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5
VPH_PWR
C1503
22uF
D
BOM_IGNORE property of C1503-C1505 is
determined by placement
C
U1501-1
68
[11,15]
PON_OUT
PS_HOLD
69
B
[1,11]
MSM_RESIN_N
RESIN_N
26
GND
59
XO_IN
33
MPP01
34
MPP02
VREG_S3A_1P8
78
MPP03
86
MPP04
32
VDD_MSM_IO
49
GND
58
GND
31
REF_BYP
24
C1501
REF_GND
100nf
13
GND
14
GND
15
GND
21
GND
22
GND
23
GND
29
GND
A
PM8841
5
4
53
C1506
35
2.2uF
8
C1504
C1505
9
22uF
22uF
C1507
18
2.2uF
25
80
C1508
62
2.2uF
97
98
C1509
79
2.2uF
89
1
2
C1510
10
2.2uF
20
19
C1511
36
37
2.2uF
72
C1512
54
55
2.2uF
90
91
C1513
73
2.2uF
81
47
NOTE1
differencial-line with
VPH_PWR
50
CONTROL
VDD_PON
45
C1502
GND
46
GND
1uF
41
VDD_INT_BYP
77
SPMI_CLK
PMIC_SPMI_CLK
76
PMIC_SPMI_DATA
SPMI_DATA
61
PON_OUT
PON_1
52
OPT_1
51
OPT_2
43
NC1
70
NC2
30
GND
38
GND
39
GND
40
GND
48
GND
56
GND
57
GND
65
GND
66
GND
67
GND
74
GND
75
GND
84
GND
85
GND
4
3
Note : All input current is calculate as 70% convertor efficiency
U1501-2
42
Feedback, signal trace route back from C1515
VREG
VDD_S1
VREG_S1
44
780mA from BAT (max)
L1501
GND_S1
VSW_S1
0.47uH
6
R1501
VDD_S2
VREG_S2
VDD_S2
C1525 10pF
7
1200mA from BAT (max)
VSW_S2
16
N.M.
GND_S2
VSW_S2
17
L1502
GND_S2
VSW_S2
0.47uH
60
Feedback, signal trace route back from C1517
VDD_S3
VREG_S3
71
500mA from BAT (max)
GND_S3
VSW_S3
L1504
95
R1502
VDD_S4
VREG_S4
C1526
10pF
VDD_S4
87
1200mA from BAT (max)
N.M.
VSW_S4
88
GND_S4
VSW_S4
96
L1503
GND_S4
VSW_S4
0.47uH
differencial-line with
REMOTE_GND_SNS, route back under MSM8974
4
VDD_S5
VREG_S5
VDD_S5
L1505
3
1200mA from BAT (max)
VSW_S5
11
GND_S5
VSW_S5
0.24uH
12
GND_S5
VSW_S5
5
VDD_S6
VREG_S6
L1506
27
1200mA from BAT (max)
GND_S6
VSW_S6
28
GND_S6
VSW_S6
0.24uH
94
VDD_S7
VREG_S7
L1507
63
1200mA from BAT (max)
GND_S7
VSW_S7
64
GND_S7
VSW_S7
0.24uH
93
VDD_S8
VREG_S8
VDD_S8
L1508
82
1200mA from BAT (max)
VSW_S8
83
GND_S8
VSW_S8
0.24uH
92
GND_S8
VSW_S8
REMOTE_GND_SNS
PM8841
VSENSE_KRAIT_0P9, route back under MSM8974
[1,11]
[1,11]
[11,15]
3
2
VREG_S1B_0P95
C1514
C1515
0.95v 1900mA for device
47uF
47uF
0R
Feedback, signal trace route back from C1516
VREG_S3B_1P15
0.9v 3000mA for device
VREG_S4B_0P9
1.15v 1000mA for device
2.2uH
0R
Feedback, signal trace route back from C1518
C1518
C1524
0.9v 3000mA for device
47uF
47uF
NOTE2
VSENSE_KRAIT_0P9
[5]
0.9v 3000mA for device
C1519
22uF
0.9v 3000mA for device
C1520
22uF
0.9v 3000mA for device
C1521
0.9v 3000mA for device
22uF
C1522
22uF
NOTE2
NOTE 1: CONNECT REMOTE_GND_SNS GROUND TO MSM GROUND WITH SINGLE TRACE
NOTE 2: PLACE S2B, S4B, S5B, S6B, S7B, S8B OUTPUT CAPACITORS CLOSE TO MSM
<Variant Name>
<Variant Name>
<Variant Name>
Title
Title
Title
Size
Size
Size
Date:
Date:
Date:
2
1
VREG_S2B_0P9
C1516
C1523
47uF
47uF
NOTE2
C1517
47uF
VREG_KRAIT_0P9
Lenovo
Lenovo
Lenovo
K920
K920
K920
Document Number
Document Number
Document Number
A3
A3
A3
P15. PM8841 CONTROL & VREG
P15. PM8841 CONTROL & VREG
P15. PM8841 CONTROL & VREG
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Tuesday, August 05, 2014
Sheet
Sheet
Sheet
15
15
15
of
of
of
58
58
58
1
D
C
B
A
Rev
Rev
Rev
0.11
0.11
0.11
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