Xiaomi MI 4S Schematics
5
全系列小米电路图QQ909799940
D D
J100
2
20449-001E
4
GND4
C C
WTR_RF_TX_FBRX_P<7>
WTR_RF_TX_FBRX_M<7>
B B
A A
1
GND1
SIG.
GND2
3
3
o
4
o
5
5
2
FL102
BAL1
BAL2
GND2
3
J102
GND
IN
OUT
GND
MM8030-2610B
4
1
UNBAL
6
NC
2
GND
HHM17147A1
L101 2.0nH
1 2
1
2.0nH±0.2nH 0201
3
I/O2
L107
47nH
47nH±5%
0201
GND
FI168L1681G6-T
2
12
FL101
I/O1
4
R106 0R ±5% 0201
1 2
R102
51R
±5%
0201
1
Antenna Path
Sleep mode (standby)
2G transmit low band
2G transmit high band
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
TRX11
TRX12
TRX13
TRX14
Isolation mode (warm–up)
4
3
12
C109
NM
0201
12
R103 0R ±5% 0201
1 2
12
R104
NM
0201
12
R105
NM
0201
U101
1
6
2
5
OUT
TERM
GND
GND
HHM22106B1
PRIMARY SWITCH(SP16T) LOGIC
Bit[6]
0X
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0 0
1
X
Bit[5]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Bit[4]Bit[7]
3
L100 2.7nH
1 2
3
IN
±0.1nH 0.6mmx0.3mm
4
COUPLING
C116
22PF
CAP0201
1 2
DC 25V
+/-5%
RFFE5_DATA<15>
RFFE5_CLK<15>
Bit[3] Bit[2] Bit[1] Bit[0]
0
0
0
0
1
0
0
1
0
0
0
1
0
0
1
0
0
1
0
0
0
0
0
0
0
0
0
1
1
1
1
0
1
0
1
0
1
1
0
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
VREG_L16A_2P7 VREG_S4A_1P8
C115
12
0.5pF
±0.05pF
50V
0201
C108
100N
12
0201
6.3V
±10%
o
o
0
0
1
0
0
0
0
0
0
1
1
0
1
1
0
1
1
1
0
0
0
1
1
0
1
1
0
1
1
0
0
0
0
1
1
1
C107
100N
0201
6.3V
±10%
2
S100
1
ANT
8
GND
9
12
VDD
10
VIO
11
SDATA
12
SCLK
21
GND
25
GND
24
GND
CXM3815ER
TRX1
TRX2
TRX3
TRX4
TRX5
TRX6
TRX7
TRX8
TRX9
TRX10
TRX11
TRX12
TRX13
TRX14
TXHB
TXLB
15
14
6
5
4
3
2
20
19
18
17
16
7
13
22
23
o
1
o
TRX_B1_B3_GSM1800 <2>
o
TX_B41 <2>
o
PRX_B39 <4>
o
PRX_B40 <4>
o
PRX_B41 <4>
o
TX_B40 <2>
o
TRX_B8_RX900 <2>
o
TRX_B2_GSM1900 <2>
o
TRX_B5_GSM850 <2>
o
TX_B34_B39 <3>
o
PRX_B34 <4>
TRX_B7 <3>
o
TX_GSM_HB <2>
o
TX_GSM_LB <2>
CXM3593
CTL 1 CTL 2
L H
H L
Primary Ant Connector, Coupler and Primary Switchplexer
Title
Title
Title
A10
A10
A10
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
A3
Date: Sheet of
Date: Sheet of
2
Date: Sheet of
Active path
RF1-RF4
RF2-RF3
RF1-RF3
RF2-RF4
1
P0
P0
1 41Thursday, December 10, 2015
1 41Thursday, December 10, 2015
1 41Thursday, December 10, 2015
P0
5
全系列小米电路图QQ909799940
C112 100pF
1 2
1 2
5%
5%
1 2
020125V
C271
1 2
3.6nH
±0.1nH
0.6mmx0.3mm
12
5%
L214
1 2
2.0nH
2.0nH±0.2nH
0201
C205
1.8pF
+/-0.25pF
50V
0201
020125V
RFFE2_CLK<2,3,5,15>
RFFE2_DATA<2,3,5,15>
12
L235
NM
0201
L244
NM
0201
L252
3.0nH
3.0nH±0.1nH
0201
12
C224
NM
0201
5%
1 2
12
C264
NM
0201
VREG_S4A_1P8
12
L207
NM
0201
C243
100pF
L254
1 2
3.0nH
3.0nH±0.1nH
0201
12
L286
1.2pF
0201
50V
+/-0.25pF
C201 100pF
1 2
o
o
R241 51R
1 2
±5% 0201
C206 100pF
1 2
50V
1 2
R246
±5% 0201
1 2
5%
L245
NM
0201
020125V
51R
0201
020125V
5%
C241 22PF
1 2
1 2
1 2
FL203
3
TX
6
ANT
2
GND
4
GND
5
GND
D6PF1G960M3B9
5%
+/-5%
CAP0201DC 25V
L289
3.3nH
3.3nH±0.1nH
0201
RX
GND
GND
GND
FL200
11
TX_B3
8
TX_B1
4
RX_B3
1
RX_B1
9
GND
10
GND
12
GND
14
GND
15
GND
ACFM-2013
U200
6
VIO
8
SCLK
9
SDATA
1
RF_IN_B1_B2
2
RF_IN_B3_B4_B34_B39
3
RF_IN_B26
4
RF_IN_B5_B8
5
RF_IN_B20
13
RF_IN_GSM_HB
14
RF_IN_GSM_LB
37
NC
7
GND
10
GND
12
GND
15
GND
16
GND
17
GND
18
GND
19
GND
20
GND
ACPM-7620
1
7
8
9
13
ANT
2
GND
3
GND
5
GND
6
GND
7
GND
o
WTR_TX_LB2<7>
D D
WTR_TX_B1_B2<7>
WTR_TX_MB3<7>
C C
TX_RF_OUT_B2<2>
TRX_B2_GSM1900<1>
B B
TX_RF_OUT_B1<2>
WTR_PRX_B3<7>
WTR_PRX_B1<7>
o
C291 100pF
o
1 2
0201 50V 5%
WTR_TX_MB4<7>
WTR_TX_LB1<7>
o
o
o
TX_RF_OUT_B3<2>
o
o
12
o
12
C247
NM
0201
12
C293 100pF
1 2
L284
NM
0201
L205
1.2pF
+/-0.25pF
50V
0201
C219 100pF
0201 50V 5%
020150V
C242 100pF
o
o
1 2
C212
100pF
50V
0201
L255
1 2
2.2nH
±0.2nH
0201
12
4
C207
100N
0201
6.3V
±10%
VCC_GSM
VBATT
RF_OUT_B1
RF_OUT_B2
RF_OUT_B3
RF_OUT_B4_B34_B39
RF_OUT_B5_B26
RF_OUT_B8
RF_OUT_B20
RF_OUT_GSM_HB
RF_OUT_GSM_LB
