AN2744
Board description
17/56
Table 3.
Bill of materials
Item Q.ty
Reference
Value
Description
1
16
ATOP1, ATOP2, P5 V, 10 V,
VADJ, TX, RXTX, RXFO, RX,
RAI, GND, CLRT, CL, CD/PD,
BU, ATO
Test point
2
1
CN1
CON50A
50-pin female connector
3
1
CN2
Header 2
Mains supply connector
4
1
C1
470 pF 630 V
EVOX-RIFA PFR5-471J630L4
5
1
C2
47 nF X2
Epcos B32921-A2473K
6
1
C3
470 µF 16 V
electrolytic
Rubycon YK / Yageo SE-K / Nichicon VK
7
1
C4
100 µF 16 V
TDK CKG57DX7R-1C107M
8
2
C5,C10
10 µF 400 V
electrolytic
Yageo SE-K / Nichicon VK
9
1
C6
2.2 nF Y2
TDK CD12E2GA222MYNS
10
1
C8
47 nF
11
3
C9,C17,C21
10 µF
TDK C3216X7R-1C106M
12
2
C11,C12
270 pF
13
5
C13,C15,C18,C19,C24
100 nF
14
2
C14,C26
10 nF
15
1
C16
4.7 nF
16
1
C20
10 nF
17
1
C22
18 pF
18
1
C23
47 pF
19
1
C25
100 pF
20
1
C27
56 nF 50 V
21
1
C28
100 nF X2 10%
Epcos B32922-A2104K
22
1
C29
150 nF
23
1
C30
220 pF
24
1
D1
DF06S
600 V - 1.5 A bridge rectifier
25
1
D2
Green LED
26
1
D3
STPS1H100
27
1
D4
STTH1L06A
28
1
D5
BAS16 2L
BAS21 also suitable
29
1
D6
SM6T6V8CA
6.8 V bidirectional Transil™ diode
30
1
D7
ESDA6V1L
6.1 V ESD Transil™ diode
31
1
D9
BZX84C8V2
8.2 V Zener diode
32
1
F1
FUSE
2 A time-lag (T)
Summary of Contents for ST7538Q
Page 3: ...AN2744 Contents 3 56 Appendix A Board layout 53 10 Revision history 55...
Page 15: ...AN2744 Board description 15 56 Figure 7 Modem and coupling interface schematic...
Page 16: ...Board description AN2744 16 56 Figure 8 Power supply schematic HIGH VOLTAGE SECTION...
Page 53: ...AN2744 Board layout 53 56 Appendix A Board layout Figure 50 PCB layout top view...
Page 54: ...Board layout AN2744 54 56 Figure 51 PCB layout bottom view...