Dell inspiron 1525 Schematics
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
51120_SKIPSEL
51120_EN1
51120_CS2
51120_VFB151120_VFB1
51120_CS1
51120_VFB2
51120_DRVH2
51120_DRVL2
51120_LL1
51120_DRVL2
51120_DRVH1
51120_DRVL1
51120_VREF2
51120_DRVH1
51120_DRVH2
51120_VFB2
51120_VFB1
+5V_ALWP
+3.3V_ALWP
51120_LL2
51120_LL1 51120_VBST1_1
51120_VBST2_1 51120_VBST2
51120_VBST1
51120_VREF2
51120_LL2
51120_LL2
51120_LL1
51120_DRVL1
51120_VREF2
51120_TONSEL
RUN_ON
+5V_ALWP
DCBATOUT_TPS51120
+VCC_TPS51120
5V_AUX_S5
3D3V_AUX_S5
5V_S5
+3.3V_ALWP 3D3V_S5
+3.3V_ALWP
DCBATOUT_TPS51120
+5V_ALWP
DCBATOUT_TPS51120
+VCC_TPS51120
DCBATOUT_TPS51120
51120_GND
51120_GND
51120_GND
51120_GND
51120_GND
+VCC_TPS51120
+VCC_TPS51120
+VCC_TPS51120
+VCC_TPS51120
+VCC_TPS51120
51120_GND
DCBATOUT
3D3V_S0
51120_GND
51120_GND
CPUCORE_ON 41,43,44,45
3V/5V_EN46
PM_SLP_S4#21,28,34,44,45
Title
Size Document Number Rev
Date: Sheet
of
Wistron Corporation
21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.
-1
DC to DC 3.3V & 5V
Custom
40 47Wednesday, September 12, 2007
<Core Design>
DS2-Intel
Title
Size Document Number Rev
Date: Sheet
of
Wistron Corporation
21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.
-1
DC to DC 3.3V & 5V
Custom
40 47Wednesday, September 12, 2007
<Core Design>
DS2-Intel
Title
Size Document Number Rev
Date: Sheet
of
Wistron Corporation
21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.
-1
DC to DC 3.3V & 5V
Custom
40 47Wednesday, September 12, 2007
<Core Design>
DS2-Intel
Iout = 5A
OCP < 10A
TI suggest R<=15Kohm
Vout=1V*(R1+R2)/R2
280k/CH1
FLOAT
not use
EN3,EN5 not use VREG3 on
3.3V
Fixed Output
VREF2
Swithchr ON
ADJ.
LDO ON
330k/CH2580k/CH2
N/A
430k/CH2
ADJ.
PWM
VFB2
Switcher OFF
380k/CH1
D-Cap
MODE
N/A
220k/CH1
not use
CURRENT
MODE
N/A
180k/CH1
VFB1 5V
Fixed Output
/FAULTS
OFF
COMP
GND
AUTOSKIP
V5FILT
LDO OFF
PWM
AUTOSKIP
Switcher ON
TONSEL
2870k/CH2
SKIPSEL
N/A
EN1,EN2
not use
I/P cap: 10U 25V K1206 X5R/ 78.10622.52L
Inductor: 3.3UH CYNTEC 11Arms 14.5Apeak
O/P cap: 220U6.3V 6TPE220M 25mOhm 2.4Arms/ 77.22271.17L
H/S: AO4468 SO-8/ 30mOhm/ 4.5Vgs
