Texas Instruments TPS54A20, Руководство пользователя, Страница: 16 / 25

4
7
,8
1
,2
,3
5
,6
,
Q1
0.02
R12
0.02
R13
TP8
TP10
TP7
TP9
1
2
J4
PGND
PGND
VG+
TON
VGA
SWB
BTB
BTA
0
R10
22.1k
R5
SWA
100uF
6.3V
C11
DNP
100uF
6.3V
C12
DNP
3.32k
R8
22pF
50V
C8
SSFSEL
ILIM
FB
PGOOD
SYNC
EN
47uF
25V
C23 DNP
PGND
PGND
1
2
J1
47uF
25V
C22 DNP
VIN
PGND
TP1
TP2
TP5
TP6
1uF
10V
C4
0.047uF
10V
C5
0.047uF
10V
C7
1uF
16V
C3
22.1k
R4
DNP
2.2uF
16V
C6
AGND
AGND
1
2
J3
47.0k
R1
DNP
TP4
TP11
TP12
22uF
35V
C24
10uF
25V
C2
220nH
L1
220nH
L2
10uF
25V
C1
51.1
R11
TP3
47.5k
R6
VG+
1
2
J2
80.6k
R2
12.4k
R3
14.3k
R7
20.0k
R9
47uF
10V
C9
47uF
10V
C10
TPS54A20RNJR
VIN
3
PGOOD
15
SYNC
14
SS/FSEL
6
EN
4
ILIM
5
VGA
7
TON
19
VG+
16
VG-
17
AGND
1
PGND
2
FB
18
SWB
12
BOOTB
10
SWA
13
SCAP
20
SCAP
9
BOOTA
8
NC
11
U1
SCAP
PGND
AGND
TP13
Vin = 9.2 V - 14 V
Vout = 1.2 V, 10 A
Copyright © 2017, Texas Instruments Incorporated
Schematic and Bill of Materials
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16 SLVUAM8A – December 2015 – Revised March 2019
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Copyright © 2015–2019, Texas Instruments Incorporated
TPS54A20EVM-770, 10-A, SWIFT™ regulator evaluation module
4 Schematic and Bill of Materials
This section presents the TPS54A20EVM-770 schematic and bill of materials.
4.1 Schematic
Figure 21 is the schematic for the TPS54A20EVM-770.
Figure 21. TPS54A20EVM-770 Schematic