0201
3
o
TX_RF_OUT_TDS <3>
TX_GSM_HB <1>
TX_GSM_LB <1>
TX_RF_OUT_B8<2>
TRX_B8_RX900<1>
VPA_BATT
VREG_S4A_1P8
C252
12
12
10N
16V
±10%
0201
VPA_BATT
VREG_S4A_1P8
C260
12
12
10N
16V
±10%
0201
PA_THERM0 <27>
o
o
C253
100pF
25V
5%
0201
C261
100pF
25V
5%
0201
TX_RF_OUT_B5<2>
TRX_B5_GSM850<1>
close to WTR1625
U203
3
VBAT
4
VIO
2
RFIN
5
SDATA
6
SCLK
ACPM-9341
U204
3
VBAT
4
VIO
2
RFIN
5
SDATA
6
SCLK
ACPM-9340
VCC1
VCC2
RFOUT
VCC1
VCC2
RFOUT
o
o
C213
100pF
5%
50V
0201
1 2
1
10
9
8
NC
7
GND
11
GND
1
10
9
8
NC
7
GND
11
GND
VPA_GSM
12
C210
12
VCC2
VCC1
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
12
L215
NM
2.2uF
+/-20%
6.3V
1 2
0201
26
27
28
11
35
32
34
33
31
29
30
24
22
21
23
25
36
38
39
40
41
42
43
o
L297
2.2nH
±0.2nH
0201
C200
NM
0402
o
o
o
o
o
12
WTR_PRX_B2 <7>
12
12
L208
0201
NM
TX_RF_OUT_B1 <2>
TX_RF_OUT_B2 <2>
TX_RF_OUT_B3 <2>
TX_RF_OUT_B5 <2>
TX_RF_OUT_B8 <2>
C204
0.8pF
±0.05pF
50V
0201
o
VPA
R201 0R
1 2
±5% 0201
C299
NM
0201
L287 5.1nH
1 2
±0.1nH 0.6×0.3
C218
12
1.0pF
±0.1pF
12
50V
0201
TRX_B1_B3_GSM1800 <1>
12
C202
NM
0201
12
C203
4.7uF
+/-20%
6.3V
0402
1 2
12
L288
1 2
5.6nH
5.6nH±3%
0201
C272
1.0pF
±0.1pF
50V
0201
L285
3.3nH
3.3nH±0.2nH
0201
WTR_TX_B41<7>
RFFE2_DATA<2,3,5,15>
RFFE2_CLK<2,3,5,15>
WTR_TX_B40<7>
RFFE2_DATA<2,3,5,15>
RFFE2_CLK<2,3,5,15>
12
C244
100N
±10%
6.3V
0201
12
C298
NM
0201
R208 0R
1 2
±5% 0201
C282
12
2.0pF
±0.1pF
50V
0201
o
o
o
o
o
o
VPA_BATT
R219 0R
1 2
±5% 0201
12
RT201
100K
<Tolerance>
0402
o
o
o
C259
2.2uF
6.3V
±20%
1 2
0201
C211 33pF
L212
0201
NM
1 2
1 2
02016.3V
12
VPA_GSM
1 2
VPA_GSM
R212 0R
1 2
±5% 0201
+/-5%
L226
6.2nH
±0.3nH
0.6×0.3mm
1 2
L272
1.8pF
0201
50V
±0.1pF
C254
NM
0201
12
12
C262
100pF
0201
25V
5%
12
2
L209
5.6nH
5.6nH±3%
0201
12
12
C256
0.5pF
0201
50V
±0.05pF
12
L231
3.6nH
±0.2nH
12
12
1 2
L273
NM
0201
C255
100pF
0201
25V
5%
L261
1 2
2.4nH
±0.2nH
0201
C263
100pF
0201
25V
5%
C237 22pF
1 2
5%
L220
5.6nH
5.6nH±3%
1 2
0201
C208
1.2pF
0201
50V
+/-0.25pF
L274
6.2nH
±3%
0201
50V
0201
12
12
12
L275
9.1nH
9.1nH±3%
0201
C257
NM
0201
L263
NM
0201
FL201
3
TX
6
ANT
2
GND
GND
4
GND
GND
5
GND
GND
SAYFH836MBC0F0A
FL221
3
TX_INPUT
6
ANTENNA
D5DA942M5K2G6
FL208
INPUT1OUTPUT
2
GND
3
GND
4
GND
TQQ0041E
FL209
SAFEA2G35MC0F0A
IN1OUT
2
GND1
3
GND2
RX
GND
GND
GND
1
7
8
9
RX_OUTPUT
5
8
6
7
GND3
1
o
DUP_PRX_B5 <7>
1
2
GND
4
GND
5
GND
7
GND
8
GND
L224 2.7nH
±0.1nH 0.6mmx0.3mm
C288
12
0.5pF
+/-0.1pF
50V
0201
4
12
5
L241
2.4nH
±0.2nH
1 2
C273
1 2
6.8pF
0201
50V
+/-0.5pF
o
WTR_PRX_B8 <7>
12
L251
NM
0201
12
C265
NM
0201
o
o
TX_B41 <1>
TX_B40 <1>
A A
POWER MODE
POWER DOWN MODEHL
STANDBY MODE
HIGH POWER STATE
MEDIUM POWER STATE
LOW POWER STATE
5
4
3
H
RF7301 LOGIC
L
H
TDS_PA0_R1TDS_PA0_R0PA_ON3_B34_B39
L
X
L
H
L
X
L
L
HH
2
Title
Title
Title
A10
A10
A10
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A2
<Doc>
A2
<Doc>
A2
Date: Sheet of
Date: Sheet of
Date: Sheet of
1
2 41Thursday, December 10, 2015
2 41Thursday, December 10, 2015
2 41Thursday, December 10, 2015
P0
P0
P0
5
全系列小米电路图QQ909799940
D D
4
3
2
1
TX_RF_OUT_TDS<2>
C C
VPA_BATT
VREG_S4A_1P8
C35322PF
C347 22PF
12
+/-5%
o
WTR_TX_B7<7>
CAP0201
DC 25V
B B
CAP0201 DC 25V
12
C315
NM
0201
12
+/-5%
RFFE2_DATA<2,5,15>
RFFE2_CLK<2,5,15>
C267
C266
12
12
100pF
100N
0201
0201
25V
6.3V
±10%
5%
o
o
U205
3
VCC1
VBAT
4
VIO
VCC2
2
RFIN
RFOUT
NC
5
SDATA
GND
6
SCLK
GND
RF8007A
1
10
9
8
7
11
IN
OUT
2
GND
DEA202025LT-5052C1
R221 0R ±5%0201
1 2
12
L309
NM
0201
FL207
1
o
3
L271
1.0nH
1.0nH±0.1nH
0201
12
12
12
L248
NM
0201
R227 0R ±5%0201
1 2
C246
NM
0201
VPA
12
C269
NM
0201
L283
1.5nH
±0.1nH
0201
1 2
0201
12
12
12
12
C270
NM
0201
R206
NM
0201
C365
3.9pF
+/-0.25pF
50V
0201
C274
NM
o
TX_B34_B39 <1>
3
6
2
4
5
FL210
RX
TX
ANT
GND
GND
GND
GND
GND
GND
SAYFH2G53BC0F0A
1
7
8
9
