5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
POWER SUPPLY
12V TO 5V 12V DC INPUT DIN CONNECTOR
LDO FOR 1V2:VDD_USB_HSIC0_1P2
POWER LEDS
FAN CONNECTOR
Note: Regulator will be enabled
once the VCC_12V0 is above 9V
This schematic is preliminary and subject to change without notice.
The design has NOT YET BEEN VALIDATED
NXP Semiconductors
Vout=(0.5*(1+Rf1/Rf2))
Switching Frequency:600kHz
12V TO 1.8V
Note: Regulator will be enabled
once the VCC_1V8 is UP
Vout=(0.6*(1+Rf1/Rf2))
Switching Frequency:600kHz
12V TO 3.3V
Note: Regulator will be enabled
once the VCC_12V0 is above 9V
Vout=(0.5*(1+Rf1/Rf2))
Switching Frequency:600kHz
Part number: KPJX-4S-S
Vendor : Kycon
DIN Connector(J16):
LDO_OUT0_5V
PG_5V0
LDO_OUT2_5V
PG_1V8
LDO_OUT1_5V
PG_3V3
VCC_12V0
VCC_EXT_LDO_USB
VCC_EXT_5V0 VCC_EXT_3V3
VCC_EXT_1V8
VCC_EXT_3V3
VCC_12V0
VCC_EXT_3V3 VCC_EXT_5V0
PS_GND
PS_GND PS_GND PS_GND
VCC_12V0VCC_12V0
AGND_SW1 AGND_SW1
AGND_SW1
VCC_12V0
AGND_SW1 AGND_SW1
AGND_SW1
AGND_SW1
VCC_EXT_5V0
AGND_SW3
VCC_12V0VCC_12V0
AGND_SW3
AGND_SW3
VCC_EXT_1V8
AGND_SW3
VCC_1V8
VCC_12V0VCC_12V0
AGND_SW2 AGND_SW2
AGND_SW2
VCC_12V0
AGND_SW2 AGND_SW2
AGND_SW2
AGND_SW2
VCC_EXT_3V3
VCC_3V3
Drawing Title:
Size Document Number Rev
Date: Sheet o f
Page Title:
ICAP Classification: CP: IUO: PUBI:
SOURCE: SCH-29420-C2 PDF:SPF-29420-C2
C2
i.MX 8QM CPU CARD
A2
Monday, September 17, 2018
POWER SUPPLY
7 32
X
<Core Design>
Drawing Title:
Size Document Number Rev
Date: Sheet o f
Page Title:
ICAP Classification: CP: IUO: PUBI:
SOURCE: SCH-29420-C2 PDF:SPF-29420-C2
C2
i.MX 8QM CPU CARD
A2
Monday, September 17, 2018
POWER SUPPLY
7 32
X
<Core Design>
Drawing Title:
Size Document Number Rev
Date: Sheet o f
Page Title:
ICAP Classification: CP: IUO: PUBI:
SOURCE: SCH-29420-C2 PDF:SPF-29420-C2
C2
i.MX 8QM CPU CARD
A2
Monday, September 17, 2018
POWER SUPPLY
7 32
X
<Core Design>
TP52
C505 2200PF
R346
475
C426
22uF
16V
C506 2200PF
C475
0.22uF
10V
C501 2200PF
C478
10uF
25V
R325
7.5K
R350
0
DNP
R340 1.37K
C469
10uF
25V
C459
22uF
16V
C472
0.22uF
10V
L25 1uH
1 2
U51
AP7217D-12YG-13
VIN
2
GND
1
VOUT
3
R355
20
R342
39.2K
C421
0.22uF
10V
R331 215
D9
RED
AC
C420
0.22uF
10V
C473
1uF
16V
R357 0
C480
10uF
25V
R316
1.00k
D32
PTVS15VP1UP
A C
R320 0
C467
22uF
16V
C476
10uF
25V
Q9
NX3008NBK
1
2 3
R339 215
C507 0.022uF
R360
20
C487
0.22uF
10V
R349
20
C115 0.1UF
50V
C112
10uF
25V
C482 2.2UF
10V
C483 2.2UF
10V
C422
0.22uF
10V
C443
0.22uF
10V
C8
10uF
25V
+
C222
47uFDNP
25V
C423
0.22uF
10V
C548 1000pf
C502 390pF
C122 100pF
25V
R278
1.00k
C494
1UF
C499 0.068uF
C479
0.1uF
25V
J16
CON PWR JACK 4
2
1
4
3
5
6
7
8
9
C481
0.22UF
25V
C447
0.22uF
10V
R363 1.37K
F1
10A
1 2
C121 0.1UF
50V
TP62
R375 0
R332 453
R329
49.9K
U50
IR3895MTRPBF
FB
1
VREF
2
COMP
3
GND_4
4
RT/SYNC
5
VCC/LDO_OUT
10
SW
12
BOOT
14
PGOOD
7
VIN
9
ENABLE
15
VP
16
S_CTRL
6
PGND
11
PVIN
13
VSNS
8
GND_17
17
R335
39.2K
L24 1uH
1 2
R280
1.00k
C485
1UF
C474
1uF
16V
R321 0
R327
7.5K
R347
0
DNP
R146
39.2K
C104
10uF
25V
R351
6.65K
C495 1000PF
R353 47K
+
C234
100uF
50V
C433
22uF
16V
D35
B130-13-F
DNP
A C
TP64
R324
49.9K
R166
10.0K
C428
22uF
16V
U49
IR3895MTRPBF
FB
1
VREF
2
COMP
3
GND_4
4
RT/SYNC
5
VCC/LDO_OUT
10
SW
12
BOOT
14
PGOOD
7
VIN
9
ENABLE
15
VP
16
S_CTRL
6
PGND
11
PVIN
13
VSNS
8
GND_17
17
TP72
R337
1.18K
C477
10uF
25V
L23 1uH
1 2
C492
22uF
16V
R313
47K
DNP
C123 100pF
25V
R362
3.3K
TP4
C484
0.22UF
25V
C430
22uF
16V
D10
RED
AC
TP46
R341
1.18K
R323 0
C431
22uF
16V
R354
4.02K
R361 6.65K
C109
10uF
25V
R330 6.65K
C108
10uF
25V
H1
HDR_1X3_W/LOCK
1
2
3
C429
22uF
16V
C118 0.1UF
50V
C486
1UF
C496 390pF
TP27
CG3
CG2
CG1
CBB
PSG
FL6
BNX022-01L
1 2
3 4
5
6
C490 2.2UF
10V
R338 6.65K
C432
22uF
16V
D8
RED
AC
R352 215
D13
RED
AC
C110
10uF
25V
R336 47K
R334
732
C493
22uF
16V
U52
IR3827M
FB
1
NC
2
COMP
3
GND1
4
RT/SYNC
5
SS_SELECT
6
PGOOD
7
LDO_SELECT
8
VIN
9
VCC/LDO_OUT
10
PGND
11
SW
12
PVIN
13
BOOT
14
ENABLE
15
SEQ
16
GND2
17
C491
0.22uF
10V
R322
49.9K
C103
10uF
25V
R343 47K
C497 0.022uF
C436
22uF
16V
C452
22uF
16V
D34
MBRD835L
1
3
4
C471
10uF
25V