Texas Instruments TPS7B4255EVM-062, User Manual, Page: 4 / 20

2 TPS7B4255EVM-062 Schematic
Figure 2-1 shows a schematic for the TPS7B4255EVM-062.
GND
1.00k
R17
DNP
TP1
GND
J3 J4
J10 J9
1
2
J6
Vin Max = 45V Vout Max = 45V
Iout Max = 70mA
1nF
100V
C20 DNP
VDD
A1
OUTH
A2
OUTL
B2
IN-
C2
GND
B1
IN+
C1
LMG1020YFFR
U3
1
2 3 4 5
J21
J20
VDD
J25
GND
50V
10uF
C19
50V
10uF
C18
1.00k
R5
DNP
1
2
J15
DNP
50V
0.1uF
C17
154
R12
DNP
154
R13
DNP
154
R11
DNP
154
R10
DNP
1 2
3 4
J17
DNP
GND
ADJ/EN
VIN
ADJ/EN VOUT
154
R9
DNP
100V
1pF
C14
DNP
0
R18
DNP
0
R14
DNP
1
2
3
4
5
J26
DNP
1nF
100V
C21 DNP
0
R19
DNP
J18 J19
1
2
3
4
5
J22
DNP
50V
0.015uF
C16
DNP
49.9
R21
GND
GND
J23
TP3
1
2
J7
IN
3
OUT
4
ADJ/EN
1
GND
2
GND
5
TPS7B4255QDYBRQ1
U1
100V
1uF
C2
DNP
100V
1µF
C5
DNP
50V
1uF
C9 DNP
VO
1
FB/NC
2
GND
4
GND
5
GND
6
GND
3
VI
8
EN
7
PAD
9
TPS7B8401QWDRBRQ1
U2
VIN
TP2
GND
1
2
3
4
5
6
J14
8
V
17.8k
R6
30.0k
R7
48.7k
R8
5
V
3
.3
V
GND
100nF
100V
C10 DNP
10k
R3
DNP
10k
R1 DNP
1
2
J11
1
2
J5
1
2
3
J12
GND
10µF
25V
C11
GND GND
D1
Iin Max = 70mA
4.7µF
50V
C1
DNP
1.00
R2
DNP
4.7µF
50V
C15
DNP
1.00
R20
DNP
1
3
2 4
Q1
4.75V Min
5.4V Max
5V Nom
1
2
3
4
5
J2
1
2
3
4
5
J1
GND
1
2
J16
DNP
VIN
GND
J8
J24
100V
1uF
C3
DNP
100V
1uF
C6
DNP
1µF
50V
C7 DNP
VDD
1
2
J13
DNP
VIN
GND
VOUT VIN
487
R15
442
R16
1µF
50V
C4
1µF
50V
C8
100nF
100V
C12
10nF
50V
C13 200k
R4
GND
Optional Load
Transient Circuit
Figure 2-1. Schematic
TPS7B4255EVM-062 Schematic www.ti.com
4 TPS7B4255EVM-062 Evaluation Module SLVUCA5 – JUNE 2022
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