o
DUP_PRX_B7 <7>
o
TRX_B7 <1>
A A
POWER MODE
POWER DOWN MODEHL
STANDBY MODE
HIGH POWER STATE
MEDIUM POWER STATE
LOW POWER STATE
5
4
3
H
RF7301 LOGIC
L
H
TDS_PA0_R1TDS_PA0_R0PA_ON3_B34_B39
L
X
L
H
L
X
L
L
HH
2
Title
Title
Title
A10
A10
A10
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A2
<Doc>
A2
<Doc>
A2
Date: Sheet of
Date: Sheet of
Date: Sheet of
1
3 41Thursday, December 10, 2015
3 41Thursday, December 10, 2015
3 41Thursday, December 10, 2015
P0
P0
P0
5
全系列小米电路图QQ909799940
D D
FL211
R226 0R ±5% 0201
1 2
o
PRX_B39<1>
R245 0R ±5% 0201
1 2
o
PRX_B34<1>
12
12
C279
C292
NM
NM
0201
0201
o
PRX_B40<1>
C C
o
PRX_B41<1>
12
C236
NM
0201
L216
1 2
1.0nH
1.0nH±0.1nH
0201
1 2
L236
2.2nH
±0.1nH
0201
12
L238
3.9nH
±0.1nH
0.6mmx0.3mm
12
L259
NM
0201
9
6
2
3
4
FL212
SAFEA2G35MC0F0A
IN1OUT
2
GND1
3
GND2
1
TX
SAFRG2G59MA0F0A
INPUT
INPUT
GND
GND
GND
SAWFD1G90KE0F0A
1
OUTPUT
5
GND
7
GND
8
GND
10
GND
C232 22PF
12
CAP0201 DC 25V
L258
3.6nH
±0.1nH
0.6mmx0.3mm
12
C283
NM
0201
1 2
1 2
C233
22PF
+/-5%
CAP0201
DC 25V
4
5
GND3
FL213
2
ANT
GND
3
4
VREG_L16A_2P7
12
C290
100N
6.3V
3.0nH
±0.3nH
±10%
0201
VREG_S4A_1P8
C287
12
100N
0201
6.3V
±10%
o
RFFE3_DATA<15>
o
RFFE3_CLK<15>
R234
12
L260
12
1.0pF
±0.1pF
50V
0201
S201
1
VIO
2
SDATA
3
SCLK
15
o
PRX_B34_B39 <7>
12
L250
5.1nH
±0.1nH
0.6×0.3
+/-5%
o
SAW_PRX_B40 <7>
12
C294
NM
0.6×0.3mm
0201
o
SAW_PRX_B41 <7>
13
14
VDD
GND4RF85RF76RF6
GND
RF211RF312RF4
ANT
7
3
1 2
RF1
RF5
RF1658
FL215
1
L264
1 2
NM
0201
L203
1 2
NM
0201
1 2
1 2
UB_B1/B3
2
GND
3
GND
4
GND
5
GND
SAWFD1G84AA0F0A
L204
NM
0201
L280
2.0nH
±0.1nH
0.6mmx0.3mm
L201
1.0nH
1.0nH±0.1nH
0201
L217
NM
0201
12
12
12
L243
4.7nH
±3%
0.6mmx0.3mm
L291
1.8nH
±0.1nH
0.6×0.3
10
9
8
12
L210
NM
0201
C251
1 2
1.0nH
1.0nH±0.1nH
0201
2
6
UB_B1
9
UB_B3
10
GND
8
GND
7
GND
2
3
L232
12
1.0pF
±0.1pF
50V
0201
2
3
1
12
L228
NM
0201
SAFRG2G59MA0F0A
12
L211
12nH
±3%
0.6mmx0.3mm
FL205_NM
IN1OUT
GND1
GND2
GND3
SAFFB942MAN0F0A
FL202_NM
SAFFB881MAN0F0A
IN1OUT
2
GND1
3
GND2
FL218
1
IN
2
GND1
3
GND2
SAFEA1G90MA0F0A
FL219
SAFEA2G35MC0F0A
IN1OUT
GND1
GND2
GND3
FL217
ANT
TX
GND
3
o
4
5
GND3
OUT
GND3
4
5
2
SAW_DRX_B3 <7>
4
5
4
5
L229
NM
0201
L233
NM
0201
12
L265
NM
0201
12
0201
L249
3.0nH
±0.3nH
0.6×0.3mm
12
L213
NM
12
1
o
o
SAW_DRX_B8 <7>
o
o
SAW_DRX_B40 <7>
o
SAW_DRX_B1 <7>
SAW_DRX_B5 <7>
o
SAW_DRX_B39 <7>
SAW_DRX_B41 <7>
12
B B
FL206
2
Common
1
GND
GPS_OUT<6>
3
12
±5%0402
close to ANT
J103
GND
2
IN
OUT
GND
4
MM8030-2610B
MMPA GSM/IMT/850
1
L257
1 2
1.2nH
±0.2nH
0.6×0.3mm
12
L242
7.5nH
±5%
0.6×0.3mm
J200
A A
L202 0R
1 2
1
1
±5% 0402
C221
0402
NM
1 2
L218 0R
12
C220
NM
0402
PRx and Drx
R202 0R ±5%0201
SP4T_CTRL_1
1 2
o
B2
B34
B1
B3
5
4
4
6
H
L
L
H
3
GND
Hi-Band
5
GND
Lo-Band
DPX202700DT-4053A4
SP4T_CTRL_2
L
L
H
H
J201
1
1
J204
1
1
XM-217-XC-060-SP
J203
1
1
XM-217-XC-060-SP
12
R205
0R
±5%
0402
C209 NM
R200 NM
R203 NM
L200 NM
3
1 2
1 2
1 2
1 2
1 2
0201
0201
0201
0201
L278
0.6nH
±0.1nH
0.6×0.3mm
12
C358
NM
0201
FL216
SAFFB2G65AA0F0A
GND3
10
4
5
1
2
9
8
5
6
S202_NM
RF1
RF2
RF3
RF4
RFC
VCTL1
VCTL2
RF1694
12
L222
15nH
±3%
0.6mmx0.3mm
VREG_L16A_2P7
12
C225
NM
0201
4
VDD
7
GND
3
GND
Title
Title
Title
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
A2
A2
A2
Date: Sheet of
Date: Sheet of
Date: Sheet of
IN1OUT
2
GND1
3
GND2
o
GRFC_3<15>
o
GRFC_2<15>
2
A10
A10
A10
<Doc>
<Doc>
<Doc>
o
1
SAW_DRX_B7 <7>
P0
P0
4 41Thursday, December 10, 2015
4 41Thursday, December 10, 2015
4 41Thursday, December 10, 2015
P0
5
全系列小米电路图QQ909799940
D D
4
3
2
1
VPH_PWR VPH_PWR VPA
L237 22ohm
1 2
±25% 0201
C223 10uF
1 2
±20%
WTR0_ET_DAC_P<17>
C C
B B
WTR0_ET_DAC_M<17>
RFFE2_DATA<2,3,15>
RFFE2_CLK<2,3,15>
o
o
o
o
VPH_PWR
1 2
R211
NM
0201
040210V
L240 2.2uH
1 2
±20% 2.0×1.2mm
U201
14
BYP_BATT
10
BYP_LOAD
28
VDD_BUCK
