
First Grayscale
Data Latch
(Internal)
Second Grayscale
Data Latch
(Internal)
OUT0, OUT7,
OUT8, OUT15
OUT1, OUT6,
OUT9, OUT14
OUT2, OUT5,
OUT10, OUT13
OUT3, OUT4,
OUT11, OUT12
Low
123
191 192 193
SBVS219A – DECEMBER 2012 – REVISED DECEMBER 2012
123456¼
'1'
001b
Previous On/Off Data
Previous On/Off Data
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
All Data Are ‘0'
First and second GS data latches are changed
simultaneously because the BLANK bit is '1'.
All Data Are '0'
OFF
ON
OFF
ON
OFF
ON
OFF
ON
Power-Save Mode
Normal Mode
ICC
(VCC Current)
More Than 100 mA
Normal Mode
Power-Save Mode
t_D6
Less Than 100 mA
Figure 10. Power-Save Mode Timing
Normal Mode
t_D7
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