K850
1203-2528 rev. 1
MEASUREMENT POINTS
Power Regulators & Charging
ME
A
S
U
R
EMEN
T
P
O
IN
T
S
Made for
Document Nr
Revision
<NM>
V2200
1
2
AC
100nF
C2201
<NM>
DCIO
100nF
C2204
47pF
C2207
16V
100nF
C2210
22pF
C2211
3.3pF
C2212
1
2
ST2202
1
2
ST2204
4.7uF
C2213
2.2uF
C2214
2
1
ST2203
1uF
C2216
1uF
C2218
10uF
C2219
100nF
C2220
100nF
C2221
10uF
C2222
1
2
ST2206
VMC28
ST2208
2
1
VBACKUP
VBATI
VAUDIO26
VBUS
4.7uF
C2200
VCORE12
1uF
C2223
VOPTO30
TP2203
TP2200
TP2201
TP2202
1000-0335
C2217
7uAh
+
VANA25
VDDE18
1
2
ST2210
100nF
C2226
4.7uF
C2202
R1115Z301D
1000-8623
2
1
4
3
N2201
3V
CE
OUT
GND
IN
AB3100
1000-8142
N2000
B1
C1
N14
M13
F14
D1
K14
B12
D13
M14
L14
L13
G13
G14
L12
N12
E1
BUCK REGULATOR
Ericsson AB 3100
POWER
LDO REGULATORS
LDOD_OUT
LDOG_OUT
VBAT_B
1.5 - 2.85V
2.65V
0.9 - 2.8V
1.05 - 2.5V
VBAT_E
LDOF_OUT
LDOE_OUT
LDOK_OUT
LDOH_OUT
VBAT_F
1.2 - 2.75V
1.8 - 2.75V
VBAT_G
LDOC_OUT
2.65V
LDOLP_OUT
LPREG
VBAT_C
MOD1
BUCK_FB
VBUCK
VSS_BUCK
Buck
0.9 - 1.8V
5%
LDOG
LDOD
LDOF
LDOH
LDOK
LDOC
LDOE
2V
AB3100
1000-8142
N2000
G1
E2
F3
2
F
2
G
J14
J13
J2
F1
H1
H2
H3
A11
CHSENSEP
CHSENSEN
FGSENSEN
FGSENSEP
VBAT_D
BDATA
Ericsson AB 3100
POWER
BATTERY UART
TRICKLE
CHREG
VBUS
DCIO
VBAT_H
DCIO_INT
VDD_REF
FUEL GAUGE
CHARGER CONTROL
AB3100
1000-8142
N2000
A13
A12
D12
A2
B10
A14
VDD_IO
REF
TEST
IO LEVELS
Ericsson AB 3100
POWER
TEST
VREF
IREF
SPARE1
SPARE2
1
2
ST2212
1
2
ST2213
1
2
ST2214
VDIG
VBEAR26
2.2uF
C2205
1uF
C2215
VccA
1
2
ST2215
2.2uF
C2230
AB3100
1000-8142
C12
K13
K12
N2000
2.8V
RADIO
Ericsson AB 3100
POWER
VBAT_A
LDOA_OUT
EXT_LDO
LDOA
VCC_WPA
DCDC_EN
100nF
C2229
10uF
C2233
6.3V
22pF
C2231
22pF
C2237
<NM>
100nF
C2232
100nF
C2234
100nF
C2236
4.7uF
C2235
1uF
C2208
VBT27
FDMA1027P
1200-0145
6
7
2
1
V2202
1
S
G
D
D
FDMA1027P
1200-0145
3
8
5
4
V2202
1
G
S
D
D
VCORE18
10uF
C2240
WPAVCC
REDLED
2.2uF
C2209
2.2uF
C2225
1uF
C2242
ST2201
1
2
1000-8911
X2200
1
2
3
2.2uF
C2224
10uF
C2239
10uF
C2243
1
ST2217
2
1000-0087
V2207
Leadfree
SP2137
VDD_LP
MAX8640Y-1.8
1200-6420
1
1
3
4
5
2
N2202
6
IN
MAX8640
GND2
GND5
LX
OUT
SHDN
2
1
ST2218
2
1
ST2219
100nF
C2244
LM3208TL
1001-0868
C1
C3
A2
C2
B1
A1
B3
A3
N2205
1
VCON
EN
PVIN
VDD
PGND
SGND
SW
FB
DCDC_COM
DCDC_IO
100mohms
R2201
100Kohms
R2203
4.7Kohms
R2204
BLM18PG121SN1
1000-0118
L2201
100Kohms
R2206
0ohms
R2221
100Kohms
R2220
25mohms
R2200
0ohms
R2207
220
L2210
100MHz
2.2uH
1
L2203
4.7uH
L2200
1
3.3uH
L2207
1
1uF
C2241
25V
BDATA
VBATI
VBATI
VBATI
OPTO_EN
VOPTO30
VOPTO30
VCORE12
VAUDIO26
VDIG
VBEAR26
VccA
VDD_A
VBATI
DCDC_EN
VCC_WPA
VDDE18
VANA25
VDDE18
VBT27
VMC28
DCIO
VCORE18
WPAVCC
VBUS_VERA
VBATI
REDLED
VCORE18
VBATI
VANA25
FGSENSEP
FGSENSEN
Vref for JTAG. Placed close to
the rest of the JTAG signals.
All return current will go
through this way thick wires
and also alot of vias.
Close to N2000
Please note that V2202 requires
an heatsink area of 1square inch
to get sufficient heat transportation
from the charge switch
Local ground plane
Connect local ground plane to
main ground plane in one point only
Use multiple vias
Local groundplane on L2 and L3
connect to main ground plane
in one point with multiple vias.
PA Power Supply
Radio Power Supply
C2218 close
to N2000
FG sense lines, pin F11 and F12 on N2000,
should be routed together and connected
directly to pads for R2200 (no
current conducting via allowed between
connection point and pad).
Charge sense lines, pin D2 and D3 on
N2000, should be routed together and
connected directly to pads for R2201
(no current conducting via allowed
between connection point and pad).
Space for cooling
as large as possible
Place C2200 and C2202
close to N2000
Place C2210
close to N2000
Mount C2211 and C2212
close to battery connector
Use multiple vias and
copper plane heat sink
Place C2207
close to N2000
0402 place-holder for
ferrite if nedded &
current measurements.
Local Groundplane
Application & System Performance
Power Regulators & Charging
1200-1887 Page 6
3
MP 41
Page 25
MP 81
Page 26
MP 84
Page 26
MP 83
Page 26
MP 80 Page 26
MP 12
Page 25
MP 79
Page 26
MP 33
Page 25
MP 55
Page 25
MP 29
Page 25
MP 157
Page 26
MP 161
Page 26
MP 39
Page 25
MP 44
Page 25
MP 40
Page 25
MP 47
Page 25
MP 48
Page 25
MP 24
Page 25
MP 56
Page 25
MP 57 Page 25
MP 36 Page 25
MP 22
Page 25
MP 7
Page 25
MP 14 Page 25
MP 11 Page 25
MP 16 Page 25
MP 17 Page 25
MP 9 Page 25
MP 34 Page 25
M
P 1
5 P
ag
e 2
5
M
P 10 P
ag
e 2
5
M
P 1
3 P
ag
e 2
5
MP 3
Page 25
MP 8
Page 25
SEMC Troubleshooting Manual
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