27
GND_BUCK
7
AMP_INP
2
AMP_INM
26
SDATA
21
SCLK
13
PA_CTL
20
VSM_BOOST
19
USID_LSB
22
GND
24
GND_BOOST
QFE1100
VDD_BATT
VDD_BATT
VDD_AMP
VDD_1P8
VSW_BUCK
AMP_OUT
C_BUCK
C_BUCK
C_SW_BUCK
C_SW_BUCK
C_GSM
PA_VBATT
VOUT_BOOST
GND
GND_AMP
15
16
5
17
23
4
11
12
8
9
6
18
25
1
3
12
C217
10uF
+/-20%
6.3V
0402
VREG_S4A_1P8
C216
12
10uF
+/-20%
6.3V
0402
L223 1.5uH
1 2
±30% 2.5 ×2.0mm
R214 0R
1 2
±5% 0201
C226
12
22uF
0603
10V
±20%
C214 470pF
1 2
0201 25V
12
L239
22ohm
±25%
0201
+/-10%
12
R207
2.2R
±5%
0201
C215
12
22uF
0603
10V
VPA_GSM
±20%
C227
12
4.7U
0402
VPA_BATT
10V
±15%
A A
QFE1100
Title
Title
Title
A10
A10
A10
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
5
4
A3
Date: Sheet of
Date: Sheet of
3
2
Date: Sheet of
5 41Thursday, December 10, 2015
5 41Thursday, December 10, 2015
5 41Thursday, December 10, 2015
1
P0
P0
P0
5
全系列小米电路图QQ909799940
D D
4
3
2
1
1 2
R400
0R
±5%
0201
o
o
EXT_GPS_LNA_EN <15>
VREG_L32A_1P8
GNSS_INP <7>
1 2
R401
C411
12
C403
L408
1nF
+/-10%
6.8nH ±5%
12
12
0201
16V
1 2
L410
NM
0201
C412
NM
0201
OUT
GND3
0201
1 2
4
5
L411
NM
0201
BGU8019
12
FL400
C402 18pF
o
GPS_OUT<4>
C C
B B
1 2
5%
020150V
12
L406
47nH
47nH±5%
0201
1
IN
2
GND1
3
GND2
SAFFB1G56KB0F0A
12
C400
NM
0201
OUT
GND3
1
2
3
4
5
FL402
IN
GND1
GND2
SAFFB1G56KB0F0A
4
5
6
GNDRF
RF_IN
ENABLE
C413 18pF
U400
1 2
GND
VCC
RF_OUT
020150V
1
2
3
5%
12
L412
NM
0201
C414
12
1.2pF
0201
25V
+/-0.1pF
0R
1N
±5%
±10%
0201
25V
0201
12
L414 9.1nH±5% 0201
1 2
C408
100N
±20%
6.3V
0201
CLOSE TO ANTENNA
A A
GPS
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
5
4
A3
Date: Sheet of
Date: Sheet of
3
2
Date: Sheet of
6 41Thursday, December 10, 2015
6 41Thursday, December 10, 2015
6 41Thursday, December 10, 2015
1
P0
P0
P0
<15>
WTR3925
全系列小米电路图QQ909799940
1 2
1 2
GND
5
o
o
o
o
o
o
o
o
R302 0R
±5% 0201
o
+/-0.25pF
5
94
GND
87
GND
81
GND
17
GND
52
GND
37
GND
36
GND
61
GND
53
GND
54
GND
57
GND
82
GND
83
GND
26
GND
27
GND
71
GND
63
GND
41
GND
48
GND
38
GND
25
GND
31
GND
1 2
C360
22PF
+/-5%
DC 25V
CAP0201
1 2
C361
22PF
+/-5%
DC 25V
CAP0201
1 2
C308
22PF
+/-5%
DC 25V
CAP0201
1 2
C362
22PF
+/-5%
DC 25V
CAP0201
1 2
C363
22PF
+/-5%
DC 25V
CAP0201
1 2
C364
22PF
+/-5%
DC 25V
CAP0201
1 2
C355
22PF
+/-5%
DC 25V
CAP0201
1 2
R252
0R
±5%
0201
1 2
1 2
L262
1.5nH
±0.1nH
0201
1 2
R301 0R
±5% 0201
WTR0_TX_BB_IP<17>
WTR0_TX_BB_IM<17>
WTR0_TX_BB_QP<17>
WTR0_TX_BB_QM<17>
12
12
12
12
12
12
12
C302
NM
0201
C307
NM
0201
C334
1.5pF
+/-0.25pF
50V
0201
C316
1.8pF
+/-0.25pF
50V
0201
C235
1.8pF
+/-0.25pF
50V
0201
C309
1.5pF
±0.1pF
50V
0201
C349
1.2pF
+/-0.25pF
50V
0201
1 2
L300
13nH
±3%
0.6×0.3
1 2
L301
12nH
±3%
0.6mmx0.3mm
1 2
L302
4.1nH
±0.1nH
0.6×0.3
1 2
L253
3.9nH
±0.1nH
0.6mmx0.3mm
1 2
L234
4.3nH
±3%
0.6mmx0.3mm
1 2
L328
3.9nH
±0.1nH
0.6mmx0.3mm
1 2
L356
3.6nH
3.6nH±0.1nH
0201
1 2
L304
4.3nH
4.3nH±3%
0201
1 2
L305
3.0nH
3.0nH±0.1nH
0201
o
o
o
o
L293
L294
1 2
L295
1 2
L296
1 2
8.2nH
1 2
8.2nH
8.2nH±3%
8.2nH
8.2nH±3%
0201
8.2nH
8.2nH±3%
0201
8.2nH±3%
0201
0201
U300-5
3
GND
58
GND
56
GND
42
GND
72
GND
28
GND
84
GND
21
GND
91
GND
D D
C C
B B
A A
20
GND
90
GND
19
GND
89
GND
102
GND
55
GND
WTR3925
WTR_PRX_B8<2>
DUP_PRX_B5<2>
WTR_PRX_B2<2>
C326 1.5pF
0201 50V ±0.1pF
PRX_B34_B39<4>
WTR_PRX_B3<2>
WTR_PRX_B1<2>
DUP_PRX_B7<3>
SAW_PRX_B40<4>
SAW_PRX_B41<4>
C333 1.2pF
0201 50V
104
96
103
95
99
92
106
98
105
97
73
65
85
79
4
1 2
0201
50V
+/-0.25pF
U300-1
PRX_LB1
PRX_LB2
PRX_LB3
PRX_LB4
PRX_MB1
PRX_MB2
PRX_MB3
PRX_MB4
PRX_MB5
PRX_MLB6
PRX_HB1
PRX_HB2
PRX_HB3
PRX_HB4
WTR3925
4
C335
3.3pF
1 2
0201
50V
+/-0.25pF
C331
3.3pF
WTR0_XO_IN<27>
1 2
0201
50V
+/-0.25pF
WTR3925
PRX
C330
3.3pF
0201
50V
+/-0.25pF
PRX_CA1_QP
PRX_CA2_QP
WTR0_TX_FB_IP<17>
C329
WTR0_TX_FB_QP<17>
3.3pF
1 2
C324 1nF
o
PRX_CA1_IP
PRX_CA2_IP
RFFE1_DATA<15>
