Figure 3-33. PLC Coupling Schematic
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PL485 - Evaluation Kit
03/03/2020 18:10:12
PLC Coupling.SchDoc
Project Title
Sch #:
Date:
File:
Revision:
Sheet
Designed with
Drawn By:
JLCF
Sheet Title
PLC Coupling
Engineer:
JLCF
03-PL485
1
Size A3
PL485-EK
PartNumber:
Variant Name
CEN-B
Altium.com
1k
R35
1
2
3
PMBD7000
D16
AGND
4.02k
1%
R36
10000pF
C70
PL_AGC
16R
R37
100pF
C71
AGND
PLC_RX
TP17
TP12
TP13
TP16
YELLOW
D15
1k
R33
1
2
3
BC807
Q2
GND
3V3
GND
33k
R31
TP14
300R
R32
470uH
L9
0R
R34
3
1
2
DMN2056U
Q3
3
1
2
DMN2056U
Q1
510R
0603
R27
0R
R28
1
2
3
BAT54SLT1
D13
10k
R26
10k
R21
GND
3V3
22uH
L6
2.2uH
L8
15uH
L7
1uF
25V
0805
C68
0.15uF
50V
1206
C67
3.3R
0805
1%
R24
0R
R23
1
2
3
4
5
6
MODULAR RJ25
J4
PL_TXRX0
PL_TXRX1
PL_AGC
PL_VIN
PL_VZC
PL_EMIT[0..3]
PLC Coupling
PL_TXRX0
PL_TXRX1
PL_AGC
PL_VIN
PL_VZC
PLC_Coupling
PL_TXRX0
PL_VIN
PL_VZC
PLC Coupling
510k
1%
R25
510k
1%
R29
PLC+
PLC-
GND
TP15
0R
R22
0R
R30
AC Coupling Connector
PL+
PL-
PL+
PL-
GND
SMAJ5.0CA-13-F
D14
10uF
C66
10uF
C69
TP21
4.7k
R100
3V3
PL_EMIT[0..3]
PL_EMIT3
PL_EMIT3
PL_EMIT3
PL_EMIT3
In case of using AC coupler,
remove R22 and R30 for
better performance
PL485-EK
PL485-EK Board
©
2020 Microchip Technology Inc.
User Guide
DS50002954B-page 31
