Texas Instruments DS160PT801X16EVM, User Manual

Page: 27 / 45

GND
100uF
C321
110K = 1.0996V
90.9K = 1.0508V
1.1V Regulated Output
1.8V Regulated Output PT801's
600nH
L8
PG18
OUT
1
OUT
2
FB
3
GND
4
PG
5
SS_CTRL
6
EN
7
NR/SS
8
IN
9
IN
10
PAD
11
U16
TPS7A9101DSKR
GND
1.87k
R155
1.50k
R160
3.3V
V1P8
V3P3_F
INA210AIDCKR
GND
2
IN+
4
IN-
5
REF
1
V+
3
OUT
6
U18
0.1uF
C338
V3P3_F
V12_F
12V_CS
V12_CS
F1
125V 5A Rated
F2
125V 5A Rated
V12 V12_F V3P3 V3P3_F
GND
GND
V3P3_F
V3P3_F
V1P8
V1P8
V1P1
V1P1
V1P8_CDC
V1P8_CDC
3V and 12V directly from external PC supply
V12_F
V12_F
V12
V12
V3P3
V3P3
Fuses to isolate retimer and pre-power via SATA connector
10uF
C331
10uF
C328
10uF
C322
4.7uF
C305
10.0k
R151
TPS548B22RVFR
NU
1
NU
2
NU
3
EN_UVLO
4
BOOT
5
NC
6
NC
7
SW
8
SW
9
SW
10
SW
11
SW
12
PGND
13
PGND
14
PGND
15
PGND
16
PGND
17
PGND
18
PGND
19
PGND
20
PVIN
21
PVIN
22
PVIN
23
PVIN
24
PVIN
25
NC
26
NC
27
VDD
28
DRGND
29
AGND
30
BP
31
FSEL
32
VSEL
33
MODE
34
PGOOD
35
ILIM
36
RESV_TRK
37
RSN
38
RSP
39
VOSNS
40
PAD
41
U15
22uF
C309
22uF
C303
22uF
C310
22uF
C304
22uF
C311
V12_CS
GND
GND
100uF
C315
GND
100k
R134
110k
R149
100k
R135
22.1k
R142
100k
R136
42.2k
R143
100k
R133
PG11
25V
4.7uF
C319
30.1k
R145
VSEL
133K = 1.1504V
MODE
DCAP3, SS = 1mS
FSEL
650 KHz, FCCM
75.0K = 1.0000V
22.1k
R140
Enable with 3V supply
V12_CS
110k
R153
42.2k
R157
Enable with 12V supply
1
2
3
4
5
6
7
8
9
10
J58
165K = 1.1992V
75.0k
R148
90.9k
R150
133k
R147
165k
R146
V3P3_F
V1P1_S
Remote Sense connect at
DS160PT801 RT0, P2_A
Supply should be differential
with GND trace
1.00
R129
0.1uF
C306
0.1uF
C307
0.1uF
C324
1uF
C308
1uF
C312
1uF
C323
10nF
C333
10nF
C335
47uF
C316
3.3uF
C317
0.47uF
C318
VIN = V12 from CEM or V12_F from PC power supply, Supply Current <= 1A
4.7uF
C325
GND
0.01
R159
22uF
C326
0.1uF
C337
100uF
C327
100uF
C302
220uF
C320
220uF
C314
P2_A_0
0 R131
DNI
0
R132
0 R141
DNI
1.0
R137
1
2
3
J59
PWR_EN
PWR_EN
Enable with 3V supply
Enabling with 3.3V supply will result in a 1.1V -> 1.8V power sequence
Enabling with 12V supply will result in a 1.8V -> 1.1V power sequence (very close to same time)
0.47uF
C332
47k
R154
220k
R158
V3P3_F
1000pF
C313
0
R139
DNI
0 R130
OUT
1
OUT
2
FB
3
GND
4
PG
5
SS_CTRL
6
EN
7
NR/SS
8
IN
9
IN
10
PAD
11
U17
TPS7A9101DSKR
GND
1.50k
R161
3.3V
1.8V Regulated Output CDC
V1P8_CDC
PG_CDC
10.0k
R152
V3P3_F
10uF
C329
10uF
C330
V3P3_F
10nF
C334
10nF
C336
P2_A_0
P2_A_0
V1P1
J60
DNI
0 R138
DNI
0 R144
PG_CDC
PG_CDC
PG18
PG18
1
2 3
U19A
4
5 6
U19B
10
8 9
U19C
11 12
13
U19D
VCC
14
GND
7
SN74LVC125APWRG3
U19E
V3P3_F
330
R162
330
R163
330
R164
PG11
GND
PG18
PG_CDC
1.8V
D3
1.8V
D4
1.8V
D5
GND
330
R165
1.8V
D6
V3P3_F
10.0k
R166
1uF
C339
MNT_1
MNT_2
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
S1
S2
S3
S4
S5
S6
S7
J57
10101788-002CLF
V3P3_F
V12_F
P2_A_0_SENSE
GND
GND_SENSE
1.87k
R156
0
R167
0
R168
Figure 5-4. Schematic – Supply Voltage Regulators
www.ti.com DS160PT801X16EVM Schematic
SNLU254A – NOVEMBER 2020 – REVISED JULY 2022
Submit Document Feedback
DS160PT801X16EVM Riser Card Evaluation Module 27
Copyright © 2022 Texas Instruments Incorporated