4. TROUBLE SHOOTING
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4.5 Charging Trouble
TEST POINT
CIRCUIT
Figure 4.5
4. TROUBLE SHOOTING
U201 & #1
pin (TP01)
.
CN205 & #1
pin
(connected to
TP01)
Connected to CN205 #1 pin (TP01)
TP01
0.1u
C255
U201
6
5
7
4
8
3
9
2
10
1
11
PGND
VIN
BATT
ISET
PGB
GND1
CHGSB
LDO
GND2
IEOC
EN_SET
1V8_VDD
C223
1u
0.1u
C224
VBUS_USB
1u
C225
VBAT
100K
R211
R227
1.2K
3.9K
R228
CHG_EN
LDO_OUT
_EOC
Ichg=530/Riset=481.8mA
Ieoc=Rieoc/200=19.5%(93.95mA)
(25V)
(10V)
CHARGING IC
TP01
Connected to
CN05 #1 pin (TP01)