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4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
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4.5 Charging Trouble
TEST POINT
CIRCUIT
Figure 4.5
4. TROUBLE SHOOTING
CN201
U203
C223
TP1
0.1u
C257
1V8_VDD
C221
1u
0.1u
C222
VBUS_USB
1u
C223
RT9524
EUSY0410801
U203
65
74
83
92
101
11
PGND
VIN BATT
ISET PGB
GND1 CHGSB
LDO GND2
IEOC EN_SET
VBAT
100K
R217
820
R233
3.9K
R234
CHG_EN
LDO_OUT
_EOC
(25V)
(10V)
CHARGING IC
TP1