42
12.4. Main (Regulator) Circuit
MAIN (REGULATOR) CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-AKX320, SA-AKX520
A
NOTE: “ * ” : VARIATION, REFER TO PARTLIST FOR VALUE
“ $ ” : NOT IN USED
C1047
0.1U
C1052
1U
C1025
D1011
DA2J10100L
D1014
DA2J10100L
C1048
0.1U
0.1U
C1023
DZ2J075M0L
D1003
SYNC
PROTECT_D
CK1000
PW_SYS_5V
SYNC_
CK1001
100
R1060
SMPS_ID
CK1005
PCONT
R1088
$
CK1008
CK1004
CK1003
CK1007
V_UP
R1082
100
100
R1085
R1083
100
100
R1084
CK1010
$
3
2
6
7
4
5
1
9
8
CN1002
K1YA09000001
C1005
0.1U
68K
R1026
R1007
68K
D1000
B0JCPG000032
C1022
0.1U
C1002
10U
C1029
$
L1001
100U
R1055
2.2
C1055
0.1u
R1056
270
Q1008
B1ADCE000012
R1054
2.2
R1053
2.2
DA2J10100L
D1008
B1GBCFJJ0051
QR1008
R1027
10K
R1065
$
10K
R1030
C1031
0.1U
C1003
560P
C1004
0.1U
C1041
4.7U
0.01U
C1018
$
C1021
1.8M
R1076
SYNC
0
R1086
G1000
R1044
2.2K
220K
R1031
8
3
T1
4
5
6
7
9
10
2
1
ThermalPad
IC1002
C0DBAYY01594
B1GBCFJJ0051
QR1006
10U
C1000
R1077
1.8M
R1066
*
0.01U
C1019
4.7U
C1020
C1013
560P
C1015
0.01U
3
21
*
ZJ1001
$
R1078
G1003
100K
R1016
68K
R1017
$
R1079
R1051
2.2K
B1GBCFJJ0051
QR1007
100K
R1050
QR1003
B1GBCFJJ0051
R1049
10K
*
ZJ1
G1002
C1040
1U
10U
C1039
10u
10K
R1006
10K
DZ1000
B0JCPG000032
C1016
0.1U
0.1u
22U
L1000
P_GND
R1070
2.2K
R1008
10K
C1030
*
C1026
$
8
3
T1
4
5
6
7
9
10
2
1
ThermalPad
IC1003
C0DBAYY01594
0
R1087
0
R1080
S
D
G
Q1010
B1CHRD000092
0
R1004
0
56K
R1005
56K
*
C1043
10U
C1042
100u16V
C1051
C1001
10U
C1046
0.1U
10u
C1009
10U
10u
C1008
10U
2
1
3
IC1000
C0DBGYY03909
PW_SYS_5V
C1044
10U
C1045
10U
2
1
3
IC1005
C0DBGYY03909
C1049
0.1U
R1064
10K
DZ2J150M0L
D1013
R1067
J0JYC0000656
1
4
2
3
IC1004
C0DBGYY00911
PROTECT_D
PROTECT_D
PW_5V
DGND
PW_USB5V
PW_SYS_3R3V
V_UP
DC_DET_PWR
PW_FL_12V
SYNC
PW_12V
DGND
PW_32V
SMPS_ID
PW_SOC_1R5V
PROTECT
PW_BT_5V
PCONT
FL_GND
PW_3R3V
PW_CD5V
DC_DET_PWR
3
1
2
B0ADDJ000032
D1002
PCONT
PROTECT
SMPS_ID
SMPS_ID
PW_SYS_3R3V
V_UP
V_UP
P_GND
AM_BP
1u
C1024
1U
PW_SOC_1R5V
V
5
_
T
B
_
W
P
V
5
_
T
B
_
W
P
PWR_GND
38.5/ 32.5V
38.5/ 32.5V
Go to DAMP
V-UP
PCONT
9 PIN WIRE TO SMPS
SMPS 9 PIN WIRE
SMPS_ID
PROTECT
PWR_GND
5V
COMP
PWRGD
NC
PH
GND
RT/CLK
EN
VIN
BOOT
SS/TR
VSENSE
Current Limiter
DC12V 2.5A
DC DC 500kHz
DC
DETECT
DC+12V
R1026=68K
DC+3.3V LDO FOR SOC
CN
Vin
400mA MAX
Vo
DC+1.6V
LDO NEAR SOC
GND
VOUT VIN
GND
ZJ1002
REX1808
C1026 OVERLAP ON C1020
VOUT
DC+3.3V
LDO
VIN
GND
VIN
GND
BOOT
DC5.3V/2.5A
DC DC 700kHz
PH
RT/CLK
PWRGD
NC
EN
SS/TR
COMP
C1043 longer discharge time
for AKX520 n AKX320LB only
VSENSE
SCREW NEAR SMPS
CATER FOR DUMMY SMPS_ID
Содержание SA-AKX320E
Страница 11: ...11 5 Location of Controls and Components...
Страница 18: ...18 Check Point SMPS PCB Check Point Main PCB...