1 2
SAW_DRX_B41<4>
RFFE1_CLK<15>
020125V
C300
NM
0201
69
77
39
33
o
o
o
o
+/-10%
1 2
o
WTR0_PRX_CA1_IP <17>
o
WTR0_PRX_CA1_QP <17>
o
WTR0_PRX_CA2_IP <17>
o
WTR0_PRX_CA2_QP <17>
o
1 2
C319 1.2pF
0201 50V
3
WTR_TX_B40<2>
U300-3
76
TX_BB_IP
75
TX_BB_IM
68
TX_BB_QP
60
TX_BB_QM
9
TX_FB_IP
1
TX_FB_QP
47
RFFE_CLK
62
RFFE_DATA
46
XO_IN
WTR3925
SAW_DRX_B8<4>
SAW_DRX_B5<4>
SAW_DRX_B39<4>
SAW_DRX_B3<4>
SAW_DRX_B1<4>
1 2
R305 0R
±5% 0201
+/-0.25pF
3
C312 22PF
o
1 2
SAW_DRX_B7<4>
SAW_DRX_B40<4>
R303 0R
±5% 0201
CAP0201
+/-5%
L322
3.9nH
3.9nH±0.2nH
0201
WTR3925
TX
TX_HMLB1
TX_HMLB2
TX_FBRX_P
TX_FBRX_M
o
o
o
o
C321 1.5pF
0201 50V ±0.1pF
1 2
12
TX_LB1
TX_LB2
TX_LB3
TX_LB4
TX_HMB1
TX_HMB2
TX_HMB3
TX_HMB4
o
CAP0201 DC 25V
o
12
DC 25V
C317
12
0.6pF
±0.05pF
50V
0201
C346
1 2
2.7pF
C350
0201
NM
0201
50V
+/-0.25pF
66
59
51
44
101
100
93
86
80
74
8
16
C336
1 2
NM
0201
C340
1 2
NM
0201
C327 22PF
1 2
CAP0201 DC 25V
C373 22PF
1 2
1 2
C314
22PF
+/-5%
CAP0201
DC 25V
1 2
C325
22PF
+/-5%
DC 25V
CAP0201
o
1 2
C313
22PF
+/-5%
DC 25V
CAP0201
1 2
1 2
C323
22PF
+/-5%
DC 25V
CAP0201
L325 3.3nH
3.3nH±0.1nH 0201
+/-5%
12
L323
NM
0201
o
WTR_TX_LB1 <2>
o
WTR_TX_LB2 <2>
o
WTR_TX_B1_B2 <2>
o
WTR_TX_MB3 <2>
o
WTR_TX_MB4 <2>
o
WTR_RF_TX_FBRX_P <1>
o
WTR_RF_TX_FBRX_M <1>
1 2
12
C367
NM
0201
L314
1 2
12
NM
C341
0201
NM
0201
+/-5%
1 2
C328
12
0.5pF
±0.05pF
50V
0201
1 2
C320
L313
12
1.8pF
4.3nH
+/-0.25pF
±3%
50V
0.6mmx0.3mm
0201
1 2
C322
12
1.8pF
+/-0.25pF
50V
0201
1 2
C348
12
1.2pF
+/-0.25pF
50V
0201
1 2
1 2
12
L311
NM
0201
L303
4.3nH
±3%
0.6mmx0.3mm
L310
3.9nH
±0.1nH
0.6mmx0.3mm
L320
3.0nH
3.0nH±0.1nH
0201
L316
3.6nH
3.6nH±0.1nH
0201
L317
3.0nH
3.0nH±0.1nH
0201
3
1
5
2
S301
RF1
RF2
RFIN
BGS12PL6
2
4
VDD
6
CTRL
2
GND
C356 22PF
GNSS_INP<6>
1
VREG_L16A_2P7
o
12
o
GRFC_7 <15>
C351
12
100pF
0201
25V
5%
+/-5%
CAP0201DC 25V
CAP0201 DC 25V
U300-2
5
DRX_LB1
12
DRX_LB2
4
DRX_LB3
11
DRX_LB4
15
DRX_MB1
22
DRX_MB2
7
DRX_MB3
14
DRX_MB4
6
DRX_MB5
13
DRX_MLB6
43
DRX_HB1
50
DRX_HB2
29
DRX_HB3
35
DRX_HB4
2
DNC
10
GNSS_L1_IN
WTR3925
RTR8600
1 2
C354 22PF
12
L308
3.1nH
3.1nH±0.1nH
0201
Mode
ANT-Port1
ANT-Port2
WTR3925
DRX_GPS
12
3.3nH±0.1nH0201
+/-5%
DRX_CA1_QP
DRX_CA2_QP
GNSS_BB_QP
C352 33pF
L2563.3nH
12
Vdd
H
H
DRX_CA1_IP
DRX_CA2_IP
GNSS_BB_IP
GPDATA
1 2
C318
NM
0201
o
WTR_TX_B7 <3>
CTL
H
L
78
70
34
40
18
32
24
C359
22PF
CAP0201
DC 25V
+/-5%
5%
o
WTR_TX_B41 <2>
020125V
o
WTR0_DRX_CA1_IP <17>
o
WTR0_DRX_CA1_QP <17>
o
WTR0_DRX_CA2_IP <17>
o
WTR0_DRX_CA2_QP <17>
o
WTR0_GNSS_BB_IP <17>
o
WTR0_GNSS_BB_QP <17>
o
GSM_TX1_PHASE_D0
1 2
WTR3925L
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
A3
Date: Sheet of
Date: Sheet of
Date: Sheet of
7 41Thursday, December 10, 2015
7 41Thursday, December 10, 2015
7 41Thursday, December 10, 2015
1
P0
P0
P0
5
全系列小米电路图QQ909799940
D D
VREG_L1A_1P0
12
R306
0R
±5%
0201
4
3
2
1
12
C304
10uF
0402
6.3V
C C
B B
+/-20%
R307 0R
1 2
±5% 0201
12
12
12
12
12
C332
0.1uF
+/-10%
6.3V
0201
C301
0.1uF
+/-10%
6.3V
0201
C303
0.1uF
+/-10%
6.3V
0201
C305
0.1uF
+/-10%
6.3V
0201
C310
0.1uF
+/-10%
6.3V
0201
U300-4
88
VDD_RF1_TVCD
67
VDD_RF1_TSIG
45
VDD_RF1_DIG
64
VDD_RF1_RX1
49
VDD_RF1_RX2
WTR3925
WTR3925
PWR
VDD_RF2_LDO
VDD_RF2
VREG_S4A_1P8
C306 1uF 0402 6.3V +/-10%
1 2
23
30
C311
470nF
1 2
0201
6.3V
±10%
A A
RTR8600 BYPASS
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
5
4
A3
Date: Sheet of
Date: Sheet of
3
2
Date: Sheet of
8 41Thursday, December 10, 2015
8 41Thursday, December 10, 2015
8 41Thursday, December 10, 2015
1
P0
P0
P0
5
全系列小米电路图QQ909799940
4
3
2
1
TP501
U500-2
D D
C C
VDDIO_GPIO0 DOMAIN
VDDIO_GPIO1 DOMAIN
BT_WAKEUP_SLAVE
3D_FRAME_SYNC
WLAN_RF_KILL_L
VDDIO_GPIO2 DOMAIN
BT_WAKEUP_HOST
VDDIO_AO DOMAIN
QCA6174A
CLK_REQ_OUT
GPS_COEX
LTE_ACTIVE
PCM_SYNC
UART_TXD
