4 Schematic, Bill of Materials, and Board Layout
This section provides the TPS552882EVM-400kHz schematic, bill of materials (BOM), and board layout.
4.1 Schematic
shows the EVM schematic.
GND
1.00
R5
1.00
R6
GND
J1
GND
AGND
Low
High
EN
AGND
AGND
AGND
J3
J4
GND
0.1uF
C13
IOSN+
IOSN-
IOSN+
IOSN-
VOUT
AGND
FB
AGND
FB
J2
VCC
0.1uF
C18
AGND
1
2
3
JP1
EN1
SW1
SW2
VCC
COMP
ILIM
CDC
SN+
SN-
EN
Vin
GND
1
R17
GND
11.3k
R2
102k
R1
AGND
GND
1
2
JP2
AGND
SYNC
SYNC
49.9k
R7
0.1uF
C12
AGND
1
2
J7
VCC_EXT
GND
147k
R13
4.7uH
L1
150k
R11
20.0k
R9
10µF
C2
10µF
C3
68uF
C1
10m
R4
4
7,8
1,2,3
5,6,
Q1
IPZ40N04S5L4R8ATMA1
NT1
NT2
NT3
AGND
4
7
,8
1
,2
,3
5
,6,
Q2
IP
Z
4
0
N
0
4
S
5
L
4
R
8
A
T
M
A
1
TP7
220uF
C10
0.01uF
C23
1
R18
GND
4.7µF
C14
1µF
C17
1µF
C5
1µF
C11
TP8
TP1
TP2
TP3
TP4
TP6
1µF
C4
10µF
C9
10µF
C8
10µF
C7
10µF
C6
49.9
R3
TP5
100pF
C16
SYNC
AGND
2.7 - 36V
0.8-20V/5A
0.1µF
C19
0.1µF
C20
115k
R14
PG
CC
__
1
2
J5
1
2
J6
AGND
VCC
AGND
AGND
CC
AGND
PG
__
102k
R16
102k
R15
0
R8
0.01uF
C15
15.0k
R10
DR1L
1
DR1H
2
VIN
3
EN
4
PG
5
CC
6
DITH/SYNC
7
ILIM
17
PGND
9
MODE
15
VOUT
11
ISP
12
ISN
13
FB
14
AGND
10
CDC
16
FSW
8
COMP
18
VCC
19
BOOT2
20
SW2
21
BOOT1
22
SW1
23
PGND
24
SW2
25
VOUT
26
TPS552882RPM
U1
2.2nF
C22
2.2nF
C21
0
R12
Figure 4-1. TPS552882EVM-400kHz Schematic
Schematic, Bill of Materials, and Board Layout
4
TPS552882EVM-400kHz Evaluation Module
SLVUBX7A – JUNE 2020 – REVISED NOVEMBER 2020
Copyright © 2020 Texas Instruments Incorporated