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D D
Vout*115%
PR127=1Mohm Fosc=250KHz
State VTTREF VTT
PR140 0Ohm r0201 7. Enable Voltage:
P_VTT_DDR_EN_10 P_1.8V_S3_10 3. OCP:
2 1
[32,39,47,50] SUSB_ON
/PWR V rising = 2 V
S0 On On
V falling = 0.8V
PR181=22Kohm ->10A
PR141 PC581 4. POR:
S3 On Off(Hi-Z)
S0 1MOHM Do Not Stuff 8. Soft start time:
/PWR c0201 POR Hysteresis =20mV
/PWR/X
V on =3.9-4.5V Tss=512us
Off Off
S3/S5 S3/S5
S4/S5 (Discharge) (Discharge)
9. Phase selection:
GND GND /X
10.Inrush Current:
PR503 Do Not Stuff PR502 0Ohm r0201
r0201
+5VSUS 2 1 2 1 +1.8V C total = 110 uF
/PWR/X /PWR P_1.8V_IN_S
P_1.8V_IN_S
AC_BAT_SYS
I inrush= 0.39 A
PR501 Do Not Stuff
r0201
2 1
/PWR/X PC505 PC512
+VTT_DDR
10UF/25V 10UF/25V
PJP502 /PWR /PWR
VTTREF
P_VTT_20
2 1
2 1
Do Not Stuff
PC503 PC502 /PWR/X
PC504 10UF/6.3V 10UF/6.3V
0.1UF/16V 1mm 1mm Power stage
/PWR /PWR
C /PWR C
PQ500
RJK0355DPA-00-J0
GND GND /PWR
GND PD502
BAT54CW 1. I/P Current: 5. MOSFET Spec:
U3
/PWR 2
3 P_1.8V_VDDP_20
UP6163AQAG
I in = Vo*Io/( 0.8 * Vin) =0.94A
1
/PWR
H-side MOSFET: AP4800AGM
25
GND2
7 24 PC509 2. Ripple Current:
NC1 VTT
+1.8V +1.8V 0.1UF/25V
8 23
VDDQSNS VTTIN
P_1.8V_FB_10 9 22 P_1.8V_BOOT_20 /PW2
1 R
VDDQSET BOOT
P_1.8V_S3_10 10 21 P_1.8V_UGATE_20 I rip= 1.78A
Rds(ON)= 21 mohm (Vgs=4.5 V)
S3 UGATE
P_1.8V_S5_10 11 20 P_1.8V_PHASE_20 V1.2
S5 PHASE +1.8V
I spec=2A ×1 pcs
12 19 P_1.8V_LGATE_20
!
!
!
NC2 LGATE I cont = 9.6 A (T =25 !)
PL501
I peak = 40 A
3. Dynamic:
P_1.8V_PHASE_S 1 2
4.7UH
PC508 /PWR I peak=5 A
1UF/16V + PCE501 L-side MOSFET: RAP4800AGM
/PWR 100UF/6.3V ESR =18 mohm
+5VSUS +5VSUS /PWR
³%V =90mV
³%
³%
³%
PQ501
Rds(ON)= 21 mohm (Vgs=4.5 V)
RJK0355DPA-00-J0
GND /PWR 4. Inductor Spec:
I cont = 9.6 A (T =25 !)
!
!
!
PR585 PR595 GND
I peak = 40 A
2.2Ohm 2.2Ohm I sat=10 A
/PWR /PWR GND
I dc =5.5 A
P_1.8V_VDD_20
P_1.8V_VDDP_20 DCR=37 mohm
+5VSUS
PR586
1 2
PC506 PC583
1UF/16V 1UF/16V 12KOhm
B /PWR /PWR /PWR B
GND
OCP=9A
GND V1.2
GND
PC522 Do Not Stuff/PWR/X
2 1
1 2 P_1.8V_FBJP_10
PR506 1% PC550
8.45KOhm 0.1UF/16V
/PWR
PR505 PR507 /PWR
10KOhm 2 1 P_1.8V_OV#_10
1%
r0201 56KOhm
/PWR 1%
/PWR GND
V1.3
PR580
2 1 PR599 PR598
Do Not Stuff 309KOhm
GND 20KOhm r0201 /PWR 1%
1% /PWR/X
/PWR
+1.5V_SEL# PM_LEVELDOWN# CPU_LEVELDOWN CPU_LEVELDOWN# Voltage Status
H L L H 1.72V Power Saving
A A
PR581 PQ504B
ADP Option: 1.82V or 1.72V
1 2 5
H H L H 1.82V Normal
[17] +1.5V_SEL# UM6K1N
/PWR
H: +1.8V 100KOhm PQ504A PR508
r0201 2 1 2
P_1.8V_OV_10
L: +1.5V
PM_LEVELDOWN# [32,39,43,46,47]
/PWR PC580 UM6K1N
0.1UF/6.3V /PWR PC507 100KOhm
c0201 0.1UF/6.3V r0201
/PWR c0201 /PWR
/PWR
1008HA
L L L H 1.4V Power Saving
GND GND
GND GND
+1.8V & VTTDDR
Title :
L H L H 1.5V Normal
Engineer: Aaron Tsao
ASUSTek Computer INC.
