TLC59283_15 Datasheet, PDF (11/29 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with Pre-Charge FET

TLC59283
www.ti.com
SBVS199B – JUNE 2012 – REVISED OCTOBER 2012
SIN
SCLK
DATA
0A
t_SU0
DATA
15B
DATA DATA
14B 13B
t_H0
DATA
12B
DATA
11B
t_WH0
1 234 5
LAT
Shift Register
LSB Data (Internal)
Shift Register
LSB+1 Data (Internal)
DATA
0A
DATA
1A
DATA DATA DATA DATA
15B 14B 13B 12B
DATA DATA DATA DATA
0A 15B 14B 13B
DATA DATA DATA
3B
2B
1B
DATA
0B
t_H1
13 14 15 16
DATA DATA DATA
3B
2B
1B
DATA DATA DATA
4B
3B
2B
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
t_SU1
t_WH1
1 234 56
t_WL0
DATA
0B
DATA
1B
DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C
DATA DATA DATA DATA DATA
0B 15C 14C 13C 12C
Shift Register
MSB-1 Data (Internal)
Shift Register
MSB Data (Internal)
Output On or Off Control
Data Latch (Internal)⁽¹⁾
SOUT
BLANK
OFF
OUT0
ON
OFF
OUT1, 15
ON
DATA
14A
DATA
15A
DATA DATA DATA DATA
13A 12A 11A 10A
DATA DATA DATA DATA
14A 13A 12A 11A
DATA DATA DATA
2A
1A
15B
DATA DATA DATA
3A
2A
1A
Previous On or Off Control Data
DATA
15A
DATA DATA DATA
14A 13A 12A
t_D0
t_R0/t_F0
DATA DATA DATA
2A
1A
0A
t_D1
ON
t_D2
ON
DATA
14B
DATA
15B
DATA DATA DATA DATA DATA
13B 12B 11B 10B 9B
DATA DATA DATA DATA DATA
14B 13B 12B 11B 10B
Latest On or Off Control Data
DATA
15B
DATA DATA DATA DATA DATA
14B 13B 12B 11B 10B
t_WH2
t_WL2
t_D1
t_D2
OFF
t_OUTON
OFF
t_F1
OFF
OUT7, 9
ON
ON
t_D2
t_D2
OFF
OUT8
ON
ON
ON
ON
Pre-Charge FET
OFF
OFF
(1) Output on or off data = FFFFh.
(2) t_{ON_ERR} = t_OUTON – t_WL2.
Figure 11. Data Write and Output On or Off Timing Diagram
t_{R1 OFF}
OFF
ON
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