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EN 56
7.
Q552.1L LA
BLANK
PWM-CLOCK-BUF
PROG
SPI-CLOCK-BUF
SPI-DATA-IN-BUF
SPI-DATA-IN
SPI-DATA-OUT
LATCH
The Overvoltage Protection Circuit is built around item no.
7B50, 7B51, 7C20 and 7C22 (diagram AL1B). Refer to figure
7-19 Overvoltage Protection
+24V
7B23-1
BC847BS(COL)
6
2
1
FB30
PWM-B1
+24V
7B23-2
BC847BS(COL)
3
5
4
FB31
PWM-R1
+24V
7B25
BC847BW
3
1
FB32
PWM-G1
7.9
TCON
This section describes the application with the TCON
integrated on the SSB.
For the basic application, refer to figure
architecture.
2010-Dec-29
Circuit Descriptions
3B00-1
1
8
150R
3B00-4
4
5
150R
3
6
3B00-3
150R
3B21
+3V3
FB20
3B00-2
2
7
150R
Figure 7-18 LED driver
Circuit.
7000
7001
99-235/RSBB7C-A24/2D
99-235/RSBB7C-A24/2D
5
BLUE
6
5
BLUE
1
GREEN
2
1
GREEN
3
RED
4
3
RED
Figure 7-19 Overvoltage Protection Circuit
7-20 TCON
7B26-1
TLC5946RHB
31
BLANK
24
GSCLK
3B18
26
IREF
FB35
3
1K8
MODE
1
SCLK
2
SIN
23
SOUT
150R
22
XERR
3B22
25
XHALF
10K
32
XLAT
12
13
28
NC
29
GND
7002
7003
99-235/RSBB7C-A24/2D
99-235/RSBB7C-A24/2D
6
5
BLUE
6
5
BLUE
6
5
2
1
GREEN
2
1
GREEN
2
1
4
3
RED
4
3
RED
4
3
back to
div. table
+3V3
2B11
100n
VCC
4
0
5
1
6
2
7
3
8
4
9
5
10
6
11
7
OUT
14
8
15
9
16
10
17
11
18
12
19
13
20
14
21
DATA-SWITCH
15
GND_HS
7B26-2
TLC5946RHB
34
VIA
42
35
41
VIA
VIA
36
40
VIA
7004
7005
99-235/RSBB7C-A24/2D
99-235/RSBB7C-A24/2D
BLUE
6
5
BLUE
6
GREEN
2
1
GREEN
2
RED
4
3
RED
4
3B03-1
1
3B03-2
2
3B03-3
3
3B03-4
4
PWM-R1
PWM-G1
PWM-B1
PWM-G3
PWM-R3
PWM-R2
PWM-G2
PWM-B2
PWM-B3
PWM-G4
PWM-R4
PWM-B4
PWM-B5
PWM-G5
PWM-R5
3B31
+3V3
2K0
18770_217_100126.eps
100126
3B35
+24V
270R
3B36
270R
3B37
68R
8
1K5
7
1K5
6
1K5
5
1K5
18770_218_100126.eps
100126
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