Size Project Name Rev
http://konweer.kiev.ua
A2 1.3G
1008HA
Date: Friday, March 27, 2009 Sheet 44 of 47
5 4 3 2 1
5 D
6
S
7
8
G
5 D
6
S
7
8
G
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
P_1.8V_MODE_10
P_1.8V_VTTSNS_10
6
5
4
3
2
1
4
5
3
6
2
7
1
POK
COMP
VCC5
VTTREF
PVCC5
MODE
CS
GND1
CS_GND
VTTSNS
PGND
VTTGND
13
14
15
16
17
18
2
1
2
1
P_1.8V_CS_10
4
5
3
6
2
7
1
2
1
2
1
2
1
2
1
P_1.8V_FB_10
2
1
1
2
2
1
4
3
1
6
2
1
2
1
2
1
5 4 3 2 1
D D
1.1G change Enable signal from CPU_VRON
P_VCCP_EN_10
[32,43] CPU_VRON
+5VS
P_VCCP_IN_S
AC_BAT_SYS
PR201 PQ200
SI7326DN_T1_E3 PC204
2.2Ohm
PR200 /PWR
/PWR
1MOHM 10UF/25V
+5VS
P_VCCP_IN_S /PWR /PWR
2 1P_VCCP_TON_10
P_VCCP_BST_25
S0
+3VS
P_VCCP_UG_25 GND
+VCCP / 5.5A
PR232 PU200 PD200 BAT54CW
S5 S3/S5
+VCCP
/PWR PC202
1
2.2Ohm
PR207 GND P_VCCP_BSTRC_25
3 2 1
/PWR
10KOhm
2
1% +VCCP 0.1UF/25V PL201
1 12
VOUT UGATE
/PWR P_+VCCP_VDD_20 P_VCCP_PHASE_25 /PWR P_VCCP_PHASE_S
2 11 1 2
VDD PHASE
P_VCCP_OC_10
3 10
FB OC
VCCP_PWRGD P_VCCP_VDDP_20 P_VCCP_OCR_10 PQ201 2.2UH
4 9 1 2
[4,43] VCCP_PWRGD PGOOD VDDP
SI7326DN_T1_E3 /PWR
C PR203 7.5KOhm1% /PWR + PCE200 C
PC208 PC201 100UF/6.3V
Do Not Stuff PC200 1UF/16V /PWR /PWR
Ilimit = Rilim / Rsense * 20u
c0201 1UF/16V RT8202APQW /PWR
/PWR/X /PWR /PWR
GND GND GND
PJP200 GND
GND Do Not Stuff
P_VCCP_LG_25 /PWR/X
PC206 220PF/50V
/PWR
2 1
GND V1.2
P_VCCP_FBJP_10
2 1
PR206 2KOHM 1%
PR208 /PWR
PR205 10KOhm
10KOhm 1%
1% /PWR
r0201
PQ202A
/PWR PC250
0.1UF/16V
UM6K1N PR209
/PWR
/PWR
P_VCCP_OV_10
2 2 1
PM_LEVELDOWN# [32,39,43,44,47]
B B
PR298 PR299 PC207 100KOhm
Hi : Vout = 1.0497V
5.1KOhm Do Not Stuff 0.1UF/6.3V r0201
/PWR r0201 c0201 /PWR GND
Low : Vout = 0.9V
GND r0201 /PWR /PWR
GND
P_VCCP_OV#_10 GND
ADP Option: 1.05V or 1.00V
PM_LEVELDOWN# CPU_LEVELDOWN CPU_LEVELDOWN# Voltage Status
L L H 0.9V Power Saving
A H L H 1.05V Normal A
1008HA
VCCP
Title :
Engineer: Aaron Tsao
ASUSTek Computer INC.
Size Project Name Rev
A3 1.3G
1008HA
http://konweer.kiev.ua
Date: Friday, March 27, 2009 Sheet 46 of 51
5 4 3 2 1
5 D
6
S
7
8
G
5 D
6
S
7
8
G
5
2
1
2
1
17
16
15
14
13
3
2
1
BOOT
5
4
NC1
GND2
GND1
TON
PGND
EN/DEM
LGATE
NC2
2
1
2
1
2
1
2
1
2
1
5
6
7
8
2
1
4
3
2
1
P_VCCP_FB_10
2
1
1
2
2
1
1
6
2
1
2
1
2
1
2
1
5 4 3 2 1
P_+1.5VS_IN_S
AC_BAT_SYS
+5VSUS
P_+1.5VS_EN_10
S0
[32,39,44,50] SUSB_ON
PQ300
SI7326DN_T1_E3
PR301 /PWR PC304
S5 S3/S5
PR300 2.2Ohm
1MOHM /PWR 10UF/25V
P_+1.5VS_IN_S /PWR /PWR
D 2 1P_+1.5VS_TON_10 D
P_+1.5VS_BST_25
+5VSUS +1.5VS / 3A
P_+1.5VS_UG_25 GND
PU300 PD300 BAT54CW
/PWR PC302
1
+1.5VS
PR323 GND P_+1.5VS_BSTRC_25
3 2 1
2.2Ohm
2
/PWR 0.1UF/25V PL301
+1.5VS
1 12
VOUT UGATE [ Pobierz całość w formacie PDF ]