L/S: AO4712 SO-8/ 7.3mOhm/ 4.5Vgs
Iout =6A
OCP < 12A
SA:04/23 Change C746 to DUMMY
for power team request
SA:04/23 Change C733 to DUMMY
for power team request
SC:08/13 Change R129 from
63.R0034.1DL to
ZZ.R0402.ZZZ
SC:08/13 Change R135 from
63.R0034.1DL to
ZZ.R0402.ZZZ
SC:08/13 Change R130 from
63.R0034.1DL to
ZZ.R0402.ZZZ
1 2
L7
IND-3D3UH-57GP
L7
IND-3D3UH-57GP
1 2
G30
GAP-CLOSE-PWR
G30
GAP-CLOSE-PWR
12
C575
SC330P50V3KX-GP
DY
C575
SC330P50V3KX-GP
DY
12
C586
SCD1U10V2KX-4GP
C586
SCD1U10V2KX-4GP
1 2
R134 0R2J-2-GP
DY
R134 0R2J-2-GP
DY
1 2
G33
GAP-CLOSE-PWR
G33
GAP-CLOSE-PWR
12
C243
SC1KP50V2KX-1GP
C243
SC1KP50V2KX-1GP
1 2
G31
GAP-CLOSE-PWR
G31
GAP-CLOSE-PWR
12
R401
13K3R3F-GP
R401
13K3R3F-GP
1 2
R136 0R2J-2-GP
DY
R136 0R2J-2-GP
DY
1 2
G34
GAP-CLOSE-PWR
G34
GAP-CLOSE-PWR
1 2
R390 0R2J-2-GP
DY
R390 0R2J-2-GP
DY
1 2
G32
GAP-CLOSE-PWR
G32
GAP-CLOSE-PWR
1 2
C581
SC18P50V2JN-1-GP
C581
SC18P50V2JN-1-GP
12
C250
SC10U10V5KX-2GP
C250
SC10U10V5KX-2GP
1 2
R133
0R2J-2-GP
DY
R133
0R2J-2-GP
DY
12
C570
SC330P50V3KX-GP
DY
C570
SC330P50V3KX-GP
DY
1 2
G35
GAP-CLOSE-PWR
G35
GAP-CLOSE-PWR
1 2
R388 0R3-0-U-GPR388 0R3-0-U-GP
1 2
R389 12K1R2F-L1-GPR389 12K1R2F-L1-GP
1 2
R402 5D1R3J-GPR402 5D1R3J-GP
1 2
G27
GAP-CLOSE-PWR
G27
GAP-CLOSE-PWR
1 2
R132 0R2J-2-GP
DY
R132 0R2J-2-GP
DY
12
C237
SCD1U10V2KX-4GP
DY
C237
SCD1U10V2KX-4GP
DY
1 2
G63
GAP-CLOSE-PWR
G63
GAP-CLOSE-PWR
1 2
G37
GAP-CLOSE-PWR
G37
GAP-CLOSE-PWR
1 2
R405 11K3R2F-2-GPR405 11K3R2F-2-GP
12
R404
30K9R3F-GP
R404
30K9R3F-GP
123
4 5
678
SSS
G D
DDD
U28
SI4800BDY-T1
SSS
G D
DDD
U28
SI4800BDY-T1
1 2
G29
GAP-CLOSE-PWR
G29
GAP-CLOSE-PWR
12
C556
SC10U25V6KX-1GP
C556
SC10U25V6KX-1GP
12
R381
200KR2F-L-GP
DY
R381
200KR2F-L-GP
DY
1 2
C572 SC1KP50V2KX-1GPC572 SC1KP50V2KX-1GP
1 2
G36
GAP-CLOSE-PWR
G36
GAP-CLOSE-PWR
12
C257
SCD1U50V3KX-GP
C257
SCD1U50V3KX-GP
123
4 5
678
SSS
G D
DDD
U29
SI4800BDY-T1
SSS
G D
DDD
U29
SI4800BDY-T1
1 2
C594
SCD1U50V3KX-GP
C594
SCD1U50V3KX-GP
1 2
R135 0R0402-PADR135 0R0402-PAD
1 2
L6
IND-3D3UH-57GP
L6
IND-3D3UH-57GP
12
R396
2D2R5F-2-GP
DY
R396
2D2R5F-2-GP
DY
12
TC20
ST220U6D3VDM-13GP
