Figure 3-3. Tps546B24Aevm-2Ph Schematic Page 3 (U1_P2 Loop Follower) - Texas Instruments TPS546B24AEVM-2PH User Manual

Schematic
VIN
C2_P2 C3_P2 C4_P2 C5_P2
100uF
22uF 22uF 22uF
GND
GND
EN
PVIN
BP1V5
R9_P2 CNTL Jumper
30.1k
1 2
CNTL
3 4
GND R10_P2
5 6
DNP
10.5k
R14_P2 JP2_P2
C20_P2
7.50k
0.1uF
GND
R18_P2
0
AGND
8 TPS546B24A 2-Phase SWIFT™ Step-Down Converter Evaluation Module User's Guide
R2_P2 10
1
S_VIN
2
R3_P2 10 3
AVIN
PVIN
TP1_P2
C6_P2 C7_P2 C8_P2 C9_P2
DNP C10_P2
22uF 6800pF 6800pF 6800pF 1µF
TP3_P2
AGND
VDD5
EXT_5V
C15_P2
DNP C14_P2
1µF 4.7uF
JP1_P2
GND
BP1V5
R11_P2 R12_P2 R13_P2
DNP DNP DNP DNP C18_P2
10.5k 10.5k 53.6k
2.2µF
MSEL2
VSEL AGND
ADRSEL
MSEL1 DRTN
R19_P2 R20_P2 R21_P2
DNP DNP DNP
14.7k 10.5k 12.1k
PM_DAT
PM_CLK
SMBALT

Figure 3-3. TPS546B24AEVM-2PH Schematic Page 3 (U1_P2 Loop Follower)

Copyright © 2022 Texas Instruments Incorporated
R1_P2
VDD5
DNP
0
C1_P2
JP7_P2 1µF
GND
U1_P2
21
PVIN BOOT
22
PVIN
23
PVIN
24
PVIN SW
C11_P2
25
PVIN SW
1µF
SW
26
AVIN SW
SW
EN 27
EN/UVLO
VDD5 28
VDD5 PGND
PGND
PGND
DNP C16_P2 PGND
0.1uF PGND
PGND
PGND
PGND
PAD
VOSNS
4
BP1V5
TP34_P2
GOSNS/FLWR
C19_P2
DNP
MSEL2 29
2.2µF MSEL2 VSHARE
DNP
VSEL 30
VSEL NC
TP35_P2
ADRSEL 31
ADRSEL SYNC
MSEL1 32
MSEL1 BCX_CLK
BCX_DAT
R23_P2 PGD/RST
0 2
PMB_DATA
3
PMB_CLK DRTN
R25_P2 0
6
SMB_ALRT AGND
R27_P2 0
TPS546B24ARVFR
D1_P2
45V
R4_P2
7
SW
0
8 C12_P2 R5_P2
C13_P2
9 1000pF 49.9
0.1uF
10 TP2_P2
1
11
R6_P2
12
SMB1_P2
1.0
TP4_P2
13 AGND GND
14
15
16 BP1V5
17 NT1_P2
18 Net-Tie
19
20 R8_P2
41 GND 10.0k
33
SNS+
DNP C17_P2
100pF
34
SNS-
35
VSH
R15_P2 0
36 GND
38
R16_P2
39 0
BC_CLK
40
BC_DAT
R22_P2 0
1 PG
5 DRTN VDD5
C21_P2
33pF R26_P2
37 AGND
10.0k
SLUUC48A – FEBRUARY 2020 – REVISED FEBRUARY 2022
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SYNC
R17_P2 0
TP5_P2
DNP PG_S
R24_P2 0