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J23
Vbb
C7
C4
50V
50V
D3
Vin = 6V-18V
0.1uF
2.2uF
39V
Iin=12A ma x
GND
GND
J25
GND
GND
5V
Exte rn_5V or 3.3V
LDO_5V
TP 8
Exte rna l/Loca l 5V S e le ct
J6
D2
Vbb
1
3
C9
C10
C1
50V
50V
16V
22uF
22uF
0.1uF
GND
GND
GND
J4
Loca l 5V Ge ne ra tion
GND
C3
25V
0.022uF
R6
4.7k
D1
3
1
GND
J24
J26
Vout1
Vout = 6V-18V
J27
Vout2
Iout=12A ma x
J28
S ingle _Cha nne l
GND
SLVUBD4B – JANUARY 2018 – REVISED OCTOBER 2020
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J8
TP 2
5V
GND
LATCH
C11
D4
50V
47uF
30V
R11
10k
GND
GND
LATCH
R7
S NS _IC
10k
R1
1.00k
GND
GND
Vbb
J5
ILIM1
GND_P IN
S NS _IC
R8
LATCH
TP 17
0
EN1
R3
U1
TLV70450DBVR
5V
LDO_5V
Vout1_S e ns e
2
3
10k
IN
OUT
4
5
NC
NC
C2
Vout1
GND
16V
1uF
C5
25V
0.022uF
GND
GND
GND_P IN
Mothe rca rd
D5
30V
D6
GND
30V
Figure 2-1. HSS-MOTHERBOARDEVM Motherboard Schematic
Copyright © 2020 Texas Instruments Incorporated
J9
TP 3
J10
5V
GND
EN1
5V
GND
R12
R13
10k
10k
TP 1
EN1
DIA_EN
S NS
C8
10V
Te s t P oints & J umpe rs
100pF
J1
J2
Vbb
1
12
2
11
3
10
DIA_EN
ILIM2
4
9
5
8
S EL2
S EL1
R9
6
7
TP 18
0
EN2
7
6
R4
8
5
Vout2_S e ns e
9
4
10k
10
3
11
2
Vout2
12
1
TP 11
C6
25V
0.022uF
TP 10
TP 12
GND
Vout1
Vout2
J16
TP 13
TP 14
TP 15
TP 16
GND
U2
Vbb
25
VBB
DIA_EN
24
DIA_EN
S EL1
22
S EL1
S EL2
23
S EL2
EN1
4
EN1
EN2
21
EN2
LATCH
3
LATCH
ILIM1
5
ILIM1
ILIM2
20
ILIM2
S NS _IC
2
S NS
TP S 2HB08BQP WP RQ1
HSS-MOTHERBOARDEVM Schematic
TP 4
J11
TP 5
J12
DIA_EN
5V
GND
S EL1
5V
R15
R14
10k
10k
S EL2
S EL1
Vout1
S ingle _Cha nne l
Vout2
S ingle _Cha nne l
J17
J20
Vout1
S ingle _Cha nne l
Vout2
S ingle _Cha nne l
5V
J18
J21
Vout1
S ingle _Cha nne l
Vout2
S ingle _Cha nne l
J19
J22
S ingle /Dua l Cha nne l S e le ct
Vout1_S e ns e
6
VOUT1
Vout1
7
VOUT1
8
ILIM1
VOUT1
9
VOUT1
R16
10
VOUT1
10k
11
VOUT1
Vbb
12
VOUT1
ILIM2
13
VOUT2
R17
Vout2
14
VOUT2
10k
15
VOUT2
Vbb
16
VOUT2
17
VOUT2
18
VOUT2
Vout2_S e ns e
19
VOUT2
GND_P IN
1
GND
High Side Switch Motherboard Evaluation Module
TP 6
J13
TP 7
GND
S EL2
5V
GND
EN2
R2
10k
EN2
5
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