5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
+3.3VALWP
Ipeak=5.6A ; 1.2Ipeak=6.72A; Imax=3.92A
f=375KHz, L=4.7UH
Rdson=13~16m ohm
1/2Delta I = 1/2 *(19-3)*(3/19)/(375KHz*4.7UH)=1.48/2=0.74A
Vlimit=10*10^-6*150Kohm/10=0.15V
Ilimit=0.15/(16m*1.2)~0.15/(13m)=7.82A~11.53A
Iocp=7.7A (8.536A>8.4A -> ok)
Compal Electronics, Inc.
+5VALWP
Ipeak=7A ; 1.2Ipeak=8.4A; Imax=4.9A
f=300KHz, L=4.7UH,Rentrip=154k ohm
Rdson=15~18m ohm
1/2Delta I = 1/2 *(19-5)*(5/19)/(300KHz*4.7UH)=1.63/2=0.815A
Vlimit=10*10^-6*154Kohm/10=0.15V
Ilimit=0.15/(18m*1.2)~0.15/(15m)=7.13~10.26A
Iocp=14.2A
VFB=2V
確確
PR51
ESR=17m ohm
ESR=17m ohm
Rds=13.5m
Ω
(min)
= 16.5m
Ω
(max)
Rds=13.5m
Ω
(min)
= 16.5m
Ω
(max)
VFB=2V
(1)SMPS1=300KHZ (+5VALWP)
(2)SMPS2=355KHZ (+3VALWP)
EN
Rising=1.6~0.3V
EN_3V
BST_5V
LX_5V
F
B
_
5
V
UG_5V
BST_3V
LG_5V
C
S
1
EN_5V
R
C
S
2
F
B
_
3
V
LX_3V
UG_3V
LG_3V
EN_5V3V
EN_5V
EN_3V
+5VALWP
+3VALWP
B+
+5VALWP
R
+3VLP
VL
R
EC_ON
<29>
MAINPWON
<29,35>
SPOK
<29,35>
Title
Size
Document Number
Rev
Date:
Sheet
of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
1.0
3VALWP/5VALWP
Custom
37
45
Friday, April 20, 2012
2011/11/22
2012/11/22
Q1VZC M/B LA-8941P Schematic
Title
Size
Document Number
Rev
Date:
Sheet
of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
1.0
3VALWP/5VALWP
Custom
37
45
Friday, April 20, 2012
2011/11/22
2012/11/22
Q1VZC M/B LA-8941P Schematic
Title
Size
Document Number
Rev
Date:
Sheet
of
Security Classification
Compal Secret Data
THIS SHEET OF ENGINEERING DRAWING IS THE PROPRIETARY PROPERTY OF COMPAL ELECTRONICS, INC. AND CONTAINS CONFIDENTIAL
AND TRADE SECRET INFORMATION. THIS SHEET MAY NOT BE TRANSFERED FROM THE CUSTODY OF THE COMPETENT DIVISION OF R&D
DEPARTMENT EXCEPT AS AUTHORIZED BY COMPAL ELECTRONICS, INC. NEITHER THIS SHEET NOR THE INFORMATION IT CONTAINS
MAY BE USED BY OR DISCLOSED TO ANY THIRD PARTY WITHOUT PRIOR WRITTEN CONSENT OF COMPAL ELECTRONICS, INC.
Issued Date
Deciphered Date
1.0
3VALWP/5VALWP
Custom
37
45
Friday, April 20, 2012
2011/11/22
2012/11/22
Q1VZC M/B LA-8941P Schematic
P
R
4
5
1
1
8
K
_
0
4
0
2
_
1
%
1
2
PR42
20K_0402_1%
1
2
PC99
100P_0402_50V8J
@
1
2
P
C
6
2
1
U
_
0
6
0
3
_
1
0
V
6
K
1
2
PR54 0_0402_5%
1
2
P
R
5
6
4
0
2
K
_
0
4
0
2
_
1
%
@
1
2
P
C
5
3
2
2
0
0
P
_
0
4
0
2
_
5
0
V
7
K
1
2
PR47
2.2_0603_5%
1
2
P
C
5
4
0
.1
U
_
0
6
0
3
_
2
5
V
7
K
1
2
PQ15
SI7716ADN-T1-GE3_POW ERPAK8-5
4
5
1
2
3
P
C
6
4
4
.7
U
_
0
6
0
3
_
6
.3
V
6
M
1
2
PR69 2.2K_0402_5%
1
2
P
C
6
1
1
U
_
0
6
0
3
_
2
5
V
6
K
1
2
PC85
100P_0402_50V8J
@
1
2
PC55
0.1U_0603_25V7K
1
2
+
P
C
5
9
2
2
0
U
_
6
.3
V
_
M
1
2
P
C
5
8
6
8
0
P
_
0
4
0
2
_
5
0
V
7
K
1
2
PC52
1U_0603_10V6K
1
2
PQ12
SIS412DN-T1-GE3_POW ERPAK8-5
4
5
1
2
3
PR52
2.2_0603_1%
1
2
P
C
4
6
0
.1
U
_
0
6
0
3
_
2
5
V
7
K
1
2
PR51 0_0402_5%
1
2
PR41
30.9K_0402_1%
1
2
PR43
20K_0402_1%
1
2
PC56
0.1U_0603_25V7K
1
2
P
R
4
9
4
.7
_
1
2
0
6
_
5
%
@
1
2
PQ13
SIS412DN-T1-GE3_POW ERPAK8-5
4
5
1
2
3
P
R
4
4
9
5
.3
K
_
0
4
0
2
_
1
%
1
2
+
PC57
220U_6.3V_M
1
2
P
R
4
8
4
.7
_
1
2
0
6
_
5
%
1
2
P
C
4
7
1
0
U
_
0
8
0
5
_
2
5
V
6
K
1
2
P
C
5
1
4
.7
U
_
0
8
0
5
_
2
5
V
6
-K
1
2
TPS51225CRUKR_QFN20_3X3
PU2
C
S
1
1
V
F
B
1
2
V
R
E
G
3
3
V
F
B
2
4
C
S
2
5
EN2
6
PGOOD
7
SW2
8
VBST2
9
DRVH2
10
D
R
V
L
2
1
1
V
IN
1
2
V
R
E
G
5
1
3
V
O
1
1
4
D
R
V
L
1
1
5
DRVH1
16
VBST1
17
SW1
18
VCLK
19
EN1
20
PAD
21
PL5
4.7UH_VMPI0703AR-4R7M-Z01_5.5A_20%
1
2
P
C
4
9
2
2
0
0
P
_
0
4
0
2
_
5
0
V
7
K
1
2
P
C
5
0
4
.7
U
_
0
8
0
5
_
2
5
V
6
-K
1
2
PQ14
SI7716ADN-T1-GE3_POW ERPAK8-5
4
5
1
2
3
PR50 0_0402_5%
1
2
PL6
4.7UH_VMPI0703AR-4R7M-Z01_5.5A_20%
1
2
P
C
6
0
6
8
0
P
_
0
4
0
2
_
5
0
V
7
K
@
1
2
PR46
2.2_0603_5%
1
2
PL4
HCB2012KF-121T50_0805
1
2
PR40
13.7K_0402_1%
1
2
