Texas Instruments TPS23861EVM-612, User Manual, Page: 23 / 39

Kelvin to U1-18
Kelvin to U1-11
Kelvin to U2-11
Kelvin to U2-18
GND GND
GND GND
2 Pair Ports 1-4
J3 is PSE Communication Connector
0.68V
D2
10MQ100NTRPBF
DNP
0.68V
D4
10MQ100NTRPBF
DNP
0.68V
D10
10MQ100NTRPBF
DNP
0.68V
D12
10MQ100NTRPBF
DNP
0.68V
D6
10MQ100NTRPBF
DNP
0.68V
D8
10MQ100NTRPBF
DNP
0.68V
D14
10MQ100NTRPBF
DNP
0.68V
D16
10MQ100NTRPBF
DNP
GND
GND GND GND
GND GND GND GND
TP6
TP5
TP10
TP9
TP12
TP4
22.1 R1
47 R3
47 R4
47 R12
47 R11
47 R5
22.1 R9
22.1 R2
22.1 R15
22.1 R7
47 R13
22.1 R10
47 R14
22.1 R16
47 R6
22.1 R8
0.1µF
C10
0.1µF
C12
0.1µF
C11
0.1µF
C9
0.1µF
C8
0.1µF
C7
0.1µF
C5
0.1µF
C6
58V
D1
SMBJ58A-13-F
0.51
R17
GND
PSE_A3
\PSE_SHDN
\PSE_INT
PSE_SDAO
PSE_SDAI
PSE_SCL
\PSE_RST
3.3V
5
4
1
2
3
6
7
8
9
10
J3
TP8
GND
GND GND
VPWR
PSE_N1
PSE_N2
PSE_N3
PSE_N4
5
4
1
2
3
6
7
8
9
10
J1
5
4
1
2
3
6
7
8
9
10
J2
GND
VPWR
PSE_N5
PSE_N6
PSE_N7
PSE_N8
TP1
GND
3.3V 3.3V
1µF
C13
VPWR VPWR
VPWR VPWR
VPWR
AOUT1
\PSE_SHDN
PSE_A3
CH6_GATE
PSE_D6
CH6_SEN
CH5_GATE
PSE_D5
CH5_SEN
\PSE_RST
PSE_SCL
PSE_SDAI
PSE_SDAO
\PSE_INT
CH7_SEN
PSE_D7
CH7_GATE
CH8_SEN
PSE_D8
CH8_GATE
\PSE_RST
PSE_SCL
PSE_SDAO
\PSE_INT
CH3_SEN
PSE_D3
CH3_GATE
PSE_D4
CH4_GATE
PSE_SDAI
CH4_SEN
AOUT1
\PSE_SHDN
PSE_A3
CH2_GATE
PSE_D2
CH2_SEN
CH1_GATE
PSE_D1
CH1_SEN
PSE_D1
CH1_GATE
CH1_SEN
PSE_D2
CH2_GATE
CH2_SEN
PSE_D5
CH5_GATE
CH5_SEN
PSE_D6
CH6_GATE
CH6_SEN
PSE_D3
CH3_GATE
CH3_SEN
PSE_D4
CH4_GATE
CH4_SEN
PSE_D7
CH7_GATE
CH7_SEN
PSE_D8
CH8_GATE
CH8_SEN
PSE_N8 PSE_N7 PSE_N4 PSE_N3
PSE_N1 PSE_N2 PSE_N5 PSE_N6
0.51
R18
0.51
R19
0.51
R20
0.51
R25
0.51
R26
0.51
R27
0.51
R28
0.51
R21
0.51
R22
0.51
R23
0.51
R24
0.51
R29
0.51
R30
0.51
R31
0.51
R32
GND
GND
GND
GND
58V
D3
SMBJ58A-13-F
58V
D9
SMBJ58A-13-F
58V
D11
SMBJ58A-13-F
58V
D15
SMBJ58A-13-F
58V
D13
SMBJ58A-13-F
58V
D7
SMBJ58A-13-F
VPWR
58V
D5
SMBJ58A-13-F
VDD
1
RESET
2
SCL
3
SDAI
4
SDAO
5
INT
6
DGND
7
SEN3
8
DRAIN3
9
GATE3
10
KSENSB
11
SEN4
12
DRAIN4
13
GATE4
14
SEN1
15
DRAIN1
16
GATE1
17
KSENSA
18
SEN2
19
DRAIN2
20
GATE2
21
AGND
22
A3
23
SHTDWN
24
AIN
25
AOUT
26
NC
27
VPWR
28
U1
TPS23861PW
VDD
1
RESET
2
SCL
3
SDAI
4
SDAO
5
INT
6
DGND
7
SEN3
8
DRAIN3
9
GATE3
10
KSENSB
11
SEN4
12
DRAIN4
13
GATE4
14
SEN1
15
DRAIN1
16
GATE1
17
KSENSA
18
SEN2
19
DRAIN2
20
GATE2
21
AGND
22
A3
23
SHTDWN
24
AIN
25
AOUT
26
NC
27
VPWR
28
U2
TPS23861PW
0 R33 0 R34
0 R41
0 R39
0 R35 0 R36
0 R40
DNP
0 R38
0 R37
AOUT2
AIN1_NC
F1
C1S 1.5
F2
C1S 1.5
F5
C1S 1.5
F6
C1S 1.5
F8
C1S 1.5
F7
C1S 1.5
F4
C1S 1.5
F3
C1S 1.5
4
7
,8
1
,2
,3
5
,6
,
100V
Q1
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q2
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q4
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q3
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q7
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q8
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q6
FDMC3612
4
7
,8
1
,2
,3
5
,6
,
100V
Q5
FDMC3612
4 Pair Ports 1-2
0.1µF
C1
0.1µF
C3
0.1µF
C2
0.1µF
C4
I2C Address = 0x20 I2C Address = 0x28
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EVM Schematic, Layout Guidelines and PCB Assembly, Layer Plots
Figure 23. TPS23861EVM-613 (Daughterboard) Schematic
23 SLUUAY8C – March 2014 – Revised November 2015 TPS23861EVM-612: Auto-Mode Evaluation Module for TPS23861
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