PSE_N3
PSE_N1
1
2
J27
P1
1
2
J28
P2
1
2
J15
P4
1
2
J16
P3
5
4
1
2
3
6
7
8
9
10
J18
22V
D9
1SMB5933BT3G
22V
D6
1SMB5933BT3G
22V
D5
1SMB5933BT3G
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J19
2 Pair Port 1
PSE_N2
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J20
2 Pair Port 2
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J8
2 Pair Port 3
PSE_N4
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J7
2 Pair Port 4
GND
47µF
C16
Port4_Date1_N
Port4_Date2_P
Port4_Date2_N
Port4_Date3_P
Port4_Date3_N
Port4_Date4_P
Port4_Date4_N
Port3_Date2_P
Port3_Date2_N
Port3_Date3_P
Port3_Date3_N
Port3_Date4_P
Port3_Date4_N
Port1_Date3_P
Port1_Date3_N
Port1_Date4_P
Port2_Date2_N
Port2_Date3_P
Port2_Date4_P
Port2_Date4_N
GND
VPWR
PSE_N1
PSE_N2
PSE_N3
PSE_N4
VPWR
VPWR
VPWR
VPWR
GND
PSE_N1
PSE_N4
PSE_N3
PSE_N2
2
3
4
1
5
6
7
8
J10
Port4 Data
2
3
4
1
5
6
7
8
J11
Port3 Data
2
3
4
1
5
6
7
8
J23
Port2 Data
2
3
4
1
5
6
7
8
J22
Port1 Data
1
2
J14
P7
1
2
J13
P8
22V
D7
1SMB5933BT3G
22V
D4
1SMB5933BT3G
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J9
4 Pair Port 2
PSE_N7
PSE_N8
Port8&7_Data2_N
VPWR
PSE_N7
PSE_N8
2
3
4
1
5
6
7
8
J12
Port8&7 Data
GND
1
2
J25
P6
1
2
J26
P5
22V
D11
1SMB5933BT3G
22V
D8
1SMB5933BT3G
1:1
1:1
1:1
1:1
22nF
75
22nF
75
22nF
75
22nF
75
1nF
2kV
MDCT3
1
MD3-
2
MD3+
3
MD2+
4
MD2-
5
MDCT2
6
MDCT4
7
MD4+
8
MD4-
9
MD1-
10
MD1+
11
MDCT1
12
13
14
15
16
VDC1+
17
VDC1-
18
VDC2+
19
VDC2-
20
Yellow
Green
Green
Shield GND
1 MX1+
2 MX1-
3 MX2+
6 MX2-
4 MX3+
5 MX3-
7 MX4+
8 MX4-
J21
4 Pair Port 1
PSE_N5
PSE_N6
Port6&5_Data2_N
Port6&5_Data3_P
Port6&5_Data3_N
Port6&5_Data4_P
Port6&5_Data4_N
PSE_N5
PSE_N6
2
3
4
1
5
6
7
8
J24
Port6&5 Data
5
4
1
2
3
6
7
8
9
10
J17
GND
47µF
C15
GND
VPWR
PSE_N5
PSE_N6
PSE_N7
PSE_N8
VPWR
7.50k
R14
7.50k
R17
7.50k
R20
7.50k
R23
7.50k
R16
7.50k
R15
7.50k
R22
7.50k
R21
Port3_Date1_N
Port3_Date1_P
Port4_Date1_P
Port1_Date4_N
Port1_Date2_N
Port1_Date2_P
Port1_Date1_N
Port1_Date1_P
Port2_Date1_P
Port2_Date1_N
Port2_Date2_P
Port2_Date3_N
Port8&7_Data4_N
Port8&7_Data4_P
Port8&7_Data3_P
Port8&7_Data1_P
Port8&7_Data2_P
Port8&7_Data3_N
Port8&7_Data1_N
Port6&5_Data1_P
Port6&5_Data1_N
Port6&5_Data2_P
22V
D10
1SMB5933BT3G
TPS23861EVM-613 Port 1-4
TPS23861EVM-613 Port 5-8
2 Pair Port 4 (IEEE802.3at Type 2)
2 Pair Port 3 (IEEE802.3at Type 2)
2 Pair Port 1 (IEEE802.3at Type 2)
2 Pair Port 2 (IEEE802.3at Type 2)
4 Pair Port 1 (Dual IEEE802.3at Type 2)
4 Pair Port 2 (Dual IEEE802.3at Type 2)
TP15
GND
TP16
GND
GND
GND
EARTH
EARTH
Blue
1
2
D13
Blue
1
2
D17
Blue
1
2
D16
Blue
1
2
D18
Blue
1
2
D14
TP11
GND
Blue
1
2
D12
J29
7693
2200pF
2000V
C18
2200pF
2000V
C17
Copyright © 2017, Texas Instruments Incorporated
EVM Schematic, Layout Guidelines and PCB Assembly, Layer Plots
14
SLUUBQ7 – August 2017
Copyright © 2017, Texas Instruments Incorporated
TPS2388EVM-612: PoE PSE Evaluation Module for TPS2388
Figure 9. TPS2388EVM-612 (Motherboard) Schematic: Power Ports