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TLC5945 Datasheet, PDF (6/29 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
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TLC5945
SLVS755 – MARCH 2007
GND
BLANK
XLAT
SCLK
SIN
MODE
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
PWP PACKAGE
(TOP VIEW)
1
28
2
27
3
26
4
25
5
24
6
23
7
Thermal 22
PAD
8
21
9
20
10
19
11
18
12
17
13
16
14
15
DEVICE INFORMATION
VCC
IREF
TEST
GSCLK
SOUT
XERR
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
OUT9
OUT8
TEST 25
IREF 26
VCC 27
NC 28
NC 29
GND 30
BLANK 31
XLAT 32
RHB PACKAGE
(TOP VIEW)
THERMAL
PAD
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16 OUT10
15 OUT9
14 OUT8
13 NC
12 NC
11 OUT7
10 OUT6
9 OUT5
NC − No internal connection
NAME
BLANK
GND
GSCLK
IREF
NC
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
SCLK
SIN
TERMINAL
PWP
RHB
2
31
1
30
25
24
27
26
-
12, 13, 28, 29
7
4
8
5
9
6
10
7
11
8
12
9
13
10
14
11
15
14
16
15
17
16
18
17
19
18
20
19
21
20
22
21
4
1
5
2
TERMINAL FUNCTION
I/O
DESCRIPTION
I
Blank all outputs. When BLANK = H, all OUTn outputs are forced OFF. GS counter is also
reset. When BLANK = L, OUTn are controlled by grayscale PWM control.
G Ground
I Reference clock for grayscale PWM control
I/O Reference current terminal
No connection
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
O Constant-current output
I Serial data shift clock
I Serial data input
6
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