UART_RXD
UART_CTS
UART_RTS
PCIE_RST_L
PCIE_WAKE_L
WLAN_LED
BT_RF_KILL_L
PCI_CLKREQ_L
CLK_REQ_IN
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
LTE_PRI
LTE_SYNC
PCM_IN
PCM_OUT
PCM_CLK
GPIO21
BT_LED
QOW
BT_EN
WL_EN
112
63
53
52
72
82
92
102
113
91
73
36
65
95
76
67
85
55
56
66
37
47
16
26
75
57
127
145
146
157
167
147
137
155
135
114
83
93
103
TP0.3mm
1
TP503
TP502
TP0.3mm
TP0.3mm
1
1
o
1
1
TP506
TP507
TP0.3mm
TP0.3mm
R520 0R ±5% 0201
1 2
TP504
TP0.3mm
o
TP505
TP0.3mm
1
1
o
o
VDD_1P8_WLAN
12
o
GPS_COEX <15>
o
LTE_PRI <15>
o
LTE_SYNC <15>
o
PCM_IN <15>
o
PCM_OUT <15>
PCM_SYNC <15>
o
PCM_CLK <15>
o
UART_TXD <14>
o
UART_RXD <14>
o
UART_CTS <14>
o
UART_RTS <14>
VDD_1P8_WLAN
32KHz_CLK_IN <12,28>
BT_EN <28>
WLAN_EN <15>
R536
NM
0201
VDD_1P8_WLAN
12
R503
10K
.01
0201
12
R504
10K
12
.01
R519
0201
10K
.01
0201
o
PCIE_RST_L <14>
o
PCIE_WAKE_L <14>
o
PCIE_CLKREQ_L <14>
o
MSM_LPASS_UART_TX <15>
o
MSM_LPASS_UART_RX <15>
NOTES:
1) Required pull-up and pull-down resistors at host for open drain signals
C501
0.1uF
0201
6.3V
U500-3
PCIE_TX_N
B B
PCIE BLOCK
A A
QCA6174A
PCIE_TX_P
PCIE_RX_N
PCIE_RX_P
PCIE_REFCLK_N
PCIE_REFCLK_P
15
5
3
13
14
4
165
NC1
154
NC2
1
GNDD
11
GNDD
43
GNDD
32
GNDD
12
GNDD
2
GNDD
34
GNDD
Note: Dedicated GND for pins 1, 11, 43,
32, 12, 2, and 34
5
+/-10%
1 2
1 2
C502 0.1uF
1 2
R506 15nH
15nH±5% 0201
1 2
R507 15nH
15nH±5% 0201
02016.3V +/-10%
+/-0.1pF
1 2
1 2
C505
3.9pF
0201
25V
R534
0R
±5%
0201
R535 0R
±5% 0201
12
12
+/-0.1pF
o
PCIE_RXN <16>
o
PCIE_RXP <16>
o
PCIE_REFCLKN <16>
o
PCIE_REFCLKP <16>
C561
3.9pF
0201
25V
4
12
L511
1.2nH
1.2nH±0.1nH
0201
C569
12
0.5pF
±0.05pF
50V
0201
o
o
12
L512
1.2nH
1.2nH±0.1nH
0201
C570
12
0.5pF
±0.05pF
50V
0201
PIN# NET NAME TYPE NOTES
PCIE_WAKE_L146 OD
Ext. pull-up to VDDIO_GPIO2 at host side
114 PCIE_CLKREQ_L OD Ext. pull-up to VDDIO_AO at host side
145 PCIE_RST_L OD Ext. pull-down to GNDat host side
PCIE_TXN <16>
157 WLAN_LED
PCIE_TXP <16>
BT_LED147
ODODExt. pull-up to VDDIO_GPIO2 at host side; otherwise short to GND
If used, ext. pull-up to VDDIO_GPIO2 at host side; otherwise short to GND
135 QOW If used, Ext. pull-up to VDDIO_GPIO2 at host side; otherwise short to GNDOD
2) For PCIE_REFCLKN/P, place the series resistors and shunt capacitors close to QCA61x4A-1
3) For PCIE_TXN/P, place C501 and C502 close to QCA6164A
BI/WIFI
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
A3
Date: Sheet of
Date: Sheet of
3
2
Date: Sheet of
P0
P0
9 41Thursday, December 10, 2015
9 41Thursday, December 10, 2015
9 41Thursday, December 10, 2015
1
P0
5
全系列小米电路图QQ909799940
4
3
2
1
VDD_3P3
C503
12
10U
±20%
4V
0402
D D
C504
10U
±20%
4V
0402
VDD_1P8_WLAN
3P3_ENABLE<28>
C506
0.1uF
0201
6.3V
1 2
+/-10%
1 2
C507
0.1uF
0201
6.3V
+/-10%
VDD11_PCIE DVDD11
VREG_S4A_1P8
R516 0R ±5% 0201
1 2
12
C C
CAPS close to QCA61x4A chip
VDD_1P8_WLAN VDD_1P8_WLAN VDD_1P8_WLAN
C537
0.1uF
0201
6.3V
1 2
+/-10%
CLS2pin25 CLS2pin23 CLS2pin115
VDD_3P3 VDD_3P3 VDD_3P3 AVDD11
1 2
C508
0.1uF
0201
6.3V
+/-10%
1 2
C510
0.1uF
0201
6.3V
+/-10%
CLS2pin89&90&80 CLS2pin161 CLS2pin171 CLS2pin138
B B
AVDD11 VDD_3P3 VDD_3P3AVDD11 AVDD11
1 2
C513
0.1uF
0201
6.3V
+/-10%
1 2
C514
0.1uF
0201
6.3V
+/-10%
1 2
C515
0.1uF
0201
6.3V
+/-10%
CLS2pin121,151 CLS2pin41,71 CLS2pin158 CLS2pin79 CLS2pin28
AVDD11 AVDD11 AVDD11_VCO AVDD11 AVDD11
1 2
C518
0.1uF
0201
6.3V
+/-10%
1 2
C519
0.1uF
0201
6.3V
+/-10%
1 2
CLS2pin39,59 CLS2pin169,170 CLS2pin88 CLS2pin70
A A
AVDD11 VDD_3P3
1 2
C524
0.1uF
0201
6.3V
+/-10%
1 2
C525
0.1uF
0201
6.3V
+/-10%
CLS2pin98,119 CLS2pin108
5
o
12
1 2
C520
0.1uF
0201
6.3V
+/-10%
12
12
C521
1U
±10%
16V
0402
C511
0.1uF
0201
6.3V
+/-10%
C538
22uF
±20%
10V
0603
R524
NM
0201
VPH_PWR
12
R526
0R
±5%
0402
A1
B1
12
C1
R523
100K
±5%
0201
D1
D2
