TLC5954 Datasheet, PDF (14/45 Pages) Texas Instruments – TLC5954 48-Channel, Constant-Current LED Driver with Global Brightness Control, LED Open-Short Detection, and Power-Save Mode

TLC5954
SBVS241 – APRIL 2014
Timing Diagrams (continued)
SIN ^L
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H
SCLK
LAT
1
23
BLANK
L
47 48 49
H
1
2
48 49
t_SU2
PSMODE Bit in
FC Data
(Internal)
On or Off Control
Data Latch
(Internal)
OUTR0
OUTG0
01b
(Outputs are not all off.)
Old On or Off Data
OFF
ON
OFF
ON
Data are all 0
(outputs are all off).
OFF
OFF
Data are not all 0 (outputs are not all off).
OFF
ON
OFF
ON
OFF
OFF
OFF
OUTB7
ON
ON
Power-Save Mode
(PSM) Status
(Internal)
ICC
(VCC Current)
Normal Mode
Normal Mode
Power-Save Mode Normal Mode
t_D5
The measured point is 90% ICC.
Normal Mode
Figure 25. Power-Save Mode Timing Diagram (PSMODE = 01b)
14
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