Texas Instruments TPS549D22, User Manual, Page: 5 / 48

4 Schematic
PGND
22uF
C16
DNP
22uF
C15
DNP
22uF
C14
DNP
22µF
C13
330uF
C12
DNP
330uF
C1
DNP
2200pF
C10
22µF
C2
22µF
C9
22µF
C8
22µF
C7
22µF
C6
22µF
C5
22µF
C4
22µF
C3
DRGND
1uF
C34
DNP
1µF
C35
100µF
C33
100µF
C40
100µF
C41
100µF
C42
100µF
C29
0.1µF
C22
250nH
L1
TP3
CHB
100µF
C27
100µF
C28
100µF
C39
6800pF
C32
DNP
TP7
CHA
470pF
C21
DNP
0.1uF
C31
DNP
100µF
C26
100µF
C25
0
R14
DNP 1000pF
C36
DNP
3.01
R9
DNP
1uF
C44
DNP
4.7µF
C45
TP12
ILIM
0
R4
AGND
DRGND
DRGND
470uF
C37
DNP
470µF
C24
470µF
C38
470µF
C23
0
R16
1000pF
C46
DNP
AGND
0
R2
DNP
0
R3
DNP
TP8
PGOOD
100k
R13
PGND
TP13
AGND PGND DRGND
CNTL
CLK
DATA
ALERT
MODE
FSEL
VSEL
PGND
PGND
PGND
100µF
C11
TP2
TP10
1 2
3 4
5 6
7 8
9 10
J6
D
A
T
A
C
L
K
AL
E
R
T
PMBus
AGND
----- GND NET TIES -----
Remote Sense pos/neg should run as balanced pair
VIN = 6V - 16V
I_OUT = 40A MAX
BP
BP
SMB_ALRT#
1
PMB_DATA
2
PMB_CLK
3
EN_UVLO
4
BOOT
5
SW
6
SW
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
PVIN
26
NC
27
VDD
28
DRGND
29
AGND
30
BP
31
FSEL
32
VSEL
33
MODE
34
PGOOD
35
ILIM
36
REFIN_TRK
37
RSN
38
RSP
39
VOSNS
40
PAD
41
U1
TPS549D22RVF
22uF
C17
DNP
22uF
C18
22uF
C19
22µF
C20
TP6
TP11
0
R17
DNP
0
R18
DNP
1.00
R1
0
R10
1.10k
R8
1.50k
R5
DNP
NT1
Net-Tie
NT2
Net-Tie
TP5
SW
TP4
MODE FSEL VSEL
0
R25
AGND
CNTL/EN_UVLO
LOW
10.0k
R15
TP9
BP
TP14
100k
R20
100k
R21
100k
R22
BP
100uF
C43 DNP
100uF
C30 DNP
J1
200k
R6
100k
R12
J4
TP1
VDD
TP17
ADDR TP16
MODE TP15
VSEL
0
R11
VDD
TP18
PGND
TP19
TP20
CLK TP21
DATA TP22
ALERT
137k
R19
37.4k
R23
42.2k
R24
0
R7
J2
J3
J5
VOUT = 1V
Copyright © 2016, Texas Instruments Incorporated
Figure 4-1. PWR-784EVM Schematic
www.ti.com Schematic
SLUUBG4A – JULY 2016 – REVISED AUGUST 2021
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