Xiaomi Redmi K40 Pro Schematics

5
4
3
2
1
ANT_MAIN_MHB
D D
J0123
1
1 2
1
2
2
A0137 100pF 0201
50V 5%
818017540
C C
A0107
12
100pF ±5% 50V 01005
12
A0108 12nH ±3% 0201
S0102
2
RF1
1
RF2
11
RF3
10
RF4
4
GND
9
GND
QM13025
A0113 1.1nH ±0.1nH 0201
A0112 3.9nH ±0.1nH 0201
A0114 7.5nH ±3% 0201
VIO
ID0
SCLK
SDATA
NC1 NC2
1 2
1 2
1 2
7
8
5
6
3 12
o
SM_RFFE1_CLK
o
SM_RFFE1_DATA
A0115
12
100pF
5% 50V 0201
S0100
RF1
RF2
RF3
RF4
GND
QM13344TR13
SCLK
SDATA
4
VIO
3
ID
2
1
5
GND
9
8
7
6
10
12
A0111
2.4nH ±0.1nH 0201
12
1 2
A0131 33pF 5% 0201 50V
A0138
100pF
0201
50V
±2%
12
R0100 10K ±5% 01005
12
R0101 470K ±5%
0201
o
SM_RFFE1_CLK
o
SM_RFFE1_DATA
A0132
12
33pF 5% 0201 50V
J0103
2
818002131
1
4
GND1
SIG.
GND4
GND2
3
C0100
12
100pF ±5% 50V 01005
o
ANT1_WAKEUP
ANT_MAIN_LB
B B
J0102
1
1
818013242 J0105
1
818013242
o
SAR_SENSOR1
A A
1 2
A0140
180nH
±5%
0201
A0106
1
1 2
100pF 01005 50V ±5%
A0118 1.5pF 0201 25V ±0.1pF
12
A0117 1.1pF 01005 50V ±0.1pF
A0141 100nH
A0116 0.7pF 01005 50V ±0.05pF
0201 ±5%
1 2
1 2
1 2
1 2
A0119
0.5pF
01005
50V
±0.05pF
9
8
7
6
10
S0101
RF1
RF2
RF3
RF4
GND
QM13344TR13
SCLK
SDATA
4
VIO
3
ID
2
1
5
GND
A0134
12
33pF 5% 0201 50V
o
SM_RFFE1_CLK
o
SM_RFFE1_DATA
A0133
12
33pF 5% 0201 50V
SAR sensor K11_SMT K10_NM
o
SAR_SENSOR1
A0143 NM 0201
1 2
A0142 NM 0201
1 2
12
A0105 NM
0201
U0100_NM
B2
VDD
NIRQ
A3
SCL
CS0
B4
SDA
CS1
B3
GND
CS2
SX9325
VREG_L8C_1P8
A2
A1
B1
A4
12
A0102 NM
o
o
0201
SSC_SENSOR_I2C_SCL
SSC_SENSOR_I2C_SDA
J0101
1
1
2
2
XM-217-XC-167-SP
5
4
3
2
5
4
3
2
1
HAPTICS
o
HAP_OUT_P
o
HAP_OUT_M
D D
C0209
12
100pF 5% 0201 50V
C C
C0213
0201
C0210
12
100pF 5% 0201 50V
J0201
1
1
2
12
2
818012934
NM
J0200
1
1
2
2
818012934
MAIN MIC
B B
CDC_MIC1_P
o
CDC_MIC1_N
o
A
WCD_MIC_BIAS1
R0203 0R
R0204 0R
C0216 100nF
+/-10%
6.3V 0201
1 2
1 2
12
±5%
0201
±5%
0201
SH0200
1
MAINMIC-SHIELDING_k11
K11 MIC SPV6842LR5H-1 K10 MIC S15OB381-050
C0212
12
33pF 5% 50V 0201
L0200
1
1 2
180nH
2
±5%
0201
C0215
12
33pF
0201
50V
5%
1
U0200
VDD
OUTPUT
S15OB381-050
SPK2
1 2
J0202
1
3
GND
12
