Only For Training And Service Purposes - LG KG280 Service Manual

PRE_CHARGE_R
NORMAL
CHARGING
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

VCHARGE
C224 R211
0.1u 0
Q201
R215
1.5K
R217
10K
UMX1NTN
VBAT
C225 R212
1u 0.2
GATEDRV
ISENSE
Figure 3-6. CIRCUIT FOR BATTERY CHARGING
- 27 -
3. TECHNICAL BRIEF
VBAT PRE
CHARGING
R214
1K
R216
7.5K
R218
10K
VCHARGE
C223
D200
4.7u
CUS02
R213
330
Q200
G S
4 5
D3 D4
3 6
D2 D5
2 7
D1 D6
1 8
TPCF8102-TE85L-F
INDLED_R
LGE Internal Use Only