Texas Instruments ADS1235EVM, User Manual

Page: 29 / 34

TPS7A4901DGNR
OUT
1
FB
2
NC
3
4
EN
5
NR/SS
6
DNC
7
IN
8
9
EP GND
U24
DNP
TPS7A3001DGNR
EP GND
OUT
1
FB
2
NC
3
4
EN
5
NR/SS
6
DNC
7
IN
8
9
U26
DNP
12V
D6
Diode_TVS_Uni
DNP
EXT_5V
10uF
C82 DNP
10uF
C84
DNP
0.1uF
C83
DNP
Green
1
2
D7
EXT 5V OK?
DNP
1.00k
R96
DNP
TPS3809I50QDBVRQ1
GND
1
RESET
2
VDD
3
U21
DNP
0.01uF
C85
DNP
3.01k
R99
DNP
9.31k
R98
DNP
10.0k
R97
DNP
1
3
2
J10
DNP
10uF
C100
DNP
0.01uF
C103 DNP
-HVSS
0.01uF
C97
DNP
93.1k
R107
DNP
10.0k
R109
DNP
10uF
C90
DNP
0.01uF
C93 DNP
0.01uF
C88
DNP
453k
R101
DNP
49.9k
R104
DNP
F1
Fuse
DNP
100k
R106
DNP
10uF
C86
DNP
1uF
C87
DNP
0.1uF
C94
DNP
EXT_5V
10uF
C89
DNP
1100pF
C95
DNP
51.1k
R103
DNP
158k
R100
DNP
15.0k
R102
DNP
D8
DNP
3.3uH
L2
DNP
DCV_WALL
HVBoost
GND
GND
GND GND
GND
GND
GND
GND
GND GND
GND GND
GND
GND
GND GND
GND
GND GND
GND
10uF
C101 DNP
10uF
C91 DNP
0.1uF
C102 DNP
0.1uF
C92 DNP
12V/50mA
-12V/50mA
Replacement Fuse
Littlefuse P/N 0453002. (Fast Acting)
Littlefuse P/N 0454002. (Slow acting) *Installed
1
2 J9
DNP
GND
EXT 5V PWDN
HVInvert
TL1963ADCQR
GND
SHDN
1
IN
2
3
OUT
4
ADJ
5
6
U20
DNP
TPS63700DRCR
COMP
1
GND
2
VIN
3
EN
4
IN
5
SW
6
PS_GND
7
OUT
8
FB
9
VREF
10
PP
11
U25
DNP
TPS61085TPWR
COMP
1
FB
2
EN
3
PGND
4
SW
5
IN
6
FREQ
7
SS
8
U23
DNP
+HVDD
JP5
DNP
10.0
R110
DNP
0.1uF
C105
DNP
EXT_5V
4700pF
C98
DNP
GND
D9
DNP
1.30M
R105
DNP
121k
R108
DNP
10pF
C99
DNP
GND
10uH
L3
DNP
0.22uF
C104
DNP
10uF
C96
DNP
GND
DNP
DNP
DNP
DNP
NC
1
A
2
GND
3
Y
4
VCC
5
SN74LVC1G06DCKT
U22
DNP
GND
Wall supply and terminal block
Input voltage = 5 - 12V
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EVM Bill of Materials, PCB Layouts, and Schematics
29
SBAU293 – March 2018
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ADS1261 and ADS1235 Evaluation Module
ADVANCE INFORMATION
Figure 20. ADS1261EVM External Power Schematic