D3
12
R522
NM
0201
C583
0.1uF
0201
6.3V
1 2
+/-10%
12
C522
4.7uF
+/-20%
6.3V
0402
C516
0.1uF
0201
6.3V
1 2
+/-10%
R510 0R±5%0201
1 2
CLS2pin10&9
S501
RP602Z330C
PVI N
PVI N
PVI N
AVIN
CE
MODE
D4
C584
0.1uF
0201
6.3V
1 2
+/-10%
1 2
C517
0.1uF
0201
6.3V
1 2
+/-10%
VDD_3P3
C566
0.1uF
0201
6.3V
1 2
+/-10%
A2
BULX
B2
BULX
C2
BULX
C4
BOLX
A4
BOLX
B4
BOLX
A5
VOUT
C5
VOUT
B5
VOUT
D5
VFB
PGND
PGND
PGND
AGND
A3
B3
C3
AVDD11 AVDD11
CLS2pin59 CLS2pin98
C512
0.1uF
0201
6.3V
+/-10%
12
C523
1uF
+/-20%
DC 6.3V
CAP0201
4
1 2
C564
0.1uF
0201
6.3V
+/-10%
L501
1.5uH
±20%
2.5×2.0mm
1 2
C540
12
22uF
±20%
10V
0603
C565
0.1uF
0201
6.3V
1 2
+/-10%
U500-4
VDD_3P3
POWER
142
GND
122
GND
62
GND
42
GND
172
GND
141
GND
100
GND
61
GND
20
GND
110
GND
30
GND
130
GND
109
GND
50
GND
29
GND
159
GND
129
GND
69
GND
49
GND
38
GND
17
GND
168
GND
148
GND
99
GND
19
GND
128
GND
107
GND
87
GND
68
GND
77
GND
45
GND
74
GND
136
GND
116
GND
84
GND
24
GND
22
GNDD
48
GND
156
GND
64
GND
QCA6174A
VOLTAGE SELECTION
Voltage
Domain
VDDIO_GPIO1
VDDIO_GPIO2
VDDIO_AO 1.8V
VDD33_WL_2GPA_0
VDD33_WL_5GPA_0
VDD33_WL_5GPADRV_0
VDD33_WL_2GPA_1
VDD33_WL_5GPA_1
VDD33_WL_5GPADRV_1
VDD33_WL_SYNTH
VDD33_BB_0
VDD33_BB_1
VDD33_BT_PA
VDD11_WL_LNA_0
VDD11_WL_2GPA_0
VDD11_LO_0
VDD11_WL_LNA_1
VDD11_WL_2GPA_1
VDD11_LO_1
VDD11_WL_BB_0
VDD11_WL_ADDAC_0
VDD11_WL_BB_1
VDD11_WL_ADDAC_1
VDD11_WL_VCO
VDD11_WL_SYNTH
VDD11_BT_BB
VDD11_BT_ADDAC
VDD11_BT_PLL
VDD11_BT_SYNTH
VDD11_PCIE
VDDIO_GPIO0
VDDIO_GPIO1
VDDIO_GPIO2
VDDIO_GPIO0
VDDIO_XTAL
QCT Platform
Voltage Config
3.3VVDDIO_GPIO0
1.8V
1.8V
1.8VVDDIO_XTAL
3
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD11D
VDD_3P3
161
90
89
80
10
9
79
108
28
171
AVDD11
121
151
120
41
71
40
98
AVDD11_VCO
119
59
AVDD11
39
88
70
AVDD11
170
169
138
158
DVDD11
117
96
106
86
126
105
46
115
94
35
125
104
VDD11_PCIE
25
DVDD11
23
33
44
27
166
54
7
C526
12
1uF
±20%
16V
0201
Non-QCT Platform
Voltage Config
3.3V
1.8V/3.3V
1.8V/3.3V
1.8V/3.3V
1.8V
C529
0.1uF
0201
6.3V
1 2
+/-10%
R512 0R ±5% 0201
R513 0R ±5% 0201
C530
0.1uF
0201
6.3V
1 2
+/-10%
VDD_1P8_WLAN
VREG_L30A_1P8
Note: Isolate REG33_GND and SWREG_GND
AVDD11
1 2
1 2
133
143
2
U500-5
PMU BLOCK
GND_REG33
GND_SWREG
QCA6174A
153
VBATT
REG33_FB
144
164
163
C528
12
1UF
Place C528 close to pin 163
±20%
6.3V
0201
L510 1.5uH ±20% 2016
152
1 2
Note: For C531 ,
provide dedicated
GND close to pin 152
132
C533
12
Place C533 close
1uF
to pin 132 pin
±20%
16V
0201
123
C534
12
1uF
±20%
16V
0201
124
C535
12
1uF
±20%
16V
0201
134
C536
12
1uF
±20%
16V
0201
1
VDD_3P3
C527
12
4.7uF
+/-20%
6.3V
0402
12
10 41Thursday, December 10, 2015
10 41Thursday, December 10, 2015
10 41Thursday, December 10, 2015
C531
47uF
+/-20%
6.3V
0603
DVDD11
AVDD11
VDD_1P8_WLAN
REG33_GATE
SWREG_IN
SWREG_OUT
SWREG_FB
VDD11A_PM_OUT
VDDIO_AO_IN
VDD11_AO_PM_OUT
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc>
A3
<Doc>
A3
<Doc>
A3
Date: Sheet of
Date: Sheet of
Date: Sheet of
P0
P0
P0
5
全系列小米电路图QQ909799940
U500-1
162
o
WL_BT_RFIO_2G_0
WL_xPA_2G_0
WL_RFIO_5G_0
WL_xPA_5G_0
D D
WL_RF_PDET_IN_0
WL_RFIO_2G_1
WL_xPA_2G_1
WL_RFIO_5G_1
WL_xPA_5G_1
WL_RF_PDET_IN_1
FEM_CTRL_0
FEM_CTRL_1
FEM_CTRL_2
FEM_CTRL_3
C C
XPABIAS2_0
XPABIAS5_0
XPABIAS2_1
XPABIAS5_1
XTAL & RADIO
QCA6174A
B B
A A
VDD_3P3
VDD_3P3
50_WL_RFIO_5G_0<11>
50_WL_BT_RFIO_2G_0<11>
CLK_OUT
XTALI
XTALO
C547
12
4.7uF
+/-20%
6.3V
0402
C545 4.7P 0201
o
50V ±0.25pF
131
101
111
140
81
51
21
31
60
160
150
139
149
118
97
78
58
6
8
18
C548
12
1uF
±20%
16V
0201
12
5
50_WL_BT_RFIO_2G_0 <11>
o
50_WL_RFIO_5G_0 <11>
o
50_WL_TX_5G_0 <11>
o
50_WL_RF_PDET_IN_0 <11>
o
50_WL_RFIO_2G_1 <11>
o
50_WL_RFIO_5G_1 <11>
o
50_WL_TX_5G_1 <11>
o
50_WL_RF_PDET_IN_1 <11>
o
FEM_CTRL_1 <11>
o
FEM_CTRL_3 <11>
o
XPABIAS5_0 <11>
o
XPABIAS5_1 <11>
Y501
1
