ST NUCLEO-L433RC-P User Manual

UM2206 Electrical schematics
UM2206 Rev 3 49/55
Figure 25. STM32 power SMPS
78
STM32 Power SMPS
Title:
Size:
Reference:
Sheet: ofA3
Revision:
Project:
NUCLEO64 ext-SMPS
MB1319C01
05-January-2018
L412RB_P
Date:
-
Variant:
SMPS_V1 SMPS_EN SMPS_PG SMPS_SW VOUTVDD
U13 AND U14 ARE EXCLUSIVELY POPULATED
VDD
VDD_1V2
VDD
VDD_MCU
SB76
SB79
DNF
SB80
SB87
SB89
SB92
SB93
SB29
SB86
DNF
SB95
SB83
DNF
SB90
DNF
SB91
DNF
SB94
DNF
SB82
DNF
SB81
DNF
0R
R44
DNF
SB31
DNF
SB46
SB39
SB30
SB51
DNF
10uF
C49
10uF
C51100nF
C50
ST1PS01EJR
EN
B2
SW
C3
VIN
A3
PG
E1
VOUT
E3
D1
A1
D0
C1
GND
D2
U14
DNF
VDD_SMPS_1V8
ADP5301ACBZ-2-R7
EN
A3
SW
A1
PVIN
A2
PGND
B1
FB
C2
VID
C3
SYNC/MODE
B3
VOUTOK
C1
AGND
B2
U13
SMPS_PG
ST1PS02D1QTR
EN
12
SW
3
VIN
2
PG
7
VOUT
5
D1
10
D0
9
GND
4
D2
11
CL
8
VOUT2
6
AUX
1
U12
DNF
2.2uH 2.6A 0.100R
L3
2.2uH 2.6A 0.100R
L1
SB42
DNF
VDD_IN_SMPS
VDD_SMPS_1V8
SB88
SMPS_V1
SMPS_EN
SMPS_PG
SMPS_SW
VOUTVDD
VOUTVDD
VDD
SB76: DEFAULT: OPEN
Closed: when VDD_MCU is provided from U13 or U14
O
p
en: when VDD
_
MCU is
p
rovided from VDD or CN11
VDD_MCU table
VDD_MCU= VDD
VDD_MCU = 1V8
VDD_MCU = VOUTVDD
JP7 SB87
Open
Open
Open
[3-2]
Closed
SYNC/MODE table
PWM MODE
HYSTERESIS MODE
SB79 SB80
Closed Open
Open Closed
U11 AND U12 ARE EXCLUSIVELY POPULATED
VDD_1V2 table
SB46 SB51 SB39
Closed Open Open
Open Open
Open Open
Closed
Closed
Comment on this part are for Ext 1V2 SMPS configuration
Header 8x1
2 1 3 4 5 6 7 8
CN11
DNF
ST1PS02D MODE
V DEFAULT
V Middle
V HIGH
SB91 SB90 SB82
OpenOpen
Open
Open
Closed
Closed
SB94
Open
SB81
Open
Closed
VOUT
1V10
1V15
Open ClosedClosed
Closed
OpenOpen 1V20
D0 D1
19K6R43
1M
R40
DNF
10uF
C44 10uF
C37
100nF
C43
PA[0..15]
PA[0..15]
PA4
PA5
PA6
PA7
SB85
DNF
SB84
SMPS_SW
VOUTCORE
VOUTCORE
10uF
C42
DNF
VDD_SMPS_1V2
SB43
DNF
VDD_SMPS_1V2
SB43
Closed Open Open Open
Open
Open
Open
330R
R38
NRST
3M3
R37
HW8
JP8
VDD_IN_SMPS
VDD_1V2_SW
VOUT2
VOUTCORE
Header 3x1
2
1
3
JP7
HW7
[1-2]
TS3A44159PWR
COM1
14
COM2
2
IN1-2
16
COM3
6
COM4
10
NC1
15
NO1
13
NC2
3
NO2
1
NC3
7
NO3
5
NC4
11
NO4
9
VCC
12
GND
4
IN3-4
8
U10
Default
JP7[1-2]: NO SMPS SELECTION, VDD = VDD_MCU
JP7[3-2]: SMPS SELECTION, VDD_MCU = 1V8
EXTERNAL SMPS SELECTION: VDD_MCU = FROM CN11
Default: JP7[1-2]
JP8 selection: DEFAULT: CLOSED
Closed to select 1V2 power Default
O
p
en for le
g
ac
y
confi
g
uration
Opt0: Rvid= 19.6K VOUT= 1V8
Opt1: Rvid= 25.5K VOUT= 1V1
SB83: DEFAULT OPEN
closed: VID Short to PVIN:
ADP5301 O
p
t1: VOUT=1V3
VDD_1V2 from U11 or U12 wo SW
VDD_1V2 from U11 or U12 or CN11+SW
VDD_1V2 from U12 VOUT2
VDD_1V2 from CN11 VOUTCORE wo SW
SB30: DEFAULT CLOSED
Closed:If ADI5301 is used or ST1PS02 VOUT is used
O
p
en: If ST1PS02 VOUT2 is used, or Ext SMPS on CN11
SB31: DEFAULT OPEN
Open: when SB30 is closed
Closed: If using External
SMPS on CN11 and U8 is
needed
EXTERNAL SMPS SELECTION VOUTCORE FROM CN11
Default
EXTERNAL SMPS SELECTION FROM CN11
EN
A3
SW
A1
PVIN
A2
PGND
B1
FB
C2
VID
C3
SYNC/MODE
B3
VOUTOK
C1
AGND
B2
ADP5301ACBZ-3-R7U11
25K5
R39
SB96
DNF
SB97
DNF
SB96 SB97
D2
VDD_MCU_SELECTION
SMPS SELECTION, VDD_1V2
ClosedOpen
000
Open Closed
Open Closed
0
0
10
01

ST NUCLEO-L433RC-P Specifications

General

Brand	ST
Model	NUCLEO-L433RC-P
Category	Motherboard
Language	English