Charging Control - LG -S310 Service Manual

3.5 Charging Control

Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
EUSY0388501
1
IN
2
ISET U402
3
VSS1
4
LDO
5
IFULL
ISET : Charging current set
ISET : 530/R(K)
IEOC : End of Charging current set
IEOC : R/200 %
CN400
D1
1
2
3
D2
[Figure 3.5-1] Circuit Diagram
[Figure 3.5-2] Battery discharging voltage
VIO_2V8
VBAT
BQ25040
11
PGND
10
BAT
9
_PG
8
CHG
7
VSS2
6
EN_SET
R401
BAT_ID
1K
C400
VA400
VBAT
0.1u
C403
C404
C405
100u
39p
1u
- 1 -
3. TECHNICAL BRIEF
CHG_STS_N
CHG_EOC_N
CHG_EN_N
ZD400
LGE Internal Use Only