R0202 0R ±5% 0201
SH0201_NM
1
1
SEMTECH-SHIELDING_K11
1
2
2
XM-217-XC-167-SP
J0203
1
1
2
2
XM-217-XC-167-SP
CR0203_NM
1 2
ESD9N18BA-2/TR
CR0202_NM
1 2
ESD9N18BA-2/TR
R0200 100R±5% 0201
R0201 100R±5% 0201
1 2
o
SPKR2_SNS_P
o
SPKR2_OUT_P
C0211
12
100pF
22DJ1HA10200
0201 50V 5%
o
SPKR2_SNS_N
o
SPKR2_OUT_N
C0214
12
100pF
22DJ1HA10200
0201 50V 5%
5
4
3
2
5
D D
4
3
2 1
o
USB_VBUS_CONN
CONN_THERM
12
RT0300 100K ±1% 0201
C C
CR0304
ESD56161D24-3/TR
Close to Type-C CONN
o
USB_CC1
USB_SBU1
SBU1_SENSE
UART_TX
o
o
o
W0300
o
112
SHORT
R0300
o
1 2
NM
0201
3
o
1
2
USB_HS_DP_RIGHT
USB_HS_DN_LEFT
B B
DEBUG_UART_TX
NLAS3257CMX2TCG
A
5
C0305
C0302
12
23
1
12
1nF ±10% 50V 0201
2
2
CR0302_NM
2
ES15DFCX
1
CR0303
1
ES15DFCX
S0301_NM
5
B0
VCC
6
B1
S
4
GND
A
VREG_BOB
4
150pF +/-10% 25V 0201
2
1
C0301
12
C0300
100nF
12
33pF
±10% 25V
0201
0201
50V
5%
J0300
A4
VBUS1
A5
CC1
A6
Dp1
A7
Dn1
A8
SBU1
A1
12
C0303
2
10nF
1
o
SBU_UART_EN
o
UART_TX
0201
16V
+/-10%
GND1
GND2G1GND6 GND3G3GND7 GND4G5GND8
UAF05-16174-9506
VBUS2
SBU2
GND5
B4
B5
CC2
B6
Dp2
B7
Dn2
B8
B1
G2 G4 G6
3
CR0300 ES15DFCX
2
2
1
1
CR0301 ES15DFCX
2
12
2
1
1
C0304 10nF
+/-10%
o
USB_CC2
o
USB_HS_DP_RIGHT
o
USB_HS_DN_LEFT
o
W0301
SHORT
0201
16V
USB_SBU2
o
2
SBU2_SENSE
112
5
D D
4
3
2
1
C0400
12
VREG_BOB
VREG_L8C_1P8
C C
100pF 5% 50V
HAP_OUT_P
0201
ANT1_WAKEUP
SM_RFFE1_DATA SM_RFFE1_CLK
SBU_UART_EN
DEBUG_UART_TX
SSC_SENSOR_I2C_SDA
SSC_SENSOR_I2C_SCL
USB_CC1 USB_CC2
SPKR2_SNS_P SPKR2_OUT_P
o
o
o o
o
o
o
o
o
o
o o
J0401
1
1
3
3
5
5
7
7
9
9
11
11
13
13
15
15
17
17
19
19 212122 232324 252526 272728 292930 313132 333334 353536 373738 393940
USB_VBUS_CONN
G1
G3
2 4
GND2G2GND1
GND3
6
8 10 12 14 16 18 20
GND4G4GND5G5GND6
WCD_MIC_BIAS1
o
2
HAP_OUT_M
4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
o
CDC_MIC1_P
o
CDC_MIC1_N
o
CONN_THERM
o
SBU2_SENSE
o
USB_SBU2
o
USB_SBU1
o
SBU1_SENSE
o
SPKR2_SNS_N
o
SPKR2_OUT_N
[3,7]
[3]
o
USB_HS_DP_RIGHT [3]
o
USB_HS_DN_LEFT [3]
G6
BAF92-40073-0508
B B
A A
5
4
3
2
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