INTEGRATED CIRCUITS DIVISION
LITELINK III Evaluation Board Users Guide
Figure 4. CPC5712U Line Detectors Schematic
VCC
POLARITY
LOOP
LIU*
C18
100nF
OUT-
POLARITY
LOOP
LIU*
OUT+
VCC
U2
CPC5712U
1 VCC
5 OUT+
6 OUT-
4 POL
3 DET_1
2 DET_2
IN+ 7
R32
26.7K
R33
17.8K
9 VREF
10 VDET1_LOW
11 VDET1_HIGH
12 VDET2_LOW
13 VDET2_HIGH
14
15
16
NOT_USED_A
NOT_USED_B
GND
IN- 8
R31
806K
Low Voltage Side
R34
80.6K
R35
26.7K
R36
118K
R28
10M
1/4W
1206
C
R27
10M
1/4W
1206
R30
10M
1/4W
1206
C
R29
10M
1/4W
1206
Distributed Barrier
TIP
High Voltage Side
RING
5.1 Printed Circuit Board Component Placement
The diagrams below are provided as a quick reference to locate the components.
Figure 5. Top Side Components
J1
1
Q2
Z613
+-
D1
+
-
C14
IXYS IC Division
OUT- OUT+ GND
J2
CPC5622-EVAL- 600R
Rev A S/N xxx
FXO
R27
R28 R31
C18
12
RR3356
R34
POL
GND
LIU
F1
1005
1005
RING
R22
R23
C16 R26 U2
RR3332 8
RING2
1824
1824
OH
R21
R19
R18
R15 6R98
R14
R12
R11
C11
R10
Q1
R7
C10
R8
R6
R5
C7A
4
C6A
R4 C5A
LOOP
RX+
RX-
TX+
R2
TX-
C4A
V+
U1
C2 C1 R1 1
Figure 6. Bottom Side Components
POL
GND
LIU
RING
RING2
OH
LOOP
RX+
RX-
TX+
TX-
V+
12
8
C7B
C6B
4
R3
1
C5B
C4B
C3
IXYS IC Division
CPC5622 FXO
Copyright 2012
R30
R29
1005
1005
C15
R25
R24
1824
1824
C17
R20
R17
C12
R13
R9
R16
6494
6494
C13
1004
C9
C8
The principal circuit components are listed below:
1. (U1) CPC5622A LITELINK
2. (Q1) CPC5603C FET
3. (U2) CPC5712U
4. (D1) Bridge Rectifier
5. (Q2) Circuit Protector
6. FET Heatsink - Top side: Bottom left corner;
Bottom side: Bottom right corner.
UG-CPC5622-EVAL-600R - Rev A
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