1
3
224
48MHZ,CX2016DB48000C0WPLA2
4
1 2
C546
12
1N
±10%
25V
0201
C543
12
1N
±10%
25V
0201
12
C544
NM
0201
o
1 2
L520
1.5nH
±0.1nH
0201
3
L513
9.1nH
9.1nH±3%
0201
12
10
11
12
14
17
C552
0.3pF
±0.05pF
50V
0201
VDD_3P3
VDD_3P3
50_WL_RFIO_5G_1<11>
50_WL_RFIO_2G_1<11>
VCC
VCC
4
VCC
2
RX
5
PDET
1
GND
3
GND
7
GND
GND
GND
GND
LNA_EN
RFFM8528
12
L509
NM
0201
C555
12
12
4.7uF
+/-20%
6.3V
0402
C559 4.7P 0201
o
50V ±0.25pF
U501
9
VMODE
13
ANT
8
TX
15
NC
16
6
PA_EN
4
12
4
C556
1uF
±20%
16V
0201
o
2
3
FL502
885033
1 2
C557
12
1N
±10%
25V
0201
C558
12
1N
±10%
25V
0201
12
C571
NM
0201
1 2
L522
0.8nH
±0.1nH
0201
C549
2.2pF
+/-0.25pF
50V
0201
1 2
0201 50V +/-0.25pF
12
C541
0.5pF
0201
50V
±0.05pF
IN1OUT
GND3
GND1
GND2
L515
9.1nH
9.1nH±3%
0201
10
11
4
2
5
1
3
7
12
14
17
C580
12
0.6pF
±0.05pF
50V
0201
12
C562
NM
0201
12
L503
NM
0201
L506
1.8nH
1.8nH±0.1nH
0201
1 2
1 2
C509 2.2pF
4
12
5
L507
NM
0201
VCC
VCC
VCC
RX
PDET
GND
GND
GND
GND
GND
GND
RFFM8528
o
50_WL_TX_5G_0 <11>
o
FEM_CTRL_1 <11>
o
XPABIAS5_0 <11>
C560 1.5pF
1 2
0201
12
C550
NM
0201
12
U503
VMODE
LNA_EN
PA_EN
L521
NM
0201
50V
±0.1pF
ANT
TX
NC
J502_NM
1
J506
1
12
L514
3.3nH
0201
3.3nH±0.1nH
9
13
8
15
16
6
1
1
FL501
3
Hi-Band
4
Lo-Band
50_WL_RF_PDET_IN_0<11>
3
C572
33pF
5%
50V
0201
1 2
C574
3.0pF
0201
25V
+/-0.1pF
12
C575
NM
0201
FL504
885033
IN1OUT
2
GND3
GND1
3
GND2
1
Common
2
GND
LFD152G45MU7E010TEMP
o
3
12
C573
NM
0201
12
L516
NM
0201
L517
1 2
1 2
1.4nH
1.4nH±0.1nH
0201
4
12
5
9.1nH±3%
J504_NM
1
1
J505
1
1
C539 18PF
1 2
CAP0201DC 25V
o
50_WL_TX_5G_1 <11>
o
FEM_CTRL_3 <11>
o
XPABIAS5_1 <11>
L524
9.1nH
0201
+/-5%
12
L508
2.0nH
2.0nH±0.2nH
0201
C553
10P
0201
25V
1 2
±0.5pF
12
R528
NM
0201
C578
1.8pF
±0.1pF
50V
0201
1 2
12
C579
NM
0201
12
L525
NM
0402
12
L531
NM
0402
U502
4
IN
1
CPLD
TFSC06054125-2120A1
2
FL503
3
Hi-Band
4
Lo-Band
LFD152G45MU7E010TEMP
50_WL_RF_PDET_IN_1<11>
12
L523
±5%
6.8nH
0201
R501 0R
1 2
±5% 0402
L401 0R
1 2
±5% 0402
3
OUT
2
50_OHM
2
1
Common
2
GND
12
L528
NM
0402
12
C554 10P 0201
1 2
25V ±0.5pF
12
R532
49.9R
.01
0201
1
L529
1 2
12
1.1nH
1.1nH±0.2nH
0201
o
1 2
R509 0R
±5% 0402
L530
NM
0402
12
L505
NM
MM8030-2610B
0201
R508
NM
0402
1 2
L518
NM
0201
U504
4
IN
1
CPLD
50_OHM
C577
10P
0201
25V
±0.5pF
R505
NM
0201
3
GND
1
IN
OUT
GND
4
Title
Title
Title
X7
X7
X7
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc> P0
A3
<Doc> P0
A3
<Doc> P0
A3
Date: Sheet of
Date: Sheet of
Date: Sheet of
1 2
12
J500
TFSC06054125-2120A1
3
J503
2
OUT
4
2
12
L504
NM
0402
GND
IN
GND
MM8030-2610B
R514
1 2
0R
±5%
0402
OUT
1
C576 10P 0201
3
1 2
2
25V ±0.5pF
12
12
1
R540 0R
±5% 0402
L502
NM
0402
R502
49.9R
.01
0201
1 2
11 41Thursday, December 10, 2015
11 41Thursday, December 10, 2015
11 41Thursday, December 10, 2015
12
L519
NM
0201
J510
1
1
12
L540
NM
0402
J511
1
1
5
全系列小米电路图QQ909799940
D D
C C
FM_RESET_N<14>
APPS_I2C11_SCL<14,15,22>
APPS_I2C11_SDA<14,15,22>
32KHz_CLK_IN<9,28>
o
FM_RX_ANT<35>
o
o
o
o
12
L1104
NM
0201
C1684
1 2
NM
0201
4
U1509_NM
2
FMI
4
LPI
5
RSTB
6
SENB
7
SCLK
8
SDIO
9
RCLK
3
RFGND
12
GND
21
12
L1105
NM
0201
GNDP
Si4705-D50
GPO3/DCLK
NM
ROUT
LOUT
DOUT
DFS
GPO2/INT
GPO1
NC1
NC2
VD
VA
3
VREG_S4A_1P8 VPH_PWR
10
11
13
14
15
16
17
18
19
1
20
12
C1683
C1686
NM
NM
1 2
0201
0201
R529
R530
1 2
R531
1 2
1 2
NM
NM
0201
NM
0201
0201
2
o
FM_I2S_DATA <14>
o
FM_I2S_SYNC <14>
o
FM_I2S_CLK <14>
o
FM_INT_N <14>
o
FM_STATUS <14>
12
C1685
NM
0201
1
B B
A A
Title
Title
Title
X11
X11
X11
Size Document Number Rev
Size Document Number Rev
Size Document Number Rev
<Doc> P0
A3
<Doc> P0
A3
<Doc> P0
A3
5
4
Date: Sheet of
Date: Sheet of
3
2
Date: Sheet of
12 40Thursday, December 10, 2015
12 40Thursday, December 10, 2015
12 40Thursday, December 10, 2015
1
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