C903
1228-1147 rev. 1
MEASUREMENT POINTS
Power - Regulators & Charging
ME
A
S
U
REMEN
T
P
O
IN
T
S
Made for
Document Nr
Revision
Application & System Performance
Power - Regulators & Charging
VERA_VREF
VERA_IREF
SWBUCK
VCORE12
VCORE12
VBATC
VAUDIO26
VAUDIO26
VBT27
VBT27
VDIG
VDIG
VBEAR26
VBEAR26
VDDE18
VDDE18
VANA25
VANA25
DCIO_INT
VCORE18
CHREG_GATE
DCIO
DCIO
BDATA
CHLED
VMC18
CHSENSEP
VBUS_INT
VBUS_INT
VDD_LP
VBACKUP
FGSENSE-P_BATNEG
FGSENSE-P_BATNEG
VBAT
VBAT
VBAT
VDDE18
DCIO
VMC18
VBAT
VAUDIO26
VBUS_INT
VANA25
VDDE18
VDIG
VBEAR26
VANA25
VDDE18
VBT27
FDMA1027P
7
6
2
1
V2202
1200-0145
D
D
G
S
FDMA1027P
3
8
5
4
V2202
1200-0145
D
D
S
G
VCORE18
V2201
1000-0087
VBAT
VANA25
MAX8640Y-1.8
MAX8640
1
3
4
5
2
N2200
1200-6420
R State = 1
SHDN
OUT
LX
GND5
GND2
MAX8640
IN
6
AB3100
A11
H3
H2
H1
F1
J2
J13
J14
F2
G2
F3
E2
G1
N2000
1202-0639
R State = 2
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
A14
B10
A2
D12
A12
A13
N2000
1202-0639
R State = 2
VDD_IO
REF
TEST
IO LEVELS
Ericsson AB 3100
POWER
TEST
VREF
IREF
SPARE1
SPARE2
AB3100
E1
N12
L12
G14
G13
L13
L14
M14
D13
B12
K14
D1
F14
M13
N14
C1
B1
N2000
1202-0639
R State = 2
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
C2227
1000-0048
100nF
C2225
1000-0067
47pF
C2223
1000-0048
100nF
C2202
1000-0049
22pF
C2203
1000-0064
3.3pF
C2206
1000-0039
4.7uF
C2209
1000-6901
2.2uF
C2208
1000-0051
1uF
C2213
1000-0051
1uF
C2217
1000-0061
10uF
C2219
1000-0061
10uF
C2205
1000-0039
4.7uF
C2211
1000-0051
1uF
C2226
1000-0051
1uF
C2228
1000-0061
10uF
C2231
1000-0061
10uF
C2218
1000-0061
10uF
C2207
1000-6901
2.2uF
C2212
1000-6901
2.2uF
C2224
1000-0051
1uF
C2210
1000-6901
2.2uF
4u7
L2200
1200-2190
L2202
1200-2028
2.2uH
R2201
1000-4666
100mohms
1%
R2203
1000-0376
100Kohms
R2200
1000-0246
25mohms
L2201
1000-0118
C2216
1000-0048
100nF
C2220
1000-0048
100nF
1000-0039
C2204
4.7uF
DF2S6.8FS
V2200
1000-0282
<NM>
C
A
TP2204
TP2202
TP2201
CHLED
C2222
1000-0076
25V
1uF
VCORE12
VBACKUP
R2260
1000-0249
4.7Kohms
220uF
C2214
1205-9750
+
X2201
1
2
3
4
5
Z1
Z2
Z3
R State = 2
1206-2937_1B
Z4
ST2201
1217-2034 Page B7
4
MP 56
MP 61
MP 74
MP 109
MP 117
MP 120
MP 86
MP 90
MP 34
MP 36
MP 35
SEMC Troubleshooting Manual
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