TC20
ST220U6D3VDM-13GP
12
R392
30KR3F-GP
R392
30KR3F-GP
1 2
R130 0R0402-PADR130 0R0402-PAD
12
C223
SC10U25V6KX-1GP
C223
SC10U25V6KX-1GP
12
C582
SC10U25V6KX-1GP
C582
SC10U25V6KX-1GP
1 2
G39
GAP-CLOSE-PWR
G39
GAP-CLOSE-PWR
1 2
R410 0R3-0-U-GPR410 0R3-0-U-GP
1
2 3
G
S
D
Q32
TP0610T-T1-E3-GP
DY
G
S
D
Q32
TP0610T-T1-E3-GP
DY
1 2
R138 0R2J-2-GP
DY
R138 0R2J-2-GP
DY
1 2
G42
GAP-CLOSE-PWR
G42
GAP-CLOSE-PWR
12
TC4
ST220U6D3VDM-13GP
TC4
ST220U6D3VDM-13GP
1 2
R126
0R2J-2-GP
DY
R126
0R2J-2-GP
DY
12
C249
SC10U10V5KX-2GP
C249
SC10U10V5KX-2GP
1 2
R125
0R2J-2-GP
DY
R125
0R2J-2-GP
DY
12
C225
SCD1U50V3KX-GP
C225
SCD1U50V3KX-GP
1 2
R131 0R2J-2-GP
DY
R131 0R2J-2-GP
DY
1 2
G44
GAP-CLOSE-PWR
G44
GAP-CLOSE-PWR
12
R384
2D2R5F-2-GP
DY
R384
2D2R5F-2-GP
DY
12
R143
100KR2J-1-GP
R143
100KR2J-1-GP
12
C587
SC2200P50V2KX-2GP
DY
C587
SC2200P50V2KX-2GP
DY
12
C248SC18P-GP C248SC18P-GP
1
2 3
G
S
D
Q13
2N7002PT-U
DY
G
S
D
Q13
2N7002PT-U
DY
12
C559
SC2200P50V2KX-2GP
DY
C559
SC2200P50V2KX-2GP
DY
1 2
G41
GAP-CLOSE-PWR
G41
GAP-CLOSE-PWR
12
C245
SCD1U10V2KX-4GP
DY
C245
SCD1U10V2KX-4GP
DY
VO1
1
COMP1
2
VFB1
3
VREF2
4
GND
5
VFB2
6
COMP2
7
VO2
8
EN5
9
EN3
10
PGOOD2
11
EN2
12
VBST2
13
DRVH2
14
LL2
15
DRVL2
16
PGND217CS2
18
VREG3
19
V5FILT
20
VREG5
21
VIN
22
CS1
23
PGND1
24
DRVL1
25
LL1
26
DRVH1
27
VBST1
28
EN1
29
PGOOD1
30
TONSEL31SKIPSEL
32
GND
33
U56
TPS51120RHBR-GPU1
U56
TPS51120RHBR-GPU1
12
C218
SCD1U10V2KX-4GP
C218
SCD1U10V2KX-4GP
12
C585
SC1U10V3KX-3GP
C585
SC1U10V3KX-3GP
12
R391
7K5R2F-1-GP
R391
7K5R2F-1-GP
1 2
R129
0R0402-PAD
R129
0R0402-PAD
1 2
G43
GAP-CLOSE-PWR
G43
GAP-CLOSE-PWR
1 2
C569
SCD1U50V3KX-GP
C569
SCD1U50V3KX-GP
12
C577
SCD1U50V3KX-GP
C577
SCD1U50V3KX-GP
1 2
C591 SC1KP50V2KX-1GPC591 SC1KP50V2KX-1GP
123
4 5
678
SSS
GD
DDD
U32
AO4712-GP
SSS
GD
DDD
U32
AO4712-GP
TP76TPAD30 TP76TPAD30
1 2
G40
GAP-CLOSE-PWR
G40
GAP-CLOSE-PWR
1 2
G28
GAP-CLOSE-PWR
G28
GAP-CLOSE-PWR
12
C252
SC10U25V6KX-1GP
C252
SC10U25V6KX-1GP
123
4 5
678
SSS
GD
DDD
U26
AO4712-GP
SSS
GD
DDD
U26
AO4712-GP
1 2
G38
GAP-CLOSE-PWR
G38
GAP-CLOSE-PWR
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